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  Spatio-temporal patterns of extreme fires in Amazonian forests

Cano-Crespo, A., Traxl, D., Thonicke, K. (2021): Spatio-temporal patterns of extreme fires in Amazonian forests. - European Physical Journal - Special Topics, 230, 14-15, 3033-3044.
https://doi.org/10.1140/epjs/s11734-021-00164-3

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Cano-Crespo, Ana1, Autor              
Traxl, Dominik2, Autor
Thonicke, Kirsten1, Autor              
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Zusammenfassung: Fires are a fundamental part of the Earth System. In the last decades, they have been altering ecosystem structure, biogeochemical cycles and atmospheric composition with unprecedented rapidity. In this study, we implement a complex networks-based methodology to track individual fires over space and time. We focus on extreme fires—the 5% most intense fires—in the tropical forests of the Brazilian Legal Amazon over the period 2002–2019. We analyse the interannual variability in the number and spatial patterns of extreme forest fires in years with diverse climatic conditions and anthropogenic pressure to examine potential synergies between climate and anthropogenic drivers. We observe that major droughts, that increase forest flammability, co-occur with high extreme fire years but also that it is fundamental to consider anthropogenic activities to understand the distribution of extreme fires. Deforestation fires, fires escaping from managed lands, and other types of forest degradation and fragmentation provide the ignition sources for fires to ignite in the forests. We find that all extreme forest fires identified are located within a 0.5-km distance from forest edges, and up to 56% of them are within a 1-km distance from roads (which increases to 73% within 5 km), showing a strong correlation that defines spatial patterns of extreme fires.

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Sprache(n): eng - Englisch
 Datum: 2021-04-232021-06-242021-10
 Publikationsstatus: Final veröffentlicht
 Seiten: 12
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: MDB-ID: No data to archive
PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
Research topic keyword: Land use
Research topic keyword: Forest
Research topic keyword: Ecosystems
Research topic keyword: Extremes
Research topic keyword: Complex Networks
Regional keyword: South America
Model / method: Open Source Software
Model / method: Nonlinear Data Analysis
Working Group: Ecosystems in Transition
DOI: 10.1140/epjs/s11734-021-00164-3
OATYPE: Hybrid - DEAL Springer Nature
 Art des Abschluß: -

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Titel: European Physical Journal - Special Topics
Genre der Quelle: Zeitschrift, SCI, Scopus, p3
 Urheber:
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 230 (14-15) Artikelnummer: - Start- / Endseite: 3033 - 3044 Identifikator: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/150617
Publisher: Springer