{"id":"https://openalex.org/W2153532054","doi":"https://doi.org/10.3390/rs5020664","title":"Assessing Land Degradation/Recovery in the African Sahel from Long-Term Earth Observation Based Primary Productivity and Precipitation Relationships","display_name":"Assessing Land Degradation/Recovery in the African Sahel from Long-Term Earth Observation Based Primary Productivity and Precipitation Relationships","publication_year":2013,"publication_date":"2013-02-04","ids":{"openalex":"https://openalex.org/W2153532054","doi":"https://doi.org/10.3390/rs5020664","mag":"2153532054"},"language":"en","primary_location":{"id":"doi:10.3390/rs5020664","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs5020664","pdf_url":"https://www.mdpi.com/2072-4292/5/2/664/pdf?version=1403131605","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/5/2/664/pdf?version=1403131605","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012354290","display_name":"Rasmus Fensholt","orcid":"https://orcid.org/0000-0003-3067-4527"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]}],"countries":["DK"],"is_corresponding":true,"raw_author_name":"Rasmus Fensholt","raw_affiliation_strings":["Department of Geosciences and Natural Resource Management, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Geosciences and Natural Resource Management, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen, Denmark","institution_ids":["https://openalex.org/I124055696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109242588","display_name":"Kjeld Rasmussen","orcid":"https://orcid.org/0000-0003-3111-584X"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Kjeld Rasmussen","raw_affiliation_strings":["Department of Geosciences and Natural Resource Management, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Geosciences and Natural Resource Management, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen, Denmark","institution_ids":["https://openalex.org/I124055696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035165887","display_name":"Per Skougaard Kaspersen","orcid":"https://orcid.org/0000-0002-1709-0183"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Per Kaspersen","raw_affiliation_strings":["DTU Climate Centre, Systems Analysis Division, Ris\u00f8 DTU, Denmark"],"affiliations":[{"raw_affiliation_string":"DTU Climate Centre, Systems Analysis Division, Ris\u00f8 DTU, Denmark","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016437144","display_name":"S. Huber","orcid":"https://orcid.org/0000-0001-7259-7596"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]},{"id":"https://openalex.org/I4210151315","display_name":"Geocenter Denmark","ror":"https://ror.org/04cz2sw33","country_code":"DK","type":"other","lineage":["https://openalex.org/I124055696","https://openalex.org/I204337017","https://openalex.org/I2801979204","https://openalex.org/I4210102581","https://openalex.org/I4210151315"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Silvia Huber","raw_affiliation_strings":["Geographic Resource Analysis & Science A/S, Department of Geography and Geology, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen K, Denmark"],"affiliations":[{"raw_affiliation_string":"Geographic Resource Analysis & Science A/S, Department of Geography and Geology, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen K, Denmark","institution_ids":["https://openalex.org/I4210151315","https://openalex.org/I124055696"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071959681","display_name":"St\u00e9phanie Horion","orcid":"https://orcid.org/0000-0001-6716-1333"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Stephanie Horion","raw_affiliation_strings":["Department of Geosciences and Natural Resource Management, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Geosciences and Natural Resource Management, University of Copenhagen, \u00d8ster Voldgade 10, DK-1350 Copenhagen, Denmark","institution_ids":["https://openalex.org/I124055696"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021998834","display_name":"Else Swinnen","orcid":"https://orcid.org/0000-0001-7532-3814"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Else Swinnen","raw_affiliation_strings":["Remote Sensing and Earth Observation Processes, Global Vegetation Research Group, VITO, Boeretang 200, B-2400 MOL, Belgium"],"affiliations":[{"raw_affiliation_string":"Remote Sensing and Earth Observation Processes, Global Vegetation Research Group, VITO, Boeretang 200, B-2400 MOL, Belgium","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5012354290"],"corresponding_institution_ids":["https://openalex.org/I124055696"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":27.9191,"has_fulltext":true,"cited_by_count":211,"citation_normalized_percentile":{"value":0.99842126,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"5","issue":"2","first_page":"664","last_page":"686"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9994000196456909,"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":0.9994000196456909,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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":0.9908999800682068,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/normalized-difference-vegetation-index","display_name":"Normalized Difference Vegetation Index","score":0.7643588781356812},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7637143135070801},{"id":"https://openalex.org/keywords/primary-production","display_name":"Primary production","score":0.6950343251228333},{"id":"https://openalex.org/keywords/precipitation","display_name":"Precipitation","score":0.6714907884597778},{"id":"https://openalex.org/keywords/land-degradation","display_name":"Land degradation","score":0.5716180801391602},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.5168619751930237},{"id":"https://openalex.org/keywords/advanced-very-high-resolution-radiometer","display_name":"Advanced very-high-resolution radiometer","score":0.4972279369831085},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.48098957538604736},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.41625961661338806},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.289031982421875},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.2726735472679138},{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.20135489106178284},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.17882266640663147},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1480710208415985},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.11628901958465576},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.0766197144985199},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.06413114070892334}],"concepts":[{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.7643588781356812},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7637143135070801},{"id":"https://openalex.org/C24717449","wikidata":"https://www.wikidata.org/wiki/Q515905","display_name":"Primary production","level":3,"score":0.6950343251228333},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.6714907884597778},{"id":"https://openalex.org/C113052830","wikidata":"https://www.wikidata.org/wiki/Q3497778","display_name":"Land degradation","level":3,"score":0.5716180801391602},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.5168619751930237},{"id":"https://openalex.org/C2777480484","wikidata":"https://www.wikidata.org/wiki/Q300146","display_name":"Advanced very-high-resolution radiometer","level":3,"score":0.4972279369831085},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.48098957538604736},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.41625961661338806},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.289031982421875},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.2726735472679138},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.20135489106178284},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.17882266640663147},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1480710208415985},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.11628901958465576},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0766197144985199},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.06413114070892334},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"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/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/rs5020664","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs5020664","pdf_url":"https://www.mdpi.com/2072-4292/5/2/664/pdf?version=1403131605","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:44f22e50cdbb4b87af6c3dbf3d414ec6","is_oa":true,"landing_page_url":"https://doaj.org/article/44f22e50cdbb4b87af6c3dbf3d414ec6","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 5, Iss 2, Pp 664-686 (2013)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/5/2/664/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs5020664","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 5; Issue 2; Pages: 664-686","raw_type":"Text"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/71dd29c4-7e16-4966-90b1-17d96f19108f","is_oa":false,"landing_page_url":"https://curis.ku.dk/portal/da/publications/assessing-land-degradationrecovery-in-the-african-sahel-from-longterm-earth-observation-based-primary-productivity-and-precipitation-relationships(71dd29c4-7e16-4966-90b1-17d96f19108f).html","pdf_url":null,"source":{"id":"https://openalex.org/S4306401983","display_name":"Research at the University of Copenhagen (University of Copenhagen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I124055696","host_organization_name":"University of Copenhagen","host_organization_lineage":["https://openalex.org/I124055696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/71dd29c4-7e16-4966-90b1-17d96f19108f","is_oa":true,"landing_page_url":"https://researchprofiles.ku.dk/da/publications/71dd29c4-7e16-4966-90b1-17d96f19108f","pdf_url":null,"source":{"id":"https://openalex.org/S4306401983","display_name":"Research at the University of Copenhagen (University of Copenhagen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I124055696","host_organization_name":"University of Copenhagen","host_organization_lineage":["https://openalex.org/I124055696"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fensholt , R , Rasmussen , K , Kaspersen , P S , Huber , S , Horion , S M A F & Swinnen , E 2013 , ' Assessing land degradation/recovery in the African Sahel from long-term earth observation based primary productivity and precipitation relationships ' , Remote Sensing , vol. 5 , no. 2 , pp. 664-686 . https://doi.org/10.3390/rs5020664","raw_type":"article"},{"id":"pmh:oai:pure.atira.dk:publications/f9b64073-f854-463a-9017-eff3370fd3ac","is_oa":true,"landing_page_url":"https://orbit.dtu.dk/en/publications/f9b64073-f854-463a-9017-eff3370fd3ac","pdf_url":null,"source":{"id":"https://openalex.org/S4306400705","display_name":"Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I96673099","host_organization_name":"Technical University of Denmark","host_organization_lineage":["https://openalex.org/I96673099"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fensholt , R , Rasmussen , K , Kaspersen , P S , Huber , S , Horion , S & Swinnen , E 2013 , ' Assessing Land Degradation/Recovery in the African Sahel from Long-Term Earth Observation Based Primary Productivity and Precipitation Relationships ' , Remote Sensing , vol. 5 , pp. 664-686 . https://doi.org/10.3390/rs5020664","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/rs5020664","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs5020664","pdf_url":"https://www.mdpi.com/2072-4292/5/2/664/pdf?version=1403131605","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.6000000238418579}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320332181","display_name":"National Oceanic and Atmospheric Administration","ror":"https://ror.org/02z5nhe81"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2153532054.pdf","grobid_xml":"https://content.openalex.org/works/W2153532054.grobid-xml"},"referenced_works_count":62,"referenced_works":["https://openalex.org/W102279446","https://openalex.org/W1608855794","https://openalex.org/W1650751539","https://openalex.org/W1963958340","https://openalex.org/W1966629827","https://openalex.org/W1975999098","https://openalex.org/W1981122766","https://openalex.org/W1981978730","https://openalex.org/W1987741883","https://openalex.org/W2000563894","https://openalex.org/W2003326025","https://openalex.org/W2003795236","https://openalex.org/W2003893975","https://openalex.org/W2008889095","https://openalex.org/W2018764772","https://openalex.org/W2018876145","https://openalex.org/W2021218961","https://openalex.org/W2021481900","https://openalex.org/W2024314439","https://openalex.org/W2048382588","https://openalex.org/W2052115471","https://openalex.org/W2054112212","https://openalex.org/W2057387551","https://openalex.org/W2065311929","https://openalex.org/W2070639535","https://openalex.org/W2072834400","https://openalex.org/W2074039379","https://openalex.org/W2074120751","https://openalex.org/W2083344621","https://openalex.org/W2088115382","https://openalex.org/W2090600964","https://openalex.org/W2092304890","https://openalex.org/W2094059506","https://openalex.org/W2097002879","https://openalex.org/W2104780056","https://openalex.org/W2112965986","https://openalex.org/W2113503197","https://openalex.org/W2116463846","https://openalex.org/W2117490284","https://openalex.org/W2120694108","https://openalex.org/W2122346823","https://openalex.org/W2123610463","https://openalex.org/W2127163275","https://openalex.org/W2127578702","https://openalex.org/W2132736696","https://openalex.org/W2138751033","https://openalex.org/W2143914070","https://openalex.org/W2146255516","https://openalex.org/W2151454884","https://openalex.org/W2152287417","https://openalex.org/W2154700052","https://openalex.org/W2155962616","https://openalex.org/W2162414982","https://openalex.org/W2176956584","https://openalex.org/W2207454468","https://openalex.org/W2298347830","https://openalex.org/W2467725576","https://openalex.org/W2471412513","https://openalex.org/W3043644638","https://openalex.org/W3138842104","https://openalex.org/W4213330036","https://openalex.org/W6688346672"],"related_works":["https://openalex.org/W2406222492","https://openalex.org/W2109880334","https://openalex.org/W1560398682","https://openalex.org/W2564727500","https://openalex.org/W2125091751","https://openalex.org/W2084320955","https://openalex.org/W2909519857","https://openalex.org/W2531882454","https://openalex.org/W1582060251","https://openalex.org/W2021642129"],"abstract_inverted_index":{"The":[0,226],"\u2018rain":[1],"use":[2,94,105],"efficiency\u2019":[3],"(RUE)":[4],"may":[5,49,323],"be":[6,25,50,91,258,275,292,324],"defined":[7],"as":[8,52,64,86,174],"the":[9,30,36,58,87,104,107,141,145,180,197,203,223,236,267,285,304,312,325],"ratio":[10],"of":[11,29,54,60,67,80,95,106,159,177,182,205,235,303,318],"above-ground":[12],"net":[13],"primary":[14],"productivity":[15],"(ANPP)":[16],"to":[17,24,42,208,257,262,315],"annual":[18,61,152,183,282,299],"precipitation,":[19,62,170],"and":[20,63,74,78,121,134,144,200,284,298,311],"it":[21,250],"is":[22,39,214,220,228,244,251],"claimed":[23],"a":[26,175,191,246,276,293,316],"conservative":[27],"property":[28],"vegetation":[31,37,116],"cover":[32,38],"in":[33,83,163,233,260,306],"drylands,":[34,84],"if":[35],"not":[40,245],"subject":[41],"non-precipitation":[43,68,240],"related":[44,69,241],"land":[45,70,81,242],"degradation.":[46,71],"Consequently,":[47],"RUE":[48,172,219,268,297],"regarded":[51],"means":[53,176],"normalizing":[55,178],"ANPP":[56,286],"for":[57,111,151,179,222],"impact":[59,181],"an":[65],"indicator":[66],"Large":[72],"scale":[73],"long":[75],"term":[76],"identification":[77],"monitoring":[79],"degradation":[82,243],"such":[85],"Sahel,":[88,237],"can":[89],"only":[90,196,202],"achieved":[92],"by":[93,190],"Earth":[96],"Observation":[97],"(EO)":[98],"data.":[99],"This":[100],"paper":[101,313],"demonstrates":[102],"that":[103,229,239,253],"standard":[108],"EO-based":[109],"proxy":[110,287],"ANPP,":[112],"summed":[113],"normalized":[114],"difference":[115],"index":[117],"(NDVI)":[118],"(National":[119],"Oceanic":[120],"Atmospheric":[122],"Administration":[123],"(NOAA)":[124],"Advanced":[125],"Very":[126],"High":[127],"Resolution":[128],"Radiometer":[129],"(AVHRR)":[130],"Global":[131],"Inventory":[132],"Modeling":[133],"Mapping":[135],"Studies":[136],"3rd":[137],"generation":[138],"(GIMMS3g))":[139],"over":[140],"year":[142],"(\u03a3NDVI),":[143],"blended":[146],"EO/rain":[147],"gauge":[148],"based":[149],"data-set":[150],"precipitation":[153,184,283],"(Climate":[154],"Prediction":[155],"Center":[156],"Merged":[157],"Analysis":[158],"Precipitation,":[160],"CMAP)":[161],"results":[162,265],"RUE-estimates":[164],"which":[165],"are":[166],"highly":[167],"correlated":[168],"with":[169],"rendering":[171],"useless":[173],"on":[185],"ANPP.":[186],"By":[187],"replacing":[188],"\u03a3NDVI":[189],"\u2018small":[192],"NDVI":[193,206],"integral\u2019,":[194],"covering":[195],"rainy":[198],"season":[199],"counting":[201],"increase":[204],"relative":[207],"some":[209],"reference":[210],"level,":[211],"this":[212,217,322],"problem":[213],"solved.":[215],"Using":[216],"approach,":[218],"calculated":[221],"period":[224],"1982\u20132010.":[225],"result":[227],"positive":[230,278],"RUE-trends":[231],"dominate":[232],"most":[234],"indicating":[238],"widespread":[247],"phenomenon.":[248],"Furthermore,":[249],"argued":[252],"two":[254],"preconditions":[255],"need":[256],"fulfilled":[259],"order":[261],"obtain":[263],"meaningful":[264],"from":[266],"temporal":[269],"trend":[270],"analysis:":[271],"First,":[272],"there":[273,290],"must":[274,291],"significant":[277],"linear":[279],"correlation":[280,295],"between":[281,296],"applied.":[288],"Second,":[289],"near-zero":[294],"precipitation.":[300],"Thirty-seven":[301],"percent":[302],"pixels":[305],"Sahel":[307],"satisfy":[308],"these":[309],"requirements":[310],"points":[314],"range":[317],"different":[319],"reasons":[320],"why":[321],"case.":[326]},"counts_by_year":[{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":21},{"year":2020,"cited_by_count":12},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":20},{"year":2017,"cited_by_count":12},{"year":2016,"cited_by_count":25},{"year":2015,"cited_by_count":31},{"year":2014,"cited_by_count":23},{"year":2013,"cited_by_count":8}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2016-06-24T00:00:00"}