CN114460256A - Water pollution diagnosis method based on satellite image analysis - Google Patents
Water pollution diagnosis method based on satellite image analysis Download PDFInfo
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- CN114460256A CN114460256A CN202210154856.9A CN202210154856A CN114460256A CN 114460256 A CN114460256 A CN 114460256A CN 202210154856 A CN202210154856 A CN 202210154856A CN 114460256 A CN114460256 A CN 114460256A
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Abstract
The invention discloses a water pollution diagnosis method based on satellite image analysis, which relates to the technical field of water pollution detection and comprises the steps of S1 ground detector arrangement, S2 water area contour line confirmation, S3 water level line height change confirmation, S4 pollution range and pollution degree confirmation, S5 rainfall pollution amount confirmation, S6 water body purification pollution amount time period confirmation, S7 water level height real-time prediction and S8 artificial intelligence data analysis. The invention judges the water area contour line, the diving flow direction, the water level line height change period, the water pollution amount and the pollution range through the satellite image, and improves the detection precision by being assisted with the ground detector, thereby effectively improving the reading precision of the satellite on the water flow data of the detected water area, and after the satellite acquires meteorological data, the difference value of the water amount and the pollution amount in a river section can be calculated before and after raining, so as to accurately calculate the quantitative calculation of the river pollution amount, the pollution range and the influence time of raining, and make up for the technical vacancy in the field.
Description
Technical Field
The invention relates to the technical field of water pollution detection, in particular to a water pollution diagnosis method based on satellite image analysis.
Background
Water pollution is water that causes a reduction or loss in the use value of water due to harmful chemicals, and pollutes the environment. Acid, alkali and oxidant in sewage, compounds such as copper, cadmium, mercury and arsenic, and organic poisons such as benzene, dichloroethane and ethylene glycol can kill aquatic organisms to influence drinking water sources and scenic spots, oxygen in the sewage is consumed when the organic matters are decomposed by microorganisms to influence the lives of the aquatic organisms, after dissolved oxygen in the water is exhausted, the organic matters are subjected to anaerobic decomposition to generate unpleasant gases such as hydrogen sulfide and mercaptan, so that the water quality is further deteriorated, and chemical substances for water pollution can flow into rivers along with various forms such as rainfall, waste water discharge and domestic garbage landfill, so that river water is polluted.
The pollution of rainfall non-point sources to rivers, lakes and seas has no quantitative calculation of pollution amount, pollution range and influence time all the time, and the satellite photo is used as a public resource, so that how to fully utilize the satellite photo and provide service for the national civilians is a great demand of satellite launching.
Disclosure of Invention
The present invention is directed to a water pollution diagnosis method based on satellite image analysis, so as to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the water pollution diagnosis method based on satellite image analysis comprises a rod body and a signal transmitter, wherein a base is arranged on the outer side of the bottom of the rod body, a threaded rod is connected to the periphery of the outer side of the base, a fixed drill bit is arranged on the outer side of the bottom of the threaded rod, a conducting wire is connected to the surface of the outer side of the rod body, the tail end of the conducting wire is connected with a buoy, a positioning sensor is arranged at the top of the buoy, a water quality monitor is connected to the middle end of the outer side of the rod body, a water pumping pipe is connected to the outer end of the water quality monitor, a micro water pump is connected to the outer side of the water pumping pipe, a water pumping port is formed in the tail end of the water pumping pipe, a fixing base is connected to the outer side of the top of the rod body, a solar panel is arranged at the right end of the fixing base, a camera is connected to the left end of the outer side of the fixing base, and the signal transmitter is arranged at the top end of the rod body.
S1, arranging a ground detector:
the base of the ground detector is contacted with the ground beside the river channel, the fixed drill bit is screwed into the ground, the ground detector is fixed, and the buoy and the water pumping pipe are placed in water to complete the arrangement of the ground detector.
S2, water area contour line confirmation:
the satellite carries out satellite image analysis and judgment on the landform around the river, the altitude of the water area is determined, the contour line of the water area is calculated, the satellite reads the altitude of the river, the river flow direction can be judged by confirming the contour line of the river, and the satellite can judge the diving of both sides of the river when observing the landform.
S3, confirming the height change of the water level line:
the satellite photographs the designated river basin of the river over time to determine the change of the water level height of the water area in different time periods, so as to calculate the water volume change of the river.
S4, confirming the pollution range and the pollution degree:
the satellite detects the color of the water body within a certain range, and the pollution degree and the pollutant dispersion range of the current water area can be judged by confirming the color of the water body and the dispersion range of the color and assisting the calculation of the measured water area contour line and the measured diving flow direction.
S5, confirming the pollution amount caused by rainfall:
the satellite can collect the water volume and pollution amount information in the river reach before and after rainfall according to meteorological data, and the pollution amount brought into the water body by a rainfall can be determined by comparing the difference value of the water volume and the pollution amount in the river reach before and after rainfall.
S6, confirming the time period of the water purification pollution amount:
and determining the time period of the water body purification pollution amount according to satellite image recognition.
Furthermore, the positioning sensor is electrically connected with the signal emitter through a conducting wire, and the positioning sensor is fixedly connected with the buoy.
S7, real-time forecasting of water level height:
according to river section data monitored by a ground detector, the water level of the river section can be carefully detected, the limit water level of the river section can be calculated by matching with double detection of a satellite image and the ground detector, when the satellite detects rain according to meteorological data, the satellite can judge whether the height of the river water level reaches a flood breaking point or not according to the height of the water level, and after the water level reaches a warning point, the satellite can send a refuge signal to a flood prevention center of the river section to remind surrounding residents to refuge.
S8, artificial intelligence data analysis:
according to the comparison data of the analysis result of the satellite monitoring image and the actual result of the ground monitoring system, a knowledge base which is managed by artificial intelligence and corresponds to the change conditions of climate, light and water flow velocity can be established, and the diagnosis result of the system can be more and more accurate by the big data analysis in cooperation with the self-learning of the artificial intelligence.
Furthermore, the pumping port is communicated with a water quality monitor through a pumping pipe, and the water quality monitor is connected with the rod body in a welding mode.
Further, in the step S1, the arrangement distance between the ground detectors is set to five kilometers.
Further, in the step S2, the satellite reads the elevation of the river by one kilometer.
Further, in the step S3, the satellite detects the water level of the water area every six hours.
Further, in the step S4, the satellite detects the color of the water body in the range every two hours.
Further, in the step S4, the satellite performs water quality monitoring with the ground detector as a center point and with a radius of 2.5 km.
Further, in the step S6, after the satellite image is shot to indicate the water pollution, the interval between the detection of the water pollution is changed from the original two hours to half an hour.
The invention provides a water pollution diagnosis method based on satellite image analysis, which has the following beneficial effects:
1. the invention can judge the water area contour line, the diving flow direction, the height change period of the water level line, the water pollution amount and the pollution range through the satellite image, and is assisted with the ground detector to improve the detection precision, thereby effectively improving the reading precision of the satellite on the water flow data of the detected water area, after the satellite acquires meteorological data, calculating the difference value of the water amount and the pollution amount in the river section before and after raining to accurately calculate the quantitative calculation of the river pollution amount, the pollution range and the influence time of raining, making up the technical vacancy in the field, and effectively judging the relation between the factors and the water self-cleaning capacity through the water area water level contour line, the diving flow direction and the river water level expansion of the satellite.
The invention can finely detect the water level of the river reach according to the river reach data monitored by the ground detector, can calculate the limit water level of the river reach by matching with the dual detection of the satellite image and the ground detector, can judge whether the river water level height reaches a flood breaking point according to the water level height when the satellite detects rain according to meteorological data, and can send a refuge signal to a flood prevention center of the river reach to remind surrounding residents to refuge after the water level reaches a warning point.
Drawings
Fig. 1 is a schematic structural diagram of a ground detector of a water pollution diagnosis method based on satellite image analysis.
In the figure: 1. a rod body; 2. a base; 3. a threaded rod; 4. fixing a drill bit; 5. a conductive line; 6. a float; 7. a positioning sensor; 8. a water quality monitor; 9. a water pumping pipe; 10. a micro water pump; 11. a water pumping port; 12. a fixed seat; 13. a solar panel; 14. a camera; 15. a signal emitter.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a water pollution diagnosis method based on satellite image analysis comprises a rod body 1 and a signal emitter 15, wherein a base 2 is arranged on the outer side of the bottom of the rod body 1, and the periphery of the outer side of the base 2 is connected with a threaded rod 3, the outer side of the bottom of the threaded rod 3 is provided with a fixed drill bit 4, the outer side surface of the rod body 1 is connected with a conducting wire 5, the tail end of the conducting wire 5 is connected with a buoy 6, the top of the buoy 6 is provided with a positioning sensor 7, the middle end of the outer side of the rod body 1 is connected with a water quality monitor 8, the outer end of the water quality monitor 8 is connected with a water pumping pipe 9, the outer side of the water pumping pipe 9 is connected with a micro water pump 10, the tail end of the water pumping pipe 9 is provided with a water pumping port 11, the outer side of the top of the rod body 1 is connected with a fixed seat 12, and the right-hand member of fixing base 12 is provided with solar panel 13, and the outside left end of fixing base 12 is connected with camera 14, and signal emitter 15 settles on the top of the body of rod 1.
S1, arranging a ground detector:
S2, water area contour line confirmation:
satellite image analysis and judgment are carried out on landforms around the river by the satellite, the elevation of the water area is determined, the contour line of the water area is calculated, the satellite reads the elevation of the river at intervals of one kilometer, the river flow direction can be judged by confirming the contour line of the river, the submarine flow directions on two sides of the river can be judged by the satellite when the landforms are observed, if the submarine flow directions converge towards the river, the river water is replenished by diving, if the submarine flow directions separate towards the river, the river water is replenished to diving, the replenishing relation between the river water and the river water around the river can be judged by judging the submarine flow directions, meanwhile, the elevation where the satellite is located is detected by the positioning sensor 7 of the ground detector and is transmitted to the satellite through the signal transmitter 15, so that the satellite can accurately judge the elevation height, meanwhile, the camera 14 of the ground detector can shoot, and the submarine flow directions can be better judged, in addition, the satellite can be verified according to the landform detection result of the ground detector to judge whether the landform detection result of the satellite detector is correct, if the comparison result has a large error, the satellite detector can carry out detailed survey on the landform in the distance section, and regenerate a contour line and judge the flow direction of the submerged water, so that the detection precision of the satellite is improved.
S3, confirming the height change of the water level line:
the satellite shoots the designated river basin of the river along with the time to determine the change of the water level height of the water area in different time periods, so as to calculate the water volume change of the river, the satellite detects the water level height of the water area every six hours to judge the change situation and change rule of the water level of the water area, meanwhile, the satellite system can classify the collected data according to the month and the season and compare and research the month and season data so as to judge whether the water level height situation of the tested water area changes along with the month and the season, and meanwhile, the ground detector can position the water area altitude at the position through a positioning sensor 7 arranged on a buoy 6 so as to assist in confirming whether the altitude is correct.
S4, confirming the pollution range and the pollution degree:
the satellite detects the color of the water body in the range by taking the ground detector as a central point and taking 2.5 kilometers as a radius every two hours, the current pollution degree and the pollutant dispersion range of the water body can be judged by confirming the color and the dispersion range of the color of the water body and assisting the calculation of the measured water body contour line and the measured diving flow direction, in addition, in the process of satellite detection, the color of the water body can be distinguished through a spectrograph, the water color distinguished through the spectrograph can assist the identification of the pollution amount of the water body, a micro water pump 10 of the ground detector works, the water body in a river can be sucked into a water pumping pipe 9 through a water pumping port 11, the water pollution condition of the water flow area section is detected through a water quality monitor 8, and the satellite can assist the judgment of the pollution degree of the water area end through the water quality monitor 8 because the ground detector is positioned at the central position of the satellite detection point, the detection precision of the satellite image is improved, the spectrum recognition result is corrected through the data uploaded by the water quality monitor 8 through the spectrometer, and the pollution degree can be judged through the water color through the spectrometer through the data collection and the data adjustment of the spectrometer.
S5, confirming the pollution amount caused by rainfall:
the satellite can collect the water volume and pollution amount information in the river reach before and after rainfall according to meteorological data, and the pollution amount brought into the water body by a rainfall can be determined by comparing the difference value of the water volume and the pollution amount in the river reach before and after rainfall.
S6, confirming the time period of the water purification pollution amount:
the time period of the water body purifying pollution amounts is determined according to satellite image recognition, after the satellite images shoot the water body pollution, the interval of detecting the water body pollution is changed from two hours to half an hour, the period of purifying the water body pollution can be effectively confirmed by accelerating the detection interval, and in addition, the relation between the factors and the water body self-cleaning capacity can be effectively judged by matching with the water body water level contour line, the submerged water flow direction and the river water level rising amplitude measured by the satellite.
S7, real-time forecasting of water level height:
according to river section data monitored by a ground detector, the water level of the river section can be carefully detected, the limit water level of the river section can be calculated by matching with double detection of a satellite image and the ground detector, when the satellite detects rain according to meteorological data, the satellite can judge whether the height of the river water level reaches a flood breaking point or not according to the height of the water level, and after the water level reaches a warning point, the satellite can send a refuge signal to a flood prevention center of the river section to remind surrounding residents to refuge.
S8, artificial intelligence data analysis:
according to the comparison data of the analysis result of the satellite monitoring image and the actual result of the ground monitoring system, a knowledge base which is managed by artificial intelligence and corresponds to the change conditions of climate, light and water flow velocity can be established, and the diagnosis result of the system can be more and more accurate by the big data analysis in cooperation with the self-learning of the artificial intelligence.
The specific implementation scheme is as follows:
embodiment one, reading of data:
firstly, a base 2 of a ground detector is contacted with the ground beside a river channel, a fixed drill bit 4 is screwed into the ground to complete the fixation of the ground detector, and then a buoy 6 and a water pumping pipe 9 are placed in water to complete the placement of the ground detector;
then the ground detector works, the solar panel 13 at the outer end of the fixed seat 12 can supply power, meanwhile, the signal emitter 15 at the top end of the rod body 1 can transmit data shot by the positioning sensor 7, the water quality monitor 8 and the camera 14 to the satellite to assist the satellite in water pollution diagnosis, and in addition, the ground detector can be disassembled, and after research and diagnosis in a certain section of water area are finished, the ground detector can be disassembled and moved to other water areas for continuous use;
then the satellite analyzes and judges the landform around the river by satellite images, the altitude of the water area is determined, so that the contour line of the water area is calculated, the satellite reads the altitude of the river at intervals of one kilometer, the river flow direction can be judged by confirming the contour line of the river, the diving flow direction of the two banks of the river can be judged by the satellite when the landform is observed, meanwhile, the altitude of the satellite is detected by a positioning sensor 7 of a ground detector and is transmitted to the satellite by a signal transmitter 15, so that the altitude of the satellite can be accurately judged, and the diving flow direction can be better judged by shooting through a camera 14 of the ground detector;
the satellite can verify according to the landform detection result of the ground detector to judge whether the landform detection result of the satellite detector is correct, if the comparison result has a large error, the satellite detector can carry out detailed survey on the landform in the distance section, and regenerate a contour line and judge the flow direction of the submerged water, so that the detection precision of the satellite is improved;
the satellite shoots a designated river basin of the river along with time to determine the change of the water level height of the water area in different time periods, so as to calculate the water volume change of the river, the satellite detects the water level height of the water area every six hours to judge the change situation and change rule of the water level of the water area, meanwhile, the satellite system can classify the collected data according to months and seasons and compare and research the month and season data so as to judge whether the water level height situation of the tested water area changes along with the months and the seasons, and meanwhile, the ground detector can position the water area altitude of the position through a positioning sensor 7 arranged on a buoy 6 so as to assist in confirming whether the altitude is correct;
finally, every two hours, the satellite uses the ground detector as a central point and uses 2.5 kilometers as a radius to detect the color of the water body in the range, the current pollution degree and the current pollutant dispersion range of the water body can be judged by confirming the color and the dispersion range of the color of the water body and assisting the measured water body contour line and the measured diving flow direction to calculate, the water body in the river can be sucked into the water pumping pipe 9 through the water pumping port 11 by the operation of the miniature water pump 10 of the ground detector, and the water pollution condition of the water flow area section is detected by the water quality monitor 8.
Example two, application of data:
firstly, the satellite can collect the water volume and pollution amount information in a river section before and after rainfall according to meteorological data, and the pollution amount brought into the water body by a rainfall can be determined by comparing the difference value of the water volume and the pollution amount in the river section before and after the rainfall;
the satellite carries out image recognition to determine the time period of purifying the pollution amount of the water body, after the satellite images shoot the water body pollution, the interval of detecting the water body pollution is changed from two hours to half an hour, the period of purifying the pollutants by the water body can be effectively confirmed by accelerating the detection interval, and in addition, the relation between the factors and the self-cleaning capacity of the water body can be effectively judged by matching with the water body water level contour line, the submerged flow direction and the river water level expansion amplitude of the water body measured by the satellite;
and finally, carefully detecting the water level of the river reach according to river reach data monitored by a ground detector, calculating the limit water level of the river reach by matching dual detection of a satellite image and the ground detector, judging whether the river water level height reaches a flood breaking point or not according to the water level height by the satellite when the satellite detects rain according to meteorological data, and sending a refuge signal to a flood control center of the river reach by the satellite after the water level reaches a warning point to remind surrounding residents to refuge.
In conclusion, the satellite image analysis-based water pollution diagnosis method judges the water area contour line, the diving flow direction, the water level line height change period, the water pollution amount and the pollution range through the satellite image, improves the detection precision by being assisted with the ground detector, can effectively improve the reading precision of the satellite on the water flow data of the detected water area, can calculate the difference value of the water amount and the pollution amount in the river section before and after the satellite acquires meteorological data to accurately calculate the quantitative calculation of the river pollution amount, the pollution range and the influence time of the rain, makes up the technical vacancy in the field, and can effectively judge the relation between the factors and the water self-cleaning capacity through the water area water level contour line, the diving flow direction and the river water level fluctuation of the satellite.
Claims (9)
1. The water pollution diagnosis method based on satellite image analysis is characterized by comprising a rod body (1) and a signal transmitter (15), wherein a base (2) is arranged on the outer side of the bottom of the rod body (1), a threaded rod (3) is connected to the periphery of the outer side of the base (2), a fixed drill bit (4) is arranged on the outer side of the bottom of the threaded rod (3), a conducting wire (5) is connected to the surface of the outer side of the rod body (1), a buoy (6) is connected to the tail end of the conducting wire (5), a positioning sensor (7) is arranged at the top of the buoy (6), a water quality monitor (8) is connected to the middle end of the outer side of the rod body (1), a water pumping pipe (9) is connected to the outer end of the water pumping pipe (9), a micro water pump (10) is connected to the outer side of the water pumping pipe (9), and a water pumping port (11) is formed in the tail end of the water pumping pipe (9), the solar energy water heater is characterized in that a fixed seat (12) is connected to the outer side of the top of the rod body (1), a solar panel (13) is arranged at the right end of the fixed seat (12), a camera (14) is connected to the left end of the outer side of the fixed seat (12), and a signal emitter (15) is arranged on the top end of the rod body (1).
S1, arranging a ground detector:
the base (2) of the ground detector is contacted with the ground beside the river channel, the fixed drill bit (4) is screwed into the ground to complete the fixation of the ground detector, and the buoy (6) and the water pumping pipe (9) are placed in the water to complete the arrangement of the ground detector.
S2, water area contour line confirmation:
the satellite carries out satellite image analysis and judgment on the landform around the river, the altitude of the water area is determined, the contour line of the water area is calculated, the satellite reads the altitude of the river, the river flow direction can be judged by confirming the contour line of the river, and the satellite can judge the diving of both sides of the river when observing the landform.
S3, confirming the height change of the water level line:
the satellite photographs the designated river basin of the river over time to determine the change of the water level height of the water area in different time periods, so as to calculate the water volume change of the river.
S4, confirming the pollution range and the pollution degree:
the satellite detects the color of the water body within a certain range, and the pollution degree and the pollutant dispersion range of the current water area can be judged by confirming the color of the water body and the dispersion range of the color and assisting the calculation of the measured water area contour line and the measured diving flow direction.
S5, confirming the pollution amount caused by rainfall:
the satellite can collect the water volume and pollution amount information in the river reach before and after rainfall according to meteorological data, and the pollution amount brought into the water body by a rainfall can be determined by comparing the difference value of the water volume and the pollution amount in the river reach before and after rainfall.
S6, confirming the time period of the water purification pollution amount:
and determining the time period of the water body purification pollution amount according to satellite image recognition.
S7, real-time forecasting of water level height:
according to river section data monitored by a ground detector, the water level of the river section can be carefully detected, the limit water level of the river section can be calculated by matching with double detection of a satellite image and the ground detector, when the satellite detects rain according to meteorological data, the satellite can judge whether the height of the river water level reaches a flood breaking point or not according to the height of the water level, and after the water level reaches a warning point, the satellite can send a refuge signal to a flood prevention center of the river section to remind surrounding residents to refuge.
S8, artificial intelligence data analysis:
according to the comparison data between the analysis result of the satellite monitoring image and the actual result of the ground monitoring system, a knowledge base which is managed by artificial intelligence and corresponds to the change conditions of climate, light and water flow velocity can be established, and the diagnosis result of the system can be more and more accurate by matching the big data analysis with the self-learning of the artificial intelligence.
2. The method for diagnosing water pollution based on satellite image analysis as claimed in claim 1, wherein said positioning sensor (7) is electrically connected with the signal emitter (15) through a conducting wire (5), and the positioning sensor (7) is fixedly connected with the buoy (6).
3. The water pollution diagnosis method based on satellite image analysis according to claim 1, wherein the pumping port (11) is communicated with a water quality monitor (8) through a pumping pipe (9), and the water quality monitor (8) is welded with the rod body (1).
4. The method for diagnosing water pollution based on satellite image analysis according to claim 1, wherein the arrangement interval between the ground detectors is set to five kilometers in the step of S1.
5. The method for diagnosing water pollution according to claim 1, wherein in the step S2, the satellite reads the elevation of the river at a distance of one kilometer.
6. The method for diagnosing water pollution according to claim 1, wherein the satellite detects the water level of the water area every six hours in step S3.
7. The method for diagnosing water pollution according to claim 1, wherein the satellite detects the color of the water body within the range every two hours in step S4.
8. The method according to claim 1, wherein in the step S4, the satellite performs water quality monitoring with the ground detector as a center point and a radius of 2.5 km as a radius.
9. The method for diagnosing water pollution according to claim 1, wherein in the step S6, the interval between the detection of water pollution and the satellite images taken of the water pollution is changed from two hours to half an hour.
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