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GB/T 41540-2022: Selection and arrangement of the surface observation field for the validation of terrestrial remote sensing products
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Selection and arrangement of the surface observation field for the validation of terrestrial remote sensing products
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GB/T 41540-2022
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Basic data | Standard ID | GB/T 41540-2022 (GB/T41540-2022) | | Description (Translated English) | Selection and arrangement of the surface observation field for the validation of terrestrial remote sensing products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A77 | | Word Count Estimation | 14,157 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41540-2022: Selection and arrangement of the surface observation field for the validation of terrestrial 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.
ICS 33.200
CCSA77
National Standards of People's Republic of China
Verification of the authenticity of terrestrial remote sensing products at ground observation sites
Site selection and layout
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 Observation site naming 2
5 General rules for site selection 2
5.1 Regional representation2
5.2 Openness 2
5.3 Convenience 2
6 General requirements for site selection 2
6.1 Size 2
6.2 Topography 2
6.3 Surface Cover 2
6.4 Environment 2
7 Routine observation layout 3
7.1 Observation of meteorological elements 3
7.2 Soil element observation 3
7.3 Control point layout and position measurement 3
7.4 Atmospheric aerosol optical depth observations 3
7.5 Flux observations 3
7.6 Sounding observations 3
8 Ground observation layout of remote sensing products to be inspected 3
8.1 Basic sampling unit layout 3
8.2 Single-point observation layout 4
8.3 Multi-point observation layout 4
8.4 Footprint observation layout 4
8.5 Layout of multi-scale nested observation systems 4
9 Ground Observation Site Report 4
Appendix A (Informative) Surface Observation Site Reporting Format5
Reference 8
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 and managed by the National Standardization Technical Committee of Remote Sensing Technology (SAC/TC327).
This document was drafted by. Southwest University, Northwest Institute of Eco-Environmental Resources, Chinese Academy of Sciences, Aerospace Information Innovation Research, Chinese Academy of Sciences
Academy of Sciences, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Institute of Agricultural Resources and Agricultural Zoning, Chinese Academy of Agricultural Sciences, National Satellite Gas
Elephant Center, China Resource Satellite Application Center, National Satellite Ocean Application Center, Ministry of Ecology and Environment Satellite Environment Application Center, Chinese Academy of Sciences
Home Space Science Center, University of Chinese Academy of Sciences.
The main drafters of this document. Ma Mingguo, Yu Wenquan, Li Xin, Che Tao, Xiao Qing, Wen Jianguang, Ma Lingling, Liu Zhaoyan, Zheng Xingming, Xin Xiaoping,
Dong Lixin, Zhang Yong, Han Qijin, Ma Chaofei, Wan Huawei, Xu Xiyu, Jiang Xiaoguang.
Introduction
Authenticity inspection of remote sensing products is a process of independently evaluating the accuracy and uncertainty of remote sensing products based on reference data.
The ground observation field is one of the basic conditions for the authenticity test of remote sensing products.
Provide important ground support with a series of processes such as Verification of authenticity of terrestrial remote sensing products
The obtained observation data satisfies the temporal continuity.
At home and abroad, research and practice on site selection and layout of ground observation sites for effective verification of the authenticity of terrestrial remote sensing products have been carried out.
Ground observation stations and observation plots for authenticity verification of terrestrial remote sensing products. In order to support different surface observation stations and observation plots
The popularization and application of the obtained data in the authenticity test of remote sensing products has formulated a scientific and standardized ground view for the authenticity test of terrestrial remote sensing products.
Site selection and observation system layout standards.
Verification of the authenticity of terrestrial remote sensing products at ground observation sites
Site selection and layout
1 Scope
This document specifies the nomenclature, general rules for site selection, general requirements for site selection, routine
Observation deployment, ground observation deployment of remote sensing products to be inspected, and ground observation field reports.
This document is applicable to the site design and construction of ground observation sites and the layout of observation instruments for authenticity verification of terrestrial quantitative 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 35221-2017 General rules for ground meteorological observation
GB/T 39468-2020 General method for authenticity inspection of terrestrial quantitative remote sensing products
QX/T 69-2007 Atmospheric Turbidity Observation-Solar Photometer Method
3 Terms and Definitions
The terms and definitions defined in GB/T 39468-2020 and the following terms and definitions apply to this document.
3.1
Observing instruments and facilities are installed to obtain ground observation data required for the authenticity verification of remote sensing products, and remote sensing synchronous observation and processing are carried out.
A dedicated site for intensive observation.
3.2
The ground measurement unit corresponding to the spatial resolution of the remote sensing product to be inspected is deployed in the ground observation field.
3.3
observingpoint
The location of the observations laid out in the basic sampling unit.
Note. Observation includes automatic observation instrument, manual operation observation instrument or manual sampling indoor measurement, etc.
3.4
footprint
A function describing the relationship between the spatial distribution of a surface source or sink in the near-surface layer and the value of the instrumentally observed flux.
Note. Also known as the source weight function.
3.5
Observing source area
The area where footprint observations make a major contribution to the observed value.
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