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GB/T 41539-2022 English PDF

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GB/T 41539-2022: Specifications for surface temperature product from satellite remote sensing imagery
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PDF similar to GB/T 41539-2022


Standard similar to GB/T 41539-2022

GB/T 36299   GB/T 18314   GB/T 12898   GB/T 41535   GB/T 41534   

Basic data

Standard ID GB/T 41539-2022 (GB/T41539-2022)
Description (Translated English) Specifications for surface temperature product from satellite remote sensing imagery
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A77
Word Count Estimation 26,242
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41539-2022: Specifications for surface temperature product from satellite remote sensing imagery


---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.
Specifications for surface temperature product from satellite remote sensing imagery ICS 33.200 CCSA77 National Standards of People's Republic of China Product specification for surface temperature of satellite remote sensing images Published on 2022-07-01 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 Abbreviations 2 5 Product Rating 2 5.1 Grading Principle 2 5.2 Product Level Framework 2 5.3 Class 2 products (L2) 3 5.4 Class 3 products (L3) 3 5.5 Class 4 products (L4) 3 6 Naming Rules 4 6.1 Name composition 4 6.2 Name Requirements 4 7 Product Composition 5 7.1 Product Overview5 7.2 Metadata set 5 7.3 Surface temperature dataset 5 7.4 Auxiliary datasets 6 8 Technical requirements7 8.1 Time information 7 8.2 Spatial reference information 7 8.3 Product Quality 8 9 Product Inspection 8 Appendix A (Informative) Production Logic Flow of Surface Temperature Graded Products 9 A.1 General 9 A.2 L2 product production 10 A.3 L3 product production 10 A.4 L4 product production 10 Appendix B (normative) Basic Contents of Surface Temperature Product Metadata File 11 Appendix C (Informative) Example of Basic Content of Surface Temperature Product Metadata File 14 Appendix D (normative) Meaning of Quality Marking of Surface Temperature Products 17 D.1 L2 and L3 product quality label meaning 17 D.2 The meaning of L4 product quality label 18 Reference 20

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 Agricultural Resources and Agricultural Zoning, Chinese Academy of Agricultural Sciences, Geographical Sciences and Resources Research, Chinese Academy of Sciences Institute of Aerospace Information Innovation, Chinese Academy of Sciences, China Resources Satellite Application Center, National Satellite Meteorological Center, Geological Research of China Earthquake Administration Institute of Natural Resources, Airborne Geophysical and Remote Sensing Center of China, Hebei University of Geosciences, Beijing Normal University, Peking University, University of Chinese Academy of Sciences, Chinese Academy of Sciences Chengdu Institute of Mountain Hazards and Environment, Ministry of Water Resources, Dalian Maritime University. The main drafters of this document. Li Zhaoliang, Wu Hua, Zhou Chenghu, Liu Xiangyang, Duan Sibo, Qian Yonggang, Li Hua, Qiu Shi, Chen Hong, Han Qijin, Gao Caixia, Liu Zhaoyan, Shang Guoqun, Tang Bohui, Fan Xiwei, Fan Jinlong, Leng Pei, Wang Xinhong, Zhao Enyu, Zhao Wei, Gao Maofang, Cheng Jie, Ren Huazhong, Song Xiaoning, Tang Ronglin, Zhou Fangcheng, Jiang Xiaoguang, Zheng Xiaopo, Zhang Xia.

Introduction

Land surface temperature is a key parameter of terrestrial surface system processes at regional and global scales, which characterize the interaction between the surface and the atmosphere and and the comprehensive result of energy exchange between the atmosphere and land, is an important parameter in the process of obtaining information on the temporal and spatial changes of the surface energy balance. Numerical forecasting, global circulation models, and regional climate models are widely used in research fields. Obtaining an accurate surface temperature not only helps in evaluating It can estimate the surface energy and water balance, thermal inertia and soil moisture, and help to grasp the long-term trend of global surface temperature. Satellite remote sensing technology has the characteristics of fast speed, high temporal and spatial resolution, and is suitable for long-term continuous observation of large areas. The most direct and economical means of obtaining surface temperature at a regional or global scale. Several sets of satellite remote sensing technology-based geography have been released at home and abroad. Surface temperature products, but due to the difference in the degree of definition and application level of surface temperature products, the surface temperature products produced by different institutions or organizations Consistency between products is poor. Differences in the composition, grading and labelling of surface temperature products make it difficult for different researchers to use There is a certain blindness in the application process, which generates additional costs, increases the application complexity, and hinders the orderly development and wide application of surface temperature products. Wide application. This document is based on the development of surface temperature products and the needs and trends of their industrialization. Make uniform technical regulations on the classification, naming rules, product composition, technical requirements and product inspection of surface temperature products, so as to establish a scientific, cooperative and It can improve the application level of surface temperature products, and provide users with the structure and content of the required products, which is convenient for users. For the access and correct use of surface temperature products, the industrialization development of my country's surface temperature products will be promoted. Product specification for surface temperature of satellite remote sensing images

1 Scope

This document specifies the product classification, naming rules, product composition, technical requirements and product inspection of satellite remote sensing image surface temperature products. This document applies to the production, management, maintenance and use of satellite remote sensing image surface temperature 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 35652-2017 Tile Map Service GB/T 37151-2018 Specification for remote sensing image products based on standard framing of topographic maps GB/T 39608-2020 Metadata of digital achievements of basic geographic information GB/T 41534-2022 Authenticity inspection of surface temperature remote sensing products

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Brightness At the same wavelength, the temperature of a black body with the same radiance as the thermal radiator. Note. The unit is Kelvin (K). [Source. GB/T 36299-2018, 3.14] 3.2 surface temperature surfacetemperature surface temperature skin temperature Characterizes the integrated temperature of the epidermis with a thickness of the Earth's surface equal to the penetration depth (range 0.1 to 10 wavelengths). Note 1.According to the surface type, it is divided into land surface temperature and ocean surface temperature. Note 2.The surface temperature retrieved from the remote sensing data is based on the brightness temperature obtained by the remote sensor, after eliminating the influence of the atmosphere and emissivity. The equivalent temperature (ie, the directional radiometer temperature) of the warm mixed pixel, in Kelvin (K). 3.3 Data describing properties and related properties of surface temperature products. NOTE. Include basic information, overall quality, file name/dataset name, geographic location, etc. 3.4 thumbnail thumbnailimage quicklookimage

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