riverbed level 中文意思是什麼

riverbed level 解釋
河床高程
  • riverbed : 河床
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  1. According to the data analysis, the large scale and continuous excavating sand from the riverbed, which has caused the riverbed downcutting, water level decline and relative strengthening of tidal action, is the basic and main cause that raises the saline water intrusion in the peal river network area, but the arid climate and the sea level rise only aggravate the disaster

    咸潮災害發生前和發生時期進行的大規模採掘河沙活動使三角洲河床普遍大幅度下切,河流水位下降,潮汐作用相對增強,這是引發咸潮的主要原因;而天旱和海平面上升等則使咸潮災害加重。
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