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Side-scan sonar survey in the Pechora Sea, Russian Arctic

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Title
Side-scan sonar survey in the Pechora Sea, Russian Arctic
Other Titles
북극 페초라해의 Side-scan Sonar 해저면 음향영상
Authors
Jin, Young Keun
Chung, Kyung Ho
Lee, Ju-Han
Kim, Yeadong
Subject
Environmental Sciences & Ecology
Keywords
Side-scan sonar; Pechora Sea; Arctic; pockmarks
Issue Date
2005
Citation
Jin, Young Keun, et al. 2005. "Side-scan sonar survey in the Pechora Sea, Russian Arctic". Korean Geophysical Society, 8(4): 187-194.
Abstract
As a study of Arctic marine survey project, Side-scan sonar survey was carried out in the Pechora Seabelonging to the southeaster part of Barents Sea. The study area is a shalow sea 11 m-16 m deep with recent sediments of rich organic carbon. Side-scan sonar profiles show large-scale marine plant communities 2-3 m wide covering the southeastern area. A lot of lineaments are traced on the seafloorWNW-ESE). This trends is thought to be a main path of icebergs. Pockmarks on the seaflor are localydistributed in the area, which are formed by fluid and/or gas discharge. These would be related with petroleum/gas system wel developed around the study area. Dut to weak appearances and limited dis-tribution of the pockmarks, more detailed studies are necessary to examine their nature and structure.Key words Side-scan sonar, Pechora Sea, Arctic, pockmarks
URI
http://repository.kopri.re.kr/handle/201206/5947
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