upper catchment area 中文意思是什麼

upper catchment area 解釋
上段集水區
  • upper : adj 1 （更）上面的，上方的，上部的；較高的；上級的；（議會）上院的；（衣服）穿在外面的。2 上流的...
  • catchment : n. 1. 排水；集水。2. 貯水池。3. 流域。
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. Upper catchment area

    上段集水區
  2. As they were situated directly in the proposed reservoir site, they were resettled in tai long wan, a western coastal area of lantau island and a resettlement area in tsuen wan. others, whose land was included as part of the catchment area, or affected by the construction of the catchwaters, faced a different situation. among them, the residents of pui o including lo wei village and sun wei village, ham tin, law uk, san shek wan, upper cheung sha and lower cheung sha village, tong fuk and shui hou village suffered from disturbance to their natural water supply

    一些被興建引水道影響或被辟為集水區的村落，如貝澳老圍村、新圍村、咸田村、羅屋村、散石灣、長沙上村、長沙下村、塘福村及水口村，原來流經村落的河流及地下水源，因主要水流被引水道堵截，農田無足夠水灌溉，早造開耕嚴重不足，居民須往他鄉運水，以應付日常生活急需及維持灌田。
  3. 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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