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  When do Farmers Burn Pasture in Brazil: A Model-Based Approach to Determine Burning Date

Brunel, M., Rammig, A., Furquim, F., Overbeck, G., Barbosa, H. M., Thonicke, K., Rolinski, S. (2021): When do Farmers Burn Pasture in Brazil: A Model-Based Approach to Determine Burning Date. - Rangeland Ecology & Management, 79, 110-125.
https://doi.org/10.1016/j.rama.2021.08.003

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Brunel, Marie1, Autor              
Rammig, Anja2, Autor
Furquim, Fernando2, Autor
Overbeck, Gerhard2, Autor
Barbosa, Henrique M.J.2, Autor
Thonicke, Kirsten1, Autor              
Rolinski, Susanne1, Autor              
Affiliations:
1Potsdam Institute for Climate Impact Research, Potsdam, ou_persistent13              
2External Organizations, ou_persistent22              

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 Zusammenfassung: Fire is widely used by farmers in Brazil during the winter, or the dry season, to remove accumulated dead pasture biomass. These practices have substantial impacts on vegetation, soil nutrients and carbon emissions. However, they are rarely represented within process-based fire models embedded within Dynamic Global Vegetation Models (DGVM). We developed an algorithm named Chalumeau to estimate the expected burning dates from daily precipitation or temperature depending on the seasonality type. By coupling with a fire module from a DGVM, Chalumeau enables the ignition of fire as an essential part of modelling fire practices. The burning dates are evaluated by comparing against observed fire dates on pasture. From these estimated dates, we extract the timing strategies of ranchers, which vary regionally within Brazil. This study confirms that climatic conditions are the main trigger for farmers decisions to set fire and shows the different burning strategies across Brazil.

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 Datum: 2021-08-092021-09-112021-11-15
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.rama.2021.08.003
MDB-ID: yes - 3244
PIKDOMAIN: RD2 - Climate Resilience
PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD2 - Climate Resilience
Organisational keyword: RD1 - Earth System Analysis
Working Group: Land Use and Resilience
Research topic keyword: Land use
Regional keyword: South America
Model / method: LPJmL
 Art des Abschluß: -

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Titel: Rangeland Ecology & Management
Genre der Quelle: Zeitschrift, SCI, Scopus
 Urheber:
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 79 Artikelnummer: - Start- / Endseite: 110 - 125 Identifikator: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/rangeland-ecology-management
Publisher: Elsevier