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LONG-LIVED GREENHOUSE GASES (CO2, CH4, N2O) IN THE PACIFIC SECTOR OF THE SOUTHERN OCEAN AND THE AMUNDSEN SEA BETWEEN 2009 - 2012

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Title
LONG-LIVED GREENHOUSE GASES (CO2, CH4, N2O) IN THE PACIFIC SECTOR OF THE SOUTHERN OCEAN AND THE AMUNDSEN SEA BETWEEN 2009 - 2012
Other Titles
LONG-LIVED GREENHOUSE GASES (CO2, CH4, N2O) IN THE PACIFIC SECTOR OF THE SOUTHERN OCEAN AND THE AMUNDSEN SEA BETWEEN 2009 - 2012
Authors
Kwon, Young Shin
Park, Kyung-Ah
Lee, Kyung Eun
Lee, Sang H.
Jeaon, Hyunduck
Hahm, Doshik
Rhee, Tae Siek
Shin, Hyoung Chul
Keywords
amundsen sea; greenhouse gases; southern ocean
Issue Date
2012
Citation
Kwon, Young Shin, et al. 2012. LONG-LIVED GREENHOUSE GASES (CO2, CH4, N2O) IN THE PACIFIC SECTOR OF THE SOUTHERN OCEAN AND THE AMUNDSEN SEA BETWEEN 2009 - 2012. Solas. Solas. 2012.11.27~.
Abstract
The ocean plays a considerable role in the budget of long-lived greenhouse gases in the atmosphere: as a sink for CO2 and a source for CH4 and N2O. The high latitude of the Southern Ocean is particularly important as the change in the sea ice extent and melting glaciers will influence the ecological and physical settings that govern the content and flux of dissolved gases in seawater. In order to investigate the impact of the change in the cryospheric environment to the fluxes of these trace gases, we visited the Pacific sector of the Southern Ocean and the Amundsen Sea during the austral summer between 2009 and 2012. In the open ocean, CO2 was mostly undersaturated while N2O and CH4 were supersaturated in seawater. These typical features were reversed in the sea-ice region except for N2O. In the Amundsen Sea polynya, CO2 and CH4 were depleted in seawater while dissolved N2O was supersaturated with respect to the atmosphere.ea ice extent and melting glaciers will influence the ecological and physical settings that govern the content and flux of dissolved gases in seawater. In order to investigate the impact of the change in the cryospheric environment to the fluxes of these trace gases, we visited the Pacific sector of the Southern Ocean and the Amundsen Sea during the austral summer between 2009 and 2012. In the open ocean, CO2 was mostly undersaturated while N2O and CH4 were supersaturated in seawater. These typical features were reversed in the sea-ice region except for N2O. In the Amundsen Sea polynya, CO2 and CH4 were depleted in seawater while dissolved N2O was supersaturated with respect to the atmosphere.
URI
http://repository.kopri.re.kr/handle/201206/8377
Conference Name
Solas
Conference Place
Solas
Conference Date
2012.11.27~
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