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GB/T 34815-2017 English PDF

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GB/T 34815-2017: Meteorological evaluating index of vegetation ecological quality
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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 34815-2017	English	239	Add to Cart	3 days [Need to translate]	Meteorological evaluating index of vegetation ecological quality	Valid	GB/T 34815-2017

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Basic data

Standard ID	GB/T 34815-2017 (GB/T34815-2017)
Description (Translated English)	Meteorological evaluating index of vegetation ecological quality
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	B18
Classification of International Standard	07.060
Word Count Estimation	12,187
Date of Issue	2017-11-01
Date of Implementation	2018-05-01
Regulation (derived from)	National Standard Announcement 2017 No. 29
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34815-2017: Meteorological evaluating index of vegetation ecological quality

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Meteorological evaluating index of vegetation ecological quality ICS 07.060 B18 National Standards of People's Republic of China Vegetation ecological quality meteorological evaluation index Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and definitions 1

4 vegetation ecological quality meteorological evaluation index

4.1 Moisture index 1 4.2 NPP index (net primary productivity index of vegetation) 2 Appendix A (Normative) Calculation method of potential evapotranspiration 3 Appendix B (Normative) NPP calculation method 5 References 8

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Meteorological Administration. This standard by the National Agricultural Meteorology Standardization Technical Committee (SAC/TC539) centralized. This standard drafting unit. China Meteorological Administration Shenyang Institute of Atmospheric Environment. The main drafters of this standard.Wang Jiangshan, Zhang Yushu, Chen Peng lion, Ji Ruipeng, Yu Wenying, Feng Rui, Wu Jinwen, Mina, Zhang Shujie, Cai Fu, Cao Yan Yan.

Introduction

Vegetation ecological quality is related to human existence and development. Meteorological conditions and vegetation interaction, a wide range of roles. Preparation of the main objectives of this standard , Is to use meteorological indicators to evaluate the impact of meteorological conditions on vegetation in a certain period of time and provide a scientific basis for carrying out ecological comprehensive evaluation. Vegetation ecological quality meteorological evaluation index

1 Scope

This standard specifies the vegetation ecological quality meteorological evaluation index and calculation method. This standard applies to evaluate the impact of meteorological conditions on the ecological quality of vegetation.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Weather drought level

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Vegetation ecological quality vegetationecologicalquality The lush vegetation growth, play the strength of ecosystem services. 3.2 Vegetation ecological quality meteorological evaluation of vegetationecologicalquality From the perspective of environmental changes caused by meteorological conditions on the impact of vegetation ecological quality. 3.3 Moisture index moistureindex Precipitation at a certain period of time compared with the potential evapotranspiration in the same period. 3.4 Net primary productivity of vegetation netprimaryproductivity; NPP Green plants in the unit area, the cumulative amount of organic matter per unit time, is deducted from the total amount of organic matter produced by photosynthesis Self-supporting breathing after the rest. 3.5 NPP index netprimaryproductivityindex The ratio of NPP to the average annual NPP over the years in the assessed area.

4 vegetation ecological quality meteorological evaluation index

4.1 wet index 4.1.1 Moisture index Ki using formula (1) calculation. Ki = ri/ETi (1) In the formula. ri --- monthly precipitation, in millimeters (mm);

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