Drake passage oceanic pCO2: Evaluating CMIP5 coupled carbon-climate models using in situ observations
Drake passage oceanic pCO2: Evaluating CMIP5 coupled carbon-climate models using in situ observations
复制标题
德雷克通道海洋 pCO2：使用现场观测评估 CMIP5 耦合碳气候模型
DOI：
10.1175/jcli-d-12-00571.1
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发表时间：
2013
影响因子：
4.9
通讯作者：
J. Sprintall
中科院分区：
文献类型：
--
作者：
Sarah;T.;Gille;J. Sprintall
利用10年的船载测量资料，研究了德雷克海峡表层水CO2分压（pCO 2）的变化。在极锋（PF）以北，观测到的pCO 2显示出一个季节性周期，每年8月达到峰值，溶解无机碳（DIC）强迫变化显着。就在PF南部，pCO 2显示出一个小的季节性周期，每年2月达到峰值，反映了表层沃茨中SST和DIC变化的相反影响。在PF，冬季pCO 2几乎与大气平衡，导致一个小的海-气CO2通量。这些观测结果被用来评估8个可用的耦合模式相互比较项目，第5阶段（CMIP 5），地球系统模式（ESM）。6个ESM重现了德雷克海峡区域的年平均pCO 2观测值。然而，由于SST和表面DIC的模型偏差，pCO 2季节周期的模型振幅超过了pCO 2季节周期的观测振幅。北方的...
AbstractSurface water partial pressure of CO2 (pCO2) variations in Drake Passage are examined using decade-long underway shipboard measurements. North of the Polar Front (PF), the observed pCO2 shows a seasonal cycle that peaks annually in August and dissolved inorganic carbon (DIC)–forced variations are significant. Just south of the PF, pCO2 shows a small seasonal cycle that peaks annually in February, reflecting the opposing effects of changes in SST and DIC in the surface waters. At the PF, the wintertime pCO2 is nearly in equilibrium with the atmosphere, leading to a small sea-to-air CO2 flux.These observations are used to evaluate eight available Coupled Model Intercomparison Project, phase 5 (CMIP5), Earth system models (ESMs). Six ESMs reproduce the observed annual-mean pCO2 values averaged over the Drake Passage region. However, the model amplitude of the pCO2 seasonal cycle exceeds the observed amplitude of the pCO2 seasonal cycle because of the model biases in SST and surface DIC. North of the ...
影响因子：
5.1
作者：
Jones, C. D.;Hughes, J. K.;Zerroukat, M.
通讯作者：
Zerroukat, M.