{"id":"https://openalex.org/W2026878010","doi":"https://doi.org/10.1016/j.jag.2015.02.011","title":"Dry-season vegetation mass and cover fraction from SWIR1.6 and SWIR2.1 band ratio: Ground-radiometer and MODIS data in the Sahel","display_name":"Dry-season vegetation mass and cover fraction from SWIR1.6 and SWIR2.1 band ratio: Ground-radiometer and MODIS data in the Sahel","publication_year":2015,"publication_date":"2015-03-05","ids":{"openalex":"https://openalex.org/W2026878010","doi":"https://doi.org/10.1016/j.jag.2015.02.011","mag":"2026878010"},"language":"en","primary_location":{"id":"doi:10.1016/j.jag.2015.02.011","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jag.2015.02.011","pdf_url":null,"source":{"id":"https://openalex.org/S4210179989","display_name":"International Journal of Applied Earth Observation and Geoinformation","issn_l":"1569-8432","issn":["1569-8432","1872-826X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Applied Earth Observation and Geoinformation","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083660311","display_name":"Laurent Kergoat","orcid":"https://orcid.org/0000-0003-1792-8473"},"institutions":[{"id":"https://openalex.org/I17866349","display_name":"Universit\u00e9 de Toulouse","ror":"https://ror.org/004raaa70","country_code":"FR","type":"education","lineage":["https://openalex.org/I17866349"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"L. Kergoat","raw_affiliation_strings":["GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France","institution_ids":["https://openalex.org/I17866349","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012794036","display_name":"Pierre Hiernaux","orcid":"https://orcid.org/0000-0002-1764-9178"},"institutions":[{"id":"https://openalex.org/I17866349","display_name":"Universit\u00e9 de Toulouse","ror":"https://ror.org/004raaa70","country_code":"FR","type":"education","lineage":["https://openalex.org/I17866349"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"P. Hiernaux","raw_affiliation_strings":["GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France","institution_ids":["https://openalex.org/I17866349","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048853994","display_name":"C\u00e9cile Dardel","orcid":null},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I17866349","display_name":"Universit\u00e9 de Toulouse","ror":"https://ror.org/004raaa70","country_code":"FR","type":"education","lineage":["https://openalex.org/I17866349"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"C. Dardel","raw_affiliation_strings":["GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France","institution_ids":["https://openalex.org/I17866349","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019749155","display_name":"Caroline Pierre","orcid":"https://orcid.org/0000-0002-7549-1460"},"institutions":[{"id":"https://openalex.org/I4210166444","display_name":"Institut de Recherche pour le D\u00e9veloppement","ror":"https://ror.org/05q3vnk25","country_code":"FR","type":"funder","lineage":["https://openalex.org/I2802818602","https://openalex.org/I4210090127","https://openalex.org/I4210131494","https://openalex.org/I4210166444"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I17866349","display_name":"Universit\u00e9 de Toulouse","ror":"https://ror.org/004raaa70","country_code":"FR","type":"education","lineage":["https://openalex.org/I17866349"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"C. Pierre","raw_affiliation_strings":["GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GET (CNRS/IRD/Universit\u00e9 de Toulouse), 14 Avenue E. Belin, 31400 Toulouse, France","institution_ids":["https://openalex.org/I17866349","https://openalex.org/I4210166444","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108285304","display_name":"Fran\u00e7oise Guichard","orcid":null},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I4210113730","display_name":"M\u00e9t\u00e9o-France","ror":"https://ror.org/0233st365","country_code":"FR","type":"other","lineage":["https://openalex.org/I4210113730"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"F. Guichard","raw_affiliation_strings":["CNRM-GAME (CNRS/M\u00e9t\u00e9oFrance), 42 Avenue Coriolis, 31057 Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNRM-GAME (CNRS/M\u00e9t\u00e9oFrance), 42 Avenue Coriolis, 31057 Toulouse, France","institution_ids":["https://openalex.org/I4210113730","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020195266","display_name":"Amadou Adamou Kalilou","orcid":null},"institutions":[{"id":"https://openalex.org/I4210095733","display_name":"Centre de Recherche M\u00e9dicale et Sanitaire","ror":"https://ror.org/00qb1n040","country_code":"NE","type":"facility","lineage":["https://openalex.org/I4210095733"]}],"countries":["NE"],"is_corresponding":false,"raw_author_name":"A. Kalilou","raw_affiliation_strings":["ILRI, ICRISAT Sahelian Centre, B.P. 12404, Niamey, Niger"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ILRI, ICRISAT Sahelian Centre, B.P. 12404, Niamey, Niger","institution_ids":["https://openalex.org/I4210095733"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5083660311"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I17866349","https://openalex.org/I4210166444"],"apc_list":{"value":2250,"currency":"USD","value_usd":2250},"apc_paid":null,"fwci":3.1287,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.90512583,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"39","issue":null,"first_page":"56","last_page":"64"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13890","display_name":"Remote Sensing and Land Use","score":0.9847999811172485,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13540","display_name":"Animal Diversity and Health Studies","score":0.9818999767303467,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/rangeland","display_name":"Rangeland","score":0.8094849586486816},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6687465310096741},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6117342710494995},{"id":"https://openalex.org/keywords/grassland","display_name":"Grassland","score":0.5284466743469238},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5132991671562195},{"id":"https://openalex.org/keywords/dry-season","display_name":"Dry season","score":0.5119756460189819},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.4966180920600891},{"id":"https://openalex.org/keywords/arid","display_name":"Arid","score":0.4646439552307129},{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.4358072578907013},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.41702547669410706},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.3996107578277588},{"id":"https://openalex.org/keywords/hydrology","display_name":"Hydrology (agriculture)","score":0.32341933250427246},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.15200799703598022},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.14897048473358154},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.13887658715248108},{"id":"https://openalex.org/keywords/agroforestry","display_name":"Agroforestry","score":0.10636797547340393},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.10587921738624573},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.08053487539291382},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.07415932416915894}],"concepts":[{"id":"https://openalex.org/C130989795","wikidata":"https://www.wikidata.org/wiki/Q3364870","display_name":"Rangeland","level":2,"score":0.8094849586486816},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6687465310096741},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6117342710494995},{"id":"https://openalex.org/C2775835988","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland","level":2,"score":0.5284466743469238},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5132991671562195},{"id":"https://openalex.org/C9777977","wikidata":"https://www.wikidata.org/wiki/Q146575","display_name":"Dry season","level":2,"score":0.5119756460189819},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.4966180920600891},{"id":"https://openalex.org/C150772632","wikidata":"https://www.wikidata.org/wiki/Q1330709","display_name":"Arid","level":2,"score":0.4646439552307129},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.4358072578907013},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.41702547669410706},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3996107578277588},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.32341933250427246},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.15200799703598022},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.14897048473358154},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.13887658715248108},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.10636797547340393},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.10587921738624573},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.08053487539291382},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.07415932416915894},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1016/j.jag.2015.02.011","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.jag.2015.02.011","pdf_url":null,"source":{"id":"https://openalex.org/S4210179989","display_name":"International Journal of Applied Earth Observation and Geoinformation","issn_l":"1569-8432","issn":["1569-8432","1872-826X"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Applied Earth Observation and Geoinformation","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-03118889v1","is_oa":false,"landing_page_url":"https://hal.science/hal-03118889","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Applied Earth Observation and Geoinformation, 2015, 39 (10), pp.56-64. ⟨10.1016/j.jag.2015.02.011⟩","raw_type":"Journal articles"},{"id":"pmh:oai:HAL:hal-03122848v1","is_oa":false,"landing_page_url":"https://hal.archives-ouvertes.fr/hal-03122848","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 0303-2434","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:cgspace.cgiar.org:10568/59798","is_oa":false,"landing_page_url":"https://hdl.handle.net/10568/59798","pdf_url":null,"source":{"id":"https://openalex.org/S4306402055","display_name":"CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1286583668","host_organization_name":"CGIAR","host_organization_lineage":["https://openalex.org/I1286583668"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Applied Earth Observation and Geoinformation","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6600000262260437,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321519","display_name":"Centre National d\u2019Etudes Spatiales","ror":"https://ror.org/04h1h0y33"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1594772429","https://openalex.org/W1974981510","https://openalex.org/W1981883248","https://openalex.org/W1985370128","https://openalex.org/W1995654428","https://openalex.org/W1997196768","https://openalex.org/W2021481900","https://openalex.org/W2032935471","https://openalex.org/W2035551200","https://openalex.org/W2038773526","https://openalex.org/W2042348866","https://openalex.org/W2054112212","https://openalex.org/W2065051496","https://openalex.org/W2076979256","https://openalex.org/W2087964169","https://openalex.org/W2099149741","https://openalex.org/W2133040625","https://openalex.org/W2134825572","https://openalex.org/W2136256197","https://openalex.org/W2142196438"],"related_works":["https://openalex.org/W134182247","https://openalex.org/W2139353228","https://openalex.org/W3033751289","https://openalex.org/W2037641353","https://openalex.org/W2348614390","https://openalex.org/W2085021613","https://openalex.org/W2291530876","https://openalex.org/W2360820594","https://openalex.org/W2480349084","https://openalex.org/W2021379394"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2026-06-06T09:05:17.133730","created_date":"2025-10-10T00:00:00"}