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ID persistente
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doi:10.21950/YYZNNN |
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Fecha de publicación
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2023-09-08 |
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Título
| MGBAS2 reference data:reference fire perimeters obtained from Sentinel-2 imagery over Madagascar for the years 2019 and 2021 |
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Autor
| Franquesa Fuentetaja, MagiUniversidad de Alcalá, Department of Geology, Geography and the Environment, Spain ; Instituto Pirenaico de Ecología, Consejo Superior de Investigaciones Científicas (IPE-CSIC), Zaragoza, SpainORCID0000-0003-3101-0394
Kull, Christian A.Institute of Geography and Sustainability, Faculty of Geosciences and Environment, Université de Lausanne, Géopolis, Lausanne, Switzerland.ORCID0000-0002-7516-7898
Fernández-García, VíctorInstitute of Geography and Sustainability, Faculty of Geosciences and Environment, Université de Lausanne, Géopolis, Lausanne, Switzerland ; Ecology, Department of Biodiversity and Environmental Management, Faculty of Biological and Environmental Sciences, Universidad de León, León, SpainORCID0000-0003-3217-3814 |
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Contacto
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Utilice el botón de e-mail de arriba para contactar.
Fernández-García, Víctor (Institute of Geography and Sustainability, Faculty of Geosciences and Environment, Université de Lausanne, Géopolis, Lausanne, Switzerland ; Ecology, Department of Biodiversity and Environmental Management, Faculty of Biological and Environmental Sciences, Universidad de León, León, Spain) |
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Descripción
| The MGBAS2 reference data was derived from Sentinel-2 images over a set of 6 tiles (sampling units)sampled following a design customized for the Sentinel tiling grid system and to represent low and high burned area occurrence strata in Madagascar. Over each tile Sentinel-2 time series were defined based on a set of conditions for minimizing cloud cover and to guarantee series length and a minimum time lag between image pairs. Sentinel-2 image pairs were classified with a Random Forest (RF) algorithm to provide burned perimeters of depicting areas that burned between the two dates that were combined in a synthetic burned area reference dataset. This dataset represent for each unit burned and unburned polygons and masked areas. A detailed description of the dataset can be found in Fernández-García et al.(2023) ("Madagascar’s burned area from Sentinel-2 imagery (2016–2022): four times higher than from lower resolution sensors", in preparation). |
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Materia
| Ciencias de la tierra y el medioambiente |
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Palabra clave
| Burned area
Reference perimeters
Long units
Accuracy assessment
Madagascar |
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Notas
| Description of the project: The reference fire perimeters for Madagascar were obtained in the framework of the project "Fire regimes and ecosystem services in African biodiversity hotspots: can fire policies favoring climate change mitigation, biodiversity and local communities converge?" financed by the Swiss Network for International Studies (SNIS). Among the goals of the project is the accurate characterization of burned area and fire regimes at Sentinel-2 spatial resolution (20m). The burned area database has been produced for the period 2016-2022 in Madagascar, southern Mozambique, Eswatini and Eastern South Africa (Fernández-García et al., 2023: https://doi.org/10.5281/zenodo.8201841). The MGBAS2 reference data presented here is the validation data for the mentioned burned area database. The characterization of burned area is the first step of the project that also aims to analyze the drivers of fire regimes and their consequences on carbon dynamics, biodiversity and local livelihoods. |
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Idioma
| Inglés |
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Información de la subvención
| This research has been funded by the project "Fire regimes and ecosystem services in African biodiversity hotspots: can fire policies favoring climate change mitigation, biodiversity and local communities converge" financed by the Swiss Network for International Studies (SNIS). |
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Depositante
| Franquesa, Magi |
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Fecha de depósito
| 2023-09-01 |
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Período de tiempo cubierto
| Start Date: 2019 ; End Date: 2021 |
