北极王湾冰海沉积物类型及沉积作用

石丰登; 程振波; 吴永华; 李小艳; 石学法; 程静

北极王湾冰海沉积物类型及沉积作用

1.
国家海洋局第一海洋研究所海洋沉积与环境地质国家海洋局重点实验室,山东青岛 266061
2.
Qingdao Institute of Biological Energy Source and Process Chinese Academy of Sciences Qingdao 266071,China

基金项目: 国家自然科学基金项目(40710069004;40806028;41076136;40506004);黄河站现场考察项目(2009YR05005);基本科研业务专项基金(GY02-2011G27)。

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出版历程
- 收稿日期: 2010-07-08

The research on glacial-marine deposit types and sedimentary processes in the arctic Kongsfjorden

1.
Key Laboratory of State Oceanic Administration for Marine Sedimentology and Environmental Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061,China
2.
Qingdao Institute of Biological Energy Source and Process Chinese Academy of Sciences Qingdao 266071,China

摘要

摘要: 王湾作为发育于现代冰盖边缘的开放性峡湾,具有典型的冰海沉积特征,使其成为研究冰海沉积作用的良好场所。对湾内54个表层沉积物进行了粒度分析,并计算了其粒度参数。表层沉积物与其他地区冰碛物、冰水沉积物及冰海沉积物的对比,验证了应用粒度参数散点图在区分冰川亚环境过程中的有效性。参照冰海沉积物划分方案,将王湾的冰海沉积物划分为3类:基本缺乏粉砂和泥的Ⅰ型残副冰碛物、含砂砾的Ⅲ型沉积物和基本缺乏砂砾的Ⅳ型混合副冰碛物。对王湾沉积物的来源和沉积作用作了初步的探讨。
- 王湾 /
- 冰海沉积物 /
- 粒度分析 /
- 沉积作用
Abstract: Kongsfjorden being close to two tidewater glaciers at the high-latitudes of arctic, is an established reference site for study of the marine-glacial sedimentary processes and sedimentary environments. Fifty-four surface sediment samples were collected from Kongsfjorden during the summer scientific expedition of Chinese Arctic Huanghe River Station, in2007—2008. The grain-size characteristics of the sediment samples were studied and compared with modern moraine sediments of Europe, North America and China using the methods of discrete map for standard deviation and mean grain size. The marine-glacial deposits in Kongsfjorden can be divided into two major types according to the division of glacial-marine deposits types: residual paratill and compound paratill. The source of glacial-marine deposits and processes of glacial marine sedimentation were preliminarily discussed.
- Kongsfjorden /
- glacial-marine deposits /
- statistic parameters of grain size /
- sedimentary processes

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参考文献(35)

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