{"id":"https://openalex.org/W2126282903","doi":"https://doi.org/10.3390/rs6021057","title":"Intercomparison of Seven NDVI Products over the United States and Mexico","display_name":"Intercomparison of Seven NDVI Products over the United States and Mexico","publication_year":2014,"publication_date":"2014-01-27","ids":{"openalex":"https://openalex.org/W2126282903","doi":"https://doi.org/10.3390/rs6021057","mag":"2126282903"},"language":"en","primary_location":{"id":"doi:10.3390/rs6021057","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs6021057","pdf_url":"https://www.mdpi.com/2072-4292/6/2/1057/pdf?version=1403135950","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/2072-4292/6/2/1057/pdf?version=1403135950","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009967236","display_name":"William D. Scheftic","orcid":null},"institutions":[{"id":"https://openalex.org/I138006243","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"William Scheftic","raw_affiliation_strings":["Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA"],"affiliations":[{"raw_affiliation_string":"Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA","institution_ids":["https://openalex.org/I138006243"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010241378","display_name":"Xubin Zeng","orcid":"https://orcid.org/0000-0001-7352-2764"},"institutions":[{"id":"https://openalex.org/I138006243","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xubin Zeng","raw_affiliation_strings":["Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA"],"affiliations":[{"raw_affiliation_string":"Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA","institution_ids":["https://openalex.org/I138006243"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037306461","display_name":"P. D. Broxton","orcid":"https://orcid.org/0000-0002-2665-6820"},"institutions":[{"id":"https://openalex.org/I138006243","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Patrick Broxton","raw_affiliation_strings":["Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA"],"affiliations":[{"raw_affiliation_string":"Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA","institution_ids":["https://openalex.org/I138006243"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075725980","display_name":"Michael A. Brunke","orcid":"https://orcid.org/0000-0002-2677-7446"},"institutions":[{"id":"https://openalex.org/I138006243","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael Brunke","raw_affiliation_strings":["Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA"],"affiliations":[{"raw_affiliation_string":"Department of Atmospheric Sciences, The University of Arizona, Tucson, AZ 85721, USA","institution_ids":["https://openalex.org/I138006243"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5009967236"],"corresponding_institution_ids":["https://openalex.org/I138006243"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":7.4415,"has_fulltext":true,"cited_by_count":65,"citation_normalized_percentile":{"value":0.97309774,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"6","issue":"2","first_page":"1057","last_page":"1084"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9998999834060669,"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":0.9998999834060669,"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/T10895","display_name":"Species Distribution and Climate Change","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2302","display_name":"Ecological Modeling"},"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"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":0.8950834274291992},{"id":"https://openalex.org/keywords/phenology","display_name":"Phenology","score":0.6262487173080444},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6114882230758667},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5570228099822998},{"id":"https://openalex.org/keywords/climatology","display_name":"Climatology","score":0.48892369866371155},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.46386709809303284},{"id":"https://openalex.org/keywords/physical-geography","display_name":"Physical geography","score":0.44771379232406616},{"id":"https://openalex.org/keywords/enhanced-vegetation-index","display_name":"Enhanced vegetation index","score":0.42817991971969604},{"id":"https://openalex.org/keywords/growing-season","display_name":"Growing season","score":0.41223573684692383},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.41036462783813477},{"id":"https://openalex.org/keywords/vegetation-index","display_name":"Vegetation Index","score":0.3602953851222992},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.29427796602249146},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.2185419797897339},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.09503868222236633},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.07883074879646301}],"concepts":[{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.8950834274291992},{"id":"https://openalex.org/C51417038","wikidata":"https://www.wikidata.org/wiki/Q272737","display_name":"Phenology","level":2,"score":0.6262487173080444},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6114882230758667},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5570228099822998},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.48892369866371155},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.46386709809303284},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.44771379232406616},{"id":"https://openalex.org/C78869512","wikidata":"https://www.wikidata.org/wiki/Q5378810","display_name":"Enhanced vegetation index","level":5,"score":0.42817991971969604},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.41223573684692383},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.41036462783813477},{"id":"https://openalex.org/C2780376076","wikidata":"https://www.wikidata.org/wiki/Q1499458","display_name":"Vegetation Index","level":4,"score":0.3602953851222992},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.29427796602249146},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.2185419797897339},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.09503868222236633},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.07883074879646301},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","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/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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs6021057","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs6021057","pdf_url":"https://www.mdpi.com/2072-4292/6/2/1057/pdf?version=1403135950","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:523417ac8d4d42ed99617f0ea0b896c6","is_oa":true,"landing_page_url":"https://doaj.org/article/523417ac8d4d42ed99617f0ea0b896c6","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 6, Iss 2, Pp 1057-1084 (2014)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/6/2/1057/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs6021057","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 6; Issue 2; Pages: 1057-1084","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs6021057","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs6021057","pdf_url":"https://www.mdpi.com/2072-4292/6/2/1057/pdf?version=1403135950","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/15","display_name":"Life in Land","score":0.7099999785423279}],"awards":[{"id":"https://openalex.org/G6565316217","display_name":null,"funder_award_id":"NESDIS","funder_id":"https://openalex.org/F4320332181","funder_display_name":"National Oceanic and Atmospheric Administration"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320310160","display_name":"University of Arizona","ror":"https://ror.org/03m2x1q45"},{"id":"https://openalex.org/F4320324551","display_name":"Vlaamse Instelling voor Technologisch Onderzoek","ror":"https://ror.org/04gq0w522"},{"id":"https://openalex.org/F4320332181","display_name":"National Oceanic and Atmospheric Administration","ror":"https://ror.org/02z5nhe81"},{"id":"https://openalex.org/F4320332183","display_name":"U.S. Geological Survey","ror":"https://ror.org/035a68863"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2126282903.pdf","grobid_xml":"https://content.openalex.org/works/W2126282903.grobid-xml"},"referenced_works_count":67,"referenced_works":["https://openalex.org/W598562010","https://openalex.org/W1910947081","https://openalex.org/W1950936206","https://openalex.org/W1963836745","https://openalex.org/W1965347260","https://openalex.org/W1968482786","https://openalex.org/W1968808749","https://openalex.org/W1969111669","https://openalex.org/W1974047452","https://openalex.org/W1974737477","https://openalex.org/W1985078701","https://openalex.org/W1986561662","https://openalex.org/W1987389994","https://openalex.org/W1988681199","https://openalex.org/W1989994082","https://openalex.org/W1992299561","https://openalex.org/W1996613904","https://openalex.org/W2000180131","https://openalex.org/W2003326025","https://openalex.org/W2003407464","https://openalex.org/W2003795236","https://openalex.org/W2005840830","https://openalex.org/W2006563460","https://openalex.org/W2007491909","https://openalex.org/W2008889095","https://openalex.org/W2016703601","https://openalex.org/W2020095931","https://openalex.org/W2020641525","https://openalex.org/W2024649846","https://openalex.org/W2030297232","https://openalex.org/W2034672914","https://openalex.org/W2035108704","https://openalex.org/W2051859009","https://openalex.org/W2057387551","https://openalex.org/W2059317261","https://openalex.org/W2059517161","https://openalex.org/W2061570081","https://openalex.org/W2063623478","https://openalex.org/W2071978272","https://openalex.org/W2072113769","https://openalex.org/W2079414581","https://openalex.org/W2079984563","https://openalex.org/W2084320955","https://openalex.org/W2085088521","https://openalex.org/W2101501480","https://openalex.org/W2101999464","https://openalex.org/W2113410727","https://openalex.org/W2115241128","https://openalex.org/W2115952782","https://openalex.org/W2117490284","https://openalex.org/W2120580365","https://openalex.org/W2127179457","https://openalex.org/W2128175703","https://openalex.org/W2133501143","https://openalex.org/W2136161015","https://openalex.org/W2136181038","https://openalex.org/W2147716564","https://openalex.org/W2151454884","https://openalex.org/W2155096269","https://openalex.org/W2160655723","https://openalex.org/W2161467813","https://openalex.org/W2162371906","https://openalex.org/W2164876780","https://openalex.org/W2185970815","https://openalex.org/W2898592812","https://openalex.org/W2945878709","https://openalex.org/W6683720410"],"related_works":["https://openalex.org/W3204926808","https://openalex.org/W4377008735","https://openalex.org/W3207384893","https://openalex.org/W3207046288","https://openalex.org/W4283156607","https://openalex.org/W2374167006","https://openalex.org/W3096013024","https://openalex.org/W4214921029","https://openalex.org/W4313432081","https://openalex.org/W4285330809"],"abstract_inverted_index":{"Satellites":[0],"have":[1,20,159],"provided":[2],"large-scale":[3],"monitoring":[4],"of":[5,54,110,114,128,190],"vegetation":[6,61,198],"for":[7],"over":[8,108,136,167],"three":[9,41],"decades,":[10],"and":[11,40,50,64,96,117,142,172,199],"several":[12],"satellite-based":[13],"Normalized":[14],"Difference":[15],"Vegetation":[16],"Index":[17],"(NDVI)":[18],"datasets":[19,29,42,57,77,154,186,193],"been":[21],"produced.":[22],"Here":[23],"we":[24],"intercompare":[25],"four":[26],"long-term":[27],"NDVI":[28,76,107,149],"based":[30,43],"largely":[31],"on":[32,44,69],"the":[33,52,56,59,65,90,111,115,129,143,148,151,168,182,185,188],"AVHRR":[34],"sensor":[35],"(NDVIg,":[36],"NDVI3g,":[37],"STAR,":[38],"VIP)":[39],"newer":[45],"sensors":[46],"(SPOT,":[47],"Terra,":[48],"Aqua)":[49],"evaluate":[51,195],"effectiveness":[53],"homogenizing":[55],"using":[58,191],"green":[60],"fraction":[62],"(GVF)":[63],"impact":[66],"it":[67],"has":[68],"phenology":[70],"trends.":[71,177],"Results":[72],"show":[73,155],"that":[74,93],"all":[75],"are":[78,86,133,173],"highly":[79],"correlated":[80],"with":[81,147],"each":[82],"other.":[83],"However,":[84],"there":[85],"significant":[87],"differences":[88],"in":[89,140,184,197],"regression":[91],"slopes":[92],"vary":[94],"spatially":[95],"temporally.":[97],"There":[98],"is":[99],"a":[100,118,125],"general":[101],"trend":[102],"towards":[103],"higher":[104],"maximum":[105],"annual":[106],"much":[109],"temperate":[112],"forests":[113],"US":[116,145],"longer":[119],"greening":[120],"period":[121,171],"due":[122],"mostly":[123],"to":[124,194],"delayed":[126],"end":[127],"season.":[130],"These":[131],"trends":[132,183],"less":[134],"well-defined":[135],"rainfall":[137],"dependent":[138],"ecosystems":[139],"Mexico":[141],"southwest":[144],"Compared":[146],"datasets,":[150],"derived":[152],"GVF":[153],"more":[156],"one-to-one":[157],"relationships,":[158],"reduced":[160],"interannual":[161],"variation,":[162],"preserve":[163],"their":[164],"relationships":[165],"better":[166],"entire":[169],"time":[170],"characterized":[174],"by":[175],"weaker":[176],"Finally,":[178],"weak":[179],"agreement":[180],"between":[181],"stresses":[187],"importance":[189],"multiple":[192],"changes":[196],"its":[200],"phenology.":[201]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":3}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2016-06-24T00:00:00"}
