3S Based Quantitative Analysis on Water Consumption of Water Conservancy Forestry at Watersheds of River Source

SHI Qing; JING Hai-tao; YU Xin-xiao; YANG Ai-rong; YOU Xiang-liang

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3S Based Quantitative Analysis on Water Consumption of Water Conservancy Forestry at Watersheds of River Source

- 3S Based Quantitative Analysis on Water Consumption of Water Conservancy Forestry at Watersheds of River Source
- Bulletin of Soiland Water Conservation Vol. 24, Issue 1, Pages: 71-74(2005)
- 作者机构：
  
  1. 北京林业大学,北京,100083
  2. 水利部牧区水利科学研究所,内蒙古,呼和浩特,010010
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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SHI Qing, JING Hai-tao, YU Xin-xiao, et al. 3S Based Quantitative Analysis on Water Consumption of Water Conservancy Forestry at Watersheds of River Source[J]. Bulletin of Soiland Water Conservation, 2005, 24(1): 71-74.
DOI：

SHI Qing, JING Hai-tao, YU Xin-xiao, et al. 3S Based Quantitative Analysis on Water Consumption of Water Conservancy Forestry at Watersheds of River Source[J]. Bulletin of Soiland Water Conservation, 2005, 24(1): 71-74. DOI：

摘要

通过对地面数字高程模型的分析

基于3维地学模型的理论进行水源涵养林耗水量化分析和可视化模拟。根据不同时相的地面林斑、光照、温度、坡向、林分类型变化进行的水源涵养林耗水量的计算。小流域水源涵养林耗水量化分析对于水源涵养林的建设、保护水源、生态环境保护利用具有十分重要的意义。立足于3S技术应用的研究

通过GPS

RS获取空间数据

以GIS为分析平台

建立数字高程模型(DEM)

土地利用类型、水源涵养林分类型、土壤类型等矢量图层

进行空间数据与属性数据连接、矢量数据运算等操作

采用综合彭曼公式分析了研究区域的水源涵养林单木耗水量。

Abstract

This article describes the use of a distance model

which is based on the 3S model theories of global positioning systems(GPS)

geographical information systems (GIS) and remote sensing (RS). The distance model is used to analyse the amount of water consumed in real and simulated water conservation forestry. The quantitative analysis of water conservation forestry is useful to macro-decision making in relation to water consumption. Calculation of the amount of water consumed accounts for forestry plot conditions

forest type

slope direction

solar radiation incidence and temperature. The 3S based model utilises spatial information and a resulting digital elevation model to generate vector graphs for land use

water conservation

forest type and soil type. These are used with Penman-Monteith to calculate the water consumption of the research forest area.

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Related Institution

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