CN115796688A - Urban industrial inefficient land assessment method - Google Patents
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Abstract
The invention discloses a method for evaluating urban industrial inefficient land, which comprises the following steps: determining an industrial land evaluation parameter library; determining an industrial inefficient land evaluation index system; determining the evaluation index weight of the industrial inefficient land; calculating the total value of the intensive utilization degree of the industrial land; calculating the total value of the industrial land compliance, ecological safety and industrial development potential; calculating a comprehensive value of the industrial land; and extracting industrial land data in the section in the industrial land evaluation parameter library to establish an industrial inefficient land database. By comprehensively considering factors such as economic benefit, construction condition, planning use and the like of the land parcel, the scientificity of industrial low-efficiency land selection is enhanced, and an industrial low-efficiency land database is formed to objectively show the condition of industrial low-efficiency land for a decision department to make a reasonable transformation and re-development plan.
Description
Technical Field
The invention belongs to the technical field of urban data analysis, and particularly relates to an urban industrial inefficient land evaluation method.
Background
The industrial inefficient land is an industrial stock construction land which is scattered in layout, extensive in utilization and unreasonable in use in the range of the urban construction land determined by the land utilization overall plan.
Although the annual inefficient land project library is updated, in the past, the projects are all reported from bottom to top and are not evaluated by passenger observation, part of the land is not even inefficient, and some truly inefficient lands are not updated by modification at a later time.
Disclosure of Invention
The invention aims to solve the technical problem of providing an urban industrial inefficient land assessment method aiming at the defects of the prior art, comprehensively considering factors such as economic benefit, construction condition and planning use of land parcels, enhancing the scientificity of industrial inefficient land selection, and forming an industrial inefficient land project library for objectively displaying the condition of industrial inefficient land for a decision-making department to make a reasonable transformation and re-development plan.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a method for evaluating urban industrial inefficient land comprises the following steps:
step 1: the attribute data and the graphic data are correlated through an ArcGIS platform, and an industrial land evaluation parameter library is determined;
step 2: determining an industrial inefficient land evaluation index system from the aspects of intensive utilization degree of an industrial land, land use compliance of the industrial land, ecological safety and industrial development potential;
and step 3: determining the evaluation index weight of the industrial inefficient land by adopting a Telfiy method;
and 4, step 4: calculating the total value of the intensive utilization degree of the industrial land based on the industrial land evaluation parameter library;
and 5: calculating the total value of the industrial land compliance, ecological safety and industrial development potential;
step 6: calculating a comprehensive value of the industrial land based on the calculation results of the step 4 and the step 5;
and 7: and based on the comprehensive value of the industrial land, extracting the industrial land data in the section in the industrial land assessment parameter library through the ArcGIS platform to establish an industrial inefficient land database.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the specific process of the step 1 comprises:
depending on a file issued by a superior system, taking a land survey result parameter library as an industrial land assessment base period parameter library to extract a base point, reading the land survey result parameter library through an ArcGIS platform, and extracting DLTB as a pattern spot of the industrial land as basic pattern data of the industrial land assessment parameter library;
acquiring an industrial land database, an urban land and soil space planning database, an industrial planning and industrial land policy and an opinion of a street town of a belonging platform in a target area by depending on a file issued by a superior system, and extracting data of mu average income, mu average tax income, building volume rate, building density, land type of land and soil space planning and environmental pollution degree attribute in the database, the industrial planning and industrial land policy and the opinion of the street town of the belonging platform;
and (4) associating the attribute data with the graphic data through an ArcGIS platform to establish an industrial land assessment parameter library.
The specific process of the step 2 is as follows:
obtaining the following data from a database, industrial planning and industrial land policy and the street and town opinion of the affiliated platform:
4 indexes which embody the intensive utilization degree target of each industrial land comprise an mu-average income and mu-average tax index which embody land benefit sub-targets and a building volume rate and a building density index which embody land strength sub-targets;
3 indexes for reflecting the compliance target of each industrial land, including urban homeland space planning compliance for reflecting related planning compliance sub-targets, compliance indexes of industrial planning and industrial land policies, and whether legal land procedure indexes are obtained for reflecting land procedure compliance sub-targets;
1 index for representing ecological safety target of each industrial land, including an index for representing environmental pollution degree of environmental influence sub-targets;
1 index for reflecting development potential targets of each industrial land comprises a development intention index for reflecting whether development intention sub-targets of a street town of a platform to which an enterprise belongs are available or not, and the development intention sub-targets serve as evaluation indexes for determining the industrial inefficient land.
The specific process of the step 3 is as follows:
determining evaluation index weight according to the influence degree of targets, sub-targets and indexes set in the target area on the industrial land evaluation;
the weighted values of the evaluation target, the sub-targets and the index are between 0 and 1, and the sum of the weighted values of all targets, the sum of the weighted values of the sub-targets under the same evaluation target and the sum of the weighted values of all indexes under the same sub-target are all 1.
The step 3 of determining the index weight by using the Telfiy method, namely, performing multi-round expert scoring on the weights of the evaluation target, the sub-targets and the index, comprises the following steps:
the experts familiar with the urban economic and social development and the land utilization condition participate in the scoring, and the total number of the experts is more than 10;
scoring is performed independently without mutual negotiation according to the evaluation work background material and the related description;
from the second round, scoring is performed with reference to the scoring results of the previous round.
The specific process of the step 4 is as follows:
according to the mu average income, the mu average tax, the building volume rate and the building density obtained in the step 1, carrying out statistical analysis on natural distribution conditions to obtain median, average value and interval, and setting the value interval and the value of each index under the intensive utilization degree target;
obtaining the total intensive utilization degree score of the industrial land through mu average income, mu average tax, building volume rate and building density index weighting:
wherein alpha is i Evaluating indexes for intensive utilization degree;
P ij score a degree of intensive utilization;
n is the total number of intensive utilization degree evaluation indexes.
And 5, obtaining the total value of land utilization compliance, ecological safety and industrial development potential of the industrial land by the national space planning compliance, the industrial planning and industrial land policy compliance, the environmental pollution degree and the development intention index weighting:
wherein E is the total score of the industrial land compliance, ecological safety and industrial development potential;
β i the evaluation indexes of land compliance, ecological safety and industrial development potential are provided;
Q ij the land compliance, ecological safety and industry development potential are scored;
and m is the total number of evaluation indexes of land compliance, ecological safety and industrial development potential.
And 6, adding the total value I of the intensive utilization degree of the industrial land to the total value E of the land compliance, ecological safety and industrial development potential of the industrial land to calculate the comprehensive value of the industrial land:
wherein alpha is i Evaluating indexes for intensive utilization degree;
P ij a score for the aggregate utilization degree;
n is the total number of intensive utilization degree evaluation indexes;
β i the evaluation indexes of land compliance, ecological safety and industrial development potential are provided;
Q ij the land compliance, ecological safety and industry development potential are scored;
and m is the total number of indexes for evaluating the land use compliance, the ecological safety and the industrial development potential.
The specific process of the step 7 is as follows:
obtaining a median, an average value and a section according to the natural distribution condition of the comprehensive value of the industrial land;
selecting a proper interval as a judgment standard according to the implementation strength of the industrial inefficient land redevelopment of the target area, and determining the industrial inefficient land;
and extracting the industrial land data in the interval section in the industrial land evaluation parameter library as an inefficient industrial land database through the ArcGIS platform.
The invention has the following beneficial effects:
1. the invention breaks through the situation that the traditional industrial low-efficiency land is not evaluated and reported, and provides the calculation method for quantitatively evaluating the industrial low-efficiency land from four aspects of intensive utilization degree, land use compliance, ecological safety and industrial development potential, thereby avoiding larger errors caused by adopting qualitative analysis and experience reference when selecting the low-efficiency land and being beneficial to improving the objectivity and scientificity of government departments for the management of the low-efficiency land.
2. The calculation formula provided by the invention has clear parameters, is simple and effective, provides a visual and clear calculation tool for establishing an industrial low-efficiency land database, and can also be used as a scientific and quantitative basis for government departments and planning and researching units.
3. The evaluation system provided by the invention has strong applicability. The selected evaluation factors are easy to obtain, and the database can be conveniently established by government departments and planning and researching units of different levels in different regions.
4. According to the invention, the GIS is associated with the database contents of all departments to form the industrial land comprehensive database, and a comprehensive evaluation system of industrial low-efficiency land is determined, so that the land screened out finally is objective and low-efficiency and meets the planning and construction conditions.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for evaluating urban industrial inefficient land comprises the following steps:
step 1: the attribute data and the graphic data are correlated through an ArcGIS platform, and an industrial land assessment parameter library is determined;
step 2: determining an industrial inefficient land evaluation index system from the aspects of intensive utilization degree of an industrial land, land use compliance of the industrial land, ecological safety and industrial development potential;
and step 3: determining the evaluation index weight of the industrial inefficient land by adopting a Teerfie method;
and 4, step 4: calculating the total value of the intensive utilization degree of the industrial land based on the industrial land evaluation parameter library;
and 5: calculating the total value of the industrial land compliance, the ecological safety and the industrial development potential;
step 6: calculating a comprehensive score of the industrial land based on the calculation results of the step 4 and the step 5;
and 7: and based on the comprehensive value of the industrial land, extracting the industrial land data in the section in the industrial land assessment parameter library through the ArcGIS platform to establish an industrial inefficient land database.
In the embodiment, the specific process of step 1 is as follows:
depending on a file issued by a superior system, taking the third land survey result parameter base as an industrial land assessment base parameter base extraction base point, reading the third land survey result parameter base through an ArcGIS platform, extracting DLTB as a pattern spot of the industrial land, and taking the pattern spot as basic pattern data of the industrial land assessment parameter base;
acquiring an industrial land database, a city land and soil space planning database, an industry planning and industrial land policy and an affiliated platform street town suggestion of a credit department in a target area by depending on a file issued by a superior system, and extracting attribute data such as mu average income, mu average tax income, building volume rate, building density, land type of land and soil space planning, environmental pollution degree and the like in the database, the industry planning and industrial land policy and the affiliated platform street town suggestion;
and (4) through an ArcGIS platform, associating the attribute data with the graphic data to establish an industrial land evaluation parameter library.
In the embodiment, the specific process of step 2 is as follows:
from the database, industrial planning and industrial land policy, and the street and town opinions of the affiliated platform, the following can be obtained:
4 indexes which embody the intensive utilization degree target of each industrial land comprise an mu-average income and mu-average tax index which embody land benefit sub-targets and a building volume rate and a building density index which embody land strength sub-targets;
3 indexes for reflecting the compliance target of each industrial land, including urban homeland space planning compliance for reflecting related planning compliance sub-targets, compliance indexes of industrial planning and industrial land policies, and whether legal land procedure indexes are obtained for reflecting land procedure compliance sub-targets;
1 index for representing ecological safety target of each industrial land, including an index for representing environmental pollution degree of environmental influence sub-targets;
1 index for reflecting development potential targets of each industrial land comprises a development intention index for reflecting whether development intention sub-targets of a street town of a platform to which an enterprise belongs are available or not, and the development intention sub-targets serve as evaluation indexes for determining the industrial inefficient land.
In the embodiment, the specific process of step 3 is as follows:
determining evaluation index weight according to the influence degree of the targets, the sub-targets and the indexes set in the target area in the step 1 on the industrial land evaluation;
the weighted values of the evaluation target, the sub-targets and the indicators are between 0 and 1, and the sum of the weighted values of all targets, the sum of the weighted values of the sub-targets under the same evaluation target and the sum of the weighted values of all indicators under the same sub-target are all 1.
In the embodiment, the index weight is determined by the telphi method in the step 3, that is, the weights of the evaluation target, the sub-targets and the index are subjected to multi-round expert scoring, and the method comprises the following steps:
the experts familiar with the urban economic and social development and the land utilization condition participate in the scoring, and the total number of the experts is more than 10;
scoring is performed independently without mutual negotiation according to the evaluation work background material and the related description;
from the second round, scoring must be performed with reference to the scoring results of the previous round;
scoring was performed for 2 rounds.
In the embodiment, the specific process of step 4 is as follows:
according to the four values of the mu average income, the mu average tax income, the building volume ratio and the building density obtained in the step 1, the natural distribution condition is statistically analyzed to obtain a median, an average value and a section, and the value interval and the value of each index under the intensive utilization degree target are set; the value intervals of various scores are detailed in table 1:
TABLE 1
Obtaining the total value of intensive utilization degree of the industrial land by weighting the indexes of mu average income, mu average tax, building volume rate and building density:
wherein alpha is i Evaluating indexes for intensive utilization degree;
P ij in order to gather the score of the utilization degree, the score of five intervals is divided into one interval of 20 minutes from 0 to 100 minutes, and the average income is obtained from muTax income per mu and average building volume rate and building density, and the value of the corresponding interval is determined;
n is the total number of intensive utilization degree evaluation indexes.
In the embodiment, in the step 5, the total value of the land utilization compliance, the ecological safety and the industry development potential of the industrial land is obtained by the national space planning compliance, the industrial planning and industrial land policy compliance, the land utilization procedure legitimacy, the environmental pollution degree and whether the development intention indexes are weighted:
wherein E is the total value of the industrial land compliance, ecological safety and industrial development potential;
β i the evaluation indexes of land compliance, ecological safety and industrial development potential are provided;
Q ij potential values for land compliance, ecological safety and industry development; according to the principle that the assignment is completely met by 100 points, the assignment is partially met by 50 points and the assignment is not met by 0 point, the five indexes of whether the national space planning is met, whether the industrial planning is met or not, whether the industrial development policy is obtained, whether the industrial planning is legal or not, whether the environment is polluted or not and whether the development intention is given or not are assigned. Values are taken according to the principle that the values completely accord with the assignment of 100 points, the values partially accord with the assignment of 50 points, and the values do not accord with the assignment of 0 points, which is detailed in a table 2:
TABLE 2
And m is the total number of evaluation indexes of land compliance, ecological safety and industrial development potential.
In the embodiment, in the step 6, the total value I of the intensive utilization degree of the industrial land is added to the total value E of the land compliance, the ecological safety and the industrial development potential of the industrial land, so as to calculate the comprehensive value of the industrial land:
in the embodiment, the specific process of step 7 is as follows:
obtaining a median, an average value and a section according to the natural distribution condition of the comprehensive value of the industrial land;
selecting a proper time section as a judgment standard according to the implementation strength of the redevelopment of the industrial inefficient land in the target area, and determining the industrial inefficient land;
and extracting industrial land data in the section in the industrial land assessment parameter library as an inefficient industrial land database through the ArcGIS platform.
The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples, and all technical solutions that fall under the spirit of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (9)
1. A method for evaluating urban industrial inefficient land, comprising the following steps:
step 1: the attribute data and the graphic data are correlated through an ArcGIS platform, and an industrial land assessment parameter library is determined;
step 2: determining an industrial inefficient land evaluation index system from the aspects of intensive utilization degree of an industrial land, land use compliance of the industrial land, ecological safety and industrial development potential;
and step 3: determining the evaluation index weight of the industrial inefficient land by adopting a Teerfie method;
and 4, step 4: calculating the total value of the intensive utilization degree of the industrial land based on the industrial land evaluation parameter library;
and 5: calculating the total value of the industrial land compliance, ecological safety and industrial development potential;
step 6: calculating a comprehensive value of the industrial land based on the calculation results of the step 4 and the step 5;
and 7: and based on the comprehensive value of the industrial land, extracting the industrial land data in the section in the industrial land assessment parameter library through the ArcGIS platform to establish an industrial inefficient land database.
2. The urban industrial land inefficient utilization assessment method according to claim 1, wherein the specific process of the step 1 is as follows:
depending on a file issued by a superior system, taking a land survey result parameter library as an industrial land assessment base period parameter library to extract a base point, reading the land survey result parameter library through an ArcGIS platform, and extracting DLTB as a pattern spot of the industrial land as basic pattern data of the industrial land assessment parameter library;
acquiring an industrial land database, an urban land and soil space planning database, an industrial planning and industrial land policy and an opinion of a street town of a belonging platform in a target area by depending on a file issued by a superior system, and extracting data of mu average income, mu average tax income, building volume rate, building density, land type of land and soil space planning and environmental pollution degree attribute in the database, the industrial planning and industrial land policy and the opinion of the street town of the belonging platform;
and (4) associating the attribute data with the graphic data through an ArcGIS platform to establish an industrial land assessment parameter library.
3. The urban industrial land inefficient utilization assessment method according to claim 2, wherein the specific process of the step 2 is as follows:
obtaining the following data from a database, industrial planning and industrial land policy and the street and town opinion of the affiliated platform:
4 indexes which embody the intensive utilization degree target of each industrial land, including an acre-average income and acre-average tax income index which embodies a land benefit sub-objective and a building volume rate and a building density index which embody a land strength sub-objective;
3 indexes for reflecting the compliance target of each industrial land, including urban homeland space planning compliance for reflecting related planning compliance sub-targets, compliance indexes of industrial planning and industrial land policies, and whether legal land procedure indexes are obtained for reflecting land procedure compliance sub-targets;
1 index for representing ecological safety target of each industrial land, including an index for representing environmental pollution degree of environmental influence sub-targets;
1 index for reflecting development potential targets of each industrial land comprises a development intention index for reflecting whether development intention sub-targets of a street town of a platform to which an enterprise belongs are available or not, and the development intention sub-targets serve as evaluation indexes for determining the industrial inefficient land.
4. The urban industrial land inefficient utilization assessment method according to claim 3, wherein the specific process of the step 3 is as follows:
determining evaluation index weight according to the influence degree of targets, sub-targets and indexes set in the target area on industrial land evaluation;
the weighted values of the evaluation target, the sub-targets and the indexes are between 0 and 1, and the sum of the weighted values of all targets, the sum of the weighted values of the sub-targets under the same evaluation target and the sum of the weighted values of all indexes under the same sub-target are all 1.
5. The method for evaluating the urban industrial inefficient land according to claim 4, wherein the step 3 adopts a Telfiy method to determine the index weight, namely, multiple rounds of expert scoring are carried out on the weights of the evaluation target, the sub-target and the index, and the method comprises the following steps:
the experts familiar with the urban economic and social development and the land utilization condition participate in the scoring, and the total number of the experts is more than 10;
scoring is performed independently without mutual negotiation according to the evaluation work background material and the related description;
from the second round, scoring is performed with reference to the scoring results of the previous round.
6. The urban industrial land inefficient utilization assessment method according to claim 2, wherein the specific process of the step 4 is as follows:
according to the mu average income, the mu average tax, the building volume rate and the building density obtained in the step 1, carrying out statistical analysis on natural distribution conditions to obtain median, average value and interval, and setting the value interval and the value of each index under the intensive utilization degree target;
obtaining the total value of intensive utilization degree of the industrial land by weighting the indexes of mu average income, mu average tax, building volume rate and building density:
wherein, I is the total score of intensive utilization degree of the industrial land;
α i evaluating indexes for intensive utilization degree;
P ij to aggregate utilization degree score: i is the category of intensive utilization data, j is a value interval, and ij is the score corresponding to the interval to which different categories belong;
n is the total number of intensive utilization degree evaluation indexes.
7. The method for evaluating the urban industrial inefficient land according to claim 1, wherein the total score of land utilization compliance, ecological safety and industrial development potential of the industrial land is obtained by weighting according to national space planning compliance, industrial planning and industrial land policy compliance, environmental pollution degree and development intention index in the step 5:
wherein E is the total value of the industrial land compliance, ecological safety and industrial development potential;
β i the evaluation indexes of land compliance, ecological safety and industrial development potential are provided;
Q ij for land compliance, ecological safety and industry development potential score: i is the category of compliance, ecological safety and industry development potential data, j is a value interval,ij is the score corresponding to the interval to which the different categories belong;
and m is the total number of evaluation indexes of land compliance, ecological safety and industrial development potential.
8. The method for evaluating the urban industrial inefficient land according to claim 1, wherein the step 6 is to calculate the comprehensive score of the industrial land by adding the total score of the intensive utilization degree of the industrial land I and the total score of the land compliance, ecological safety and industrial development potential E of the industrial land:
wherein alpha is i Evaluating indexes for intensive utilization degree;
P ij score a degree of intensive utilization;
n is the total number of intensive utilization degree evaluation indexes;
β i the evaluation indexes of land compliance, ecological safety and industrial development potential are provided;
Q ij potential values for land compliance, ecological safety and industry development;
and m is the total number of evaluation indexes of land compliance, ecological safety and industrial development potential.
9. The urban industrial land inefficient utilization assessment method according to claim 1, wherein the specific process of the step 7 is as follows:
obtaining a median, an average value and a section according to the natural distribution condition of the comprehensive value of the industrial land;
selecting a proper interval as a judgment standard according to the implementation strength of the industrial inefficient land redevelopment of the target area, and determining the industrial inefficient land;
and extracting industrial land data in the section in the industrial land assessment parameter library as an inefficient industrial land database through the ArcGIS platform.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116911630A (en) * | 2023-07-06 | 2023-10-20 | 北京华一众合科技有限公司 | Low-utility land intelligent identification method, system, storage medium and electronic equipment |
| CN117112703A (en) * | 2023-08-14 | 2023-11-24 | 深圳市规划国土发展研究中心 | Space planning stock unit identification method based on multidimensional analysis |
| CN117540987A (en) * | 2023-11-09 | 2024-02-09 | 宁波市规划设计研究院 | Industrial land planning method and device, electronic equipment and storage medium |
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2022
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116911630A (en) * | 2023-07-06 | 2023-10-20 | 北京华一众合科技有限公司 | Low-utility land intelligent identification method, system, storage medium and electronic equipment |
| CN117112703A (en) * | 2023-08-14 | 2023-11-24 | 深圳市规划国土发展研究中心 | Space planning stock unit identification method based on multidimensional analysis |
| CN117540987A (en) * | 2023-11-09 | 2024-02-09 | 宁波市规划设计研究院 | Industrial land planning method and device, electronic equipment and storage medium |
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