globalchange  > 气候减缓与适应
DOI: 10.1029/2018JC014073
Scopus记录号: 2-s2.0-85050772298
论文题名:
Temporal Variability in Surface Water pCO2 in Adventfjorden (West Spitsbergen) With Emphasis on Physical and Biogeochemical Drivers
作者: Ericson Y.; Falck E.; Chierici M.; Fransson A.; Kristiansen S.; Platt S.M.; Hermansen O.; Myhre C.L.
刊名: Journal of Geophysical Research: Oceans
ISSN: 21699275
出版年: 2018
卷: 123, 期:7
起始页码: 4888
结束页码: 4905
语种: 英语
英文关键词: air-sea CO2 exchange ; Arctic fjord ; surface water pCO2 ; Svalbard
英文摘要: Seasonal and interannual variability in surface water partial pressure of CO2 (pCO2) and air-sea CO2 fluxes from a West Spitsbergen fjord (IsA Station, Adventfjorden) are presented, and the associated driving forces are evaluated. Marine CO2 system data together with temperature, salinity, and nutrients, were collected at the IsA Station between March 2015 and June 2017. The surface waters were undersaturated in pCO2 with respect to atmospheric pCO2 all year round. The effects of biological activity (primary production/respiration) followed by thermal forcing on pCO2 were the most important drivers on a seasonal scale. The ocean was a sink for atmospheric CO2 with annual air-sea CO2 fluxes of −36 ± 2 and −31 ± 2 g C·m−2·year−1 for 2015–2016 and 2016–2017, respectively, as estimated from the month of April. Waters of an Arctic origin dominated in 2015 and were replaced in 2016 by waters of a transformed Atlantic source. The CO2 uptake rates over the period of Arctic origin waters were significantly higher (2 mmol C·m−2·day−1) than the rates of the Atlantic origin waters of the following year. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113619
Appears in Collections:气候减缓与适应

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作者单位: Department of Arctic Geophysics, University Centre in Svalbard, Longyearbyen, Norway; Geophysical Institute, University of Bergen, Bergen, Norway; Institute of Marine Research, Fram Centre, Tromsø, Norway; Norwegian Polar Institute, Fram Centre, Tromsø, Norway; Department of Arctic and Marine Biology, UiT-The Arctic University of Norway, Tromsø, Norway; NILU-Norwegian Institute for Air Research, Kjeller, Norway

Recommended Citation:
Ericson Y.,Falck E.,Chierici M.,et al. Temporal Variability in Surface Water pCO2 in Adventfjorden (West Spitsbergen) With Emphasis on Physical and Biogeochemical Drivers[J]. Journal of Geophysical Research: Oceans,2018-01-01,123(7)
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