CN113205441B - Method and device for monitoring environmental impact of territorial space planning - Google Patents
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Abstract
The invention relates to a method and a device for monitoring environmental influence of homeland space planning, which are used for determining an area sensitivity matrix of an environmental evaluation index according to index sensitivity after acquiring the environmental evaluation index and index sensitivity, potential influence, an index influence matrix, an area type, an area influence matrix and subjective weight of the environmental evaluation index. Then, determining quantitative influence parameters of the environmental evaluation indexes according to the potential influences and the area sensitivity matrix, and determining qualitative influence parameters of the environmental evaluation indexes according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
Description
Technical Field
The invention relates to the technical field of land space planning, in particular to a method and a device for monitoring environmental influence of national soil space planning.
Background
The territorial space planning refers to long-distance conspiracy and overall arrangement of the territorial space resources and the layout performed by a national or regional government department, aims to realize effective management and control and scientific management of the territorial space, promotes the balance of development and protection, and provides a basic basis for various development, protection and construction activities.
However, because the territorial space planning involves many factors and there are great differences among the factors, it is difficult to accurately evaluate the environmental impact of the territorial space planning particularly when the spatial range is large, and a scientific and reliable reference value cannot be provided for the territorial space planning. At present, the territorial space planning is mostly in a project planning and environment evaluation thought stage, and the key points are evaluation aiming at the influence of micro-scale environments at the city level and below and lack of macro-scale strategic and environment evaluation analysis such as provincial level and the like.
Disclosure of Invention
Based on this, it is necessary to provide a method and a device for monitoring environmental impact of territorial space planning, aiming at the defects that the territorial space planning involves many factors, the factors have great differences, and the environmental impact of the territorial space planning is difficult to evaluate when the space range is large.
A method for monitoring the environmental impact of territorial space planning comprises the following steps:
acquiring an environmental evaluation index and index sensitivity, potential influence, an index influence matrix, an area type, an area influence matrix and subjective weight of the environmental evaluation index;
determining a region sensitivity matrix of the environmental evaluation index according to the index sensitivity; the area sensitivity matrix comprises area sensitivity corresponding to the environment evaluation index;
determining quantitative influence parameters of the environmental evaluation indexes according to the potential influence and the area sensitivity matrix;
determining qualitative influence parameters of the environmental evaluation indexes according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix;
and determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters.
According to the method for monitoring the environmental impact of the territorial space planning, after the environmental evaluation index and the index sensitivity, potential impact, the index impact matrix, the area type, the area impact matrix and the subjective weight of the environmental evaluation index are obtained, the area sensitivity matrix of the environmental evaluation index is determined according to the index sensitivity. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
In one embodiment, the index sensitivity, the potential influence and the subjective weight are corrected through an artificial learning model or a neural network model.
In one embodiment, the neural network model employs a CNN neural network.
In one embodiment, the region influence matrices are determined based on different region types, wherein the region types are divided into several types, that is, several region influence matrices can be superposed, namely, the region types correspond to the region influence matrices one by one. Wherein, the division of the region types includes but is not limited to: dividing a main functional area (town, agriculture and ecology); urban and rural type division (city, countryside); whether to divide coastal areas, etc.
In one embodiment, the process of determining a region sensitivity matrix of an environmental evaluation indicator based on the sensitivity of the indicator comprises the steps of:
normalizing the index sensitivity to obtain a first normalization result;
and correspondingly filling the first normalization processing result and the environment evaluation index to obtain a regional sensitivity matrix.
In one embodiment, the first normalization processing result is greater than or equal to 0.75 and less than or equal to 1.25. The process of normalizing the sensitivity of the index is as follows:
Xnormi＝0.75+((1.25-0.75)*((Xi-Xmini)/(Xmaxi-Xmini)))
wherein Xnorm represents a first normalization processing result of the index sensitivity of the environment evaluation index i, Xi represents an original value of the index sensitivity of the environment evaluation index i, Xmini represents a minimum original value of the index sensitivity of the environment evaluation index i, and Xmaxi represents a maximum original value of the index sensitivity of the environment evaluation index i.
In one embodiment, the process of determining a quantitative impact parameter of an environmental evaluation index from a potential impact and a regional sensitivity matrix includes the steps of:
the product of the potential effect and the area sensitivity matrix is used as a quantitative effect parameter.
In one embodiment, the product of the potential effect and the area sensitivity matrix is used as a quantitative effect parameter, as follows:
TIMQAir＝PIMQAir*RSir
wherein, TIMQAirIndicates a quantitative influence parameter (quantitative influence parameter of the environmental evaluation index i in the region r), PIMQAirRepresenting potential influence (potential influence of environmental evaluation index i in region r), RSirAn area sensitivity matrix (area sensitivity of the area r to the environmental evaluation index i) is represented.
In one embodiment, the landscape fragmentation degree is obtained by applying an effective grid size mode, and two randomly selected points in the region are connected together to determine the probability of being in the same region. The size of the active mesh represents the probability that any two randomly selected points in the landscape are connected. By multiplying this probability by the total area of the report unit, the area m can be converted to an effective grid sizeeffThe following formula:
where n denotes the number of patches, a1 to An denote the size from patch 1 to n, and Atotal denotes the total area of the region under study.
In one embodiment, the habitat quality is obtained as follows: the species distribution model has more data requirement amount and the species distribution database has lower data precision, so that a Habitatquality module of an InVEST model with similar principle and relatively less data requirement is selected for evaluation by referring to the species distribution model principle. The habitat quality calculation comprises two parts of grid external stress and grid habitat suitability, and the grid external stress Dxj calculation formula is as follows:
in the formula: dxj is the habitat stress level of grid x in land cover (or habitat type) j; wr is the weight of the stress factor, which indicates the relative destructive power of a certain stress factor on all habitats; the ry is used for judging whether the grid y is the source of the threat factor r; irxy is the stress effect of the stress factor r (ry) in grid y on the habitat in grid x; beta x is the accessibility level of the grid x under the protection states of society, law and the like, and the larger the numerical value is, the more easily the grid x can reach; sjr is the sensitivity of land cover j to the stress factor r, the larger the value the more sensitive.
dxy is the linear distance between grid x and grid y, and drmax is the maximum influence distance of the stress factor r. After the suitability of the grid habitat is considered, a habitat quality calculation formula is as follows:
in the formula: qxj is the habitat quality of grid x in land cover j; hj is the habitat suitability of the land cover j to species, the value is from 0 to 1, and 1 shows that the habitat suitability is strongest; k is a half-saturation constant when
When k is equal to the value of D; z is 2.5 by default.
In one embodiment, the process of determining a qualitative influence parameter of an environmental evaluation indicator according to an area sensitivity matrix, an indicator influence matrix, an area type, and an area influence matrix includes the steps of:
determining the potential influence of the area according to the index influence matrix, the area type and the area influence matrix;
the product of the area potential influence and the area sensitivity matrix is taken as a qualitative influence parameter.
In one embodiment, a process for determining a composite environmental impact index for monitoring the environmental impact of a homeland space plan based on subjective weights, quantitative impact parameters, and qualitative impact parameters includes the steps of:
carrying out normalization processing on the quantitative influence parameters and the qualitative influence parameters to obtain a second normalization processing result;
and on the basis of the second normalization processing result, carrying out comprehensive measurement and calculation according to the subjective weight to obtain a comprehensive environmental impact index.
In one embodiment, the product of the area potential effect and the area sensitivity matrix is used as a qualitative effect parameter as follows:
TIMQLir＝PIMQLir*RSir
wherein, TIMQLirRepresenting a qualitative influence parameter (qualitative influence of the index i in the region r), RSirThe area sensitivity matrix is represented.
In one embodiment, the subjective weight may be determined by entropy weighting.
In one embodiment, the comprehensive measurement is performed according to the subjective weight on the basis of the second normalization processing result to obtain a comprehensive environmental impact index, which is as follows:
wherein, TIMrRepresenting the index of comprehensive environmental impact, TIMQAirRepresenting a quantitative influence parameter, TIMQLirRepresenting a qualitative influencing parameter, thetaiThe subjective weight is indicated.
In one embodiment, the environmental evaluation index comprises an ecological safety pattern index, an environmental quality improvement index, a disaster risk index, a climate change coping index and a human living environment index;
the ecological safety pattern indexes comprise landscape crushing degree, habitat quality, water resource supply service, soil maintenance service, proportion of ecological protection red lines to the territorial space area of China, forest land coverage rate and grass land coverage rate;
the environmental quality improvement index includes water pollution and air pollution;
disaster risk indicators include disaster risk;
the indexes for coping with climate change comprise carbon emission intensity and carbon sink (carbon fixation);
the human-living environment index includes traffic congestion.
An earth space planning environmental impact monitoring device, comprising:
the index acquisition module is used for acquiring the environmental evaluation index and the index sensitivity, the potential influence, the index influence matrix, the region type, the region influence matrix and the subjective weight of the environmental evaluation index;
the matrix determination module is used for determining an area sensitivity matrix of the environmental evaluation index according to the index sensitivity; the area sensitivity matrix comprises area sensitivity corresponding to the environment evaluation index;
the quantitative parameter module is used for determining quantitative influence parameters of the environment evaluation indexes according to the potential influence and the area sensitivity matrix;
the qualitative parameter module is used for determining the qualitative influence parameters of the environmental evaluation indexes according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix;
and the comprehensive measuring and calculating module is used for determining a comprehensive environmental influence index for monitoring the national soil space planning environmental influence according to the subjective weight, the quantitative influence parameter and the qualitative influence parameter.
According to the device for monitoring the environmental impact in the territorial space planning, after the environmental evaluation index and the index sensitivity, potential impact, the index impact matrix, the area type, the area impact matrix and the subjective weight of the environmental evaluation index are obtained, the area sensitivity matrix of the environmental evaluation index is determined according to the index sensitivity. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
A computer storage medium having stored thereon computer instructions which, when executed by a processor, implement the method for monitoring territorial spatial planning environmental impact of any of the above embodiments.
After the environmental evaluation index and the index sensitivity, the potential influence, the index influence matrix, the region type, the region influence matrix and the subjective weight of the environmental evaluation index are obtained, the region sensitivity matrix of the environmental evaluation index is determined according to the index sensitivity. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
A computer device comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to implement the method for monitoring the influence of the territorial space planning environment according to any one of the embodiments.
After the computer equipment acquires the environmental evaluation index and the index sensitivity, the potential influence, the index influence matrix, the region type, the region influence matrix and the subjective weight of the environmental evaluation index, the region sensitivity matrix of the environmental evaluation index is determined according to the index sensitivity. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
Drawings
FIG. 1 is a flow chart of a method for monitoring environmental impact of a territorial space planning according to an embodiment;
FIG. 2 is a flowchart of a method for monitoring environmental impact during a territorial space planning according to another embodiment;
FIG. 3 is a block diagram of an embodiment of a device for monitoring environmental impact during a territorial space planning;
FIG. 4 is a schematic diagram of an internal structure of a computer according to an embodiment.
Detailed Description
For better understanding of the objects, technical solutions and effects of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples. Meanwhile, the following described examples are only for explaining the present invention, and are not intended to limit the present invention.
The embodiment of the invention provides a method for monitoring the environmental impact of a territorial space planning.
Fig. 1 is a flowchart of an embodiment of a method for monitoring an influence of an earth space planning environment, and as shown in fig. 1, the method for monitoring an influence of an earth space planning environment of an embodiment includes steps S100 to S104:
s100, acquiring an environmental evaluation index and index sensitivity, potential influence, an index influence matrix, an area type, an area influence matrix and subjective weight of the environmental evaluation index;
in the territorial space planning, the environmental evaluation index is mainly influenced by policy/planning and region. The policy/plan constitutes a degree of influence, including potential influence, index influence matrix, region type, and region influence matrix, and the region constitutes a region sensitivity, including index sensitivity.
In one embodiment, the environmental evaluation index comprises an ecological safety pattern index, an environmental quality improvement index, a disaster risk index, a climate change coping index and a human living environment index;
the ecological safety pattern indexes comprise landscape crushing degree, habitat quality, water resource supply service, soil maintenance service, proportion of ecological protection red lines to the territorial space area of China, forest land coverage rate and grass land coverage rate; the environmental quality improvement index includes water pollution and air pollution; disaster risk indicators include disaster risk; the indexes for coping with climate change comprise carbon emission intensity and carbon sink; the human-living environment index includes traffic congestion. As shown in the following table 1 "provincial level national space planning environment influence evaluation index system":
TABLE 1 provincial territorial space planning environment influence evaluation index system
S101, determining a region sensitivity matrix of an environment evaluation index according to the index sensitivity; the area sensitivity matrix comprises area sensitivity corresponding to the environment evaluation index;
the sensitivity of the index depends on, among other things, socioeconomic and geographical features of the individual area, its social value and political priorities in different policy domains. The regional sensitivity is the overall sensitivity of each index in each region.
After the index sensitivity of the environmental evaluation index is determined, a region sensitivity matrix is established according to the correlation between the index sensitivity and the region.
In one embodiment, the index sensitivity, the potential influence and the subjective weight are corrected through an artificial learning model or a neural network model.
And performing training optimization on a preset data model by using the historical data of the index sensitivity, the potential influence and the subjective weight acquired in advance as a training set to obtain an optimized artificial learning model or a neural network model. And further, correcting the index sensitivity, the potential influence and the subjective weight according to the optimized artificial learning model or the neural network model. The index sensitivity, the potential influence and the subjective weight are set as digital vectors in a training set or correction processing, and the artificial learning model or the neural network model outputs a vectorized correction processing result for replacing the original index sensitivity, the potential influence and the subjective weight.
In one embodiment, the Neural network model is a CNN (conditional Neural Networks, CNN) Neural network. As a preferred embodiment, the modification process of the neural network model is adjusted by adjusting the number of pooling operations within the CNN neural network. By setting the number of times of pooling operation by even multiples, index sensitivity, potential influence and reference of subjective weight are improved. Meanwhile, calculation of a subsequent regional sensitivity matrix and an index influence matrix is facilitated through vectorization correction results of the neural network model.
In one embodiment, fig. 2 is a flowchart of a method for monitoring influence of a territorial space planning environment according to another embodiment, and as shown in fig. 2, a process of determining a region sensitivity matrix of an environmental evaluation index according to index sensitivity in step S101 includes step S200 and step S201:
s200, performing normalization processing on the index sensitivity to obtain a first normalization processing result;
s201, correspondingly filling the first normalization processing result and the environment evaluation index to obtain an area sensitivity matrix.
In one embodiment, the first normalization processing result is greater than or equal to 0.75 and less than or equal to 1.25. The process of normalizing the sensitivity of the index is as follows:
Xnormi＝0.75+((1.25-0.75)*((Xi-Xmini)/(Xmaxi-Xmini)))
wherein Xnorm represents a first normalization processing result of the index sensitivity of the environment evaluation index i, Xi represents an original value of the index sensitivity of the environment evaluation index i, Xmini represents a minimum original value of the index sensitivity of the environment evaluation index i, and Xmaxi represents a maximum original value of the index sensitivity of the environment evaluation index i.
The first normalization processing result is filled in corresponding to the environmental evaluation index, as shown in the regional sensitivity index of table 2:
TABLE 2 regional sensitivity index
As shown in table 2, one area is relatively out of date, which may be particularly sensitive to economic impact (total domestic production or employment level); another may be particularly sensitive to environmental influences, since there are very sensitive natural or mountainous areas; another area may be very sensitive to the impact of traffic congestion because of its current high traffic density and degree of traffic congestion. The regional sensitivity of each environmental evaluation index is estimated in a quantitative manner based on statistical indices from regional correlations. Generally, according to expert judgment and data availability, the degree of regional sensitivity of the environmental evaluation index characterizing the pressure is proportional to the current pressure conditions (for example, in the field of emissions, air or water quality, the higher the current emissions, the higher the sensitivity to further emissions), and the degree of regional sensitivity of the environmental evaluation index characterizing the state is inversely proportional to the current condition conditions thereof (for example, in the field of domestic total production and employment, the higher the per-capita income, the lower the sensitivity to further increases of the variable).
S102, determining quantitative influence parameters of the environment evaluation indexes according to the potential influence and the area sensitivity matrix;
and carrying out quantitative analysis on the environmental evaluation indexes according to the potential influence and the area sensitivity matrix to obtain quantitative influence parameters. In one embodiment, the quantitative influence parameters of the landscape fragmentation degree, the habitat quality, the proportion of the ecological protection red line to the territorial space area, the forest land coverage rate and the grass land coverage rate are determined according to the potential influence and the regional sensitivity matrix. Based on the above, the indexes suitable for the regional influence of the change rate/amount in the environmental evaluation indexes are selected for quantitative analysis, and quantitative influence parameters are obtained.
In one embodiment, the landscape fragmentation in step S100 is obtained by applying an effective grid size method, and connecting two randomly selected points in the region together to determine the probability of being in the same region. The size of the active mesh represents the probability that any two randomly selected points in the landscape are connected. By multiplying this probability by the total area of the report unit, the area m can be converted to an effective grid sizeeffThe following formula:
where n denotes the number of patches, a1 to An denote the size from patch 1 to n, and Atotal denotes the total area of the region under study.
The effective grid density gives the effective grid number per square kilometer, i.e. the density of the grid, the effective grid number per 1000 square kilometers, SeffThe following formula:
wherein as fragmentation increases, the effective grid density value increases.
In one embodiment, the habitat quality in step S100 is obtained as follows: the species distribution model has more data requirement amount and the species distribution database has lower data precision, so that a Habitatquality module of an InVEST model with similar principle and relatively less data requirement is selected for evaluation by referring to the species distribution model principle. The habitat quality calculation comprises two parts of grid external stress and grid habitat suitability, and the grid external stress Dxj calculation formula is as follows:
in the formula: dxj is the habitat stress level of grid x in land cover (or habitat type) j; wr is the weight of the stress factor, which indicates the relative destructive power of a certain stress factor on all habitats; the ry is used for judging whether the grid y is the source of the threat factor r; irxy is the stress effect of the stress factor r (ry) in grid y on the habitat in grid x; beta x is the accessibility level of the grid x under the protection states of society, law and the like, and the larger the numerical value is, the more easily the grid x can reach; sjr is the sensitivity of land cover j to the stress factor r, the larger the value the more sensitive.
dxy is the linear distance between grid x and grid y, and drmax is the maximum influence distance of the stress factor r. After the suitability of the grid habitat is considered, a habitat quality calculation formula is as follows:
in the formula: qxj is the habitat quality of grid x in land cover j; hj is the habitat suitability of the land cover j to species, the value is from 0 to 1, and 1 shows that the habitat suitability is strongest; k is a half-saturation constant when
When k is equal to the value of D; z is 2.5 by default.
The stress factors are selected from cities, towns, farmlands and trunk roads (railways, expressways, national roads and provincial roads), and the maximum influence distance and the weight of each stress factor are set by referring to related documents as follows:
| serial number | Stress factor | Maximum influence distance (km) | Weight of |
| 1 | Town and town | 10 | 1 |
| 2 | Farmland | 5 | 0.7 |
| 3 | Trunk road | 5 | 1 |
The ecological sensitivity settings for each ecosystem are as follows:
| serial number | Ecosystem classification | Habitat | Town and town | Farmland | Main road network |
| 1 | Evergreen broad-leaved forest | 1 | 0.7 | 0.5 | 0.5 |
| 2 | Deciduous broad-leaved forest | 1 | 0.7 | 0.5 | 0.5 |
| 3 | Evergreen coniferous forest | 1 | 0.7 | 0.5 | 0.5 |
| 4 | Deciduous coniferous forest | 1 | 0.7 | 0.5 | 0.5 |
| 5 | Needle-broad mixed forest | 1 | 0.7 | 0.5 | 0.5 |
| 6 | Sparse forest | 1 | 0.7 | 0.5 | 0.5 |
| 7 | Sparse shrub forest | 1 | 0.6 | 0.4 | 0.4 |
| 8 | Evergreen broad-leaved shrub forest | 1 | 0.6 | 0.4 | 0.4 |
| 9 | Deciduous broad-leaf shrub forest | 1 | 0.6 | 0.4 | 0.4 |
| 10 | Evergreen needle-leaf shrub | 1 | 0.6 | 0.4 | 0.4 |
| 11 | Arbor garden | 0.4 | 0.3 | 0.35 | 0.2 |
| 12 | Bush garden | 0.3 | 0.3 | 0.35 | 0.2 |
| 13 | Arbor green land | 0.4 | 0.3 | 0.35 | 0.2 |
| 14 | Green land with shrub | 0.3 | 0.3 | 0.35 | 0.2 |
| 15 | Grass mat | 0.3 | 0.3 | 0.35 | 0.2 |
| 16 | Herbal greenbelt | 0.3 | 0.3 | 0.35 | 0.2 |
| 17 | Forest marsh | 0.7 | 0.7 | 0.75 | 0.6 |
| 18 | Swamp for bush | 0.7 | 0.7 | 0.75 | 0.6 |
| 19 | Herb marsh | 0.7 | 0.7 | 0.75 | 0.6 |
| 20 | Lake | 1 | 0.9 | 0.7 | 0.7 |
| 21 | Reservoir/pool | 1 | 0.9 | 0.7 | 0.7 |
| 22 | River flow | 1 | 0.9 | 0.7 | 0.7 |
| 23 | Paddy field | 0 | 0.5 | 1 | 0.5 |
| 24 | Dry land | 0 | 0.5 | 1 | 0.5 |
| 25 | Residential area | 0 | 1 | 0.5 | 0.5 |
| 26 | Industrial land | 0 | 1 | 0.5 | 0.5 |
| 27 | Land for transportation | 0 | 1 | 0.5 | 0.5 |
| 28 | Mining field | 0 | 1 | 0.5 | 0.5 |
| 29 | Bare rock | 0 | 0 | 0 | 0 |
| 30 | Bare soil | 0 | 0 | 0 | 0 |
The data related to the evaluation of the ecological environment quality importance mainly come from data provided by government departments, network shared data, literature research, earth surface coverage data provided by satellite centers of the department of ecological environment, and the like, and are shown in the following table:
in one embodiment, as shown in fig. 2, the process of determining the quantitative influence parameter of the environmental evaluation index according to the potential influence and the area sensitivity matrix in step S102 includes step S202:
s202, taking the product of the potential influence and the area sensitivity matrix as a quantitative influence parameter.
In step S202, the product of the potential influence and the area sensitivity matrix is used as a quantitative influence parameter, which is expressed by the following formula:
TIMQAir＝PIMQAir*RSir
wherein, TIMQAirIndicates a quantitative influence parameter (quantitative influence parameter of the environmental evaluation index i in the region r), PIMQAirRepresenting potential influence (potential influence of environmental evaluation index i in region r), RSirAn area sensitivity matrix (area sensitivity of the area r to the environmental evaluation index i) is represented.
S103, determining qualitative influence parameters of the environmental evaluation indexes according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix;
the determination of the index influence matrix and the area influence matrix is subjectively influenced, and can be subjectively evaluated and determined in advance according to relevant experts, as shown in table 3 region type division: definitions and standards ] show:
table 3 area type division: definitions and standards
The index influence matrix defines the influence degree (no region division) of main driving factors on each index under different planning situations, and the influence strength is classified into 5 grades: zero, low, medium, strong, very strong; the regional influence matrix defines the degree of influence of main driving factors under different planning scenarios on each regional type (influence indexes are not considered), and the influence strength is classified into 5: zero, low, medium, strong, very strong; the intensities were then graded into values (-4 to 4) for further calculations. The types of regions studied included a number of: such as main functional regions (divided into optimized development areas/key development areas/restricted development areas/forbidden development areas according to development modes, and divided into urbanized areas, agricultural product main production areas and key ecological functional areas according to development contents), urban and rural areas (urban/rural), and geographic partitions (east/north/south/center).
Wherein the impact strength ranking comprises:
is very strong: has very strong advantageous effect (very strong growth) on regional environment evaluation indexes
Strong: has strong advantageous effect (strong growth) on regional environment evaluation indexes
Medium: has medium advantageous effect (medium growth) on regional environment evaluation indexes
Low: has low dominant effect (weak growth) on regional environment evaluation indexes
Zero: has no influence on
Low: has lower adverse effect (weak reduction) on regional environment evaluation indexes
Medium: has moderate adverse effect on regional environmental evaluation index (moderate reduction)
Strong: has strong adverse effect on regional environment evaluation index (strong reduction)
Is very strong: has a very strong adverse effect (very strong reduction) on regional environmental assessment indicators.
In one embodiment, the region influence matrices are determined based on different region types, wherein the region types are divided into several types, that is, several region influence matrices can be superposed, namely, the region types correspond to the region influence matrices one by one. Wherein, the division of the region types includes but is not limited to: dividing a main functional area (town, agriculture and ecology); urban and rural type division (city, countryside); whether to divide coastal areas, etc.
In one embodiment, as shown in fig. 2, the process of determining the qualitative influence parameter of the environmental evaluation index according to the area sensitivity matrix, the index influence matrix and the area influence matrix in step S103 includes steps S203 and S204:
s203, determining the potential influence of the area according to the index influence matrix and the area influence matrix;
in step S203, the process of determining the potential influence of the area according to the index influence matrix and the area influence matrix is as follows:
wherein, PIMQLirIndicating the potential impact of the region (potential impact of index i in region r), FieldimapmactrixiAn index influence matrix (an index influence matrix of each driving factor on the environmental evaluation index i) is represented, and the regionalimapspectmatrixjRepresenting the region impact matrix (region impact matrix for each drive factor in each region type j), RjA support matrix is indicated (indicating whether each region belongs to type j, each region is assigned a "0", indicating that a region is not a region of that type, or a "1", classifying a region as part of a region of that particular type).
And S204, taking the product of the potential influence of the region and the region sensitivity matrix as a qualitative influence parameter.
The process of step S204 is as follows:
TIMQLir＝PIMQLir*RSir
wherein, TIMQLirRepresenting a qualitative influence parameter (qualitative influence of the index i in the region r), RSirThe area sensitivity matrix is represented.
And S104, determining a comprehensive environmental influence index for monitoring the national soil space planning environmental influence according to the subjective weight, the quantitative influence parameter and the qualitative influence parameter.
And comprehensively measuring and calculating according to the subjective weight, the quantitative influence parameter and the qualitative influence parameter to obtain a comprehensive environmental influence index in a weight form, wherein the comprehensive environmental influence index is used for representing the degree of the national space planning environmental influence so as to complete the monitoring of the national space planning environmental influence.
In step S100, subjective weights are obtained as follows in table 4 "environmental impact evaluation index and weight":
TABLE 4 environmental impact evaluation index and weight
In one embodiment, the subjective weight may be determined by entropy weighting.
The method comprises the steps of carrying out data standardization on environmental evaluation indexes through an entropy weight method, determining the information entropy of each environmental evaluation index, and finally determining subjective weight.
In one embodiment, as shown in fig. 2, the process of determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameter and the qualitative impact parameter in step S104 includes steps S205 and S206:
s205, carrying out normalization processing on the quantitative influence parameters and the qualitative influence parameters to obtain a second normalization processing result;
in one embodiment, the quantitative impact parameter and the qualitative impact parameter are normalized such that the second normalization result is equal to or greater than-100 and equal to or less than 100.
And S206, comprehensively measuring and calculating according to the subjective weight on the basis of the second normalization processing result to obtain a comprehensive environment influence index.
In one embodiment, in step S206, on the basis of the second normalization result, a comprehensive calculation is performed according to the subjective weight to obtain a comprehensive environmental impact index, which is as follows:
wherein, TIMrRepresenting the index of comprehensive environmental impact, TIMQAirRepresenting a quantitative influence parameter, TIMQLirRepresenting a qualitative influencing parameter, thetaiThe subjective weight is indicated.
The method for monitoring environmental impact in territorial space planning according to any of the embodiments determines the area sensitivity matrix of the environmental evaluation index according to the index sensitivity after acquiring the environmental evaluation index and the index sensitivity, potential impact, the index impact matrix, the area type, the area impact matrix and the subjective weight of the environmental evaluation index. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
The embodiment of the invention also provides a device for monitoring the environmental impact of the territorial space planning.
Fig. 3 is a block diagram of an embodiment of a device for monitoring an influence of a territorial space planning environment, and as shown in fig. 3, the device for monitoring an influence of a territorial space planning environment of an embodiment includes a module 100, a module 101, a module 102, a module 103, and a module 104:
the index acquisition module 100 is configured to acquire an environmental evaluation index and index sensitivity, potential influence, an index influence matrix, a region type, a region influence matrix, and a subjective weight of the environmental evaluation index;
the matrix determination module 101 is configured to determine an area sensitivity matrix of the environmental evaluation index according to the index sensitivity; the area sensitivity matrix comprises area sensitivity corresponding to the environment evaluation index;
a quantitative parameter module 102, configured to determine a quantitative influence parameter of the environmental evaluation index according to the potential influence and the area sensitivity matrix;
the qualitative parameter module 103 is used for determining a qualitative influence parameter of the environmental evaluation index according to the area sensitivity matrix, the index influence matrix, the area type and the area influence matrix;
and the comprehensive measuring and calculating module 104 is used for determining a comprehensive environmental influence index for monitoring the national soil space planning environmental influence according to the subjective weight, the quantitative influence parameter and the qualitative influence parameter.
According to the device for monitoring the environmental impact in the territorial space planning, after the environmental evaluation index and the index sensitivity, potential impact, the index impact matrix, the area type, the area impact matrix and the subjective weight of the environmental evaluation index are obtained, the area sensitivity matrix of the environmental evaluation index is determined according to the index sensitivity. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
The embodiment of the invention also provides a computer storage medium, wherein computer instructions are stored on the computer storage medium, and when the instructions are executed by a processor, the method for monitoring the influence of the territorial space planning environment of any embodiment is realized.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, the computer program can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a terminal, or a network device) to execute all or part of the methods of the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a RAM, a ROM, a magnetic or optical disk, or various other media that can store program code.
Corresponding to the computer storage medium, in an embodiment, there is also provided a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the method for monitoring influence of an territorial space planning environment according to any one of the embodiments.
The computer device may be a terminal, and its internal structure diagram may be as shown in fig. 4. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method for monitoring environmental impact of a territorial space planning. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
After the computer equipment acquires the environmental evaluation index and the index sensitivity, the potential influence, the index influence matrix, the region type, the region influence matrix and the subjective weight of the environmental evaluation index, the region sensitivity matrix of the environmental evaluation index is determined according to the index sensitivity. Further, quantitative influence parameters of the environmental evaluation indexes are determined according to the potential influence and the area sensitivity matrix, and qualitative influence parameters of the environmental evaluation indexes are determined according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix. And finally, determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameters and the qualitative impact parameters. Based on the method, adverse effects of sensitivity differences of different index changes caused by characteristics such as social economy, geographic conditions and the like in different regions of the territorial space are reduced, and the environmental effects of territorial space planning are accurately monitored through comprehensive environmental impact indexes.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A method for monitoring the environmental impact of a territorial space planning is characterized by comprising the following steps:
acquiring an environmental evaluation index and index sensitivity, potential influence, an index influence matrix, an area type, an area influence matrix and subjective weight of the environmental evaluation index;
determining a region sensitivity matrix of the environmental evaluation index according to the index sensitivity; the area sensitivity matrix comprises area sensitivity corresponding to the environment evaluation index;
determining quantitative influence parameters of the environmental evaluation indexes according to the potential influences and the area sensitivity matrix;
the process of determining a quantitative impact parameter of the environmental evaluation index from the potential impact and the regional sensitivity matrix includes the steps of:
taking the product of the potential impact and the area sensitivity matrix as the quantitative impact parameter;
determining qualitative influence parameters of the environmental evaluation indexes according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix;
the process of determining the qualitative influence parameter of the environmental evaluation index according to the area sensitivity matrix, the index influence matrix, the area type and the area influence matrix includes the steps of:
determining the potential influence of the area according to the index influence matrix, the area type and the area influence matrix;
taking the product of the area potential influence and the area sensitivity matrix as the qualitative influence parameter;
the process of determining the potential influence of the region according to the index influence matrix and the region influence matrix is as follows:
wherein, PIMQLirIndicating the potential effect of the region, Fieldampact matrixiRepresenting a local impact matrixjRepresenting the area influence matrix, RjRepresenting a support matrix;
determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameter and the qualitative impact parameter; the subjective weight is used for comprehensively measuring and calculating the quantitative influence parameters and the qualitative influence parameters;
and comprehensively measuring and calculating according to the subjective weight to obtain the comprehensive environmental influence index, which is as follows:
wherein, TIMrRepresenting said overall environmental impact index, TIMQAirRepresenting said quantitative influence parameter, TIMQLirRepresenting said qualitative influencing parameter, θiThe subjective weight is represented.
2. The method for monitoring the environmental impact of the territorial space planning according to claim 1, wherein the process of determining the area sensitivity matrix of the environmental evaluation index according to the index sensitivity comprises the following steps:
normalizing the index sensitivity to obtain a first normalization result;
and correspondingly filling the first normalization processing result and the environment evaluation index to obtain the area sensitivity matrix.
3. The method for monitoring the environmental impact of the territorial space planning according to claim 2, wherein the step of determining a comprehensive environmental impact index for monitoring the environmental impact of the territorial space planning according to the subjective weight, the quantitative impact parameter and the qualitative impact parameter comprises the steps of:
carrying out normalization processing on the quantitative influence parameters and the qualitative influence parameters to obtain a second normalization processing result;
and on the basis of the second normalization processing result, comprehensively measuring and calculating according to the subjective weight to obtain the comprehensive environmental impact index.
4. A method for monitoring the environmental impact of a territorial space planning according to any one of claims 1 to 3, wherein the environmental evaluation indexes comprise an ecological safety pattern index, an environmental quality improvement index, a disaster risk index, a coping climate change index and a human living environment index;
the ecological safety pattern indexes comprise landscape crushing degree, habitat quality, water resource supply service, soil maintenance service, proportion of ecological protection red lines to the territorial space area of the state soil, forest land coverage rate and grass land coverage rate;
the environmental quality improvement index includes water pollution and air pollution;
the disaster risk indexes comprise storm surge disaster risks, geological disaster risks and earthquake disaster risks;
the indexes for coping with climate change comprise carbon emission intensity and carbon sink;
the human living environment index comprises the traffic congestion degree.
5. The utility model provides a homeland space planning environmental impact monitoring devices which characterized in that includes:
the index acquisition module is used for acquiring an environmental evaluation index and index sensitivity, potential influence, an index influence matrix, an area type, an area influence matrix and subjective weight of the environmental evaluation index;
the matrix determination module is used for determining an area sensitivity matrix of the environment evaluation index according to the index sensitivity; the area sensitivity matrix comprises area sensitivity corresponding to the environment evaluation index;
a quantitative parameter module for determining a quantitative influence parameter of the environmental evaluation index according to the potential influence and the area sensitivity matrix;
the process of determining a quantitative impact parameter of the environmental evaluation index from the potential impact and the regional sensitivity matrix includes the steps of:
taking the product of the potential impact and the area sensitivity matrix as the quantitative impact parameter;
the qualitative parameter module is used for determining the qualitative influence parameters of the environmental evaluation indexes according to the area sensitivity matrix, the index influence matrix, the area types and the area influence matrix;
the process of determining the qualitative influence parameter of the environmental evaluation index according to the area sensitivity matrix, the index influence matrix, the area type and the area influence matrix includes the steps of:
determining the potential influence of the area according to the index influence matrix, the area type and the area influence matrix;
taking the product of the area potential influence and the area sensitivity matrix as the qualitative influence parameter;
the process of determining the potential influence of the region according to the index influence matrix and the region influence matrix is as follows:
wherein, PIMQLirIndicating the potential impact of the area, Field impact matrixiRepresenting a local impact matrixjRepresenting the area influence matrix, RjRepresenting a support matrix;
the comprehensive measuring and calculating module is used for determining a comprehensive environmental influence index for monitoring the national soil space planning environmental influence according to the subjective weight, the quantitative influence parameter and the qualitative influence parameter; the subjective weight is used for comprehensively measuring and calculating the quantitative influence parameters and the qualitative influence parameters;
and comprehensively measuring and calculating according to the subjective weight to obtain the comprehensive environmental influence index, which is as follows:
wherein, TIMrRepresenting said overall environmental impact index, TIMQAirRepresenting said quantitative influence parameter, TIMQLirRepresenting said qualitative influencing parameter, θiThe subjective weight is represented.
6. A computer storage medium having computer instructions stored thereon, wherein the computer instructions, when executed by a processor, implement the method for monitoring influence of an earthen space planning environment as claimed in any one of claims 1 to 4.
7. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements a method of monitoring the environmental impact of a territorial space planning as claimed in any one of claims 1 to 4.
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