Relationship Between Forest Types and Water Conservation Function of Forest Based on RS and GIS

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Relationship Between Forest Types and Water Conservation Function of Forest Based on RS and GIS

更新时间：2024-11-07

- Relationship Between Forest Types and Water Conservation Function of Forest Based on RS and GIS
- Issue 4, Pages: 16-19(2001)
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- Published：2001
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Relationship Between Forest Types and Water Conservation Function of Forest Based on RS and GIS[J]. 2001, (4): 16-19.
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Relationship Between Forest Types and Water Conservation Function of Forest Based on RS and GIS[J]. 2001, (4): 16-19. DOI：

摘要

在运用 RS和 GIS技术划分出水库流域土地利用类型的基础上

采用灰色关联分析法

结合水文数据

分析流域内不同林型和森林覆被率 (共 8个因子 )与年降雨量、年径流量之间的关系。分析得出了流域内涵养水源功能较强的优势林型

为合理调整流域内森林结构布局

充分发挥森林的水源涵养功能提供参考。研究表明

流域内涵养水源功能最强的林型为柞树纯林

其次是落叶松和白桦构成的混交林。

Abstract

With the assistance of the classified map of land use types and according to the hydrographic data

we study how the forest types and the rate of forest covera ge (total 8 factors) affect the rainfall and runoff by the method of gray correl ation analysis. As a result we known the best forest types which have the closes t relationship with the water conservation function . The study affords referenc es for improving the water conservation function of forest in the area.

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Relationship Between Forest Types and Water Conservation Function of Forest Based on RS and GIS

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