annual sediment transport 中文意思是什麼

annual sediment transport 解釋
年輸沙量
  • annual : adj. 1. 每年的；年度的；一年（一次）的。2. （植物）一年一生的，一季生的。n. 1. 一年生[一季生]植物。2. 年刊，年報，年鑒。adv. -ly 年年，每年。
  • sediment : n. 1. 沉澱（物）；沉渣。2. 【地質學；地理學】沉積物。
  • transport : vt 1 運輸，運送，輸送。2 【歷史】處流刑，流放。3 殺死。4 〈常用被動語態〉使心情極度激動，使欣喜若...
  1. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明： 20世紀60年代下荊江裁彎后，三口（松滋口、太平口、藕池口）分流分沙減少，下荊江徑流量和輸沙量相應增加，洞庭湖泥沙淤積減少； 80年代中期以後，長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢，城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡；三峽工程初期蓄水運用后，長江中游含沙量沿程恢復距離較長，但床沙質部分恢復距離相對較短。
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