GB/T 41535-2022 English PDF

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GB/T 41535-2022: Validation of aerosol optical depth remote sensing products
Status: Valid

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Basic data

Standard ID: GB/T 41535-2022 (GB/T41535-2022)
Description (Translated English): Validation of aerosol optical depth remote sensing products
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A77
Word Count Estimation: 18,147
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41535-2022: Validation of aerosol optical depth remote sensing products

---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.
Validation of aerosol optical depth remote sensing products ICS 07.040 CCSA77 National Standards of People's Republic of China Authenticity test of aerosol optical depth remote sensing products Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Basic requirements 2 5 Inspection method 2 6 Inspection report 4 Appendix A (Informative) Aerosol Optical Depth Ground Observation Data List 6 Appendix B (Informative) Aerosol Optical Depth Ground Observations7 Appendix C (Informative) Sample Authenticity Inspection Report of Aerosol Optical Depth Remote Sensing Products 11 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 of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Chinese Academy of Sciences. This document is under the jurisdiction of the National Standardization Technical Committee of Remote Sensing Technology (SAC/TC327). This document is drafted by. Institute of Aerospace Information Innovation, Chinese Academy of Sciences, Shandong University of Science and Technology, Satellite Environment Application Center of the Ministry of Ecology and Environment. The main drafters of this document. Zhong Bo, Wu Shanlong, Chen Wuhan, Sun Lin, Zhang Yuhuan, Sun Changkui, Zhou Chunyan, Yang Aixia, Wu Junjun, Liu Qinhuo, Liu Zhaoyan, Wen Jianguang, Li Li, Sun Gang, Li Kaitao.

Introduction

Aerosol optical depth is a measure of the attenuation of solar radiation by a relatively stable suspension system formed by liquid or solid particles dispersed in the atmosphere. A physical measure of degree. Aerosol optical depth is directly related to solar radiation entering the Earth system and can characterize atmospheric mass; Sol optical depth remote sensing products are of great significance in the research of air quality assessment, air pollution monitoring, atmospheric correction and global change. This document aims at the common problems in the authenticity inspection of aerosol optical depth remote sensing products. A set of effective workflows and methods are summarized, taking into account different types of aerosol optical thickness products with different spatial resolutions The specific requirements for inspection methods are used to standardize the orderly progress of the authenticity inspection of aerosol optical depth remote sensing products. The facts of this document Shi will strongly promote the quality improvement and quantitative application of aerosol optical depth remote sensing products. Authenticity test of aerosol optical depth remote sensing products

1 Scope

This document specifies the basic requirements, inspection methods and inspection reports for the authenticity inspection of aerosol optical depth remote sensing products. This document is applicable to the authenticity verification of aerosol optical depth remote sensing products retrieved from satellite remote sensing data.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 36296-2018 Guidelines for the authenticity inspection of remote sensing products GB/T 39468-2020 General method for authenticity inspection of terrestrial quantitative remote sensing products

3 Terms and Definitions

The terms and definitions defined in GB/T 36296-2018, GB/T 39468-2020 and the following apply to this document. 3.1 atmospheric aerosol A relatively stable suspension system formed by liquid or solid particles dispersed in the atmosphere. [Source. GB/T 31159-2014, 2.1] 3.2 A physical quantity that characterizes the degree of attenuation of radiant energy caused by atmospheric aerosols. Note. The value is equal to the sum of the aerosol scattering coefficient and absorption coefficient, and the commonly used units are per meter (m-1) and per kilometer (km-1). [Source. GB/T 31159-2014, 4.10] 3.3 The sum of the aerosol extinction coefficients on a certain path, the dimension is 1. [Source. GB/T 31159-2014, 4.11] 3.4 The sum of the aerosol extinction coefficients in the vertical path from the ground to the upper atmosphere, the dimension is 1. [Source. GB/T 31159-2014, 4.12] 3.5 aerosolmodel aerosolmodel Mathematical representation of aerosol types, spectral distributions, and physical and chemical properties of aerosol particles. 3.6 A general term for the entire layer of atmospheric aerosol optical depth datasets, auxiliary datasets and metadata datasets produced from remote sensing image data. ......

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