watershed elevation 中文意思是什麼

watershed elevation 解釋
分水嶺高程
  • watershed : 〈英國〉分水嶺;〈口語〉流域。
  • elevation : n. 1. 高舉,高陞;【醫學】挺起,隆腫。2. 升級;上進,向上。3. 高尚。4. 高處,高地,高度;海拔;(槍炮的)仰角,射角;【測】標高。5. 【建築】正視圖;立視圖。
  1. Windows 2000 professional was used here for operating system, and arc / info 8 from esri company was used for the work flat floor. this study builds the spatial database of yanjia river watershed, which includes digital elevation model, watershed drainage network, soil, land use et al

    本研究以windows2000professional為操作系統,採用esri公司的地理信息系統產品arc info8為工作平臺,建立了晏家河流域的空間數據庫,包括流域數字高程模型、流域水系、土壤、土地利用等空間信息。
  2. On the basis of raster digital elevation model ( dem ) data over the laohahe river catchment in the upper and west area of the liaohe basin within inner mongolia autonomous region, the digital elevation drainage network model ( dednm ) is applied for assigning flow - vector directions over flat and depressional areas of the dem, for identifying stream network and watershed divides, and for establishing spatial topological structure of subcatchments and stream network

    基於遼河水系老哈河流域柵格數字高程模型( dem )數據,採用數字流域水系模型( dednm ) 、河流工具rivertools 、地理信息系統arcview軟體,根據地形提取水系信息,構建數字流域水系、子流域與河網的空間拓撲關系。
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