CN113935156A - Data recycling and assimilating system of Fengyun three-number B-star microwave imager - Google Patents
Data recycling and assimilating system of Fengyun three-number B-star microwave imager Download PDFInfo
- Publication number
- CN113935156A CN113935156A CN202111132169.9A CN202111132169A CN113935156A CN 113935156 A CN113935156 A CN 113935156A CN 202111132169 A CN202111132169 A CN 202111132169A CN 113935156 A CN113935156 A CN 113935156A
- Authority
- CN
- China
- Prior art keywords
- data
- module
- assimilation
- microwave imager
- assimilating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004064 recycling Methods 0.000 title claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 15
- 238000004364 calculation method Methods 0.000 claims abstract description 8
- 238000007781 pre-processing Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000001174 ascending effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 102100033668 Cartilage matrix protein Human genes 0.000 description 1
- 101001018382 Homo sapiens Cartilage matrix protein Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/10—Numerical modelling
Abstract
The invention discloses a data recycling and assimilating system of a wind cloud three-number B-satellite microwave imager, relates to the technical field of satellite meteorological data application in earth science, and aims to solve the problems that a few indirect assimilations on inversion data in China are mainly provided, the radiance data of the microwave imager is directly assimilated, and the total space assimilation of the wind cloud satellite microwave imager data in China is less. The assimilation calculation module comprises a radiance data read-in module, a data preprocessing module, a background field read-in module and a clear sky simulation module.
Description
Technical Field
The invention relates to the technical field of satellite meteorological data application in geoscience, in particular to a data recycling and assimilating system of a Fengyun three-number B-star microwave imager.
Background
Since the first meteorological satellite was successfully launched in the last 60 th century till now, about 200 satellites were launched successfully in the last day, from the first single-star single-instrument observation to the double-star multi-load instrument observation, wherein wind cloud meteorological satellites are a series of meteorological satellites developed in 1977 in China, and satellite data is always continuous with unique observation, is not influenced by weather conditions, has wide coverage and the like, and becomes an indispensable part of a global meteorological observation system.
Compared with the rapid development of the assimilation of satellite data in foreign countries, the research on the microwave imager data in China starts to be late, the imager data is used for inverting the soil humidity, the existing few indirect assimilations on the inversion data in China are mainly used, the radiation rate data of the microwave imager is directly assimilated, and the full-air assimilation of the microwave imager data by using the wind cloud satellite in China is less.
Disclosure of Invention
The invention aims to provide a data recycling and assimilating system of a wind cloud three-star B-star microwave imager, which aims to solve the problems that a few indirect assimilations on inversion data in China are mainly provided, the radiance data of the microwave imager is directly assimilated, and the full-air assimilation of the wind cloud satellite microwave imager data in China is less utilized.
In order to achieve the purpose, the invention provides the following technical scheme: a data recycling and assimilating system of a Fengyun three-number B-star microwave imager comprises an assimilating computing module, wherein the assimilating computing module comprises a radiance data reading module, a data preprocessing module, a background field reading module and a clear sky simulation module.
By adopting the technical scheme, the assimilation calculation module can be combined with the data preprocessing module and the clear sky simulation module to compare data, so that the accuracy of assimilation data is improved, and an analysis field is optimized to provide an initial field with higher quality for numerical prediction.
Further, the radiance data reading module can obtain information through MWRI1, and the MWRI1 is divided into rail ascending data and rail descending data.
By adopting the technical scheme, the MWRI1 can be downloaded from a wind cloud satellite remote sensing data service network, and the orbit ascending data and the orbit descending data can provide more accurate data.
Furthermore, the clear sky simulation module is connected with a radiation transmission module through a network, and the clear sky simulation module and the radiation transmission module can obtain simulation observation.
By adopting the technical scheme, the clear sky simulation module realizes the direct assimilation of the data of the microwave imager by applying an assimilation method with the radiation transmission module.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the data recycling assimilation system of the Fengyun three-star B-star microwave imager, the direct assimilation of China's Fengyun satellite microwave imager data can be achieved through the constructed assimilation forecast system, weather system information is extracted from the microwave imager data, a better analysis field can be obtained through calculation of an assimilation method and combination of a forecast field, an initial field with higher quality is provided for numerical forecast, the forecast result of a mode on disastrous weather can be effectively improved, and a reference basis is provided for government disaster prevention and reduction work.
Drawings
FIG. 1 is a schematic view of the flow structure of the present invention.
In the figure: 1. MWRI 1; 2. ascending rail data; 3. descending track data; 4. a radiance data read-in module; 5. a data preprocessing module; 6. a background field read-in module; 7. a clear sky simulation module; 8. a radiation transmission module; 9. and (5) an assimilation calculation module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, an embodiment of the present invention: a data recycling and assimilating system of a Fengyun three-star B microwave imager comprises an assimilation computing module 9, wherein the assimilation computing module 9 comprises a radiance data reading module 4, a data preprocessing module 5, a background field reading module 6 and a clear sky simulation module 7, the radiance data reading module 4 can be obtained through MWRI11, the MWRI11 is divided into orbit ascending data 2 and orbit descending data 3, the clear sky simulation module 7 is connected with a radiation transmission module 8 through a network, the clear sky simulation module 7 and the radiation transmission module 8 can obtain simulated observation, direct assimilation of the Fengyun satellite microwave imager data in China can be achieved through a constructed assimilation forecasting system, weather system information is extracted from the microwave imager data, a more optimal analysis field can be obtained through calculation of an assimilation method and combined with the forecasting field, and an initial field with higher quality is provided for numerical forecasting, therefore, the forecasting result of the mode on the disastrous weather can be effectively improved, and a reference basis is provided for the work of disaster prevention and reduction of the government.
The working principle is as follows: when in use, MWRI11 grade data of polar orbit satellite FY-3B in HDF5 format is downloaded from a cloud satellite remote sensing data service network, the data is divided into orbit ascending data 2 and orbit descending data 3, the names of L1MWRI-xx and xx are modified according to time arrangement, a FORTRAN program is compiled, variables such as 10 channel radiation brightness temperature values, longitude and latitude, scanning time, zenith angle and azimuth angle in MWRI data are read, a background field is read in a module 6, simulated observation is obtained by combining a CRTM radiation transmission module 8, quality control is carried out on assimilated observation based on the calculation results of observation residual error, surface type and solar flare, poor quality observation is provided, assimilation is carried out by utilizing a three-dimensional variational algorithm, an assimilation calculation module 9 is carried out on MWRI1 data, a SHELL script is compiled, an assimilated analysis field is used as an initial field, a WRF mode is called to integrate forward to obtain a forecast field of the next moment, and the forecast field at the next moment is used as a background field to enter the assimilation module to start the assimilation of the next round, so that a circulation system for assimilation forecast is formed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a No. three B stars of wind cloud microwave imager data cycle assimilation system, includes assimilation computing module (9), its characterized in that: the assimilation calculation module (9) comprises a radiance data read-in module (4), a data preprocessing module (5), a background field read-in module (6) and a clear sky simulation module (7).
2. The data recycling and assimilating system of a Fengyun three-star (B) microwave imager as claimed in claim 1, wherein: the radiance data read-in module (4) can know through MWRI1(1), and the MWRI1(1) is divided into track ascending data (2) and track descending data (3).
3. The data recycling and assimilating system of a Fengyun three-star (B) microwave imager as claimed in claim 1, wherein: the clear sky simulation module (7) is connected with the radiation transmission module (8) through a network, and the clear sky simulation module (7) and the radiation transmission module (8) can obtain simulation observation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111132169.9A CN113935156A (en) | 2021-09-26 | 2021-09-26 | Data recycling and assimilating system of Fengyun three-number B-star microwave imager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111132169.9A CN113935156A (en) | 2021-09-26 | 2021-09-26 | Data recycling and assimilating system of Fengyun three-number B-star microwave imager |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113935156A true CN113935156A (en) | 2022-01-14 |
Family
ID=79276825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111132169.9A Pending CN113935156A (en) | 2021-09-26 | 2021-09-26 | Data recycling and assimilating system of Fengyun three-number B-star microwave imager |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113935156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117009427A (en) * | 2023-09-28 | 2023-11-07 | 北京弘象科技有限公司 | Assimilation method and device for wind-cloud satellite observation, electronic equipment and storage medium |
-
2021
- 2021-09-26 CN CN202111132169.9A patent/CN113935156A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117009427A (en) * | 2023-09-28 | 2023-11-07 | 北京弘象科技有限公司 | Assimilation method and device for wind-cloud satellite observation, electronic equipment and storage medium |
| CN117009427B (en) * | 2023-09-28 | 2024-01-12 | 北京弘象科技有限公司 | Assimilation method and device for wind-cloud satellite observation, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111401634B (en) | Processing method, system and storage medium for acquiring climate information | |
| CN107703564B (en) | Rainfall prediction method and system and electronic equipment | |
| Soares et al. | Western Iberian offshore wind resources: more or less in a global warming climate? | |
| CN110516816B (en) | All-weather earth surface temperature generation method and device based on machine learning | |
| CN103293084B (en) | Based on the sea fog round-the-clock all-weather inversion method of multispectral weather satellite information | |
| CN103413272A (en) | Low-spatial-resolution multisource remote sensing image space consistency correction method | |
| CN103728609B (en) | Satellite-borne multispectral infrared sensor cross-radiometric calibration method | |
| CN102004856B (en) | Rapid collective Kalman filtering assimilating method for real-time data of high-frequency observation data | |
| CN101216481A (en) | Method for reflecting regional soil natural erosion degree | |
| KR20200059085A (en) | A Method for Sea Surface Temperature Retrieval using Surface Drifter Temperature Data and Satellite Infrared Images | |
| CN115204618B (en) | CCMVS region carbon source sink equalization inversion method | |
| CN104820250A (en) | Processing method for detecting clouds on sea by polar orbit meteorological satellite visible and infrared radiometer (VIRR) | |
| Liu et al. | Glacial changes in the Gangdisê Mountains from 1970 to 2016 | |
| CN115062527B (en) | Geostationary satellite sea temperature inversion method and system based on deep learning | |
| Hofierka et al. | The spatial distribution of photovoltaic power plants in relation to solar resource potential: the case of the Czech Republic and Slovakia | |
| JP2010054460A (en) | Wave forecast system | |
| CN111474529A (en) | Method for inverting radar echo by satellite, system for inverting radar echo and navigation radar | |
| Singh et al. | A visual-inertial system to determine accurate solar insolation and optimal PV panel orientation at a point and over an area | |
| CN113935156A (en) | Data recycling and assimilating system of Fengyun three-number B-star microwave imager | |
| Guan et al. | Mapping mean monthly temperatures over a coastal hilly area incorporating terrain aspect effects | |
| Nunez et al. | Rainfall estimation in south-west Tasmania using satellite images and phytosociological calibration | |
| Ebner et al. | Regionalized potential assessment of variable renewable energy sources in Europe | |
| Wang | Application of remote sensing technology in different natural disasters | |
| Yin et al. | East Asia reanalysis system (EARS) | |
| Pook et al. | On the detection of weather systems over the Antarctic interior in the FROST analyses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220114 |
|
| WD01 | Invention patent application deemed withdrawn after publication |