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

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 Abstract: 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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 Dates: 2021-08-092021-09-112021-11-15
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: 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
 Degree: -

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Title: Rangeland Ecology & Management
Source Genre: Journal, SCI, Scopus
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Publ. Info: -
Pages: - Volume / Issue: 79 Sequence Number: - Start / End Page: 110 - 125 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/rangeland-ecology-management
Publisher: Elsevier