Attribution of Terrestrial Near-Surface Wind Speed Changes Across China at a Centennial Scale,Geophysical Research Letters

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Attribution of Terrestrial Near-Surface Wind Speed Changes Across China at a Centennial Scale
Geophysical Research Letters ( IF 5.2 ) Pub Date : 2024-04-03 , DOI: 10.1029/2024gl108241
Jinlin Zha _{1,

2} , Ting Chuan ₁ , Jian Wu ₁ , Deming Zhao ₂ , Meng Luo ₃ , Jinming Feng ₂ , Wenxuan Fan ₁ , Cheng Shen ₄ , Huiping Jiang _{5,

6}

Affiliation

Near-surface wind speed (NSWS) over China shows multiple time-scale changes at a centennial scale, but the contributions of internal variability (IV), anthropogenic forcing (ANT), and natural forcing (NAT) to those changes remain unknown. This study investigated the contributions of IV, ANT, and NAT to NSWS changes at a centennial scale. Results show that the NSWS changes were attributed mainly to IV. IV not only modulated the interannual changes in NSWS but also determined the interdecadal transition in NSWS. The relative contributions of IV to the interannual and decadal NSWS exceeded 75.0%. ANT contributed particularly to the long-term reduction in NSWS; especially, it has contributed 55.0% of the reduction in NSWS since 1957, serving as the major contributor to the reduction in NSWS. NAT had a small-to-negligible effect on China's NSWS throughout the study period. This study enhances our understanding of NSWS changes at different time scales.

更新日期：2024-04-03

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