CN105302777B - Water environment information methods of exhibiting and system based on grid dynamic play - Google Patents
Water environment information methods of exhibiting and system based on grid dynamic play Download PDFInfo
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- CN105302777B CN105302777B CN201510619329.0A CN201510619329A CN105302777B CN 105302777 B CN105302777 B CN 105302777B CN 201510619329 A CN201510619329 A CN 201510619329A CN 105302777 B CN105302777 B CN 105302777B
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Abstract
The present invention relates to a kind of water environment information methods of exhibiting and system based on grid dynamic play.First, based on water level flow velocity relation, river section hydrology data are analyzed, build river water evolution model：Secondly, carry out dynamics water quality for river actual conditions, and assign it is different represent color, and mesh generation is carried out to section, section is subjected to pixelation processing；And, by analyzing river water evolution model, by river water evolution model combination water body concrete condition, carry out hydro-environmental change forecast analysis again；Finally, the propulsion of binding time axis and analysis result, determine the changed trigger point of water quality, when a change, realize the switching to representing color, and the superposition displaying of data is realized based on GIS platform；And by Chosen Point, realize the prediction to the contamination time, the prediction to pollution course.The present invention realizes auxiliary water environmental monitoring control personnel and grasps current administrative regional water environmental problems distribution, and then General Promotion water environment monitoring service ability in time.
Description
Technical field
The present invention relates to a kind of water environment information methods of exhibiting and system based on grid dynamic play.
Background technology
With the rapid development of China's industrial and agricultural production, waste, the pollution of water resource are growing day by day, and freshwater resources increasingly subtract
It is few.For water as a kind of special natural resources, its safety problem has caused the highest attention of government department and linked groups, and into
For the matter of utmost importance of 21 century resource environment.Simultaneously as the lifting of people's living standard, people are to quality of life requirement
Higher and higher, water makees most basic element for people's lives, it whether there is the environmental problem that problem is paid close attention to the most into the common people
One of.In order to ensure being required with water for people, various water environment detection evaluation criterions are put into effect both at home and abroad at present, by water ring
Each section in border, the detection evaluation of each functional areas, formulate the measures of protection water environment.
In the detection appraisal of water environment, at present mainly by report form, to the water quality of each section, each functional areas
Inspection result illustrates, and traditional Information Statistics mode bandwagon effect is bad, and on the one hand displaying is not directly perceived enough, on the other hand not
Easily find out the relevance of water environment between each section, and the development of information technology is expected to provide solution party to the displaying of water environmental problems
Case, and support the proposition of water environment treatment measure.Specifically existing water environment information methods of exhibiting has the following disadvantages：
1st, the displaying of monitoring water environment result is carried out only by report form, not enough intuitively, for just contacting correlation
The staff of affairs can not be of overall importance the current water environmental problems of understanding distribution situation.
2nd, correlation predictive is made in the change that existing monitoring water environment result exhibition method is unfavorable for following water environment, can not
It is proposed to water environmental problems control measures provides dependent help.
The content of the invention
The purpose of the present invention is be foundation catchment environmental problem displaying, water environmental problems treatment measures with reference to etc. function in
One the water environment information methods of exhibiting and system based on grid dynamic play, auxiliary water environmental monitoring control personnel and
When grasp current administrative regional water environmental problems distribution, according to the actual conditions of the whole district, carried for the proposition of relevant treatment measure
For Informational support, and then General Promotion water environment monitoring service ability.
To achieve the above object, the technical scheme is that：A kind of water environment information exhibition based on grid dynamic play
Show method, include the following steps,
Step S1：Based on water level-flow velocity relation, river section hydrology data are analyzed, build river water evolution model：According to history number
According to or by arrange monitoring point in section, velocity flow profile feelings of the key point position under different water level conditions in section are monitored
Condition, obtains river section hydrology data, further by measuring, analyzing, builds river water evolution model；
Step S2：Dynamics water quality is carried out for river actual conditions, and assigns and different represents color：For evaluation of river water quality
The accident occurred in standard or river, is classified river water water quality, and carries out color to the water quality of every kind of grade
Imparting, by color, represent the water quality situation of Different Waters；
Step S3：Mesh generation is carried out to section, section is subjected to pixelation processing：According to point of monitoring point in step S1
Cloth and to the monitoring result of section or according to historical data monitoring result, by definition unit surface elemant lattice, to whole section of river
Flowing water face carries out pixelation division, and the cellar area of cell need to meet within the unit interval, the water quality condition one in cell
Cause；
Step S4：By analyzing river water evolution model, by river water evolution model combination water body concrete condition, water environment is carried out
Variation prediction is analyzed；
Step S5：Binding time axis promotes and step S4 analysis results, determines the changed trigger point of water quality, works as hair
During changing, the switching to representing color is realized, and the superposition displaying of data is realized based on GIS platform；
Step S6：By Chosen Point, the prediction to the contamination time is realized, the prediction to pollution course.
In an embodiment of the present invention, the key point position in the step S1 includes the flex point in river, river riverbed slope
The location point that drop, river water surface width fast-changing location point, mainstream and tributary cross.
In an embodiment of the present invention, it is divided into 6 grades, and corresponding color at different levels point in the step S2 to river water water quality
It is not：I- bluenesss；II- greens；III- yellow；IV- is red；V- purples；Bad V- black.
In an embodiment of the present invention, in the step S2, the accident is chemical spills, according to certain face
The amount of contained chemical substance in ponding body, classifies water quality grade, and carries out color tax to the water quality of every kind of grade
Give, by color, represent the influence degree of the contaminated thing of Different Waters.
In an embodiment of the present invention, the hydro-environmental change forecast analysis mode in the step S4 is specific according to water body
Situation, is divided into following two：
（1）Under river normal flow：By the analysis to river water evolution model, with reference to current level, water quality monitoring
As a result, judging to pass through several unit interval, whether each unit lattice water quality can change；
（2）River occurs under emergency circumstances：According to the solubility of material, with reference to river water evolution model, formed various
The diffusion velocity model of material, the details of point occur with reference to current level monitoring result and pollutant, if judging to pass through
Dry unit interval, the concentration diffusion of each unit lattice material.
In an embodiment of the present invention, the step S6 is specifically, by prediction, background data base will form and be based on the time
The change on monitoring water environment achievement for changing and producing, on the one hand can pass through GIS and carry out dynamic play pollutant diffusion
Process, on the other hand, user can pass through compression time axis, dynamical output by specifying a point on the map of river section
This can produce the change procedure curve of water quality condition in time shaft each point, realize the quick deduction of change of water quality.
Present invention also offers a kind of water environment information display systems based on grid dynamic play, including river water evolution mould
Pattern block, displaying setup module, forecast analysis module, time control module, information display module and report figure output module；
The river water evolution model module is based on water level and flow velocity by the analysis to historical data or monitoring data, acquisition
Relation, realizes the mathematical model that river water evolution process is predicted by water level value；
It is described displaying setup module be used for realization water grade is divided or the concentration of water pollutant carry out grade
Division, and configure different colors for each grade and carry out representative explanation；
The forecast analysis module is based on river water evolution model, with reference to current level, water quality monitoring as a result, forecast analysis passes through
After spending several unit interval, the situation of change of each unit lattice water quality；
The time control module realizes that the acceleration of time promotes so that following a period of time can pass through pressure in systems
Contracting, realizes quick deduce；
Described information display module is realized to the mesh generation management of section and figure layer displaying management, wherein mesh generation pipe
Section is mainly carried out pixelation processing by reason, it is desirable to is met within the unit interval, the water quality condition of single pixel is consistent；Figure layer
Displaying is managed and mainly realized by the section map overlay after gridding in GIS platform, and according to displaying setup module, to each list
First lattice, color filling is carried out according to the water quality information of monitoring or prediction, the same time can by time control module, according to it is different when
Between put trigger element lattice discoloration event, complete section water quality condition change displaying process；
The report figure output module selectes specified point based on user, the change of water quality that this is occurred with time control module
Information is to report diagram form to be exported.
In an embodiment of the present invention, further include material diffusion velocity model, the model be conjugate solubility with
And the prediction algorithm of the various material diffusion velocities of river water evolution model formation, by material diffusion model, it can predict river
The spread condition of pollutant during middle pollution emergency event.
Compared to the prior art, the invention has the advantages that：
1st, the uninteresting prediction result data form exhibition method of abandoning tradition of the present invention, by contamination in river or
The grid dynamic of water quality condition change is deduced, and preferably grasps river water environment future overall development trend, and then determine for correlation
The formulation of plan measure provides Informational support basis；
2nd, the prediction result dynamical output of the invention based on single-point, can effectively hold each material time point, under river
The related personnel of trip makes early warning in time, ensures the development of its related prevention work, and then reduces hydro-environmental change and it is produced
The harmful effect that life is brought；
3rd, after present system is directed to the analysis and evaluation of local hydrographic data in early period, that is, the displaying achievement of maturation is established,
Staff need not consider local Hydrological characteristics again in decision-making work, consequently, it is possible to breach staff place of working
Limitation, can directly be made decisions when supervising new section by checking for multidate information.
Brief description of the drawings
Fig. 1 is the water environment information methods of exhibiting flow chart of 1 grid dynamic play of the embodiment of the present invention.
Fig. 2 is the water environment information methods of exhibiting flow chart of 2 grid dynamic play of the embodiment of the present invention.
Fig. 3 is water environment information display systems Fig. 1 of grid dynamic play of the present invention.
Fig. 4 is water environment information display systems Fig. 2 of grid dynamic play of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
Embodiment 1
As described in Figure 1, a kind of water environment information methods of exhibiting based on grid dynamic play of the invention, specifically include as
Lower step,
Step 1：Based on water level-flow velocity relation, river section hydrology data are analyzed, build river water evolution model
Based on historical data or by being monitored an arrangement in section, the acquisition to River Hydrology data is realized.By
In river flow by the speed that influences each other between the direct diffusion levels for determining water pollutant and different quality water body, therefore
It should be understood that in river each point flow velocity, the flow velocity of river each point influenced by riverbed, water level etc., it is therefore desirable to by history number
According to analysis or the arrangement by monitoring point, understand section in each key point（The flex point in such as river, river gradient of river bed, river
Location point that road water surface width fast-changing location point, mainstream and tributary cross etc.）Under different water levels, its velocity flow profile feelings
Condition, by analyzing or measuring, builds river water evolution model, realizes the prediction to hydro-environmental change process.
Step 2：Dynamics water quality is carried out for river actual conditions, and assigns and different represents color
Classify for the requirement of evaluation of river water quality standard to the water grade in river, and to the water quality of every kind of grade
The imparting of color is carried out, by color, represents the water quality situation of Different Waters.
In the present embodiment, 6 grades are divided into river water water quality, and corresponding color at different levels is respectively：I- bluenesss；II- greens；
III- yellow；IV- is red；V- purples；Bad V- black.
Step 3：Mesh generation is carried out to section, section is subjected to pixelation processing
According to the monitoring result of monitoring point in step 1 or the distribution situation of historical data monitoring result data, pass through definition
Cellar area cell, carries out the whole section of river water surface pixelation division, and cellar area is determined according to actual, it is desirable to is met in list
In the time of position, the water quality condition in cell is all substantially than more consistent
Step 4：By analyzing river water evolution model, by river water evolution model combination water body concrete condition, water environment is carried out
Variation prediction is analyzed
By the analysis to river water evolution model, with reference to current level, water quality monitoring as a result, judging to pass through several units
Whether time, each unit lattice water quality can change.For example, if water quality were bad 5 class in the cell of upstream, downstream units lattice
Interior water quality is 2 classes, with the propulsion of time, would necessarily affect downstream, the water quality of upstream can be gradual with the supplement at water source
Become good, specifically, with reference to current water level monitoring as a result, according to river water evolution model, judging upstream, when that can become 5 classes
When water, that of downstream can become 3 class water and be predicted.
Step 5：Binding time axis promotes and step 4 analysis result, determines the changed trigger point of water quality, works as hair
During changing, the switching to representing color is realized, and the superposition displaying of data is realized based on GIS platform.
For example, original cell is green, two class water are represented, according to predicted time, are become when being advanced to prediction water quality
During the time point of change, cell is switched to yellow, represents three classes water.The water environment information of section is overlapped based on GIS platform
Displaying, since with the propulsion of time, the cell of upstream can become clean by water body therewith, the cell in downstream can therewith by
The influence of water environment time, integrally shows and shows the dynamic menu that pollutant is spread therewith.
Step 6：By Chosen Point, the prediction to the contamination time is realized, the prediction to pollution course
By prediction, background data base will form the change on monitoring water environment achievement produced based on time change
Change, dynamic play pollutant diffusion process on the one hand can be carried out by GIS, on the other hand, user can be by map
Specify a point, the dynamical output point by when putting and can produce the change procedure curve of water quality condition, so may be used respectively
To notify the staff of river section carries out strick precaution in advance before the time point of change to prepare in time.
Embodiment 2：
As shown in Fig. 2, the present invention a kind of water environment information methods of exhibiting based on grid dynamic play, specifically include as
Lower step,
Step 1：Based on water level-flow velocity relation, river section hydrology data are analyzed, build river water evolution model
Based on historical data or by being monitored an arrangement in section, the acquisition to River Hydrology data is realized, by
In river flow by the speed that influences each other between the direct diffusion levels for determining water pollutant and different quality water body, therefore
It should be understood that in river each point flow velocity, the flow velocity of river each point influenced by riverbed, water level etc., it is therefore desirable to by history number
According to analysis or the arrangement by monitoring point, understand section in each key point（The flex point in such as river, river gradient of river bed, river
Location point that road water surface width fast-changing location point, mainstream and tributary cross etc.）Under different water levels, its velocity flow profile feelings
Condition, by analyzing or measuring, builds river water evolution model, realizes the prediction to hydro-environmental change process.
Step 2：Dynamics water quality is carried out for river actual conditions, and assigns and different represents color
For the accident occurred in river, river water water quality is classified, e.g., chemical spills occur,
According to the amount of contained chemical substance in certain area water body, classify to water quality grade, and to the water quality of every kind of grade
Color imparting is carried out, by color, represents the influence degree of the contaminated thing of Different Waters.
In the present embodiment, 6 grades are divided into river water water quality, and corresponding color at different levels is respectively：I- bluenesss；II- greens；
III- yellow；IV- is red；V- purples；Bad V- black.
Step 3：Mesh generation is carried out to section, section is subjected to pixelation processing
According to the density of monitoring point in step 1 and monitoring result or the distribution situation of historical data monitoring result numeral,
By definition unit surface elemant lattice, pixelation division is carried out to the whole section of river water surface, cellar area is determined according to actual, it is desirable to
Meet within the unit interval, the water quality condition in cell is all than more consistent
Step 4：By analyzing river water evolution model, by river water evolution model combination water body concrete condition, water environment is carried out
Variation prediction is analyzed
According to the solubility of material, with reference to river water evolution model, the diffusion velocity models for covering materials are formed, with reference to current more
The details of point occur for water level monitoring result and pollutant, and judgement is passed through several unit interval, each unit lattice material
Concentration diffusion.For example, if pollution emergency event occurs in the cell of upstream, downstream cell is currently temporary transient also not
It is affected by it, but with the propulsion of time, will necessarily be affected, the diffusion velocity model and water level monitoring mould of conjugate
Type, predicts when that the water body in downstream units lattice can be affected.
Step 5：Binding time axis promotes and step 4 analysis result, determines the changed trigger point of water quality, works as hair
During changing, the switching to representing color is realized, and the superposition displaying of data is realized based on GIS platform.
For example, original cell is green, two class water are represented, according to predicted time, are become when being advanced to prediction water quality
During the time point of change, cell is switched to yellow, represents three classes water.The water environment information of section is overlapped based on GIS platform
Displaying, since with the propulsion of time, the cell of upstream can become clean by water body therewith, the cell in downstream can therewith by
The influence of water environment time, integrally shows and shows the dynamic menu that pollutant is spread therewith.
Step 6：By Chosen Point, the prediction to the contamination time is realized, the prediction to pollution course
By prediction, background data base will form the change on monitoring water environment achievement produced based on time change
Change, dynamic play pollutant diffusion process on the one hand can be carried out by GIS, on the other hand, user can be by map
Specify a point, the dynamical output point by when putting and can produce the change procedure curve of water quality condition, so may be used respectively
To notify the staff of river section carries out strick precaution in advance before the time point of change to prepare in time.
As shown in figure 3, present invention also offers a kind of water environment information display systems based on grid dynamic play, including
River water evolution model module, displaying setup module, forecast analysis module, time control module, information display module and report figure are defeated
Go out module；
The river water evolution model module is based on water level and flow velocity by the analysis to historical data or monitoring data, acquisition
Relation, realizes the mathematical model that river water evolution process is predicted by water level value；
It is described displaying setup module be used for realization water grade is divided or the concentration of water pollutant carry out grade
Division, and configure different colors for each grade and carry out representative explanation；
The forecast analysis module is based on river water evolution model, with reference to current level, water quality monitoring as a result, forecast analysis passes through
After spending several unit interval, the situation of change of each unit lattice water quality；
The time control module realizes that the acceleration of time promotes so that following a period of time can pass through pressure in systems
Contracting, realizes quick deduce；
Described information display module is realized to the mesh generation management of section and figure layer displaying management, wherein mesh generation pipe
Section is mainly carried out pixelation processing by reason, it is desirable to is met within the unit interval, the water quality condition of single pixel is consistent；Figure layer
Displaying is managed and mainly realized by the section map overlay after gridding in GIS platform, and according to displaying setup module, to each list
First lattice, color filling is carried out according to the water quality information of monitoring or prediction, the same time can by time control module, according to it is different when
Between put trigger element lattice discoloration event, complete section water quality condition change displaying process；
The report figure output module selectes specified point based on user, the change of water quality that this is occurred with time control module
Information is to report diagram form to be exported.
As shown in figure 4, present system still further comprises material diffusion velocity model, which is the molten of conjugate
The prediction algorithm for the various material diffusion velocities that solution degree and river water evolution model are formed, can be pre- by material diffusion model
The spread condition of pollutant when surveying pollution emergency event in river.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (7)
- A kind of 1. water environment information methods of exhibiting based on grid dynamic play, it is characterised in that：Include the following steps,Step S1：Based on water level-flow velocity relation, river section hydrology data are analyzed, build river water evolution model：According to historical data or By arranging monitoring point in section, velocity flow profile situation of the key point position under different water level conditions in section is monitored, is obtained River section hydrology data are taken, further by measuring, analyzing, build river water evolution model；Step S2：Dynamics water quality is carried out for river actual conditions, and assigns and different represents color：For evaluation of river water quality standard Or the accident occurred in river, river water water quality is classified, and the tax of the water quality progress color to every kind of grade Give, by color, represent the water quality situation of Different Waters；Step S3：Mesh generation is carried out to section, section is subjected to pixelation processing：According to the distribution of monitoring point in step S1 and Monitoring result to section or according to historical data monitoring result, by definition unit surface elemant lattice, to whole section of river water Face carries out pixelation division, and the cellar area of cell need to meet within the unit interval that the water quality condition in cell is consistent；Step S4：By analyzing river water evolution model, by river water evolution model combination water body concrete condition, hydro-environmental change is carried out Forecast analysis；Step S5：Binding time axis promotes and step S4 analysis results, the changed trigger point of water quality is determined, when becoming During change, the switching to representing color is realized, and the superposition displaying of data is realized based on GIS platform；Step S6：By Chosen Point, the prediction to the contamination time is realized, the prediction to pollution course；In the step S1 Key point position include flex point, river gradient of river bed, river water surface width fast-changing location point, mainstream and the branch in river The location point that stream crosses.
- A kind of 2. water environment information methods of exhibiting based on grid dynamic play according to claim 1, it is characterised in that： It is divided into 6 grades in the step S2 to river water water quality, and corresponding color at different levels is respectively：I- bluenesss；II- greens；III- is yellow Color；IV- is red；V- purples；Bad V- black.
- A kind of 3. water environment information methods of exhibiting based on grid dynamic play according to claim 1, it is characterised in that： In the step S2, the accident is chemical spills, right according to the amount of contained chemical substance in certain area water body Water quality grade is classified, and carries out color imparting to the water quality of every kind of grade, by color, is represented Different Waters and is got dirty Contaminate the influence degree of thing.
- A kind of 4. water environment information methods of exhibiting based on grid dynamic play according to claim 1, it is characterised in that： Hydro-environmental change forecast analysis mode in the step S4, according to water body concrete condition, is divided into following two：（1）Under river normal flow：By the analysis to river water evolution model, with reference to current level, water quality monitoring as a result, Several unit interval are passed through in judgement, and whether each unit lattice water quality can change；（2）River occurs under emergency circumstances：According to the solubility of material, with reference to river water evolution model, various materials are formed Diffusion velocity model, the details of point occur with reference to current level monitoring result and pollutant, judgement passes through several Unit interval, the concentration diffusion of each unit lattice material.
- A kind of 5. water environment information methods of exhibiting based on grid dynamic play according to claim 1, it is characterised in that： The step S6 specifically, by prediction, background data base formed produced based on time change on monitoring water environment into The change of fruit, on the one hand can by GIS carry out dynamic play pollutant diffusion process, on the other hand, user can by Chosen Point on the map of river section, by compression time axis, this of dynamical output can produce water quality condition in time shaft each point Change procedure curve, realizes the quick deduction of change of water quality.
- A kind of 6. water environment information display systems based on grid dynamic play, it is characterised in that：Including river water evolution model mould Block, displaying setup module, forecast analysis module, time control module, information display module and report figure output module；The river water evolution model module is obtained and closed based on water level and flow velocity by the analysis to historical data or monitoring data System, realizes the mathematical model that river water evolution process is predicted by water level value；It is described displaying setup module be used for realization water grade is divided or the concentration of water pollutant carry out grade classification, And configure different colors for each grade and carry out representative explanation；The forecast analysis module is based on river water evolution model, if with reference to current level, water quality monitoring as a result, forecast analysis is passed through After dry unit interval, the situation of change of each unit lattice water quality；The time control module realizes that the acceleration of time promotes so that following a period of time in systems can by compression, Realize quick deduce；Described information display module is realized is to the mesh generation management of section and figure layer displaying management, wherein mesh generation management Section is subjected to pixelation processing, it is desirable to meet within the unit interval, the water quality condition of single pixel is consistent；Figure layer displaying management Realize by the section map overlay after gridding in GIS platform, and according to displaying setup module, to each unit lattice, according to prison Survey or the water quality information of prediction carries out color filling, the same time can be controlled by time control module, according to different time points The discoloration event of trigger element lattice, completes section water quality condition change displaying process；The report figure output module selectes specified point based on user, the change of water quality information that this is occurred with time control module To report diagram form to be exported.
- A kind of 7. water environment information display systems based on grid dynamic play according to claim 6, it is characterised in that： Material diffusion velocity model is further included, the various materials that the solubility and river water evolution model of the models coupling material are formed expand The prediction algorithm of speed is dissipated, by material diffusion model, the spread condition of pollutant when predicting pollution emergency event in river.
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| CN112684134B (en) * | 2020-12-18 | 2022-02-11 | 江苏省苏力环境科技有限责任公司 | Water environment analysis method, system, terminal and storage medium based on correlation analysis |
| CN113656398B (en) * | 2021-07-06 | 2024-09-03 | 中铁建港航局集团勘察设计院有限公司 | Grid dynamic display method, system and medium for channel information data content |
| CN113688548A (en) * | 2021-08-20 | 2021-11-23 | 北京软通智慧科技有限公司 | A method, device, electronic device and storage medium for simulating and deducing river water level |
| CN115455253B (en) * | 2022-08-26 | 2024-07-05 | 深圳市生态环境智能管控中心 | Management and emergency module and method of intelligent environment-friendly platform drinking water source management system |
| CN117782205A (en) * | 2023-12-18 | 2024-03-29 | 甘肃省武威生态环境监测中心 | River channel environment detection system and early warning method |
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