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GB/T 42190-2022: Technical guidelines for satellite monitoring - Haze
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| GB/T 42190-2022 | English | 359 |
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Technical guidelines for satellite monitoring - Haze
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GB/T 42190-2022
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Basic data | Standard ID | GB/T 42190-2022 (GB/T42190-2022) | | Description (Translated English) | Technical guidelines for satellite monitoring - Haze | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 18,120 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42190-2022: Technical guidelines for satellite monitoring - Haze---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 07.060
CCSA47
National Standards of People's Republic of China
Satellite Remote Sensing Monitoring Technical Guidelines for Haze
Posted on 2022-12-30
2023-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Monitoring data 1
5 Haze area identification 2
6 Identification of Haze Intensity Level 4
Appendix A (Informative) Spectral Channel Parameters of Common Satellite Sensors for Haze Monitoring 5
Appendix B (Normative) Air Molecular Rayleigh Scattering Contribution Calculation Method 7
Appendix C (Normative) Color Space Conversion Method 10
Appendix D (Normative) Equal longitude and latitude projection pixel area calculation formula 11
Appendix E (Normative) Calculation method of satellite near-ground aerosol extinction coefficient 12
Reference 13
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document was proposed by the China Meteorological Administration.
This document is under the jurisdiction of the National Satellite Meteorology and Space Weather Standardization Technical Committee (SAC/TC347).
This document was drafted by. National Satellite Meteorological Center, Satellite Environment Application Center of the Ministry of Ecology and Environment, Aerospace Information Innovation Research Institute of the Chinese Academy of Sciences
Institute, National Meteorological Center.
The main drafters of this document. Gao Ling, Zhang Xingying, Wu Ronghua, Si Yidan, Li Qing, Li Zhengqiang, Wang Zhongting, Chen Liangfu, Zhang Bihui, Tian Lin,
Zhang Qianqian, Liu Xuyan, Chen Lin.
Satellite Remote Sensing Monitoring Technical Guidelines for Haze
1 Scope
This document specifies the requirements for satellite remote sensing haze monitoring data, and describes the technical methods for haze area identification and haze intensity level identification.
This document is applicable to the monitoring and assessment of haze under clear sky conditions using satellite remote sensing technology.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 36299 Basic terms of radiation transfer for optical remote sensing
Observation identification of GB/T 36542 haze
3 Terms and Definitions
The terms and definitions defined in GB/T 36542 and GB/T 36299 apply to this document.
3.1
A physical quantity that characterizes the degree to which a medium attenuates electromagnetic waves.
Note. It is equal to the relative value of the attenuation of the intensity of the electromagnetic wave due to absorption and scattering when it propagates a unit distance in the medium, and the common unit is negative one square meter
(m-1), minus one kilometer (km-1).
[Source. GB/T 37467-2019, 3.1.7.6, modified]
3.2
It is a physical quantity that characterizes the attenuation degree of radiant energy caused by atmospheric aerosol per unit distance.
Note. The value is equal to the sum of the aerosol scattering coefficient and absorption coefficient, and the commonly used units are minus one square meter (m-1), minus one square kilometer (km-1).
[Source. GB/T 31159-2014, 4.10, modified]
3.3
The sum of the aerosol extinction coefficients (3.2) along the vertical path from the ground to the upper boundary of the atmosphere.
Note. Dimension is 1.
[Source. GB/T 31159-2014, 4.12, modified]
3.4
Apparent reflectance apparent reflectance
The ratio of the upgoing shortwave radiation flux at the top of the atmosphere to the incoming solar radiation flux.
4 Monitoring data
4.1 Data classification
Haze monitoring data are divided into satellite data and meteorological data, one or more of the following data should be selected.
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