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Monitoring the Anthropogenic Impact on the Muddy Coast by Means of Topographic and Bathymetric Surveys North of the Yellow River Mouth, China

机译:监测泥泞的人为影响海岸地形和水深中国调查黄河以北的嘴

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摘要

The effects of the artificial-diversion of the Yellow River Mouth for extensive petroleum exploration beginning in August 1996 on the morphology of the mud flat coast are discussed. Changes in the morphology of the coastal zone were monitored during the period from 1996 to 2000. A Golden Software system was used to calculate the differential surfaces between the surveys in order to investigate the local patterns of accretion and erosion and to determine the volume changes between consecutive surveys. Volumetric studies showed that the net accretion in the study period was about 1.7x 10~8m~3. Between July 1996 and October 1996, a time interval characterized by intense runoff, an accumulation of about 4 x 10~8m~3 occurred. In the period from October 1996 to October 1998, a period of diminution in runoff and sediment supply in the upstream, an erosion of 8.9 x 10~7m~3 occurred, indicating sediment starvation of the area. Between October 1998 and October 2000, due to an inadequate supply of runoff and sediment, about 1.4 x 10~8m~3 of sediments was eroded and transported offshore.
机译:的artificial-diversion的影响黄河河口大量石油在1996年8月开始探索形态学的泥沼地海岸进行了讨论。沿海地区的形态学变化监测期间从1996年到吗2000. 计算表面之间的差距调查以调查当地吸积和侵蚀的模式确定连续之间的体积变化调查。吸积在研究期间是1.7 x10 ~ 8 m ~ 3。时间间隔的特点是强烈的径流,积累约4 x 10 ~ 8 m ~ 3发生。从1996年10月到1998年10月减少径流和泥沙的时期在上游供应,8.9 x的侵蚀10 ~ 7 m ~ 3发生,表明沉积物饥饿的区域。2000年,由于一个径流和供应不足沉积物,约1.4 x 10 ~ 8 m ~ 3的沉积物侵蚀和海上运输。

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