水土保持研究
水土保持研究
수토보지연구
RESEARCH OF SOIL AND WATER CONSERVATION
2001年
1期
7-9，16
,共4页
集水区%非点源污染%对策
集水區%非點源汙染%對策
집수구%비점원오염%대책
集水区内不当之农业活动，加速集水区土壤流失及水库水质恶化。本研究利用数值地形模型(Digital Elevation Model, DEM)、配合遥感探测 (Remote Sensing, RS)与地理信息系统（Geographic Information Systems, GIS）等技术，撰写程序建立集水区农业非点源污染评估系统，探讨集水区农业非点源污染控制之成效。利用泥砂递移率与植生缓冲带区位检视集水区内之农业非点源污染源，划定集水区环境敏感区位，针对敏感区回收造林，可有效控制集水区农业非点源污染。
集水區內不噹之農業活動，加速集水區土壤流失及水庫水質噁化。本研究利用數值地形模型(Digital Elevation Model, DEM)、配閤遙感探測 (Remote Sensing, RS)與地理信息繫統（Geographic Information Systems, GIS）等技術，撰寫程序建立集水區農業非點源汙染評估繫統，探討集水區農業非點源汙染控製之成效。利用泥砂遞移率與植生緩遲帶區位檢視集水區內之農業非點源汙染源，劃定集水區環境敏感區位，針對敏感區迴收造林，可有效控製集水區農業非點源汙染。
집수구내불당지농업활동，가속집수구토양류실급수고수질악화。본연구이용수치지형모형(Digital Elevation Model, DEM)、배합요감탐측 (Remote Sensing, RS)여지리신식계통（Geographic Information Systems, GIS）등기술，찬사정서건립집수구농업비점원오염평고계통，탐토집수구농업비점원오염공제지성효。이용니사체이솔여식생완충대구위검시집수구내지농업비점원오염원，화정집수구배경민감구위，침대민감구회수조림，가유효공제집수구농업비점원오염。
Improper agricultural activities accelerate soil loss and water pollution. An assessment system for agricultural non-point source pollution estimation was developed in this study. Digital Elevation Model (DEM), Remote Sensing (RS) and Geographic Information Systems (GIS) couples with non-point source pollution models were applied in the system to discuss the efficiency of non-point pollution control in a watershed. Concepts of sediment delivery ratio (SDR) and placement of riparian buffer strips couples with the analysis of topography and hydrology for the watersheds of interest to classify the sensitive zone could effectively monitor and control watershed agricultural non-point-source pollution.
