CN105261016A - Method for estimating and inverting rainfall of plateau region by using satellite cloud pictures - Google Patents
Method for estimating and inverting rainfall of plateau region by using satellite cloud pictures Download PDFInfo
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- CN105261016A CN105261016A CN201510656955.7A CN201510656955A CN105261016A CN 105261016 A CN105261016 A CN 105261016A CN 201510656955 A CN201510656955 A CN 201510656955A CN 105261016 A CN105261016 A CN 105261016A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10141—Special mode during image acquisition
- G06T2207/10152—Varying illumination
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30181—Earth observation
- G06T2207/30192—Weather; Meteorology
Abstract
The invention discloses a method for estimating and inverting the rainfall of a plateau region by using satellite cloud pictures. The method is implemented by a data storage module, an environment monitoring module, a data processing module, a data comprehensive processing module, and a data forecasting module. The data storage module collects and stores satellite cloud picture data and rainfall data and sends the satellite cloud picture data and the rainfall data to the environment monitoring module. The environment monitoring module collects monitored environmental data such as climate background and the like. The data processing module performs analytic statistic on the satellite cloud picture data, the rainfall data, and the environmental data, and then sends the satellite cloud picture data, the rainfall data, and the environmental data to the data comprehensive processing module. The data comprehensive processing module sends the satellite cloud picture data, the rainfall data, and the environmental data to the data forecasting module according to comprehensive comparison between historical satellite cloud picture data, historical rainfall data, and historical environmental data with the current cloud picture data and the current environmental data. The data forecasting module predicts and broadcasts the rainfall and the satellite cloud pictures can be estimated by an inversion method according to the rainfall.
Description
Technical field
The present invention relates to a kind of estimating system of rainfall amount, be specially and a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting.
Background technology
Precipitation is one of most important meteorological element, it not only occupies critical role in weather research, general circulation and climatic revolution, also be agricultural and hydrologic forecast in important factor, the precipitation of continuation can cause flash flood and waterlogging on a large scale, seriously threaten the people life, property safety.
The method of existing pinch-reflex ion diode amount is use rain gage and weather radar mostly, but its skewness, always cause the deviation in the assimilation of all spatial and temporal scales data of weather forecast, this is a very insoluble problem, so need a kind of better method of innovation to be used for pinch-reflex ion diode amount.
Summary of the invention
The object of the present invention is to provide and a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, comprise the data memory module for collecting storing satellite cloud atlas data and rainfall data, the environment monitoring module of the environmental datas such as the Climatic for collecting monitoring be connected with data memory module, be connected with environment monitoring module for according to satellite remote dada, rainfall data and environmental data carry out the data processing module of analytic statistics, be connected with data processing module for the aggregation of data processing module of historical rain fall and present satellite remote dada being carried out to comprehensive improvement contrast and the data prediction module for forecasting rain fall be connected with aggregation of data processing module, also comprise a kind of method of inverting: the value calculating each passage looked into by the calibration table that (1) gray-scale value applied in the case fetch channel data chosen contrasts each passage, (2) revised TBB value is obtained according to elevation effect correction table, (3) predictor (IR1 of 4 types is calculated, IR3, TBB alternating temperature, TBB spatial gradient, IR2-IR4 channel difference values), (4) by the Grid data of predictor and precipitation, the regression coefficient of bringing on each lattice point of multiple regression program computation is preserved, analyze in conjunction with correlation analysis.
As the present invention's further technical scheme, data memory module comprises: history rainfall storage unit, history cloud atlas storage unit, in real time cloud atlas storage unit.
As the present invention's further technical scheme, environment monitoring module comprises: history environment monitoring means, real time environment monitoring means.
As the present invention's further technical scheme, history rainfall storage unit is all connected with history environment monitoring means with history cloud atlas storage unit, and real-time cloud atlas storage unit is connected with real time environment monitoring means.
As the present invention's further technical scheme, data processing module comprises: Climatic Background Analysis unit, similar historical cloud atlas statistic unit, rainfall change trend analysis unit.
As the present invention's further technical scheme, obtain the relation of TBB value and precipitation according to historical summary.
As the present invention's further technical scheme, when Precipitation clouds development is vigorous, be often stretched over very high height, cloud top occurs that cloud anvil is to lopsidedness, and therefore the horizontal gradient of Black body temperature is also a valuable index weighing cloud system development and change
.
As the present invention's further technical scheme, because plateau system change is very fast, the alternating temperature value according to cloud-top temperature can judge the trend that cloud system develops at short notice in advance, thus judges that weather system is for period of expansion or extinction phase
.
The present invention collects storing satellite cloud atlas data and precipitation data by its data memory module, send it to environment monitoring module, the environmental datas such as the Climatic of monitoring are collected by environment monitoring module, send it to data processing module, data processing module is to satellite remote dada, rainfall data and environmental data carry out analytic statistics, then aggregation of data processing module is sent it to, aggregation of data processing module is according to historical satellite remote dada, rainfall data, environmental data and the satellite remote dada occurred now, environmental data carries out Comprehensive Correlation, send it to data prediction module again, data prediction module is carried out prediction to rain fall and is reported, and can be estimated according to quantity of precipitation by the method for inverting and satellite cloud picture, the value calculating each passage looked into by the calibration table that the gray-scale value applied in the case fetch channel data chosen contrasts each passage, then revised TBB value is obtained according to elevation effect correction table, calculate the predictor (IR1 of 4 types again, IR3, TBB alternating temperature, TBB spatial gradient, IR2-IR4 channel difference values), finally by the Grid data of predictor and precipitation, the regression coefficient of bringing on each lattice point of multiple regression program computation is preserved, analyze in conjunction with correlation analysis.
Accompanying drawing explanation
Fig. 1 is that a kind of satellite cloud picture that utilizes of the present invention is to the structured flowchart of the estimation of highlands quantity of precipitation and the method for inverting;
Fig. 2 is the structured flowchart of inversion method.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1-2, a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, comprise the data memory module for collecting storing satellite cloud atlas data and rainfall data, data memory module comprises:
History rainfall storage unit, can collect the data information of historical rainfall;
History cloud atlas storage unit, can collect historical satellite remote dada;
Real-time cloud atlas storage unit, can collect occurent satellite remote dada;
Environment monitoring module, it is connected with data memory module, and for collecting the environmental datas such as the Climatic of monitoring, and environment monitoring module specifically comprises:
History environment monitoring means, it is connected with history rainfall storage unit and history cloud atlas storage unit respectively, carries out the data of monitoring for collecting for historical rain fall;
Real time environment monitoring means, it is connected with real-time cloud atlas storage unit, carries out the data of monitoring for collecting for occurent satellite cloud picture and environment;
Data processing module, it is connected with environment monitoring module, and for carrying out analytic statistics according to satellite remote dada, rainfall data and environmental data, and data processing module specifically comprises:
Climatic Background Analysis unit, for analyzing occurent environmental data according to the environmental data that rain fall occurs in history;
Similar historical cloud atlas statistic unit, to the similar satellite cloud picture occurred now in statistical history;
Rainfall change trend analysis unit, for predicting the trend that rainfall occurs, calculates the differentiation of rain fall;
Aggregation of data processing module, it is connected with data processing module, for carrying out comprehensive contrast statistical study to all data informations;
Data prediction module, it is connected with aggregation of data processing module, reports for carrying out prediction according to the result of comparative analysis to rainfall data;
Also comprise a kind of inversion method: the value calculating each passage looked into by the calibration table that (1) gray-scale value applied in the case fetch channel data chosen contrasts each passage, (2) revised TBB value is obtained according to elevation effect correction table, (3) predictor (IR1 of 4 types is calculated, IR3, TBB alternating temperature, TBB spatial gradient, IR2-IR4 channel difference values), (4) by the Grid data of predictor and precipitation, the regression coefficient of bringing on each lattice point of multiple regression program computation is preserved, and analyzes in conjunction with correlation analysis.
The present invention is in concrete use procedure, the present invention collects storing satellite cloud atlas data and precipitation data by its data memory module, send it to environment monitoring module, the environmental datas such as the Climatic of monitoring are collected by environment monitoring module, send it to data processing module, data processing module is to satellite remote dada, rainfall data and environmental data carry out analytic statistics, then aggregation of data processing module is sent it to, aggregation of data processing module is according to historical satellite remote dada, rainfall data, environmental data and the satellite remote dada occurred now, environmental data carries out Comprehensive Correlation, send it to data prediction module again, data prediction module is carried out prediction to rain fall and is reported, and can be estimated according to quantity of precipitation by the method for inverting and satellite cloud picture, the value calculating each passage looked into by the calibration table that the gray-scale value applied in the case fetch channel data chosen contrasts each passage, then revised TBB value is obtained according to elevation effect correction table, calculate the predictor (IR1 of 4 types again, IR3, TBB alternating temperature, TBB spatial gradient, IR2-IR4 channel difference values), finally by the Grid data of predictor and precipitation, the regression coefficient of bringing on each lattice point of multiple regression program computation is preserved, analyze in conjunction with correlation analysis.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (8)
1. one kind utilizes the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, comprise the data memory module for collecting storing satellite cloud atlas data and rainfall data, the environment monitoring module of the environmental datas such as the Climatic for collecting monitoring be connected with data memory module, be connected with environment monitoring module for according to satellite remote dada, rainfall data and environmental data carry out the data processing module of analytic statistics, be connected with data processing module for the aggregation of data processing module of historical rain fall and present satellite remote dada being carried out to comprehensive improvement contrast and the data prediction module for forecasting rain fall be connected with aggregation of data processing module, also comprise a kind of method of inverting: the value calculating each passage looked into by the calibration table that (1) gray-scale value applied in the case fetch channel data chosen contrasts each passage, (2) revised TBB value is obtained according to elevation effect correction table, (3) predictor (IR1 of 4 types is calculated, IR3, TBB alternating temperature, TBB spatial gradient, IR2-IR4 channel difference values), (4) by the Grid data of predictor and precipitation, the regression coefficient of bringing on each lattice point of multiple regression program computation is preserved, analyze in conjunction with correlation analysis.
2. according to claim 1ly a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, data memory module comprises: history rainfall storage unit, history cloud atlas storage unit, in real time cloud atlas storage unit.
3. according to claim 1ly a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, environment monitoring module comprises: history environment monitoring means, real time environment monitoring means.
4. a kind of according to claim 2 and 3 utilizes the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, history rainfall storage unit is all connected with history environment monitoring means with history cloud atlas storage unit, and real-time cloud atlas storage unit is connected with real time environment monitoring means.
5. according to claim 1ly a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, data processing module comprises: Climatic Background Analysis unit, similar historical cloud atlas statistic unit, rainfall change trend analysis unit.
6. according to claim 1ly a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, obtain the relation of TBB value and precipitation according to historical summary.
7. according to claim 1ly a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, when Precipitation clouds development is vigorous, often be stretched over very high height, cloud top occurs that cloud anvil is to lopsidedness, and therefore the horizontal gradient of Black body temperature is also a valuable index weighing cloud system development and change
.
8. according to claim 1ly a kind ofly utilize the estimation of satellite cloud picture to highlands quantity of precipitation and the method for inverting, it is characterized in that, because plateau system change is very fast, alternating temperature value according to cloud-top temperature can judge the trend that cloud system develops at short notice in advance, thus judges that weather system is for period of expansion or extinction phase
.
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| CN107516401A (en) * | 2017-08-02 | 2017-12-26 | 深圳市盛路物联通讯技术有限公司 | A kind of mountain landslide supervision method and system |
| CN111724035A (en) * | 2020-05-19 | 2020-09-29 | 黑龙江省网络空间研究中心 | High-score multi-source data-based monitoring method for disaster state of water resources of boundary river |
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| CN111724035A (en) * | 2020-05-19 | 2020-09-29 | 黑龙江省网络空间研究中心 | High-score multi-source data-based monitoring method for disaster state of water resources of boundary river |
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Application publication date: 20160120 |