Research of dynamic monitoring system for soil erosion by satellite remote sensing and GIS technique(基于卫星遥感和GIS技术的水土流失动态监测体系研究)
综合考虑影响水土流失的降雨量、土壤可蚀性、坡度、植被覆盖率、土壤流失容许量和保护因子等,笔者提出建立基于GIS和遥感技术的水土流失反演分析模型,实现水土流失的动态和快速监测预报.技术要点如下:1)遥感技术能实现高精度的植被覆盖率和土地利用现状制图,可满足中长期水土流失变化监测预报的数据要求.2)利用气象卫星数据可实现对雨量的短期预报监测,进而实现水土流失的短期快速预报和监测.3)在GIS支持下,利用土壤背景和数字地形模型可实现水土流失潜在可能性分析.4)利用GIS空间数据处理技术可实现基于像素的地而逐点分析,满足对水土流失逐点定量分析的要求....
Main Authors: | ZHANGDeng-rong(张登荣), ZHUJian-li(朱建丽), XUPeng-wei(徐鹏炜) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2001-09-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/zjup/1008-9497.2001.28.5.577-582 |
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