河槽平衡 的英文怎麼說
中文拼音 [hécáopínghéng]
河槽平衡
英文
channel equilibrium- 河 : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
- 槽 : 名詞1 (盛牲口飼料或飲料等液體的器具) trough; manger (for water animal feed wine vat) 2 (兩邊...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 衡 : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
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By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently
然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律,分析研究表明:建庫前渭河下游主槽處于動態沖淤平衡狀態,灘地處于微淤狀態;建庫后,渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的;潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的,近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。
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