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  Cascading hazards in the aftermath of Australia's 2019/2020 Black Summer wildfires

Kemter, M., Fischer, M., Luna, L. V., Schönfeldt, E., Vogel, J., Banerjee, A., Korup, O., Thonicke, K. (2021 online): Cascading hazards in the aftermath of Australia's 2019/2020 Black Summer wildfires. - Earth's Future, e2020EF001884.
https://doi.org/10.1029/2020EF001884

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Kemter, M.1, Autor
Fischer, M.1, Autor
Luna, L. V.2, Autor
Schönfeldt, E.1, Autor
Vogel, J.1, Autor
Banerjee, Abhirup2, Autor              
Korup, O.1, Autor
Thonicke, Kirsten2, Autor              
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Zusammenfassung: Following an unprecedented drought, Australia's 2019/2020 “Black Summer” fire season caused severe damage, gravely impacting both humans and ecosystems, and increasing susceptibility to other hazards. Heavy precipitation in early 2020 led to flooding and runoff that entrained ash and soil in burned areas, increasing sediment concentration in rivers, and reducing water quality. We exemplify this hazard cascade in a catchment in New South Wales by mapping burn severity, flood, and rainfall recurrence; estimating changes in soil erosion; and comparing them with river turbidity data. We show that following the extreme drought and wildfires, even moderate rain and floods led to undue increases in soil erosion and reductions in water quality. While natural risk analysis and planning commonly focuses on a single hazard, we emphasize the need to consider the entire hazard cascade, and highlight the impacts of ongoing climate change beyond its direct effect on wildfires.

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 Datum: 2021-01-212021-02-04
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1029/2020EF001884
MDB-ID: pending
PIKDOMAIN: RD1 - Earth System Analysis
PIKDOMAIN: RD4 - Complexity Science
Organisational keyword: RD1 - Earth System Analysis
Organisational keyword: RD4 - Complexity Science
Working Group: Ecosystems in Transition
Research topic keyword: Ecosystems
Research topic keyword: Extremes
Research topic keyword: Freshwater
Research topic keyword: Weather
Regional keyword: Oceania/Australia
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Titel: Earth's Future
Genre der Quelle: Zeitschrift, SCI, Scopus, p3, oa
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Seiten: - Band / Heft: - Artikelnummer: e2020EF001884 Start- / Endseite: - Identifikator: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/170925
Publisher: American Geophysical Union (AGU)