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气候变化下海洋水汽亏缺加剧陆地干旱的研究进展

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全球气候变暖背景下,干旱不断增强且日益严重.在以往的干旱研究中,海洋水汽亏缺的作用常被忽略.重点回顾海洋水汽输送减少导致长江中下游超级干旱事件发生、低纬度北大西洋水汽亏缺季节性传播登陆导致中纬度欧亚大陆陆地储水量下降以及人为气候变化影响海洋—内陆干旱特征与登陆过程等重要研究进展.研究全球气候变暖背景下海洋水汽亏缺的登陆和迁移过程及其对陆地干旱的影响机制具有重要的科学价值,也可以为我国应对和适应气候变化提供重要的科学支撑.
Research Progress on Oceanic Moisture Deficit and Its Impact on Terrestrial Drought Under Anthropogenic Climate Change
Under the background of anthropogenic climate change,droughts are increasing and enhanced.However,oceanic moisture deficits have been neglected in previous studies of droughts.This paper mainly reviews recent progress on the relationship between oceanic moisture deficits and terrestrial droughts,including the occurrence of super-drought events in the middle and lower reaches of the Yangtze River due to reduced oceanic moisture transport,the decline in mid-latitude Eurasian terrestrial water storage due to seasonally landfall and propagation of oceanic moisture deficits in the low-latitude North Atlantic,and the characterizes and landfalling processes of ocean-onto-land droughts exacerbated by anthropogenic climate change.The results are of great scientific values for understanding of the migration and landfall of oceanic moisture deficits and their impacts on terrestrial droughts under the background of anthropogenic climate change,which can also provide the scientific support for national decision-making on the adapting to climate change.

oceanic moisture deficitterrestrial droughtsclimate changefuture risks

管延松、顾西辉

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中国地质大学(武汉)地理与信息工程学院,武汉 430074

海洋水汽亏缺 陆地干旱 气候变化 未来风险

2024

中国基础科学
科学技术部基础研究管理中心

中国基础科学

CSTPCD
影响因子:0.345
ISSN:1009-2412
年,卷(期):2024.26(6)