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GB/T 41281-2022: Validation of photosynthetically active radiation remote sensing products
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Validation of photosynthetically active radiation remote sensing products
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GB/T 41281-2022
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Basic data | Standard ID | GB/T 41281-2022 (GB/T41281-2022) | | Description (Translated English) | Validation of photosynthetically active radiation remote sensing products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A77 | | Word Count Estimation | 21,273 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41281-2022: Validation of photosynthetically active radiation 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 photosynthetically active radiation remote sensing products
ICS 07.040
CCSA77
National Standards of People's Republic of China
Authenticity test of photosynthetically active radiation remote sensing products
Published on 2022-03-09
2022-10-01 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 Reference object 2
5 Basic requirements 2
6 Inspection method 3
7 Inspection report 6
Appendix A (Informative) Global Photosynthetically Active Radiation and Total Radiation Ground Observation Data List8
Appendix B (Informative) Spatial Representative Evaluation Method 9
Appendix C (normative) Observation sample point layout and photosynthetic active radiation ground observation 10
Appendix D (Informative) Time Consistency Conversion Methods 12
Appendix E (Informative) Example of Authenticity Inspection Information of Photosynthetically Active Radiation Remote Sensing Products 14
Reference 16
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, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, China Meteorological
Scientific Research Institute, China Resources Satellite Application Center, and Satellite Environment Application Center of the Ministry of Ecology and Environment.
The main drafters of this document. Li Li, Xin Xiaozhou, Zhang Hailong, Wen Jianguang, Wu Hua, Wang Peijuan, Gao Yanhua, Yao Yanjuan, Zhong Bo, Yu Shanshan,
Bai Junhua, Du Yongming, Liu Qinhuo, Liu Zhaoyan, Yu Jiangfeng, Gong Lifeng.
Introduction
Photosynthetically active radiation is the energy in solar radiation that can be used by green plants for photosynthesis. Photosynthetically active radiation as a form of biomass
It directly affects the growth, development, yield and quality of plants. Photosynthetically active radiation remote sensing products can provide global and regional
The scale of photosynthetically active radiation is of great significance in the study of photosynthetic potential, crop growth simulation, carbon cycle, and global change.
The purpose of this document is to unify the authenticity test reference objects, test objects of photosynthetically active radiation remote sensing products of different types and different temporal and spatial resolutions.
process and inspection methods, and form indicators and methods for quality evaluation of photosynthetically active radiation remote sensing products to ensure that photosynthetically active radiation remote sensing products are in
Consistency and product quality in scientific research and industrial applications.
Authenticity test of photosynthetically active radiation remote sensing products
1 Scope
This document specifies the reference objects, basic requirements, inspection methods and inspection reports for the authenticity inspection of photosynthetically active radiation remote sensing products.
This document is applicable to the authenticity inspection of photosynthetically active radiation remote sensing products.
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 and the following apply to this document.
3.1
solar radiation
Electromagnetic radiation emitted by the sun.
[Source. GB/T 36299-2018, 2.3]
3.2
In the solar radiation spectrum, the radiation energy of a certain band that can be absorbed, transformed and used to synthesize organic substances by the plastid pigments of green plants.
Note. Generally, the solar radiation of 400nm~700nm is called photosynthetically active radiation.
[Source. GB/T 31163-2014, 5.8]
3.3
shortwaveradiation
Electromagnetic radiation with wavelengths ranging from 0.28 μm to 3 μm.
[Source. GB/T 31163-2014, 5.9]
3.4
direct radiation
Radiation emanating from the surface of the sun and within a small solid angle around it.
NOTE. In general, direct radiation is measured by an instrument with a field angle of about 5°. Therefore, it includes part of the scattered radiation around the solar surface, the circumsolar radiation,
The field of view of the sun itself is only about 0.5°.
[Source. GB/T 31163-2014, 5.11]
3.5
diffuse radiation
Solar radiation is dispersed by air molecules, clouds and various particles in the air into radiation that is non-directional but does not change its monochromatic composition.
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