The recycling rate of atmospheric moisture over the past two decades (1988–2009)
The recycling rate of atmospheric moisture over the past two decades (1988–2009)
复制标题
近二十年（1988-2009）大气水分循环率
DOI：
10.1088/1748-9326/6/3/034018
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发表时间：
2011
影响因子：
6.7
通讯作者：
Y. Yung
中科院分区：
文献类型：
--
作者：
Liming Li;Xun Jiang;M. Chahine;E. Olsen;E. Fetzer;L. Chen;Y. Yung
数值模型预测，在全球范围内，大气水分的再循环率随着时间的推移而下降，以应对全球变暖。最近的一项观测研究（Wentz et al 2007 Science 317 233-5）与数值模型的结果不一致。在这里，我们通过使用最新的降水和水汽数据集来检查再循环率，并提出了数值模型和观测之间大气水分全球再循环率的一致观点。我们的分析表明，在过去二十年中，全球海洋的大气水分再循环率也有所下降。此外，我们发现不同的时间变化的回收率在不同的地区时，探索的空间格局的回收率。特别是，在赤道周围的高降水区（即，热带辐合带），而在过去二十年中，位于赤道两侧的低降水区的降水量有所减少。进一步的分析表明，降水的时间变化比水汽的时间变化更强，导致了高降水区再循环率的正向变化趋势和低降水区再循环率的负向变化趋势。
Numerical models predict that the recycling rate of atmospheric moisture decreases with time at the global scale, in response to global warming. A recent observational study (Wentz et al 2007 Science 317 233–5) did not agree with the results from numerical models. Here, we examine the recycling rate by using the latest data sets for precipitation and water vapor, and suggest a consistent view of the global recycling rate of atmospheric moisture between numerical models and observations. Our analyses show that the recycling rate of atmospheric moisture has also decreased over the global oceans during the past two decades. In addition, we find different temporal variations of the recycling rate in different regions when exploring the spatial pattern of the recycling rate. In particular, the recycling rate has increased in the high-precipitation region around the equator (i.e., the intertropical convergence zone) and decreased in the low-precipitation region located either side of the equator over the past two decades. Further exploration suggests that the temporal variation of precipitation is stronger than that of water vapor, which results in the positive trend of the recycling rate in the high-precipitation region and the negative trend of the recycling rate in the low-precipitation region.
气候变化的水蒸气反馈的一个非常简单的模型
影响因子：
8.9
作者：
Ingram W
通讯作者：
Ingram W
影响因子：
6.7
作者：
Allan, Richard P.;Soden, Brian J.;Good, Peter
通讯作者：
Good, Peter