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Natural hazards in ...
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Kiem, Anthony S.Centre for Water, Climate and Land (CWCL), Faculty of Science and IT, University of Newcastle, Callaghan, Australia
(author)
Natural hazards in Australia: droughts
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016-09-19
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Springer Nature,2016
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:umu-224321
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-224321URI
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https://doi.org/10.1007/s10584-016-1798-7DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Droughts are a recurrent and natural part of the Australian hydroclimate, with evidence of drought dating back thousands of years. However, our ability to monitor, attribute, forecast and manage drought is exposed as insufficient whenever a drought occurs. This paper summarises what is known about drought hazard, as opposed to the impacts of drought, in Australia and finds that, unlike other hydroclimatic hazards, we currently have very limited ability to tell when a drought will begin or end. Understanding, defining, monitoring, forecasting and managing drought is also complex due to the variety of temporal and spatial scales at which drought occurs and the diverse direct and indirect causes and consequences of drought. We argue that to improve understanding and management of drought, three key research challenges should be targeted: (1) defining and monitoring drought characteristics (i.e. frequency, start, duration, magnitude, and spatial extent) to remove confusion between drought causes, impacts and risks and better distinguish between drought, aridity, and water scarcity due to over-extractions; (2) documenting historical (instrumental and pre-instrumental) variation in drought to better understand baseline drought characteristics, enable more rigorous identification and attribution of drought events or trends, inform/evaluate hydrological and climate modelling activities and give insights into possible future drought scenarios; (3) improving the prediction and projection of drought characteristics with seasonal to multidecadal lead times and including more realistic modelling of the multiple factors that cause (or contribute to) drought so that the impacts of natural variability and anthropogenic climate change are accounted for and the reliability of long-term drought projections increases.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Johnson, FionaSchool of Civil and Environmental Engineering, University of New South Wales, Sydney, Australia
(author)
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Westra, SethSchool of Civil, Environmental and Mining Engineering, University of Adelaide, Adelaide, Australia
(author)
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van Dijk, AlbertFenner School of Environment & Society, Australian National University, Canberra, Australia
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Evans, Jason P.Climate Change Research Centre and ARC Centre of Excellence for Climate System Science, University of New South Wales, Sydney, Australia
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O'Donnell, AlisonSchool of Plant Biology, University of Western Australia, Perth, Australia
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Rouillard, AlexandraSchool of Plant Biology, University of Western Australia, Perth, Australia(Swepub:umu)alro0107
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Barr, CameronDepartment of Geography, Environment and Population, University of Adelaide, Adelaide, Australia
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Tyler, JonathanDepartment of Earth Sciences, University of Adelaide, Adelaide, Australia; Sprigg Geobiology Centre, University of Adelaide, Adelaide, Australia
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Thyer, MarkSchool of Civil, Environmental and Mining Engineering, University of Adelaide, Adelaide, Australia
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Jakob, DoerteEnvironment and Research, Bureau of Meteorology, Melbourne, Australia
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Woldemeskel, FitsumSchool of Civil and Environmental Engineering, University of New South Wales, Sydney, Australia
(author)
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Sivakumar, BellieSchool of Civil and Environmental Engineering, University of New South Wales, Sydney, Australia; Department of Land, Air and Water Resources, University of California, Davis, USA
(author)
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Mehrotra, RajSchool of Civil and Environmental Engineering, University of New South Wales, Sydney, Australia
(author)
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Centre for Water, Climate and Land (CWCL), Faculty of Science and IT, University of Newcastle, Callaghan, AustraliaSchool of Civil and Environmental Engineering, University of New South Wales, Sydney, Australia
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In:Climatic Change: Springer Nature139:1, s. 37-540165-00091573-1480
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Kiem, Anthony S.
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Johnson, Fiona
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Westra, Seth
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van Dijk, Albert
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Evans, Jason P.
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O'Donnell, Aliso ...
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Rouillard, Alexa ...
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Barr, Cameron
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Tyler, Jonathan
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Thyer, Mark
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Jakob, Doerte
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Woldemeskel, Fit ...
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Sivakumar, Belli ...
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Mehrotra, Raj
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Climatic Change
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Umeå University