hydrological statistics

The dissertation put forward calculate the flood frequency once again so that the hydrological statistics conform to the truthful circumstances as the policies of adaptability because of the changes above.
作爲對氣候變化流域下墊麪情況改變及人類強烈活動的適應性對策,提出了需要在原來水文系列基礎上重新統計延長流域洪水頻率,使水文統計結果更真實地反映已發生變化的水庫逕流。