CN114324824A - Monitoring point location setting system and method - Google Patents
Monitoring point location setting system and method Download PDFInfo
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- 238000005070 sampling Methods 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000009826 distribution Methods 0.000 claims abstract description 46
- 238000004364 calculation method Methods 0.000 claims description 12
- 230000032823 cell division Effects 0.000 claims description 11
- 239000003344 environmental pollutant Substances 0.000 claims description 7
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- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 claims description 4
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Abstract
The application relates to a monitoring point location setting system and a monitoring point location setting method, which belong to the technical field of soil monitoring, wherein the method comprises the steps of equally dividing an open space into a plurality of system point distribution cells; equally dividing each system distribution point cell into four quadrant cells; sampling soil in each quadrant cell; and determining the quadrant unit cell with the highest detection value of each system point distribution unit cell, and distributing the monitoring points in the screened quadrant unit cells. This application has through dividing into four quadrant cells with system's cloth point cell to carry out more careful sample detection to the soil in the system's cloth point cell, can detect the pollution situation of soil more accurately, can distribute the monitoring position better, thereby carry out the effect monitored to soil pollution better.
Description
Technical Field
The application relates to the technical field of soil monitoring, in particular to a monitoring point location setting system and method.
Background
The monitoring point location setting in the soil pollution condition investigation work is mainly based on a professional judgment method. However, for some plots which are completely flat under the current situation, under the condition that whether the historical images or collected data can not clearly determine whether the potential pollution history exists in the partial regions in the plot, whether the monitoring points can be reasonably arranged in the regions is a problem which is difficult to properly solve.
The existing monitoring point location setting method is mainly used for arranging points in a production workshop and a warehouse area by adopting a professional judgment method. The professional judgment method is to judge the place with serious pollution degree in a production workshop or a warehouse area through historical images or collected data and then to distribute points at the judged position. The vacant areas are generally considered to be free of potential pollution by default, but for the sake of insurance, the vacant areas are monitored by a system stationing method.
The related art described above has the following drawbacks: because the monitoring point locations are evenly spaced point locations, there is a greater possibility of leaving behind potential contamination conditions.
Disclosure of Invention
In order to solve the problem that potential pollution conditions are possibly high, the application provides a point position monitoring setting system and a point position monitoring setting method.
In a first aspect, the present application provides a system and a method for monitoring point location setting, which adopt the following technical solutions:
a monitoring point location setting method comprises the following steps:
equally dividing the open space into a plurality of system distribution unit grids;
equally dividing each system distribution point cell into four quadrant cells;
sampling soil in each quadrant cell;
and determining the quadrant unit cell with the highest detection value of each system point distribution unit cell, and distributing the monitoring points in the screened quadrant unit cells.
Through adopting above-mentioned technical scheme, through dividing into four quadrant cells with system's stationing cell to carry out more careful sample detection to the soil in the system's stationing cell, can detect the pollution situation of soil more accurately, can distribute the monitoring point position better, thereby monitor soil pollution better.
Optionally, the equally dividing the space into the plurality of system layout cells includes: and dividing the area into an unmonitored area and a monitored area, and cleaning the soil surface of the unmonitored area.
By adopting the technical scheme, the areas are divided, the vacant lands and other areas are distinguished, the other areas comprise production workshops, warehouse areas and the like, the vacant lands are unmonitored areas, the separated vacant lands are square, the cells are conveniently divided, the soil surface of the vacant lands is cleaned, and the influence of pollutants on the soil surface on the detection result can be reduced.
Optionally, sampling the soil in each quadrant cell specifically includes:
equally dividing each quadrant cell into 4 sampling cells;
taking a soil sample on each sampling cell, namely taking 4 soil samples on each quadrant cell;
fully mixing 4 soil samples to prepare a mixed sample;
respectively detecting the prepared mixed samples, and recording the readings as the detection values of the quadrant cells;
and performing the operation on other quadrant unit cells, and respectively recording detection values.
Through adopting above-mentioned technical scheme, sampling respectively is carried out to four sampling unit check that same quadrant unit check was divided into, thereby can carry out more accurate detection to the soil in the quadrant unit check through making four soil sample mixture system into mixed appearance, has reduced the possibility of having omitted the potential pollution situation.
Optionally, the step of taking the soil sample at the center of each sampling unit, that is, taking 4 soil samples per quadrant cell specifically includes:
determining a sampling part of each sampling unit cell;
determining the sampling depth of each sampling unit cell;
and completing sampling of all sampling cells under the same weather condition.
Through adopting above-mentioned technical scheme, the pollution degree of the different degree of depth of soil is different, and weather also can cause the influence to the pollution degree of soil, and the depth of getting soil and the sample volume of every sampling point keep unanimous when the sampling, the detected value that obtains soil that can be more accurate.
Optionally, the detecting the prepared mixed sample respectively, and recording the reading, specifically including as the detection value of the unit cell of the present quadrant: detecting the prepared mixed sample in a mode of a photoionization detector and a soil XRF detector;
the photoionization detector is used for detecting the content of organic matters in the soil and judging whether the soil contains petroleum pollutants;
the soil XRF detector is used for detecting the heavy metal content in soil.
Through adopting above-mentioned technical scheme, detect different data in the soil to can more accurately carry out the analysis to the pollution degree of soil.
Optionally, the determining the quadrant cell with the highest detection value of each system point distribution cell, and performing monitoring point distribution on the screened quadrant cells further includes:
comparing quadrant cells with the highest detection values of all system point distribution cells;
judging and selecting quadrant cells of which the detection values are obviously higher than those of other areas and are obviously higher than those of the area where the off-site control point is located;
and independently arranging the selected quadrant cells as suspected polluted areas for distribution.
Through adopting above-mentioned technical scheme, the quadrant cell that the selected detected value is highest carries out pollution monitoring alone to carry out real-time supervision to the pollution degree of this quadrant cell, reduce the further serious condition of soil pollution degree in this quadrant cell and take place.
Optionally, after the individually selected quadrant cells are listed as suspected contaminated areas for distribution, the method includes:
and selecting the quadrant unit cell with the highest measured value from the other three quadrant unit cells for point arrangement in the system point arrangement grid in which the selected quadrant unit cell is positioned.
Through adopting above-mentioned technical scheme, set for two monitoring point positions in the system stationing grid that the quadrant cell of choosing out belongs to, can carry out key monitoring to this system stationing grid, whether the quadrant cell that detects the value simultaneously is the highest causes the pollution to the soil in other three quadrant cells, and the condition that the reduction pollution spreads takes place.
In a second aspect, the present application provides a monitoring point location setting system, which adopts the following technical scheme:
a monitoring point location system comprising: the device comprises a cell division module, a sampling point calculation module, a detection module and a comparison module;
a cell division module: the cell division module is used for equally dividing the open space into a plurality of system point distribution cells, equally dividing each system point distribution cell into four quadrant cells, and equally dividing each quadrant cell into four sampling cells;
a sampling point calculation module: the sampling point calculation module is used for positioning sampling points of the soil according to the divided sampling unit grids;
a detection module: the detection module is used for detecting all soil samples and recording detection results;
a comparison module: the comparison module is used for comparing detection values in all soil samples and judging quadrant cells with the highest detection values in the distribution cells of the same system.
Through adopting above-mentioned technical scheme, at first divide into a plurality of little cells with system's cloth point cell through the cell division module, secondly calculate concrete sampling point through the sampling point calculation module to carry out more careful sample detection to the soil in the system's cloth point unit through detection module, can detect the pollution situation of soil more accurately, can determine the monitoring point position through the comparison module at last, thereby monitor soil pollution better.
In a third aspect, the present application provides an intelligent terminal, which adopts the following technical scheme:
an intelligent terminal comprising a memory and a processor, wherein the memory stores at least one instruction, at least one program, a set of codes, or a set of instructions, and the at least one instruction, at least one program, a set of codes, or a set of instructions is loaded and executed by the processor to implement the monitoring point location setting method according to any one of claims 1 to 7.
Through adopting above-mentioned technical scheme, can save and handle corresponding procedure, can distribute the monitoring position better to monitor soil pollution better.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer readable storage medium having stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by a processor to implement the monitoring point location method according to any one of claims 1 to 7.
By adopting the technical scheme, the related programs are convenient to store, the information transmission efficiency is improved, the soil pollution degree is more accurately analyzed, and the monitoring point position is determined.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by dividing the system distribution unit grid into four quadrant unit grids, the soil in the system distribution unit is subjected to more detailed sampling detection, the pollution condition of the soil can be more accurately detected, monitoring point positions can be better distributed, and the soil pollution can be better monitored;
2. four sampling unit check that divide into same quadrant unit check are sampled respectively, thereby can carry out more accurate detection to the soil in the quadrant unit check through mixing four soil sample system mixed sample, have reduced the possibility of missing the potential pollution situation.
Drawings
Fig. 1 is a schematic flowchart of a monitoring point location setting method in an embodiment of the present application.
Fig. 2 is a schematic flow chart of soil sampling detection in the embodiment of the present application.
Fig. 3 is a schematic flow chart of spotting of suspected contaminated areas in the embodiment of the present application.
Fig. 4 is a schematic structural diagram of a monitoring point location setting system in an embodiment of the present application.
Description of reference numerals: 1. a cell division module; 2. a sampling point calculation module; 3. a detection module; 4. and a comparison module.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Embodiments of a monitoring point location setting system and method according to the present application are described in further detail below with reference to the drawings of the specification.
An embodiment of the application discloses a monitoring point location setting method.
Referring to fig. 1, a monitoring point location setting method includes the following steps:
s10, dividing the open space into a plurality of system distribution cells;
in this embodiment, the monitoring point location setting is performed on a block, and the block needs to be divided into an unmonitored area and a detected area. The monitored areas are production workshops, warehouse areas and the like, and plots of the production workshops, the warehouse areas and the like are distributed through a professional judgment method, so that the monitored areas do not need to be monitored. The unmonitored areas are vacant lands on the land parcels, and the vacant lands are divided into square vacant lands, so that the vacant lands can be divided into equal amounts continuously at the later stage. The air-ground surface of monitoring is level and smooth, and no pollution trace needs to be cleared up earlier to the surface of air-ground before carrying out the monitoring point position to avoid the pollutant that drifts in the air to fall on the air-ground surface, thereby cause the influence to the testing result.
The system distribution unit grids are set to be 80 meters by 80 meters, and the grid divided into the square grids is convenient for equivalent division of the system distribution unit grids subsequently, so that the soil at different positions is further monitored, and the accuracy of setting of monitoring point positions is improved.
S20, equally dividing each system distribution grid into four quadrant grids;
wherein, quadrant cell is the grid of 40 meters by 40 meters, and four quadrant cells splice and constitute a system and distribute the dot cell. Because the area of the system distribution unit cell is large, sampling is difficult when soil in the system distribution unit cell is detected, namely, the sampled soil may have specificity. Specifically, the sampled soil is relatively serious in pollution condition, and the pollution degree of other soil in the system distribution unit grid is relatively low; the sampled soil pollution condition is light or pollution-free, and the pollution degree of other soil in the system distribution unit grid is serious. Above two kinds of circumstances all have the particularity, consequently divide into four quadrant cells with system's cloth point cell, can be more accurate monitor soil.
S30, sampling soil in each quadrant cell;
in the implementation, take a sample respectively to the soil in the four quadrant cells in the same system stationing cell, can be so that the soil of sample does not possess the unicity, detect a plurality of samples, can be more accurate learn the pollution degree of soil in the system stationing cell.
To make the contamination level of the soil in the quadrant cell more representative, S30 further includes:
referring to fig. 2, S301, each quadrant cell is equally divided into 4 sampling cells;
the sampling unit grids are 20 m-20 m grids, and the four sampling unit grids are spliced to form a quadrant unit grid.
S302, taking a soil sample on each sampling cell, namely taking 4 soil samples on each quadrant cell;
when sampling the sample cell, there are many factors and can cause the influence to the testing result of soil sample's pollution degree, and specific factor includes: location of the sample, depth of the sample, and weather conditions at the time of the sample. In order to reduce the influence of the factors on the detection result of the pollution degree of the soil sample, the following method is specifically adopted:
when taking a soil sample of each sampling unit cell, it is necessary to ensure that the sampling site of each sampling unit cell is consistent. And the intersection point of two diagonal lines in the sampling unit grid is the central position of the sampling unit grid, and the central position of the sampling unit grid is used as the sampling part of the sampling unit grid.
When taking a soil sample of each sampling unit cell, it is necessary to ensure that the sampling depth of each sampling unit cell is consistent. Soil samples adopted during sampling are all soil on the central surface of the sampling unit grid, and the sampling depth of the soil is not more than 1 cm.
When taking the soil sample of each sampling unit cell, the external environment needs to be ensured to be consistent. And selecting a sunny day for sampling, and if other severe weather conditions such as rain and the like occur in the sampling period, re-sampling after the weather is sunny.
In practice, the collected soil sample should be dried in air in time to avoid property change due to mildew. The specific method is that the soil sample is broken into pieces and spread on clean paper, the pieces are spread into thin layers and placed in a cool and ventilated place to be air-dried, and the thin layers are often turned over to accelerate drying. The soil sample is not directly exposed to sunlight, and the air-dried soil sample is ground and sieved.
S303, fully mixing the 4 soil samples to prepare a mixed sample;
in the implementation, put 4 soil samples that 4 sampling unit check in same quadrant unit check were taken a sample in a glass container simultaneously to stir 4 soil samples in the glass container through the stirring rod, make 4 soil samples fully fuse, the soil sample after the fusion is promptly mixed appearance. The pollution degree of mixing appearance is 4 soil sample pollution concentration's average value, can learn the pollution degree of soil in the quadrant cell more accurately, reduces to exist and misses the condition emergence of potential pollution situation.
S304, respectively detecting the prepared mixed samples, and recording the readings as the detection values of the cells of the quadrant;
the detection of the mixed sample specifically comprises detection of the mixed sample using a photoionization detector and detection of the mixed sample using a soil XRF detector. The photoionization detector is used for detecting the content of organic matters in the soil and judging whether the soil contains petroleum pollutants; the soil XRF detector is used for detecting the heavy metal content in soil. Through photoionization detector and soil XRF detector to multiple data such as organic matter content, petroleum class pollutant and heavy metal content in the soil detect to can more accurately carry out the analysis to the pollution degree of soil.
S305, the above operations are performed on the other quadrant cells, and the detection values are recorded respectively.
In the implementation, sample respectively four sampling unit check that divide into same quadrant unit check, thereby can carry out more accurate detection to the soil in the quadrant unit check through making four soil sample mixture into the mixed appearance, reduced the possibility that has the potential pollution situation of omission.
And S40, determining the quadrant cells with the highest detection value of each system point distribution cell, and distributing the monitoring points on the screened quadrant cells.
In one embodiment, the monitoring points are arranged in quadrant cells with the highest detection value in a system point arrangement cell. The soil monitoring specifically comprises the current soil quality monitoring, the soil pollution accident monitoring and the dynamic monitoring of pollutant land treatment.
In another embodiment, because the soil pollution levels in all the system distribution cells are different, an area with a high pollution level needs to be monitored in an important mode, and the method specifically comprises the following steps:
referring to fig. 3, S401, quadrant cells with the highest measured value among all system layout cells are compared;
s402, judging and selecting quadrant cells of which the detection values are obviously higher than those of other areas and are obviously higher than those of the area where the off-site contrast point is located;
and S403, individually listing the selected quadrant cells as suspected polluted areas for distribution.
In the implementation, monitoring points are preferentially arranged at polluted places for monitoring soil pollution. The monitoring points are arranged to avoid the edges of fields, ditches, roadsides and compost peripheries so as to ensure that the soil pollution degree at the monitoring points is representative.
After the quadrant unit cells of the suspected pollution area are independently distributed, the detection values of the remaining three quadrant unit cells are compared in the system distribution grid where the selected quadrant unit cells are located, the quadrant unit cell with the highest detection value in the remaining three quadrant unit cells is selected, and monitoring points are distributed in the quadrant unit cells with the highest detection value in the remaining three quadrant unit cells. Two monitoring point positions are set in a system distribution grid where the selected quadrant cells are located, the system distribution grid can be monitored in a key mode, whether the quadrant cells with the highest detection values pollute soil in other three quadrant cells or not can be detected, and the pollution diffusion is reduced.
Based on the same inventive concept, the embodiment of the application also discloses a monitoring point location setting system.
Referring to fig. 4, a monitoring point location setting system includes a cell division module 1, a sampling point calculation module 2, a detection module 3, and a comparison module 4;
the cell division module 1 is used for dividing the open space, specifically, the cell division module 1 equally divides the open space into a plurality of system point distribution cells, equally divides each system point distribution cell into four quadrant cells, and finally equally divides each quadrant cell into four sampling cells;
the sampling point calculation module 2 is configured to determine a sampling point, and specifically, the sampling point calculation module 2 uses an intersection point of two diagonal lines in the divided sampling cell as a sampling point of soil;
the detection module 3 is used for detecting all soil samples, specifically, the detection module 3 is used for detecting the soil samples of four sampling cells in the same quadrant cell after mixing, and recording the detection result;
and the comparison module 4 is used for comparing the detection values in all the soil samples and judging the quadrant cell with the highest detection value in the distribution cells of the same system.
The implementation principle of the monitoring point location setting system in the embodiment of the application is as follows: firstly, dividing a system distribution point cell into four quadrant cells by a cell dividing module 1, and equally dividing each quadrant cell into four sampling cells; secondly calculate the concrete sampling point of every sampling unit check through sampling point calculation module 2 to detect the soil sample mixture of four sampling unit check in the same quadrant unit check through detection module 3, can determine the monitoring point position of every system distribution unit check through comparison module 4 at last, thereby monitor soil pollution better. Through this monitoring point location setting system, can carry out more accurate detection to the pollution degree of open ground soil, can distribute the monitoring point location better to monitor soil pollution better.
The embodiment of the application also discloses an intelligent terminal which comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and can execute the method for setting the monitoring point position.
Based on the same inventive concept, an embodiment of the present application further discloses a computer-readable storage medium, where at least one instruction, at least one program, a code set, or an instruction set is stored in the storage medium, and the at least one instruction, the at least one program, the code set, or the instruction set can be loaded and executed by a processor to implement the method for monitoring point location setting provided by the method embodiment.
It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Those skilled in the art will appreciate that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing associated hardware, where the program may be stored in a computer-readable storage medium, where the above-mentioned storage medium includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only exemplary of the present application and should not be taken as limiting, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A monitoring point location setting method is characterized by comprising the following steps:
equally dividing the open space into a plurality of system distribution unit grids;
equally dividing each system distribution point cell into four quadrant cells;
sampling soil in each quadrant cell;
and determining the quadrant unit cell with the highest detection value of each system point distribution unit cell, and distributing the monitoring points in the screened quadrant unit cells.
2. The method for setting monitoring point location according to claim 1, wherein before dividing the space into a plurality of system point distribution cells, the method comprises: and (4) dividing the region into a monitored region and an unmonitored region, and cleaning the soil surface of the unmonitored region.
3. The method for setting the monitoring point position according to claim 1, wherein the sampling the soil in each quadrant cell specifically comprises:
equally dividing each quadrant cell into 4 sampling cells;
taking a soil sample at the central position of each sampling unit, namely taking 4 soil samples for each quadrant cell;
fully mixing 4 soil samples to prepare a mixed sample;
respectively detecting the prepared mixed samples, and recording the readings as the detection values of the quadrant cells;
and performing the operation on other quadrant unit cells, and respectively recording detection values.
4. The method for setting the monitoring point position according to claim 3, wherein the step of taking the soil sample on each sampling unit cell, namely taking 4 soil samples on each quadrant unit cell specifically comprises the following steps:
determining a sampling part of each sampling unit cell;
determining the sampling depth of each sampling unit cell;
and completing sampling of all sampling cells under the same weather condition.
5. The method for setting the monitoring point position according to claim 1, wherein the detecting the prepared mixed samples respectively and recording the readings, and the detecting the values of the unit cells of the quadrant specifically includes: detecting the prepared mixed sample by a photoionization detector and a soil XRF detector;
the photoionization detector is used for detecting the content of organic matters in the soil and judging whether the soil contains petroleum pollutants;
the soil XRF detector is used for detecting the heavy metal content in soil.
6. The method as claimed in claim 1, wherein the determining the quadrant cell with the highest detection value of each system point distribution cell, and performing the monitoring point distribution on the selected quadrant cell further comprises:
comparing quadrant cells with the highest detection values of all system point distribution cells;
judging and selecting quadrant cells of which the detection values are obviously higher than those of other areas and are obviously higher than those of the area where the off-site control point is located;
and independently arranging the selected quadrant cells as suspected polluted areas for distribution.
7. The method as claimed in claim 1, wherein the step of placing the selected quadrant cells as the suspected pollution area comprises:
and selecting the quadrant unit cell with the highest measured value from the other three quadrant unit cells for point arrangement in the system point arrangement grid in which the selected quadrant unit cell is positioned.
8. A monitoring point location setting system, comprising: the device comprises a cell division module (1), a sampling point calculation module (2), a detection module (3) and a comparison module (4);
cell division module (1): the cell division module (1) is used for equally dividing the open space into a plurality of system point distribution cells, equally dividing each system point distribution cell into four quadrant cells, and equally dividing each quadrant cell into four sampling cells;
sampling point calculation module (2): the sampling point calculation module (2) is used for positioning sampling points of the soil according to the divided sampling unit grids;
detection module (3): the detection module (3) is used for detecting all soil samples and recording detection results;
a comparison module (4): and the comparison module (4) is used for comparing the detection values in all the soil samples and judging the quadrant cell with the highest detection value in the distribution cells of the same system.
9. An intelligent terminal, characterized by comprising a memory and a processor, wherein the memory stores at least one instruction, at least one program, a set of codes, or a set of instructions, and the at least one instruction, at least one program, a set of codes, or a set of instructions is loaded and executed by the processor to implement the monitoring point location setting method according to any one of claims 1 to 7.
10. A computer readable storage medium having stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by a processor to implement the monitoring point location method according to any one of claims 1 to 7.
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| CN117932444A (en) * | 2024-03-19 | 2024-04-26 | 北京市农林科学院信息技术研究中心 | Soil heavy metal laboratory detection sample point screening method and device |
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| CN113340821A (en) * | 2021-06-15 | 2021-09-03 | 陕西地建土地工程技术研究院有限责任公司 | Rapid recognition method for heavy metal pollution of surface soil for urban construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117932444A (en) * | 2024-03-19 | 2024-04-26 | 北京市农林科学院信息技术研究中心 | Soil heavy metal laboratory detection sample point screening method and device |
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