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Fabric and crystal characteristics of Bohai and Arctic sea ice

李志军 康建成 蒲毅彬

极地研究(英文版)2002,Vol.13Issue(1):23-28,6.
极地研究(英文版)2002,Vol.13Issue(1):23-28,6.

Fabric and crystal characteristics of Bohai and Arctic sea ice

Fabric and crystal characteristics of Bohai and Arctic sea ice

李志军 1康建成 2蒲毅彬3

作者信息

  • 1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China
  • 2. State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sci
  • 3. Polar Research Institute of China, Shanghai 200129, China
  • 折叠

摘要

Abstract

The fabrics and crystals of Bohai one-year ice show that the noncontinuous ice growth rate enables the level ice layers with different amount of air bubbles to be formed in lower part of an ice sheet which was clearly seen from CT technology; typical grain ice and columnar ice occur in the grey ice which grows in stable water; thaw-refrozen ice and rafted ice have their specific crystal characters. On the Arctic sea ice, the ice core located at 72°24.037′N, 153°33.994′W and 2.2 m in length was a 3-year ice floe and a new sort of crystal was found, which is defined as refrozen clastic pieces. The crystal profile of the ice core 4.86 m in length located at 74°58.614′N, 160°31.830′W shows the evidence that ice ridge changed into hummock.

关键词

Bohai/Arctic/sea ice/fabrics/crystals

Key words

Bohai/Arctic/sea ice/fabrics/crystals

分类

天文与地球科学

引用本文复制引用

李志军,康建成,蒲毅彬..Fabric and crystal characteristics of Bohai and Arctic sea ice[J].极地研究(英文版),2002,13(1):23-28,6.

基金项目

The paper was supported by the National Natural Science Foundation of China (No.49776278) and partly supported by the project of First Chinese National Arctic Research Expedition. During the crystal analysis of Arctic ice samples, helpful discussions were (No.49776278)

极地研究(英文版)

1674-9928

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