CN109598419A - A kind of method and device determining water environment hot spot grid based on water quality data - Google Patents
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Abstract
The application discloses a kind of method and device that water environment hot spot grid is determined based on water quality data.It is multiple grids that this method, which includes by the region division where water environment,；Obtain the water quality data of water inlet and water outlet in each grid；According to the water quality data of water inlet and water outlet, the pollution intensity of each grid is determined；According to the pollution intensity, hot spot grid is determined.
Description
Technical field
The application belongs to environmental monitoring technology field, more particularly to one kind determines water environment hot spot grid based on water quality data
Method and device.
Background technique
Water is in the dynamic balance state constantly recycled on earth.Water environment refers to the formation of water in nature, distribution
With the environment for converting locating space.Water environment is mainly made of surface water environment and groundwater environment two parts.Surface water environment
Including river, lake, reservoir, ocean, pond, marsh, glacier etc., groundwater environment includes spring, phreatic water, deep layer
It is lauched.With the development of society, the pollution problem of water environment is increasingly paid attention to, monitoring water environment becomes environment monitoring
One of project.
The method of monitoring water environment mainly has at present:
(1) based on the management method of administrative region, in each administrative region, according to the actual situation, arrangement is largely patrolled
The personnel of looking into patrol, and supervise destruction, or find the problem by modes such as common people's report.This management method covers
Range is excessive, and supervisory efficiency is low.
(2) the setting cross-section monitoring point of large area, is monitored, investigates unqualified region artificial every month.It should
Method large area is laid with monitoring device, and inefficiency searches pollution sources work and carries out difficulty.
Summary of the invention
One embodiment of the application provides a kind of method for determining water environment hot spot grid based on water quality data, comprising:
It is multiple grids by the region division where water environment；Obtain the water quality data of water inlet and water outlet in each grid；According to
The water quality data of water inlet and water outlet determines the pollution intensity of each grid；According to the pollution intensity, heat is determined
Dot grid.
In the above-mentioned method for determining water environment hot spot grid based on water quality data, the region division by where water environment
For multiple grids, comprising: flow to data and data on flows according to the determination of the terrain data in the region；According to the data on flows
Determine network of waterways data and water outlet；According to the water outlet and data are flowed to, are multiple charge for remittance blocks by the region division, with
As the grid.
In the above-mentioned method for determining water environment hot spot grid based on water quality data, it is described obtain in each grid water inlet and
The water quality data of water outlet, comprising: be monitored by monitoring device, obtain the water quality of water inlet and water outlet in each grid
Data.
In the above-mentioned method for determining water environment hot spot grid based on water quality data, it is described obtain in each grid water inlet and
The water quality data of water outlet, comprising: obtain the satellite remote sensing date in the region；Water quality is carried out according to the satellite remote sensing date
Identification, obtains the water quality data of water inlet and water outlet in each grid.
In the above-mentioned method for determining water environment hot spot grid based on water quality data, the water according to water inlet and water outlet
Prime number evidence determines the pollution intensity of each grid, comprising: by the water quality data of water outlet in the grid and water inlet
Pollution intensity of the difference of water quality data as the grid.
In the above-mentioned method for determining water environment hot spot grid based on water quality data, the water according to water inlet and water outlet
Prime number evidence determines the pollution intensity of each grid, comprising: according to the water quality data of water inlet and water outlet, determine described in
The difference of the water quality data of the water quality data and water inlet of water outlet in grid；According to the difference, determine the difference with it is right
Answer the ratio of grid area；Using the ratio as the pollution intensity of the grid.
One embodiment of the application also provides a kind of electronic equipment, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, wherein the processor is realized above-mentioned based on water when executing described program
Prime number is according to the method for determining water environment hot spot grid.
One embodiment of the application also provides a kind of computer readable storage medium, is stored thereon with processor program,
Wherein, the processor program is for executing the above-mentioned method for determining water environment hot spot grid based on water quality data.
One embodiment of the application also provides a kind of device that water environment hot spot grid is determined based on water quality data, packet
Include: the region division where water environment is multiple grids by region division module；Data acquisition module obtains in each grid
The water quality data of water inlet and water outlet；Data processing module determines each institute according to the water quality data of water inlet and water outlet
State the pollution intensity of grid；Hot spot grid determining module determines hot spot grid according to the pollution intensity.
In the above-mentioned device for determining water environment hot spot grid based on water quality data, the region division module is according to the area
The terrain data determination in domain flows to data and data on flows；Network of waterways data and water outlet are determined according to the data on flows；According to
The water outlet and data are flowed to, be multiple charge for remittance blocks by the region division, using as the grid.
In the above-mentioned device for determining water environment hot spot grid based on water quality data, the data acquisition module is set by monitoring
It is standby to be monitored, obtain the water quality data of water inlet and water outlet in each grid.
In the above-mentioned device for determining water environment hot spot grid based on water quality data, the data acquisition module obtains the area
The satellite remote sensing date in domain；Water quality identification is carried out according to the satellite remote sensing date, obtains water inlet and water outlet in each grid
The water quality data of mouth.
In the above-mentioned device for determining water environment hot spot grid based on water quality data, the data processing module is by the grid
Pollution intensity of the difference of the water quality data of the water quality data and water inlet of interior water outlet as the grid.
In the above-mentioned device for determining water environment hot spot grid based on water quality data, the data processing module is according to water inlet
With the water quality data of water outlet, the difference of the water quality data of the water quality data and water inlet of water outlet in the grid is determined；Root
According to the difference, the ratio of the difference with corresponding grid area is determined；Using the ratio as the pollution intensity of the grid.
The application determines the method for water environment hot spot grid, electronic equipment, computer-readable storage medium based on water quality data
The water environment region division that need to be monitored is multiple grids, passes through the water quality of each grid water inlet and water outlet by matter and device
Data determine hot spot grid therein, continue to monitor to hot spot grid, realize to water environment region targetedly, have weight
The monitoring of point, the pollution on-line monitoring system self-built independent of enterprise avoid the human interference to monitoring.It can also periodically more
New hot spot grid is realized and precisely, is efficiently supervised.
Detailed description of the invention
Fig. 1 is that one embodiment of the application determines the method flow diagram of water environment hot spot grid based on water quality data.
Fig. 2 is the flow chart of one embodiment grid division of the application.
Fig. 3 is that one embodiment of the application determines the schematic device of water environment hot spot grid based on water quality data.
Specific embodiment
Below in conjunction with drawings and examples, a specific embodiment of the invention is described in more details, so as to energy
The advantages of enough more fully understanding the solution of the present invention and its various aspects.However, specific embodiments described below and implementation
Example is for illustrative purposes only, rather than limiting the invention.
Heretofore described " connection " unless otherwise specific regulation or is limited, should be broadly understood, can be directly
It is connected, is also possible to be connected by intermediary.In the description of the present invention, it is to be understood that, "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", " top ", " bottom end " is orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Fig. 1 is that one embodiment of the application determines the method flow diagram of water environment hot spot grid based on water quality data.Such as
Shown in Fig. 1, the present embodiment provides a kind of methods for determining water environment hot spot grid based on water quality data, include the following steps.
It step S101, is multiple grids by the region division where water environment.In this step, by the region where water environment
(region for needing to monitor) carries out grid dividing, can take the region where different grids different Supervision Measures.
Step S102, the water quality data of water inlet and water outlet in each grid is obtained.Water quality data may include water quality
Classification water quality classification is divided into and is divided into 1 class, 2 classes, 3 classes, 4 classes, 5 classes and bad five class in national standard.Water quality number
It, can be according to reality according to that can also include the parameters such as the COD (Chemical Oxygen Demand) of water, ammonia nitrogen, turbidity, dissolved oxygen
Situation is selected.
Step S103, according to the water quality data of water inlet and water outlet, the pollution intensity of each grid is determined.Each grid
Pollution condition it is not identical, by the difference of water inlet and the water quality data of water outlet, can show that the pollution of each grid is strong
Degree.
Step S104, according to pollution intensity, hot spot grid is determined.In this step, according to preset rules, from
Hot spot grid is selected in the grid of division.
By the method for above embodiment, monitoring department can carry out grid dividing to the region supervised, and determine
Hot spot grid carries out emphasis monitoring to hot spot grid and improves the effect of monitoring water environment so that the monitoring to water environment is targeted
Rate.
Fig. 2 is the flow chart of one embodiment grid division of the application.As shown in Fig. 2, above-mentioned steps S101, by water ring
Region division where border is multiple grids, comprising:
Step S201, data and data on flows are flowed to according to the determination of the terrain data in region.
In the present embodiment, the terrain data in the region where water environment can be digital elevation data (Digital
Elevation Model), data and data on flows are flowed to according to digital elevation data to determine.Divisor is removed using hollow method is filled out
Abnormal high level and abnormal low value in word altitude data.Using D8 algorithm, to filling out hollow method treated, digital elevation data are carried out
Processing, obtains flowing to data and data on flows, data on flows is the flowing water cumulant of each grid point in D8 algorithm.
Step S202, network of waterways data and water outlet are determined according to data on flows.
1000 are more than or equal to one threshold value of flow data setting, such as flow, the grid point connection of threshold value is will be above, obtains river
Network data.In the present embodiment, the grid point after connection forms water channel, and criss-cross water channel constitutes network of waterways data.Network of waterways data
The grid point of intersection is that maximum is come down in torrents a little, and maximum is come down in torrents as water outlet.The quantity of water outlet is not fixed in region, root
It is automatically generated according to landform.
Step S203, according to water outlet and data are flowed to, are multiple charge for remittance blocks by region division, using as grid.
According to each water outlet and by flowing to data grid point associated with it as a charge for remittance block.Region is drawn
It is divided into multiple charge for remittance blocks, each charge for remittance block is as a grid.Using the water outlet of upstream charge for remittance block as downstream charge for remittance
The water inlet of block.It only include a water outlet in each grid, water inlet can have multiple.
The grid number of division should not be excessive, and number of grid excessively will increase calculation amount.In the present embodiment, each grid covering
Region area be more than or equal to 10 square kilometres.Invention is not limited thereto, and the size of grid can adjust according to actual needs.
Optionally, the water quality data of water inlet and water outlet in each grid is obtained in above-mentioned steps S102, comprising: pass through
Monitoring device is monitored, and obtains the water quality data of water inlet and water outlet in each grid.Monitoring device can be automatic prison
Measurement equipment is also possible to manual monitoring equipment.Water-quality Monitoring Points can be set for water inlet and water outlet in each grid, pass through
The water quality data of automatic equipment acquisition water inlet and water outlet.It can also be obtained by way of artificial sample with manual equipment
The water quality data of water inlet and water outlet.
In another scheme, the water quality data of water inlet and water outlet in each grid is obtained in above-mentioned steps S102, is wrapped
It includes: obtaining the satellite remote sensing date in region；Carry out water quality identification according to satellite remote sensing date, obtain in each grid water inlet and
The water quality data of water outlet.
The satellite remote sensing date of acquisition includes but is not limited to sentry, MODIS data, Himawari-8, TM series, high score defends
Sing data etc..
By taking water quality data includes water quality classification as an example, in national standard, water quality classification is divided into and is divided into 1 class, 2
Class, 3 classes, 4 classes, 5 classes and black smelly class.The sample of water quality classification is trained with remotely-sensed data, obtains training pattern.According to instruction
Practice model and inverting carried out to the remotely-sensed data of the satellite in region, obtains the water quality classification of water inlet and water outlet in multiple grids,
Water quality data as water inlet and water outlet.
Optionally, the pollution of each grid is determined according to the water quality data of water inlet and water outlet in above-mentioned steps S103
Intensity, comprising: using the difference of the water quality data of water outlet in grid and the water quality data of water inlet as the pollution intensity of grid.
Another optional scheme determines each according to the water quality data of water inlet and water outlet in above-mentioned steps S103
The pollution intensity of grid, comprising: according to the water quality data of water inlet and water outlet, determine in grid the water quality data of water outlet with
The difference of the water quality data of water inlet；According to difference, the ratio of difference with corresponding grid area is determined；Using ratio as grid
Pollution intensity.
In above-mentioned steps S104, a preset value is set for pollution intensity, according to pollution intensity, pollution intensity is greater than etc.
It is determined as hot spot grid in the grid of preset value.
In another scheme, each grid is ranked up according to pollution intensity, it is according to preset ratio value, pollution is strong
It spends high grid and is determined as hot spot grid.Such as, grid is arranged according to the descending of pollution intensity, takes sequence is forward (to pollute strong
Du Dugao) 30% grid is as hot spot grid.
The method for determining water environment hot spot grid based on water quality data of the present embodiment, the water environment location that will need to be monitored
Domain is divided into multiple grids, determines that hot spot grid therein, hot spot grid can have as emphasis Polluted area based on water quality data
What is stressed is monitored, and improves the effect of monitoring water environment, avoids the waste of manpower, financial resources.Hot spot grid can be determined
The update of phase promotes the effect of supervision.
The present embodiment also provides a kind of electronic equipment, including memory, processor and storage on a memory and can located
The computer program that runs on reason device, wherein processor is realized when executing program above-mentioned determines that water environment is hot based on water quality data
The method of dot grid.
The present embodiment also provides a kind of computer readable storage medium, is stored thereon with processor program, wherein the processing
Device program is for executing the above-mentioned method for determining water environment hot spot grid based on water quality data.
Fig. 3 is that one embodiment of the application determines the schematic device of water environment hot spot grid based on water quality data.Such as
Shown in Fig. 3, the present embodiment also provides a kind of device that water environment hot spot grid is determined based on water quality data, comprising: region division
Module 301, data acquisition module 302, data processing module 303, hot spot grid determining module 304.
Region division module 301, for being multiple grids by the region division where water environment.By the area where water environment
Domain is divided into multiple grids, and the supervision of emphasis can be carried out to seriously polluted grid.
Data acquisition module 302, for obtaining the water quality data of water inlet and water outlet in each grid.It is set by monitoring
Standby, satellite remote sensing date or other modes obtain the water quality data of water inlet and water outlet in grid.
Data processing module 303 determines that the pollution of each grid is strong for the water quality data according to water inlet and water outlet
Degree.
Hot spot grid determining module 304, for determining hot spot grid according to pollution intensity.
Optionally, region division module 301 flows to data and data on flows according to the determination of the terrain data in region；According to stream
Amount data determine network of waterways data and water outlet；According to water outlet and data are flowed to, are multiple charge for remittance blocks by region division, to make
For grid.
Optionally, data acquisition module 302 is monitored by monitoring device, obtains water inlet and water outlet in each grid
The water quality data of mouth.Monitoring device can be automated monitor and be also possible to manual monitoring equipment.
In another scheme, data acquisition module 302 obtains the satellite remote sensing date in region；According to satellite remote sensing date into
The identification of row water quality, obtains the water quality data of water inlet and water outlet in each grid.
Optionally, data processing module 303 is by the difference of the water quality data of water outlet in grid and the water quality data of water inlet
It is worth the pollution intensity as grid.
In another optional scheme, data processing module 303 determines net according to the water quality data of water inlet and water outlet
The difference of the water quality data of the water quality data and water inlet of water outlet in lattice；According to difference, difference and corresponding grid area are determined
Ratio；Using ratio as the pollution intensity of grid.
Hot spot grid determining module 304 sets a preset value for pollution intensity, according to pollution intensity, by pollution intensity
Grid more than or equal to preset value is determined as hot spot grid.
Hot spot grid determining module 304 can also be ranked up each grid according to pollution intensity, according to preset ratio
Example value, is determined as hot spot grid for the high grid of pollution intensity.
Determine that the method for water environment hot spot grid, electronic equipment, computer can based on water quality data in the embodiment of the present application
Storage medium and device are read, is multiple grids by the water environment region division that need to be monitored, passes through the water quality data in each grid
Determine hot spot grid therein, hot spot grid continued to monitor, realize to water environment region targetedly, have emphasis
Monitoring.
It should be noted that each embodiment above by reference to described in attached drawing is only to illustrate the present invention rather than limits this
The range of invention, those skilled in the art should understand that, it is right under the premise without departing from the spirit and scope of the present invention
The modification or equivalent replacement that the present invention carries out, should all cover within the scope of the present invention.In addition, signified unless the context
Outside, the word occurred in the singular includes plural form, and vice versa.In addition, unless stated otherwise, then any embodiment
All or part of in combination with any other embodiment all or part of come using.
Claims (14)
1. a kind of method for determining water environment hot spot grid based on water quality data characterized by comprising
It is multiple grids by the region division where water environment；
Obtain the water quality data of water inlet and water outlet in each grid；
According to the water quality data of water inlet and water outlet, the pollution intensity of each grid is determined；
According to the pollution intensity, hot spot grid is determined.
2. the method for determining water environment hot spot grid based on water quality data according to claim 1, which is characterized in that described to incite somebody to action
Region division where water environment is multiple grids, comprising:
Data and data on flows are flowed to according to the determination of the terrain data in the region；
Network of waterways data and water outlet are determined according to the data on flows；
It is multiple charge for remittance blocks by the region division according to the water outlet and data are flowed to, using as the grid.
3. the method for determining water environment hot spot grid based on water quality data according to claim 1, which is characterized in that described to obtain
Obtain the water quality data of water inlet and water outlet in each grid, comprising:
It is monitored by monitoring device, obtains the water quality data of water inlet and water outlet in each grid.
4. the method for determining water environment hot spot grid based on water quality data according to claim 1, which is characterized in that described to obtain
Obtain the water quality data of water inlet and water outlet in each grid, comprising:
Obtain the satellite remote sensing date in the region；
Water quality identification is carried out according to the satellite remote sensing date, obtains the water quality data of water inlet and water outlet in each grid.
5. the method for determining water environment hot spot grid based on water quality data according to claim 1, which is characterized in that described
According to the water quality data of water inlet and water outlet, the pollution intensity of each grid is determined, comprising:
The difference of the water quality data of water outlet in the grid and the water quality data of water inlet is strong as the pollution of the grid
Degree.
6. the method for determining water environment hot spot grid based on water quality data according to claim 1, which is characterized in that described
According to the water quality data of water inlet and water outlet, the pollution intensity of each grid is determined, comprising:
According to the water quality data of water inlet and water outlet, the water quality of the water quality data of water outlet and water inlet in the grid is determined
The difference of data；
According to the difference, the ratio of the difference with corresponding grid area is determined；
Using the ratio as the pollution intensity of the grid.
7. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, wherein the processor is realized true based on water quality data described in any one of claim 1 to 6 when executing described program
Determine the method for water environment hot spot grid.
8. a kind of computer readable storage medium, is stored thereon with processor program, wherein the processor program is for executing
State the method that water environment hot spot grid is determined based on water quality data described in any one of claim 1 to 6.
9. a kind of device for determining water environment hot spot grid based on water quality data characterized by comprising
Region division where water environment is multiple grids by region division module；
Data acquisition module obtains the water quality data of water inlet and water outlet in each grid；
Data processing module determines the pollution intensity of each grid according to the water quality data of water inlet and water outlet；
Hot spot grid determining module determines hot spot grid according to the pollution intensity.
10. the device of water environment hot spot grid is determined based on water quality data according to claim 1, which is characterized in that described
Region division module flows to data and data on flows according to the determination of the terrain data in the region；It is determined according to the data on flows
Network of waterways data and water outlet；Be multiple charge for remittance blocks by the region division according to the water outlet and data are flowed to, using as
The grid.
11. the device of water environment hot spot grid is determined based on water quality data according to claim 9, which is characterized in that described
Data acquisition module is monitored by monitoring device, obtains the water quality data of water inlet and water outlet in each grid.
12. the device of water environment hot spot grid is determined based on water quality data according to claim 9, which is characterized in that described
Data acquisition module obtains the satellite remote sensing date in the region；Water quality identification is carried out according to the satellite remote sensing date, is obtained
The water quality data of water inlet and water outlet in each grid.
13. the device of water environment hot spot grid is determined based on water quality data according to claim 9, which is characterized in that described
Data processing module is using the difference of the water quality data of water outlet in the grid and the water quality data of water inlet as the grid
Pollution intensity.
14. the device of water environment hot spot grid is determined based on water quality data according to claim 9, which is characterized in that described
Data processing module determines the water quality data of water outlet in the grid and enters water according to the water quality data of water inlet and water outlet
The difference of the water quality data of mouth；According to the difference, the ratio of the difference with corresponding grid area is determined；The ratio is made
For the pollution intensity of the grid.
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