Flash drought typologies and societal impacts: a worldwide review of occurrence, nomenclature, and experiences of local populations

Walker, David W.; Vergopolan, Noemi; Cavalcante, Louise; Smith, Kelly Helm; Mawuton David Agoungbome, Sehouevi; Almagro, André; Apurv, Tushar; Dahal, Nirmal Mani; Hoffmann, David; Singh, Vishal; Xiang, Zhang

doi:10.1175/wcas-d-23-0015.1

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Flash drought typologies and societal impacts: a worldwide review of occurrence, nomenclature, and experiences of local populations

2023
By Walker, David W. ; Vergopolan, Noemi ; Cavalcante, Louise ; ...
Source: Weather, Climate, and Society (2023)

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Journal Title:

Weather, Climate, and Society
Personal Author:

Walker, David W. ; Vergopolan, Noemi ; Cavalcante, Louise ; Smith, Kelly Helm ; Mawuton David Agoungbome, Sehouevi ; ... More +

Walker, David W. ; Vergopolan, Noemi ; Cavalcante, Louise ; Smith, Kelly Helm ; Mawuton David Agoungbome, Sehouevi ; Almagro, André ; Apurv, Tushar ; Dahal, Nirmal Mani ; Hoffmann, David ; Singh, Vishal ; Xiang, Zhang Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory)

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory) Less -
Description:

Flash droughts, characterised by rapid onset and intensification, are increasingly occurring as a consequence of climate change and rising temperatures. However, existing hydrometeorological definitions fail to encompass the full range of flash droughts, many of which have distinct local physical attributes. Consequently, these events often go undetected or unforecast in generic global flash drought assessments and are underrepresented in research. To address this gap, we conducted a comprehensive survey to gather information on local nomenclature, characteristics, and impacts of flash droughts worldwide. The survey revealed the widespread occurrence of these phenomena, highlighting their under-researched nature. By analysing case studies, through literature review often in local languages to unearth elusive studies, we identified five different types of flash droughts based on their specific characteristics. Our study aims to increase awareness about the complexity and diverse impacts of flash droughts, emphasising the importance of considering regional contexts and the vulnerability of affected populations. The reported impacts underscore the need for better integration of all flash drought types in drought research, monitoring, and management. Monitoring a combination of indicators is crucial for timely detection and response to this emerging and escalating threat.
Keywords:

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Atmospheric Science Global And Planetary Change Social Sciences (miscellaneous)
Source:

Weather, Climate, and Society (2023)
DOI:

https://doi.org/10.1175/wcas-d-23-0015.1
ISSN:

1948-8327;1948-8335;
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American Meteorological Society
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Journal Article
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urn:sha256:58526a1716b6801f7ff7ce02cd4e8524f8a07c40f2a39d1884b1eedfc5621258
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https://repository.library.noaa.gov/view/noaa/60247/noaa_60247_DS1.pdf
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Flash drought typologies and societal impacts: a worldwide review of occurrence, nomenclature, and experiences of local populations

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