Individual contributions of climate and vegetation change to soil moisture trends across multiple spatial scales.
Individual contributions of climate and vegetation change to soil moisture trends across multiple spatial scales.
复制标题
气候和植被变化对多个空间尺度土壤湿度趋势的单独贡献
DOI：
10.1038/srep32782
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发表时间：
2016-09-07
影响因子：
4.6
通讯作者：
Feng H
中科院分区：
文献类型：
--
作者：
Feng H
气候和植被变化是影响土壤水分变化趋势的两个主要因素。然而，由于其复杂的相互作用，它们各自的贡献仍然未知。在这里，我通过一种基于统计学的方法，在全球、区域和地方范围内对他们的贡献进行了分类。结果表明，气候变化对全球干湿趋势的贡献率分别为98.78%和114.64%。植被变化的影响相对较弱（占全球干旱和湿润的1.22%和-14.64%），因为它发生在陆地上的有限区域。从区域上看，植被变化的影响不容忽视，其贡献了湿润带土壤水分变化的-40.21%。在当地，贡献与当地的环境特征密切相关。在干旱和植被稀疏的地区，植被对土壤水分趋势有负面影响，而在潮湿和植被密集的地区，植被对土壤水分趋势有正面影响。我的结论是，气候和植被变化的个人贡献在全球，区域和地方尺度上各不相同。气候变化主导着土壤水分的变化趋势，而植被变化则是气候变化下土壤干湿的调节器。
Climate and vegetation change are two dominating factors for soil moisture trend. However, their individual contributions remain unknown due to their complex interaction. Here, I separated their contributions through a trajectory-based method across the global, regional and local scales. Our results demonstrated that climate change accounted for 98.78% and 114.64% of the global drying and wetting trend. Vegetation change exhibited a relatively weak influence (contributing 1.22% and −14.64% of the global drying and wetting) because it occurred in a limited area on land. Regionally, the impact of vegetation change cannot be neglected, which contributed −40.21% of the soil moisture change in the wetting zone. Locally, the contributions strongly correlated to the local environmental characteristics. Vegetation negatively affected soil moisture trends in the dry and sparsely vegetated regions and positively in the wet and densely vegetated regions. I conclude that individual contributions of climate and vegetation change vary at the global, regional and local scales. Climate change dominates the soil moisture trends, while vegetation change acts as a regulator to drying or wetting the soil under the changing climate.
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影响因子：
3.7
作者：
MAPA, RB
通讯作者：
MAPA, RB
DOI：
10.1073/pnas.1222475110
发表时间：
2014-03-04
影响因子：
11.1
作者：
Haddeland, Ingjerd;Heinke, Jens;Wisser, Dominik
通讯作者：
Wisser, Dominik
影响因子：
64.8
作者：
Min, Seung-Ki;Zhang, Xuebin;Hegerl, Gabriele C.
通讯作者：
Hegerl, Gabriele C.
影响因子：
18.3
作者：
Greve, Peter;Orlowsky, Boris;Seneviratne, Sonia I.
通讯作者：
Seneviratne, Sonia I.
影响因子：
56.9
作者：
Koster, RD;Dirmeyer, PA;Yamada, T
通讯作者：
Yamada, T