Global‐mean radiative feedbacks and forcing in atmosphere‐only and coupled atmosphere‐ocean climate change experiments
Global‐mean radiative feedbacks and forcing in atmosphere‐only and coupled atmosphere‐ocean climate change experiments
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仅大气和大气-海洋耦合气候变化实验中的全球平均辐射反馈和强迫
DOI：
10.1002/2014gl060347
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发表时间：
2014
影响因子：
5.2
通讯作者：
M. Webb
中科院分区：
文献类型：
--
作者：
M. Ringer;T. Andrews;M. Webb
对现有的耦合模式比对项目第5阶段模式的分析表明，海面温度强迫、大气强迫的全球变暖实验（“amip4K”、“amipFuture”和“aqua4K”）可以很好地指导从耦合大气-海洋CO2强迫模拟中确定的全球云反馈，包括模式间传播。试验间总气候反馈参数的差异主要来自晴空反馈的差异，晴空反馈在很大程度上可以从实验设计的性质中预测出来。在耦合模拟中，有效CO2辐射强迫与总反馈呈负相关。随着实验设计的简化，系统响应的潜在自由度的减少，相关的物理过程可以被识别，这种反相关性就会增强。在水行星模拟中，反相关主要是由云对二氧化碳的快速调整和云对地表变暖增加的净响应的相反变化驱动的。为这种行为建立一个物理解释是未来重要的工作。
Analysis of the available Coupled Model Intercomparison Project Phase 5 models suggests that sea surface temperature‐forced, atmosphere‐only global warming experiments (“amip4K,” “amipFuture,” and “aqua4K”) are a good guide to the global cloud feedbacks determined from coupled atmosphere‐ocean CO2‐forced simulations, including the intermodel spread. Differences in the total climate feedback parameter between the experiments arise primarily from differences in the clear‐sky feedbacks which can largely be anticipated from the nature of the experimental design. The effective CO2 radiative forcing is anticorrelated with the total feedback in the coupled simulations. This anticorrelation strengthens as the experimental design becomes simpler, the number of potential degrees of freedom of the system's response reduces, and the relevant physical processes can be identified. In the aquaplanet simulations the anticorrelation is primarily driven by opposing changes in the rapid cloud adjustment to CO2 and the net cloud response to increased surface warming. Establishing a physical explanation for this behavior is important future work.
影响因子：
4.6
作者：
P. Good;William Ingram;William Ingram;F. H. Lambert;J. Lowe;J. M. Gregory;J. M. Gregory;M. Webb;M. Ringer;P. Wu
通讯作者：
P. Good;William Ingram;William Ingram;F. H. Lambert;J. Lowe;J. M. Gregory;J. M. Gregory;M. Webb;M. Ringer;P. Wu