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学科主题: Oceanography
题名: Variability of oceanic carbon cycle in the North Pacific from seasonal to decadal scales
作者: Xiu, P ; Chai, F
通讯作者: pxiu@scsio.ac.cn
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
发表日期: 2014
卷: 119, 期:8, 页:5270-5288
收录类别: sci
部门归属: [Xiu, Peng] Chinese Acad Sci, State Key Lab Trop Oceanog, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China ; [Xiu, Peng ; Chai, Fei] Univ Maine, Sch Marine Sci, Orono, ME USA
项目归属: LTO
资助者: 100-Talent Program of Chinese Academy of Sciences [50601-112]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDA10010304]
摘要: Variability of upper-ocean carbon cycle in the North Pacific during 1958-2010 period is investigated using a physical-biogeochemical model. Comparisons with in situ data from five different oceanographic environments in the South China Sea, Monterey Bay, North Pacific gyre, northwestern Pacific, and Gulf of Alaska indicate that the model usually captures observed seasonal and interannual variability in both sea surface pCO(2) and sea-air CO2 flux. Seasonal variability of pCO(2) and CO2 flux in the North Pacific follows the change in sea surface temperature (SST) closely with high and low values in summer and winter, respectively. Total CO2 modifies pCO(2) seasonal pattern in an opposite manner with respect to SST, and surface wind speed modifies the magnitude of CO2 flux variations. On interannual and decadal time scales, sea surface pCO(2) is primarily controlled by anthropogenic CO2, followed by modulations by the El Nino-Southern Oscillation and the Pacific Decadal Oscillation (PDO), while sea-air CO2 flux is significantly regulated by the PDO and the North Pacific Gyre Oscillation (NPGO). We show that anthropogenic CO2 tends to amplify the influence on CO2 flux from the PDO but to damp the influence from the NPGO.
原文出处: 查看原文
WOS记录号: WOS:000342519500032
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10516
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Recommended Citation:
Xiu, P; Chai, F.Variability of oceanic carbon cycle in the North Pacific from seasonal to decadal scales,JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2014,119(8):5270-5288
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