{"id":"https://openalex.org/W2901080069","doi":"https://doi.org/10.1109/igarss.2018.8517554","title":"Implications of Diurnal Changes in Leaf PRI on Remote Measurements of Light Use Efficiency","display_name":"Implications of Diurnal Changes in Leaf PRI on Remote Measurements of Light Use Efficiency","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2901080069","doi":"https://doi.org/10.1109/igarss.2018.8517554","mag":"2901080069"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8517554","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8517554","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","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/A5038721631","display_name":"Matti M\u00f5ttus","orcid":"https://orcid.org/0000-0002-2745-1966"},"institutions":[{"id":"https://openalex.org/I87653560","display_name":"VTT Technical Research Centre of Finland","ror":"https://ror.org/04b181w54","country_code":"FI","type":"nonprofit","lineage":["https://openalex.org/I4210089493","https://openalex.org/I87653560"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Matti Mottus","raw_affiliation_strings":["VTT Technical Research Centre of Finland, VTT, Finland"],"affiliations":[{"raw_affiliation_string":"VTT Technical Research Centre of Finland, VTT, Finland","institution_ids":["https://openalex.org/I87653560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083328680","display_name":"Juho Aalto","orcid":"https://orcid.org/0000-0002-5686-1366"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Juho Aalto","raw_affiliation_strings":["Faculty of Science, University of Helsinki, Finland"],"affiliations":[{"raw_affiliation_string":"Faculty of Science, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066469558","display_name":"Luiz E. O. C. Arag\u00e3o","orcid":"https://orcid.org/0000-0002-4134-6708"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"National Institute for Space Research","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Luiz Aragao","raw_affiliation_strings":["Remote Sensing Division, National Institute for Space Research-INPE, SP, Brazil"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Division, National Institute for Space Research-INPE, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008805563","display_name":"Jaana B\u00e4ck","orcid":"https://orcid.org/0000-0002-6107-667X"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jaana Back","raw_affiliation_strings":["Faculty of Agriculture and Forestry, University of Helsinki, Finland"],"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture and Forestry, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036723583","display_name":"Roc\u00edo Hern\u00e1ndez\u2010Clemente","orcid":"https://orcid.org/0000-0002-4434-8346"},"institutions":[{"id":"https://openalex.org/I39586589","display_name":"Swansea University","ror":"https://ror.org/053fq8t95","country_code":"GB","type":"education","lineage":["https://openalex.org/I39586589"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rocio Hernandez-Clemente","raw_affiliation_strings":["Department of Geography, University of Swansea, Swansea, UK"],"affiliations":[{"raw_affiliation_string":"Department of Geography, University of Swansea, Swansea, UK","institution_ids":["https://openalex.org/I39586589"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009535742","display_name":"Eduardo Eiji Maeda","orcid":"https://orcid.org/0000-0001-7932-1824"},"institutions":[{"id":"https://openalex.org/I133731052","display_name":"University of Helsinki","ror":"https://ror.org/040af2s02","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Eduardo Eiji Maeda","raw_affiliation_strings":["Faculty of Biological and Environmental Sciences, University of Helsinki, Finland"],"affiliations":[{"raw_affiliation_string":"Faculty of Biological and Environmental Sciences, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017181332","display_name":"Vincent Markiet","orcid":null},"institutions":[{"id":"https://openalex.org/I87653560","display_name":"VTT Technical Research Centre of Finland","ror":"https://ror.org/04b181w54","country_code":"FI","type":"nonprofit","lineage":["https://openalex.org/I4210089493","https://openalex.org/I87653560"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Vincent Markiet","raw_affiliation_strings":["VTT Technical Research Centre of Finland, VTT, Finland"],"affiliations":[{"raw_affiliation_string":"VTT Technical Research Centre of Finland, VTT, Finland","institution_ids":["https://openalex.org/I87653560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051198329","display_name":"Caroline Nichol","orcid":"https://orcid.org/0000-0003-4177-1787"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Caroline J. Nichol","raw_affiliation_strings":["School of GeoSciences, University of Edinburgh, Scotland, UK"],"affiliations":[{"raw_affiliation_string":"School of GeoSciences, University of Edinburgh, Scotland, UK","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091088692","display_name":"Raimundo Cosme de Oliveira","orcid":"https://orcid.org/0000-0002-2735-1746"},"institutions":[{"id":"https://openalex.org/I199691007","display_name":"Brazilian Agricultural Research Corporation","ror":"https://ror.org/0482b5b22","country_code":"BR","type":"government","lineage":["https://openalex.org/I199691007"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Raimundo Cosme Oliveira","raw_affiliation_strings":["Brazilian Agricultural Research Corporation - Embrapa-Amaz\u00f4nia Oriental, Brazil"],"affiliations":[{"raw_affiliation_string":"Brazilian Agricultural Research Corporation - Embrapa-Amaz\u00f4nia Oriental, Brazil","institution_ids":["https://openalex.org/I199691007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077286041","display_name":"Natalia Restrepo\u2010Coup\u00e9","orcid":"https://orcid.org/0000-0003-3921-1772"},"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":"Natalia Restrepo-Coupe","raw_affiliation_strings":["Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA","institution_ids":["https://openalex.org/I138006243"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070969548","display_name":"S. R. Saleska","orcid":"https://orcid.org/0000-0002-4974-3628"},"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":"Scott R. Saleska","raw_affiliation_strings":["Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA","institution_ids":["https://openalex.org/I138006243"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":11,"corresponding_author_ids":["https://openalex.org/A5038721631"],"corresponding_institution_ids":["https://openalex.org/I87653560"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10327836,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"9007","last_page":"9010"},"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9954000115394592,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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"}},{"id":"https://openalex.org/T10766","display_name":"Urban Heat Island Mitigation","score":0.9890000224113464,"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/photochemical-reflectance-index","display_name":"Photochemical Reflectance Index","score":0.8929599523544312},{"id":"https://openalex.org/keywords/biome","display_name":"Biome","score":0.720599889755249},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7034096121788025},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.6262938380241394},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6216322183609009},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5892808437347412},{"id":"https://openalex.org/keywords/photosynthesis","display_name":"Photosynthesis","score":0.5880824327468872},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.5276210308074951},{"id":"https://openalex.org/keywords/evergreen","display_name":"Evergreen","score":0.5252803564071655},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.49808168411254883},{"id":"https://openalex.org/keywords/diurnal-cycle","display_name":"Diurnal cycle","score":0.4196029007434845},{"id":"https://openalex.org/keywords/chlorophyll-fluorescence","display_name":"Chlorophyll fluorescence","score":0.3590623140335083},{"id":"https://openalex.org/keywords/botany","display_name":"Botany","score":0.1893334984779358},{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.17854753136634827},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15525135397911072},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.1542130708694458},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.13773781061172485},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13772326707839966}],"concepts":[{"id":"https://openalex.org/C2777476368","wikidata":"https://www.wikidata.org/wiki/Q7187722","display_name":"Photochemical Reflectance Index","level":4,"score":0.8929599523544312},{"id":"https://openalex.org/C89920630","wikidata":"https://www.wikidata.org/wiki/Q101998","display_name":"Biome","level":3,"score":0.720599889755249},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7034096121788025},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.6262938380241394},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6216322183609009},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5892808437347412},{"id":"https://openalex.org/C183688256","wikidata":"https://www.wikidata.org/wiki/Q11982","display_name":"Photosynthesis","level":2,"score":0.5880824327468872},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.5276210308074951},{"id":"https://openalex.org/C177924670","wikidata":"https://www.wikidata.org/wiki/Q190489","display_name":"Evergreen","level":2,"score":0.5252803564071655},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.49808168411254883},{"id":"https://openalex.org/C63991900","wikidata":"https://www.wikidata.org/wiki/Q1469559","display_name":"Diurnal cycle","level":2,"score":0.4196029007434845},{"id":"https://openalex.org/C24630173","wikidata":"https://www.wikidata.org/wiki/Q1075297","display_name":"Chlorophyll fluorescence","level":3,"score":0.3590623140335083},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.1893334984779358},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.17854753136634827},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15525135397911072},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.1542130708694458},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.13773781061172485},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13772326707839966},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","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:10.1109/igarss.2018.8517554","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8517554","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:opus.lib.uts.edu.au:10453/133417","is_oa":false,"landing_page_url":"http://hdl.handle.net/10453/133417","pdf_url":null,"source":{"id":"https://openalex.org/S4306401357","display_name":"UTS ePRESS (University of Technology Sydney)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I114017466","host_organization_name":"University of Technology Sydney","host_organization_lineage":["https://openalex.org/I114017466"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Proceeding"},{"id":"pmh:oai:urlib.net:sid.inpe.br/mtc-m21c/2018/07.24.13.29.23-0","is_oa":false,"landing_page_url":"http://urlib.net/8JMKD3MGP3W34R/3RGJ6FP","pdf_url":null,"source":{"id":"https://openalex.org/S4377196298","display_name":"Biblioteca Digital da Mem\u00f3ria Cient\u00edfica do INPE (National Institute for Space Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I80849659","host_organization_name":"Instituto Nacional de Pesquisas Espaciais","host_organization_lineage":["https://openalex.org/I80849659"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15","score":0.6299999952316284}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1964462201","https://openalex.org/W2003946838","https://openalex.org/W2030233869","https://openalex.org/W2039762028","https://openalex.org/W2048538929","https://openalex.org/W2092520623","https://openalex.org/W2109542058","https://openalex.org/W2571189887","https://openalex.org/W2612925926","https://openalex.org/W4241285984"],"related_works":["https://openalex.org/W2360652158","https://openalex.org/W2153646484","https://openalex.org/W2039217077","https://openalex.org/W4239610326","https://openalex.org/W1980298608","https://openalex.org/W150717498","https://openalex.org/W3011769302","https://openalex.org/W2282184259","https://openalex.org/W4387730472","https://openalex.org/W2090163708"],"abstract_inverted_index":{"The":[0,143,191],"spectral":[1,46],"properties":[2],"of":[3,9,20,69,85,113,130,146,196,216],"plant":[4],"leaves":[5],"reflect":[6],"the":[7,14,25,38,53,66,70,96,101,111,127,151,167,181,194],"state":[8],"their":[10],"photosynthetic":[11,21,67],"apparatus":[12],"and":[13,48,78,119,140,171,175,209],"surrounding":[15],"environment.":[16],"A":[17],"well-known":[18],"mechanism":[19],"downregulation,":[22],"active":[23],"on":[24],"time":[26,105],"scale":[27,120],"from":[28,74],"minutes":[29],"to":[30,64,122,206],"hours,":[31],"is":[32],"caused":[33],"by":[34,159],"reversible":[35],"changes":[36,43],"in":[37,91,133,180],"xanthophyll":[39],"cycle":[40],"pigments.":[41],"These":[42],"affect":[44],"leaf":[45,131],"absorption":[47],"are":[49],"frequently":[50],"quantified":[51],"using":[52],"Photochemical":[54],"Reflectance":[55],"Index":[56],"(PRI).":[57],"This":[58,183],"index":[59],"can":[60],"thus":[61],"be":[62],"used":[63],"monitor":[65],"status":[68],"vegetation":[71],"canopy,":[72],"potentially":[73],"a":[75,81],"large":[76],"distance,":[77],"allows":[79],"for":[80,150,201],"global":[82],"satellite-based":[83],"monitoring":[84],"photosynthesis.":[86],"Such":[87],"Earth":[88],"observation":[89],"satellites":[90],"near-polar":[92],"orbits":[93],"usually":[94],"cover":[95],"same":[97,102],"geographical":[98],"location":[99],"at":[100,106,213],"local":[103],"solar":[104],"regular":[107],"intervals.":[108],"To":[109],"facilitate":[110],"interpretation":[112],"these":[114],"instantaneous":[115,203],"remote":[116,204],"PRI":[117,132,147,156,170,176,199],"measurements":[118,205],"them":[121],"longer":[123],"timescales,":[124],"we":[125],"measured":[126],"daily":[128,144,198,207],"course":[129,145],"two":[134,152],"evergreen":[135],"biomes:":[136],"European":[137],"boreal":[138,168],"forest":[139],"Amazon":[141],"rainforest.":[142],"was":[148,157,185],"different":[149,214],"locations.":[153],"In":[154,166],"Amazon,":[155],"driven":[158],"incident":[160],"Photosynthetic":[161],"Photon":[162],"Flux":[163],"Density":[164],"(PPFD).":[165],"location,":[169],"PPFD":[172],"were":[173],"decoupled":[174],"indicated":[177],"downregulation":[178,184],"only":[179],"afternoon.":[182],"confirmed":[186],"with":[187],"carbon":[188],"exchange":[189],"measurements.":[190],"study":[192],"demonstrates":[193],"utility":[195],"biome-specific":[197],"curves":[200],"scaling":[202],"values":[208],"comparing":[210],"data":[211],"acquired":[212],"times":[215],"day.":[217]},"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
