{"id":"https://openalex.org/W2052640363","doi":"https://doi.org/10.1109/igarss.2014.6947636","title":"Evaluation of MODIS, POLDER and CYCLOPES global FPAR products","display_name":"Evaluation of MODIS, POLDER and CYCLOPES global FPAR products","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W2052640363","doi":"https://doi.org/10.1109/igarss.2014.6947636","mag":"2052640363"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2014.6947636","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2014.6947636","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"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/A5053226762","display_name":"Rongyuan Liu","orcid":"https://orcid.org/0000-0002-1133-6576"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rongyuan Liu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081742589","display_name":"Huazhong Ren","orcid":"https://orcid.org/0000-0002-2882-308X"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]},{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huazhong Ren","raw_affiliation_strings":["Institute of Remote Sensing and Geographic Information System, Peking University, Beijing, China","State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and Geographic Information System, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570","https://openalex.org/I4210166112"]},{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029050073","display_name":"Suhong Liu","orcid":"https://orcid.org/0000-0002-4969-5304"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Suhong Liu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941","https://openalex.org/I4210166112"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100409478","display_name":"Qiang Liu","orcid":"https://orcid.org/0000-0002-5302-9849"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiang Liu","raw_affiliation_strings":["College of Global Change and Earth System Science, Beijing Normal University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Global Change and Earth System Science, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.13239621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"5068","last_page":"5071"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9894000291824341,"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":0.9894000291824341,"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":0.9869999885559082,"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/T14157","display_name":"Environmental and Agricultural Sciences","score":0.9700000286102295,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/photosynthetically-active-radiation","display_name":"Photosynthetically active radiation","score":0.9082799553871155},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7742748260498047},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.654190182685852},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5927363634109497},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14452645182609558}],"concepts":[{"id":"https://openalex.org/C131366478","wikidata":"https://www.wikidata.org/wiki/Q900892","display_name":"Photosynthetically active radiation","level":3,"score":0.9082799553871155},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7742748260498047},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.654190182685852},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5927363634109497},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14452645182609558},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","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/C183688256","wikidata":"https://www.wikidata.org/wiki/Q11982","display_name":"Photosynthesis","level":2,"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":1,"locations":[{"id":"doi:10.1109/igarss.2014.6947636","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2014.6947636","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.6499999761581421}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W61452412","https://openalex.org/W1978160572","https://openalex.org/W2025967407","https://openalex.org/W2028898612","https://openalex.org/W2131126673","https://openalex.org/W2143494625","https://openalex.org/W2157144502"],"related_works":["https://openalex.org/W2368197159","https://openalex.org/W2531052405","https://openalex.org/W2953832573","https://openalex.org/W4285798603","https://openalex.org/W2903250443","https://openalex.org/W2524384275","https://openalex.org/W1997104609","https://openalex.org/W2369658598","https://openalex.org/W2068211455","https://openalex.org/W2122337346"],"abstract_inverted_index":{"Fraction":[0],"of":[1,25,91],"Absorbed":[2],"Photosynthetically":[3],"Active":[4],"Radiation":[5],"(FPAR),":[6],"determined":[7],"from":[8],"remote":[9],"sensing":[10],"data,":[11],"can":[12],"vary":[13],"with":[14],"the":[15,18,26,44,59,89,99,106],"spatial":[16],"resolution,":[17],"different":[19],"retrieval":[20],"algorithms":[21],"and":[22,36,41,51,93,108],"viewing":[23],"angels":[24],"used":[27],"data.":[28],"This":[29],"paper":[30],"aimed":[31],"at":[32,58],"evaluating":[33],"MODIS,":[34],"POLDER":[35,94,107],"CYCLOPE":[37],"global":[38],"FPAR":[39,46,95,101],"products,":[40],"found":[42],"that":[43,98],"MODIS":[45,63,92,100],"was":[47,84,102,111],"larger":[48,104],"than":[49,86,105],"CYCLOPES,":[50],"their":[52,82,109],"difference":[53,83,110],"ranged":[54],"within":[55],"0.1~0.2,":[56],"especially":[57],"forest":[60],"area":[61,71],"where":[62],"product":[64],"always":[65],"presented":[66],"seasonal":[67],"variation":[68],"in":[69],"this":[70],"while":[72],"CYCLOPES":[73],"products":[74,96],"kept":[75],"relatively":[76],"stable.":[77],"For":[78],"other":[79],"vegetation":[80],"covers,":[81],"less":[85],"0.1.":[87],"Furthermore,":[88],"comparison":[90],"shown":[97],"also":[103],"up":[112],"to":[113,115],"0.1":[114],"0.2.":[116]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
