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