干旱和特大干旱

IF 1.6 4区地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES

Atmosphere-Ocean Pub Date : 2022-07-13 DOI:10.1080/07055900.2022.2086848

Jialin Lin, Taotao Qian, S. Schubert

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引用次数: 2

摘要

干旱因其持续时间长、空间覆盖广、直接关系到人类的粮食供应，是地球上最致命的自然灾害。干旱发展缓慢，因此被称为无声杀手。本文回顾了干旱和特大干旱的研究历史。许多地方的年际干旱是由厄尔尼诺-南方涛动驱动的，多年代际大干旱通常是由大西洋多年代际涛动驱动的，而百年代际大干旱通常是由全球百年代际涛动驱动的。更一般地说，干旱受到多种因素的影响，包括全球海面温度异常、局部陆地-大气反馈、大气内部变率和来自气候系统外部的外部强迫。并提出了今后可能的研究方向。

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Droughts and Mega-Droughts

ABSTRACT Drought is the deadliest natural disaster on Earth due to its long duration, wide spatial coverage and direct connection with the food supply for human beings. Drought develops slowly and thus is called a silent killer. This paper reviews the history of research on droughts and mega-droughts. Interannual droughts are in many places driven by the El Nino-Southern Oscillation, multi-decadal mega-droughts are often driven by the Atlantic Multi-Decadal Oscillation, while centennial mega-droughts are often driven by the Global Inter-Centennial Oscillation. More generally, droughts are affected by multiple factors including global sea surface temperature anomalies, local land-atmosphere feedbacks, internal atmospheric variability and external forcings from outside the climate system. Possible future research directions are also suggested.

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来源期刊

Atmosphere-Ocean 地学-海洋学

CiteScore

2.50

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： Atmosphere-Ocean is the principal scientific journal of the Canadian Meteorological and Oceanographic Society (CMOS). It contains results of original research, survey articles, notes and comments on published papers in all fields of the atmospheric, oceanographic and hydrological sciences. Arctic, coastal and mid- to high-latitude regions are areas of particular interest. Applied or fundamental research contributions in English or French on the following topics are welcomed: climate and climatology; observation technology, remote sensing; forecasting, modelling, numerical methods; physics, dynamics, chemistry, biogeochemistry; boundary layers, pollution, aerosols; circulation, cloud physics, hydrology, air-sea interactions; waves, ice, energy exchange and related environmental topics.