1 to 10 of 20 Results
Herimandimby, Hasina; Lelong, Camille, 2022, "Ground-truth reference spatial database for Vavatenina District, Analanjirofo Region, Madagascar, 2019", https://doi.org/10.18167/DVN1/XJCXCS, CIRAD Dataverse, V1
This geospatial database gives the land use / land cover type of 2105 georeferenced points, distributed thoughout an area of 84 square kilometers located at the west of Vavatenina town, in the Analanjirofo Region, on the northeastern coast of Madagascar. The first attribute of th... |
Jolivot, Audrey, 2020, "Cartographie de l'occupation du sol de la zone des Niayes (Sénégal) en 2006 et 2014 (30m de résolution)", https://doi.org/10.18167/DVN1/PA53SW, CIRAD Dataverse, V2
La zone d'étude se situe au nord ouest du Sénégal et s'étale sur 5 100km². Elle inclue la ville de Thiès et une partie de la ville de Dakar, et remonte jusqu'à Kébémer, aux portes du désert de Loumpoul. Chaque carte d'occupation du sol a été réalisée à partir de deux images satel... |
Jolivot, Audrey, 2021, "Cartographie de l'occupation du sol de la zone des Niayes (Sénégal) en 2018 (1.5 m de résolution)", https://doi.org/10.18167/DVN1/KJAS6S, CIRAD Dataverse, V1
La zone d'étude se situe au nord ouest du Sénégal et s'étale sur 5 100km². Elle inclue la ville de Thiès et une partie de la ville de Dakar, et remonte jusqu'à Kébémer, aux portes du désert de Loumpoul. La carte d'occupation 2018 a été réalisée à partir d'une image à Très Haute R... |
21 déc. 2020
Roche, Mathieu, 2020, "COVID-19 and media dataset: Mining textual data according periods and countries (UK, Spain, France)", https://doi.org/10.18167/DVN1/ZUA8MF, CIRAD Dataverse, V2
These datasets contain a set of news articles in English, French and Spanish extracted from Medisys (i‧e. advanced search) according the following criteria: (1) Keywords (at least): COVID-19, ncov2019, cov2019, coronavirus; (2) Keywords (all words): masque (French), mask (English... |
Dupuy, Stéphane; Gaetano, Raffaele, 2020, "Reunion island - 2019, Land cover map (Spot6/7) - 1.5m", https://doi.org/10.18167/DVN1/YZJQ7Q, CIRAD Dataverse, V1
As part of THEIA (the French Data and Services center for continental surfaces) CIRAD's TETIS research unit is developing an automated mapping method based on the Moringa chain that minimizes interactions with users by automating most image analysis and processing. The methodolog... |
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... |
Sautot, Lucile; Chraibi, Eric; Fize, Jacques; Lentschat, Martin; Cernesson, Flavie; Journaux, Ludovic; Peillet Sébastien, 2019, "Grand Débat National - Données enrichies", https://doi.org/10.18167/DVN1/ZRTW02, CIRAD Dataverse, V2
[FR] Ces données agrègent : - les contributions libres déposées sur la plateforme en ligne http://granddebat.fr relatives à la question de la transition écologique, - les annotations de ces contributions réalisées sur la plateforme en ligne https://grandeannotation.fr, - l'extrac... |
Dupuy, Stéphane; Gaetano, Raffaele, 2019, "Reunion island - 2017, Land cover map (Pleiades)", https://doi.org/10.18167/DVN1/RTAEHK, CIRAD Dataverse, V3
As part of THEIA (the French Data and Services center for continental surfaces) CIRAD's TETIS research unit is developing an automated mapping method based on the Moringa chain that minimizes interactions with users by automating most image analysis and processing. The methodolog... |
Laurence, Defrise; Andriamanga, Valérie; Rasoamalala, Eloise; Dupuy, Stéphane; Burnod, Perrine, 2019, "Antananarivo - Madagascar - 2017, Land use reference spatial database", https://doi.org/10.18167/DVN1/5TZOOW, CIRAD Dataverse, V1
This vector format database (ESRI shape format) is made up of field surveys carried out during the end of the 2017 rainy season (March to April) which corresponds to the peak of the growing season. Study area is Antananarivo city, capital of Madagascar. GPS points were collected... |
Dupuy, Stéphane, 2019, "Reunion Island - 2017, reference spatial database", https://doi.org/10.18167/DVN1/TOARDN, CIRAD Dataverse, V3
The reference spatial database for 2017 is composed of 6256 plots. We use it to calculate a land use map from satellite images.It is organized according to a nomenclature offering 3 levels of precision. We randomly selected 20% of the plots in each class to build a validation dat... |
