Keyword Term: télédétection
Geographic Coverage Country / Nation: Madagascar
Data Type: Dataset
Language: English
Subject: Earth and Environmental Sciences
1 to 10 of 10 Results
26 oct. 2023
Andriamampianina, Zaka; Rajaonson Nosy, Vokatsoa Lahatra; Andriamampionona, Lôla; Dupuy, Stéphane; Muller, Bertrand, 2023, "Itasy, Vakinankaratra - Madagascar - 2023 - Land cover reference spatial database", https://doi.org/10.18167/DVN1/5GHE96, CIRAD Dataverse, V1
This reference database in vector format (ESRI shape format) is organised according to a multi-level nomenclature. It is used to train an image classification algorithm with a view to producing land use maps for the Itashy and Vakinankaratra regions as part of the DINAAMICC proje... |
26 oct. 2023
Dupuy, Stéphane; Lebourgeois, Valentine; Gaetano, Raffaele, 2023, "Itasy, Vakinankaratra - Madagascar - 2022-2023, Land cover map", https://doi.org/10.18167/DVN1/TKTPCH, CIRAD Dataverse, V1
The land use maps published here were produced for the communes studied by the DINAAMICC project for the period 2022-2023 (based on GPS collected in the field in March 2023). They partially cover the Itasy and Vakinankaratra regions. The reference database used to produce this ma... |
15 févr. 2023
Jolivot, Audrey; Lebourgeois, Valentine; Ameline, Mael; Andriamanga, Valerie; Bellon, Beatriz; Castets, Mathieu; Crespin-Boucaud, Arthur; Defourny, Pierre; Diaz, Santiana; Dieye, Mohamadou; Dupuy, Stephane; Ferraz, Rodrigo; Gaetano, Raffaele; Gely, Marie; Jahel, Camille; Kabore, Bertin; Lelong, Camille; Le Maire, Guerric; Leroux, Louise; Lo Seen, Danny; Muthoni, Martha; Ndao, Babacar; Newby, Terry; De Oliveira Santos, Cecilia Lira Melo; Rasoamalala, Eloise; Simoes, Margareth; Thiaw, Ibrahima; Timmermans, Alice; Tran, Annelise; Begue, Agnes, 2021, "Harmonized in situ JECAM datasets for agricultural land use mapping and monitoring in tropical countries", https://doi.org/10.18167/DVN1/P7OLAP, CIRAD Dataverse, V4
This database contains nine land use / land cover datasets collected in a standardized manner between 2013 and 2022 in seven tropical countries within the framework of the international JECAM initiative: Burkina Faso (Koumbia), Madagascar (Antsirabe), Brazil (São Paulo and Tocant... |
5 déc. 2022
Andriamanga, Andoniaina Valérie; Laurence, Defrise; Rasoamalala, Eloise; Burnod, Perrine, 2022, "Antananarivo - Madagascar - 2022, Land use reference spatial database", https://doi.org/10.18167/DVN1/CBJ0QX, CIRAD Dataverse, V2
This reference database in vector format (ESRI shape format) is organized according to a multi-level nomenclature. It is used to train an image classification algorithm in order to produce land cover maps of the Antananarivo metropolitan area (see dataverse sheets describing thes... |
2 déc. 2022
Dupuy, Stéphane; Andriamanga, Andoniaina Valérie; Gaetano, Raffaele; Burnod, Perrine, 2022, "Antananarivo - 2022 Land cover map", https://doi.org/10.18167/DVN1/RE1MDM, CIRAD Dataverse, V3
We publish two land cover maps of the city of Antananarivo produced with data acquired in 2022 using a methodology combining machine learning and object-based image analysis (OBIA). This work follows on from work that resulted in a map of the same area in 2017. The maps are produ... |
22 mars 2022
Lelong, Camille; Herimandimby, Hasina, 2022, "Landscape matrix map at 2.25 km2 scale of a 84 km2 part of the Vavatenina District, Analanjirofo Region, Madagascar, 2019", https://doi.org/10.18167/DVN1/WDIJ8S, CIRAD Dataverse, V1
This map gives the spatial distribution of the major land use in a cell of 1500m x 1500m=2.25 km2, also called the landscape matrix, over an area of study of landscape dynamics in Madagascar. It consists of an area of 84 square kilometers located at the West of Vavatenina town, i... |
21 mars 2022
Lelong, Camille; Herimandimby, Hasina, 2022, "Very high spatial resolution land use / land cover map of a 84km2 part of the Vavatenina District, Analanjirofo Region, Madagascar, 2019", https://doi.org/10.18167/DVN1/KDNOV4, CIRAD Dataverse, V1
This map gives the spatial distribution of the main agricultural systems and land uses present in an area of study of landscape dynamics in Madagascar. It consists of an area of 84 square kilometers located at the West of Vavatenina town, in the Analanjirofo Region, on the North-... |
9 avr. 2020
Dupuy, Stéphane; Defrise, Laurence; Burnod, Perrine, 2019, "Antananarivo - Madagascar - Land use change map between 2003 and 2017", https://doi.org/10.18167/DVN1/VQZZI0, CIRAD Dataverse, V2
Land use map, in ESRI shapefile format, displaying the evolution of artificial spaces in Antananarivo agglomeration (Madagascar capital) during 2003 to 2017 period. This map is the result of remote sensing processing of satellite images. Spot5 images acquired on February 14 and J... |
26 mars 2020
Dupuy, Stéphane; Defrise, Laurence; Gaetano, Raffaele; Burnod, Perrine, 2019, "Antananarivo - 2017 Land cover map", https://doi.org/10.18167/DVN1/NHE34C, CIRAD Dataverse, V2
The map proposed here is a key data to understand urban agriculture’s dynamics in relation to urbanization in Antananarivo agglomeration and agriculture’s contribution to the city food system while debates are ongoing to update Antananarivo city master plan. This land cover map w... |
20 déc. 2019
Lebourgeois, Valentine; Dupuy, Stéphane; Vintrou, Élodie; Ameline, Maël; Butler, Suzanne; Bégué, Agnès, 2019, "Antsirabe, Madagascar - 2015, land cover map", https://doi.org/10.18167/DVN1/8T3UJE, CIRAD Dataverse, V2
This work was conducted before the launch of ESA Sentinel-2 mission, which images are particularly adapted to crop monitoring and characterization thanks to their high spatial (10 – 60m) and temporal (5 days) resolutions. We worked with Landsat-8 and Spot5 images to create a time... |