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delta shoreline
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  “delta shoreline”译为未确定词的双语例句
     In the term of space, the estuarine area is the deposition part while it's mainly in erosion around the northern delta shoreline at the end of Diaokou inflow.
     从空间上看,现行河口区为黄河三角洲的淤积区,而三角洲北部刁口流路岸段为冲蚀区;
短句来源
  相似匹配句对
     SHORELINE DYNAMICS AND EVOLUTION FORECAST IN THE YELLOW RIVER DELTA ESTUARY
     黄河三角洲河口段海岸线动态及演变预测
短句来源
     THE FAULT DELTA
     断块型三角洲
短句来源
     (4)delta ;
     (4)三角洲;
短句来源
     SHORELINE CHANGES OF THE YELLOW RIVER DELTA AND ITS ENVIRONMENTAL GEOLOGIC EFFECT
     黄河三角洲海岸线变化及其环境地质效应
短句来源
     DISCUSSIONS ON THE DEFINITION OF SHORELINE
     海岸线定义问题的讨论
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  delta shoreline
A multidisciplinary study was made of lakes and lagoons in a thermokarst embayment on Richards Island, Canadian Beaufort Sea, in order to investigate the response of the Mackenzie Delta shoreline to changing hydrological influences.
      


Comparisons were made among comprehensive shoreline changes during the high tide line periods of the Yellow River delta in 1855,1954,1976 and 1992.The results show that the shoreline moved towards the sea in the river flowing period,and retreated in the non flow period because of the wind,wave and tidal current.And dynamic process of the delta shoreline along the Qingshuigou course was also analyzed by using the isobath...

Comparisons were made among comprehensive shoreline changes during the high tide line periods of the Yellow River delta in 1855,1954,1976 and 1992.The results show that the shoreline moved towards the sea in the river flowing period,and retreated in the non flow period because of the wind,wave and tidal current.And dynamic process of the delta shoreline along the Qingshuigou course was also analyzed by using the isobath of -2m,and from the analysis,it is found that the land forming rate is becoming slower than before,indicating a tendency that the river mouth is developing from the original increasing to the terminal atrophy.And also the environmental geologic effect caused by shoreline changes was discussed in the paper.The most important effect on the river estuary is the high flood risk that can induce riverbed deposition and continuous water level rising.

以 18 5 5、195 4、1976年和 1992年的高潮线对比分析黄河三角洲海岸线的整体变化情况 ,表明在行河岸段 ,海岸线迅速向前淤进 ,而在非行河岸段 ,由于风浪、海流等侵袭 ,岸线后退。采用 1976、1982、1987、1990年和1995年近海区实测水深资料 ,以 - 2 m等深线的变化来研究清水沟流路河口三角洲岸线的动态变化过程 ,发现河口造陆速度逐渐变慢 ,反映出河口尾闾从初期发育走向萎缩的趋势。岸线变化的环境地质效应表现在多方面 ,对下游河道冲淤影响最重要的是河床主槽持续淤积及同流量水位的抬升所带来的防洪风险的增大。

The coast of Jiangsu is famous for its dynamic singularity of both serious eroded coast reach and rapid progradingone. The erosional coast of Jiangsu is 301.7km long or 31.6% of the province total shoreline. Of them muddy coast is 271.6km and sandy coast, 30.1km, which is the only segment of sandy coast in Jiangsu. This singularity is relevant to the following three features. The first one is the effect by great changes of the two big river mouths. The lower reaches of the Huanghe River began to enter the Yellow...

The coast of Jiangsu is famous for its dynamic singularity of both serious eroded coast reach and rapid progradingone. The erosional coast of Jiangsu is 301.7km long or 31.6% of the province total shoreline. Of them muddy coast is 271.6km and sandy coast, 30.1km, which is the only segment of sandy coast in Jiangsu. This singularity is relevant to the following three features. The first one is the effect by great changes of the two big river mouths. The lower reaches of the Huanghe River began to enter the Yellow Sea by north of Jiangsu in 1128 after capturing the Huaihe River and was back to the Bohai Sea by Shandong Province in 1855. This evolution of the Huanghe River, which famous for carrying plenty of sediments, caused great hydrodynamic change, especially the sedimentation conditions of the Jiangsu coast. The second one is the long muddy coast.During the 700 years that the Huanghe River entered the Yellow Sea by Jiangsu, the coast was transformed from sandy coast to muddy, and 92% of the shoreline of Jiangsu is muddy coast now. The third one is the diversity of the openness of the several coast reaches. With the substantial change of the large-scale submarine sand ridge fields on the inner continental shelf, the screening state of the coast reaches changes accordingly. There are four segments of the erosional coast reaches in Jiangsu. The first one is the abandoned Huanghe River Delta coast. The delta shoreline and the subaquatic delta have been heavily eroded because of the losing of sediments supply. Meantime, the coast reach of the abandoned river mouth retreated rapidly and has not been controled until the 1970s when the seawall and the bank protection were built. But this promotes the vertical erosion on the intertidal flat.The average rate of vertical erosion from 1980 to 1992 is 13.5 cm/a. The isobath of 15 m is only 4.65 km away from the bank, and the isobath of 10 m moved 0.37 km every year toward the bank from 1937 to 1994. The second isLusi coast, the southern part of the coast of Jiangsu. The erosion of this segment is mainly because of large-scale tidal channel movement toward the bank and development of winding. The shoreline retreated more than 1 km from 1916 to 1969. The super tidal flat in front of the seawall was wholly eroded, and the rate of vertical erosion on the intertidal flat is 3.6 cm/a. The third segment is the Jianggang coast. Some tidal creeks on the tidal flat moving toward the bank caused heavy erosion, and some erosional mud cliffs are as high as 5 m. The cliffs can retreat 20-30 m within one spring tide cycle. The fourth is the sandy coast in the northern part of Jiangsu coast. Some dams were built on some rivers flowing into the sea and break off the sediment source supplying the coast. Meanwhile, digging of coastal sands helped the erosion.

江苏省侵蚀海岸的总长度为 30 1 7km ,分为 4段 :废黄河三角洲海岸、港海岸、吕四海岸以及海州湾的沙质海岸。各段海岸侵蚀原因不同。废黄河三角洲海岸是因黄河改道失去泥沙来源 ;吕四与港海岸则因辐射沙洲调整过程中滨岸水道的向岸移动造成的 ;而北部沙岸则是因人类活动 (上游建设水库及开挖海滩沙 )的干扰。江苏海岸是一个沉积物准封闭系统 ,全球性海平面上升将加剧这一侵蚀过程 ,预计未来侵蚀海岸的长度将增加 ,辐射沙洲区的外围沙洲将因侵蚀而向中心区退缩。一些目前是隐型侵蚀的岸段将向显性侵蚀的阶段发展。由于连云港到长江口北支的岸段是软性海岸 ,缺乏硬质节点 ,在没有建造大型人工设施的前提下 ,估计江苏海岸动态及制定开发规划时必须考虑平直化的大趋势。

 
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