辽西六股河口附近砂积体与全新世海水入侵趋势的探讨 |
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引用本文: | 符文侠,石厥民,李光天,魏成凯,贾锡钧,何宝林,焦亚宁.辽西六股河口附近砂积体与全新世海水入侵趋势的探讨[J].海洋科学,1985,9(6):20-22. |
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作者姓名: | 符文侠 石厥民 李光天 魏成凯 贾锡钧 何宝林 焦亚宁 |
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作者单位: | 国家海洋局海洋环境保护研究所
(符文侠,石厥民,李光天,魏成凯,贾锡钧,何宝林),国家海洋局海洋环境保护研究所(焦亚宁) |
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摘 要: | 本文根据我们的调查和前人的工作,对六股河口附近砂积体加以记述,进而探讨辽西沿岸全新世海水入侵趋势。 一、区域概况 六股河口位于绥中和兴城县交界处(图2),发源于松岭山脉,主流长110公里,流域面积为3000平方公里。多年平均最大径流量为16.67
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EXPLEHING THE HOLOCENE TRANSGRESSION TREND ON THEBASIN OF SAND MOUND NEAR LIUGU RIVERESTUARY IN WESTERN LIAONING |
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Abstract: | Holocene transgression trend in the near-shore of western Liaoning was studied on the basis of sand accumulation geomorphy and sedimentary character. The data 14C show that transgression had taken place in this region 8000-7000 years ago, the river valley was flooded, sea water reached as far as 5 to 10 km upstream but no more than 20 km, equivalent to 5 to 7 m above the normal sea level. Thickness of marine phase was from 20 km to 25 km. Sea water regressed in 5000-4000 B. P. |
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