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GB/T 29391-2012Specification of remote sensing for rock desertification monitoring of grassland in Karst area (English PDF)

岩溶地区草地石漠化遥感监测技术规程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

June 1, 2013

Scope

GB/T 29391-2012 is the English-translated version of 岩溶地区草地石漠化遥感监测技术规程.

GB/T 29391-2012 is the Chinese standard "Specification of remote sensing for rock desertification monitoring of grassland in Karst area". Its scope clause reads: This standard specifies the content of rocky desertification in karst region remote monitoring of grassland and corresponding techniques and methods.

This standard applies to karst rocky desertification area of \u200b\u200bgrassland Remote Sensing. Its clauses include terms and definitions; monitoring content and method.

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Document preview — GB/T 29391-2012

National Standard of the People's Republic of China

ICS: 65.020.01
Classification: B 07

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and Definitions
4 Monitoring Content and Method

1 Scope

This standard specifies the content of rocky desertification in karst region remote monitoring of grassland and corresponding techniques and methods.

This standard applies to karst rocky desertification area of grassland Remote Sensing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

NY/T 635 natural grassland reasonable stocking rate calculation

NY/T 1233 Technical specification of grassland resources and ecological monitoring

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Karst

The phenomenon of water dissolution of soluble rocks and produced, also known as karst.

3.2 Rocky Desertification

In the natural and human activities, vegetation destruction, decline in land productivity, process and bare rock phenomenon.

3.3 Bare rock rate rockexposedrate

Bare rock area measured as a percentage of the area of accounting, does not contain some vegetation vertical projection of the cover.

3.4 When the aboveground biomass

Qi ground cutters herbaceous and woody plants that year tender foliage biomass on the ground.

3.5 Vegetation cover

Measured as a percentage of the area of the vertical projection area of vegetation accounts.

3.6 Rocky desertification index

Quantitative evaluation index reflects the rocky desertification severity.

4 Monitoring Content and Method

Monitoring include. vegetation status, aboveground biomass, slope, bare rock rate can be applied to spatial and temporal monitoring points (samples) and surveillance zones

Dynamic Monitoring.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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