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干ばつ

Also known as drouth, droughts

A drought is a period of drier-than-normal conditions. A drought can last for days, months or years. Drought often has large impacts on the ecosystems and agriculture of affected regions, and causes harm to the local economy. Annual dry seasons in the tropics significantly increase the chances of a drought developing, with subsequent increased wildfire risks. Heat waves can significantly worsen drought conditions by increasing evapotranspiration. This dries out forests and other vegetation, and increases the amount of fuel for wildfires.

AI overview

A drought is an extended period of drier-than-normal conditions that can last anywhere from days to years. Droughts matter because they can cause significant damage to ecosystems and agriculture, harm local economies, and increase the risk of wildfires—especially when combined with heat waves that dry out vegetation.

AI-generated from the Wikipedia summary — may contain errors.

Research

46,745 papers

Microbial drought resistance may destabilize soil carbon.ReviewTrends in microbiology · 2023Allison SDDOI: 10.1016/j.tim.2023.03.002
Global drought trends and future projections.ReviewPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2022Vicente-Serrano SM, Peña-Angulo D, Beguería S et al.DOI: 10.1098/rsta.2021.0285
Drought and global hunger: biotechnological interventions in sustainability and management.ReviewPlanta · 2022Mansoor S, Khan T, Farooq I et al.DOI: 10.1007/s00425-022-04006-x
Down-to-earth drought resistance.Nature plants · 2024DOI: 10.1038/s41477-024-01686-z
How do plants remember drought?ReviewPlanta · 2022Sadhukhan A, Prasad SS, Mitra J et al.DOI: 10.1007/s00425-022-03924-0
Drought legacies and ecosystem responses to subsequent drought.ReviewGlobal change biology · 2022Müller LM, Bahn MDOI: 10.1111/gcb.16270
Drought-related cholera outbreaks in Africa and the implications for climate change: a narrative review.ReviewPathogens and global health · 2022Charnley GEC, Kelman I, Murray KADOI: 10.1080/20477724.2021.1981716
Drought's physiological footprint: implications for crop improvement in rice.ReviewMolecular biology reports · 2025Sagar S, Ramamoorthy P, Ramalingam S et al.DOI: 10.1007/s11033-025-10405-6

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Wikidata facts

Instance of: natural disaster
Image: Drought.jpg

Show 9 more facts

facet of: meteorology
has characteristic: absence
Commons category: Drought
topic's main category: Category:Droughts
has effect: war
described by source: Gujin Tushu Jicheng
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
exact match: purl.obolibrary.org/obo/ENVO_1000745
has contributing factor: global warming

Sources (8)

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Article · 日本語

旱魃／干魃（かんばつ）とは、雨が降らないなどの原因である地域に起こる長期間の水不足の状態である。旱は「ひでり」、魃は「ひでりの神」の意味である。旱魃の被害を総じて干害（かんがい）と呼ぶ。旱害とも書き、これは干害の書き換え語でもある（従前から存在する同音同義語であり、新しい表記ではない）。干害はその地域の水資源の存在量と人間の水需要がアンバランスになることによって発生するため、純粋な物理現象とはいえない。

Abstract from DBpedia / Wikipedia · CC BY-SA