搜索结果: 1-2 共查到“水文学 Geographic Information System”相关记录2条 . 查询时间(0.062 秒)
Calculation of time of concentration for hydrologic design and analysis using geographic information system vector objects
time of concentration hydrologic design geographic information system vector objects
2009/12/4
Synthetic unit hydrographs are commonly used to estimate runoff from rainfall events in a hydrologic analysis. A key parameter required as part of any hydrologic analysis using a synthetic unit hydrog...
Quantitative Evaluation of Non-point Pollution of Taihu Watershed Using Geographic Information System
GIS Best Management Practice(BMP) non-point source pollution Taihu Watershed
2008/11/20
This paper focuses the quantitative evaluation of non point sources of pollution by
graphical maps of watershed and estimating area based load of pollutants of various land uses with the use of Arc/V...