Distributions of surface sediments surrounding the Antarctic Peninsula and its environmental significance

We analyzed grain size composition to provide information on the types and distributions as well as depositional varieties of marine surface sediments from the area surrounding the Antarctic Peninsula. The samples retrieved from the study area contain gravel, sand, silt and clay. As suggested by bat...

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Bibliographic Details
Main Authors: Chunjuan, Wang, Zhihua, Chen, Chunshun, Li, Dewen, Du, Shijuan, Yan, Zhiwei, Zhu
Format: Article in Journal/Newspaper
Language:English
Published: Polar Research Institute of China - PRIC 2014
Subjects:
Oceans
Terrestrial
Advances in Polar Science
Antarc*
Antarctic
Antarctic Peninsula
Polar Science
Online Access:http://library.arcticportal.org/2534/
http://library.arcticportal.org/2534/1/A20140305.pdf
Description
Summary:We analyzed grain size composition to provide information on the types and distributions as well as depositional varieties of marine surface sediments from the area surrounding the Antarctic Peninsula. The samples retrieved from the study area contain gravel, sand, silt and clay. As suggested by bathymetry and morphology, the study area is characterized by neritic, hemipelagic and pelagic deposits. The glacial-marine sediments can be divided into two types, residual paratill and compound paratill, which are primarily transported by glaciers and as ice-rafted debris. Ocean current effects on deposition are more obvious, and the deposit types are distributed consistently with terrain variations.

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