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Cartes d'occupation et d'usage des terres dans la région de la Mé (Côte d'Ivoire) en 2016, 2019 et 2022

Authors: Tiodionwa, Ouattara; Grinand, Clovis;

Cartes d'occupation et d'usage des terres dans la région de la Mé (Côte d'Ivoire) en 2016, 2019 et 2022

Abstract

Ce répertoire contient trois cartes d'occupations du sol couvrant la région de la Mé (Côte d'Ivoire) respectivement pour les années de référence 2016, 2019 et 2022. La méthodologie utilisée pour produire ces cartes est basée à la fois sur l’utilisation d’images Sentinel-2 à 10 mètres de résolution (2016 et 2019) et de composites d'images Planet (2022) sur une zone couvrant 8 000 km2 avec seize catégories d'occupation et d'usage des terres. Après prétraitements, les images Sentinel-2 et Planet ont été soumises à une analyse automatisée sous R en plusieurs étapes dont la classification supervisée avec l’algorithme Random Forest et l’évaluation de la qualité du modèle de classification. Les cartes présentant des précisions globales satisfaisantes (92% pour la carte de 2016, 87% pour celle de 2019 et 80% pour celle de 2022) ont ensuite servi à produire les cartes des conversions des diverses formations forestières. Ces cartes ont été produites dans le cadre des travaux de recherche sur les conversions forestières dans la région de la Mé (Côte d'Ivoire) et l'analyse des causes de la déforestation dans le cadre du Projet PRM2 (Préserver la biodiversité de Mabi-Yaya et renforcer le développement socio-économique de la Mé).

Keywords

Random forest, Occupation et usage des terres, Cartographie

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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