舟山群岛和长江口邻近海域埋藏古河道水文环境特征

J4 ›› 2010, Vol. 40 ›› Issue (1): 140-147.

舟山群岛和长江口邻近海域埋藏古河道水文环境特征

刘奎¹|庄振业²|刘东雁²|叶银灿¹

1.国家海洋局第二海洋研究所|杭州 310012;2.中国海洋大学 |海洋地球科学学院|山东青岛 266100

收稿日期:2009-05-25 出版日期:2010-01-26 发布日期:2010-01-26
作者简介:刘奎(1976-)|男|湖北长阳人|高级工程师|主要从事海洋地质和地质灾害研究|E-mail:lgmdswlk@126.com
基金资助:
国家海洋局专项资金项目（JT0901）

Hydrology Environment Characteristics of Buried Ancient Channels near |Zhoushan Islands and Yangtze River Estuary

LIU Kui¹, |ZHUANG Zhen-ye², |LIU Dong-yan², YE Yin-can¹

1.The Second Institute of Oceanography, SOA, Hangzhou 310012|China;2.College of Marine Geosciences, Ocean University of China, Qingdao,Shandong 266100|China

Received:2009-05-25 Online:2010-01-26 Published:2010-01-26

摘要/Abstract

摘要：

应用高分辨率地球物理方法揭示舟山群岛和长江口邻近海域埋藏大量古河道。对埋藏古河道断面特征参数进行统计分析，利用河流计算公式得到埋藏古河道相关水文环境参数值。然后应用最新河型判别方法，分析判别晚更新世末次盛冰期和冰消期研究区埋藏古河道的河流类型为辫状型；并分析得到研究区古河道的宽深比（F＝22.22）、悬移质含量（M＝10.10％）、河道弯曲率（P＝1.52）、河曲波长（L＝1 647 m）等古水文泥沙环境参数分类指标。

关键词: 舟山群岛；长江口；埋藏古河道；古水文环境

Abstract:

Many buried river channels were revealed by applying high-resolution geophysical detection methods in the area near Zhoushan Islands and Yangtze River estuary. The characteristic parameters of the buried channel profiles were counted and analyzed. Some characteristic parameters of hydrological environment of the profiles were figured out by using some river formulae. The river patterns of the study area were analyzed by the latest channel pattern discrimination in the last glacial maximum and deglaciation of the Late Pleistocene. The hydrology, sediment, environment parameters of the ancient channel in the study area, width-depth ratio F=22.22, suspended sediment concentration M=10.10%, channel curvature P=1.52, meander wavelength L=1 647 m. These parameters can be used as hydrological classification indicators.

Key words: Zhoushan Islands, Yangtze River estuary, buried ancient channel, ancient hydrological environment

中图分类号:

X145

刘奎, 庄振业, 刘东雁, 叶银灿. 舟山群岛和长江口邻近海域埋藏古河道水文环境特征[J]. J4, 2010, 40(1): 140-147.

LIU Kui, ZHUANG Zhen-ye, LIU Dong-yan, YE Yin-can. Hydrology Environment Characteristics of Buried Ancient Channels near |Zhoushan Islands and Yangtze River Estuary[J]. J4, 2010, 40(1): 140-147.

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