南大洋斯科舍海地球动力学背景及其对南桑威奇海沟地貌的影响

IF 0.9 4区地球科学 Q4 ECOLOGY

Polish Polar Research Pub Date : 2023-11-06 DOI:10.24425/ppr.2021.136510

Polina Lemenkova

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引用次数: 16

摘要

南桑威奇海沟位于南极洲和南美洲之间的斯科舍海德雷克海峡以东，是研究最少的深海海沟之一。它的地貌形成和现在的形状是在构造板块运动和各方面的地质背景，即沉积物厚度、断层、破碎带和地质地貌的强烈影响下形成的。本文的目的是在南桑威奇海沟形成和演化的背景下，将斯科舍海的地质和地球物理环境与南桑威奇海沟的个别地貌特征联系起来。链接几个数据集(GEBCO, ETOPO1, EGM96, GlobSed和海洋自由空气重力光栅网格，地质矢量层)突出了影响深海海沟形成和发展的各种因素之间的相关性，使用通用制图工具(GMT)进行制图。本文通过对GMT制图脚本工具集的技术应用，为南极地区海底地貌的区域研究做出了贡献。

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Geodynamic setting of Scotia Sea and its effects on geomorphology of South Sandwich Trench, Southern Ocean

The South Sandwich Trench located eastward of the Drake Passage in the Scotia Sea between Antarctica and South America is one of the least studied deep-sea trenches. Its geomorphological formation and present shape formed under the strong influence of the tectonic plate movements and various aspects of the geological setting, i.e., sediment thickness, faults, fracture zones and geologic lineaments. The aim of this paper is to link the geological and geophysical setting of the Scotia Sea with individual geomorphological features of the South Sandwich Trench in the context of the phenomena of its formation and evolution. Linking several datasets (GEBCO, ETOPO1, EGM96, GlobSed and marine free- air gravity raster grids, geological vector layers) highlights correlations between various factors affecting deep-sea trench formation and development, using the Generic Mapping Tools (GMT) for cartographic mapping. The paper contributes to the regional studies of the submarine geomorphology in the Antarctic region with a technical application of the GMT cartographic scripting toolset.

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来源期刊

Polish Polar Research ECOLOGY-GEOSCIENCES, MULTIDISCIPLINARY

CiteScore

2.00

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： The quarterly Polish Polar Research edited by the Committee on Polar Research of the Polish Academy of Sciences is an international journal publishing original research articles presenting the results of studies carried out in polar regions. All papers are peer-reviewed and published in English. The Editorial Advisory Board includes renowned scientist from Poland and from abroad.