GB/T 36540-2018 English PDF

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GB/T 36540-2018: VIS-SWIR spectral reflectivity measurement of water
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36540-2018	519	Add to Cart	5 days	VIS-SWIR spectral reflectivity measurement of water	Valid

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Basic data

Standard ID: GB/T 36540-2018 (GB/T36540-2018)
Description (Translated English): VIS-SWIR spectral reflectivity measurement of water
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A75
Classification of International Standard: 07.040
Word Count Estimation: 26,269
Date of Issue: 2018-07-13
Date of Implementation: 2019-02-01
Quoted Standard: GB/T 12936; GB/T 13195; GB/T 14950; GB 17378.3; GB/T 33988; HJ 493; HJ 494; QX/T 46; QX/T 47; QX/T 51
Regulation (derived from): National Standard Announcement No. 10 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the terms and definitions of water-visible-short-wave infrared spectral reflectance measurement, measurement conditions, measurement preparation, basic measurement, supporting measurement, measurement record, measurement data processing and measurement work summary. This standard is applicable to the spectral reflectance data of undistorted land surface water bodies and coastal water bodies in the wavelength range of 380 nm to 2 500 nm, and the spectral reflectance of water bodies in the near ultraviolet range of 300 nm to 380 nm. And the visible-short-wave infrared spectral reflectance measurement of other unfrozen sea water bodies can be referred to.

GB/T 36540-2018: VIS-SWIR spectral reflectivity measurement of water

---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.
VIS-SWIR spectral reflectivity measurement of water ICS 07.040 A75 National Standards of People's Republic of China Visible light-short wave infrared spectrum reflectance measurement of water Published on.2018-07-13 Implementation of.2019-02-01 State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Measurement conditions 2 4.1 Measurement environment 2 4.2 Measurement staff 2 4.3 Measuring device 2 5 Measurement preparation 3 5.1 Measurement Planning 3 5.2 Measuring device inspection and commissioning 3 6 basic measurement 4 6.1 Determination of measurement target 4 6.2 Determine measurement time 4 6.3 Spectrometer installation and parameter setting 4 6.4 Standard Reference Board Placement 4 6.5 Measurement Step 4 6.6 Number of measurements 4 6.7 Measuring speed 5 6.8 Observation Geometry 5 6.9 End of measurement 5 7 supporting measurement 5 7.1 Measuring point and sampling point positioning 5 7.2 Physical and physicochemical measurements of water 5 7.3 Container background spectral reflectance measurement 5 7.4 Sky light ratio measurement 6 7.5 Water temperature measurement and meteorological observations 6 7.6 Image Shooting 6 8 Measurement record 7 8.1 Basic Information 7 8.2 Supporting Information 7 9 Measurement data processing 9 9.1 Water body spectral reflectance measurement data processing 9 9.2 Container background spectral reflectance measurement data processing 10 9.3 Sky Light Ratio Measurement Data Processing 12 10 Measurement work summary 13 10.1 Summary Reporting 13 10.2 Document Filing 13 Appendix A (informative) Water body spectral reflectance measurement record table 14

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Chinese Academy of Sciences. This standard is under the jurisdiction of the National Remote Sensing Technology Standardization Technical Committee (SAC/TC327). This standard was drafted. Shanghai Meteorological Bureau, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Institute of Optoelectronics, Chinese Academy of Sciences, China Institute of Remote Sensing and Digital Earth, Shanghai Institute of Satellite Engineering. The main drafters of this standard. Yin Qiu, Gong Cailan, Hu Yong, Jia Yuanyuan, Xu Hua, Zhang Fengli, Chen Qiang, Wang Xinhong. Visible light-short wave infrared spectrum reflectance measurement of water

1 Scope

This standard specifies the terms and definitions, measurement conditions, measurement preparation, basic measurement of visible light-short-wave infrared spectral reflectance measurement of water bodies. Volume, supporting measurement, measurement record, measurement data processing and measurement work summary. This standard is applicable to the acquisition of unfrozen land surface water bodies and coastal water bodies in the wavelength range of 380 nm ~ 2500 nm. Spectral reflectance data, spectral reflectance measurements of water in the near-ultraviolet range from 300 nm to 380 nm and other unfrozen waters The visible-short-wave infrared spectral reflectance measurement of the body can be performed by reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 12936 solar heat utilization terminology GB/T 13195 Determination of water quality and water temperature Thermometer or reverse thermometer method GB/T 14950 Photogrammetry and Remote Sensing Terminology GB 17378.3 Marine monitoring specification Part 3. Sample collection, storage and transport GB/T 33988 Visible light-short-wave infrared spectrum reflectance measurement of urban features HJ493 Technical regulations for the preservation and management of water sampling samples HJ494 Water Quality Sampling Technical Guidance QX/T 46 Ground meteorological observation specification Part 2. Observation of clouds QX/T 47 Surface meteorological observation specification Part 3. Meteorological visibility observation QX/T 51 Ground meteorological observation specification Part 7. Wind direction and wind speed observation

3 Terms and definitions

GB/T 12936, GB/T 13195, GB/T 14950, GB 17378.3, GB/T 33988, HJ493, HJ494, QX/T 46, The following terms and definitions defined by QX/T 47, QX/T 51 apply to this document. 3.1 Total sunlight totalsunlight The sum of direct sunlight and sky light (also known as diffuse sunlight) reaching the measurement surface. Note 1. The quantitative expression is. the total solar irradiance is equal to the sum of the direct sunlight irradiance and the sky light irradiance. Note 2. If there is no limit to sunlight, it means total sunlight. 3.2 Sky light ratio proportionofskylight The proportion of sky light that reaches the measurement surface to the total sunlight. Note. The quantitative expression is the ratio of sky light irradiance to total solar irradiance. 3.3 Container background spectral reflectivity backgroundspectralreflectivityofcontainer A container for measuring the spectral reflectance of a water sample, in the vacant state, the absorption and reflection process of the incident light through the inner surface is opened ......

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