{"id":"https://openalex.org/W2167985024","doi":"https://doi.org/10.1109/igarss.2002.1026771","title":"Contribution of chlorophyll fluorescence to the reflectance of corn foliage","display_name":"Contribution of chlorophyll fluorescence to the reflectance of corn foliage","publication_year":2003,"publication_date":"2003-10-01","ids":{"openalex":"https://openalex.org/W2167985024","doi":"https://doi.org/10.1109/igarss.2002.1026771","mag":"2167985024"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2002.1026771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2002.1026771","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://mdsoar.org/bitstreams/2556c9f7-e57c-45e1-86ff-d1d511c41407/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5020026010","display_name":"Petya Campbell","orcid":"https://orcid.org/0000-0002-0505-4951"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"P.K.E. Campbell","raw_affiliation_strings":["Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112559229","display_name":"E. Middleton","orcid":null},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E.M. Middleton","raw_affiliation_strings":["Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110267471","display_name":"Lawrence A. Corp","orcid":null},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"L.A. Corp","raw_affiliation_strings":["Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022827918","display_name":"J. E. McMurtrey","orcid":null},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J.E. McMurtrey","raw_affiliation_strings":["Hydrology & Remote Sensing Laboratory, Agricultural Research Service, USDA, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"Hydrology & Remote Sensing Laboratory, Agricultural Research Service, USDA, Beltsville, MD, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113025853","display_name":"M.S. Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},{"id":"https://openalex.org/I4210125976","display_name":"Beltsville Agricultural Research Center","ror":"https://ror.org/03b08sh51","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210125976","https://openalex.org/I4210138094"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M.S. Kim","raw_affiliation_strings":["Instrumentation and Sensing Laboratory, Agricultural Research Service, USDA, Beltsville, MD, USA"],"affiliations":[{"raw_affiliation_string":"Instrumentation and Sensing Laboratory, Agricultural Research Service, USDA, Beltsville, MD, USA","institution_ids":["https://openalex.org/I4210125976","https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113573925","display_name":"Emmett W. Chappelle","orcid":null},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E.W. Chappelle","raw_affiliation_strings":["Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112455470","display_name":"L.M. Butcher","orcid":null},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"L.M. Butcher","raw_affiliation_strings":["Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Biospheric Sciences Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5020026010"],"corresponding_institution_ids":["https://openalex.org/I1306266525"],"apc_list":null,"apc_paid":null,"fwci":1.2706,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.80201508,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"5","issue":null,"first_page":"2775","last_page":"2777"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9966999888420105,"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":0.9966999888420105,"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/T11760","display_name":"Plant responses to elevated CO2","score":0.9941999912261963,"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9829999804496765,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/reflectivity","display_name":"Reflectivity","score":0.5877949595451355},{"id":"https://openalex.org/keywords/fluorescence","display_name":"Fluorescence","score":0.5544028282165527},{"id":"https://openalex.org/keywords/chlorophyll","display_name":"Chlorophyll","score":0.49931907653808594},{"id":"https://openalex.org/keywords/chlorophyll-fluorescence","display_name":"Chlorophyll fluorescence","score":0.4764288365840912},{"id":"https://openalex.org/keywords/nitrogen","display_name":"Nitrogen","score":0.44644901156425476},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4000808000564575},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.38765817880630493},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.3648832142353058},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.3524237871170044},{"id":"https://openalex.org/keywords/horticulture","display_name":"Horticulture","score":0.34396985173225403},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.17592114210128784},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.10881012678146362},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.10376042127609253},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09953188896179199}],"concepts":[{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.5877949595451355},{"id":"https://openalex.org/C91881484","wikidata":"https://www.wikidata.org/wiki/Q191807","display_name":"Fluorescence","level":2,"score":0.5544028282165527},{"id":"https://openalex.org/C2776373379","wikidata":"https://www.wikidata.org/wiki/Q43177","display_name":"Chlorophyll","level":2,"score":0.49931907653808594},{"id":"https://openalex.org/C24630173","wikidata":"https://www.wikidata.org/wiki/Q1075297","display_name":"Chlorophyll fluorescence","level":3,"score":0.4764288365840912},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.44644901156425476},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4000808000564575},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.38765817880630493},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.3648832142353058},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3524237871170044},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.34396985173225403},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.17592114210128784},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10881012678146362},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.10376042127609253},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09953188896179199},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/igarss.2002.1026771","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2002.1026771","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:mdsoar.org:11603/28664","is_oa":true,"landing_page_url":"http://hdl.handle.net/11603/28664","pdf_url":"https://mdsoar.org/bitstreams/2556c9f7-e57c-45e1-86ff-d1d511c41407/download","source":{"id":"https://openalex.org/S4306402556","display_name":"Maryland Shared Open Access Repository (USMAI Consortium)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"doi:10.13016/m2i0h0-fq4k","is_oa":true,"landing_page_url":"https://doi.org/10.13016/m2i0h0-fq4k","pdf_url":null,"source":{"id":"https://openalex.org/S4306402644","display_name":"Digital Repository at the University of Maryland (University of Maryland College Park)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I66946132","host_organization_name":"University of Maryland, College Park","host_organization_lineage":["https://openalex.org/I66946132"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:mdsoar.org:11603/28664","is_oa":true,"landing_page_url":"http://hdl.handle.net/11603/28664","pdf_url":"https://mdsoar.org/bitstreams/2556c9f7-e57c-45e1-86ff-d1d511c41407/download","source":{"id":"https://openalex.org/S4306402556","display_name":"Maryland Shared Open Access Repository (USMAI Consortium)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2167985024.pdf"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W40824769","https://openalex.org/W796335216","https://openalex.org/W817625401","https://openalex.org/W2000763890","https://openalex.org/W2019115756","https://openalex.org/W2042358730","https://openalex.org/W2076199661","https://openalex.org/W2079902777","https://openalex.org/W2080644073","https://openalex.org/W2104279516","https://openalex.org/W2118366875","https://openalex.org/W2156126597","https://openalex.org/W2508888726","https://openalex.org/W6622728964","https://openalex.org/W6623089404","https://openalex.org/W6725227166"],"related_works":["https://openalex.org/W2382309260","https://openalex.org/W2369913389","https://openalex.org/W1968431014","https://openalex.org/W2353900815","https://openalex.org/W2149482486","https://openalex.org/W2356448490","https://openalex.org/W2046265352","https://openalex.org/W2359114623","https://openalex.org/W2365613760","https://openalex.org/W2073505988"],"abstract_inverted_index":{"To":[0],"assess":[1],"the":[2,13,67,74,79,82,96],"contribution":[3,38],"of":[4,39,55],"chlorophyll":[5],"fluorescence":[6],"(ChlF)":[7],"to":[8,34,41,59,73],"apparent":[9],"reflectance":[10],"(Ra)":[11],"in":[12,84],"red/far-red,":[14],"spectra":[15],"were":[16],"collected":[17],"on":[18,46],"a":[19],"C/sub":[20],"4/":[21],"agricultural":[22],"species":[23],"(corn,":[24],"Zea":[25],"mays":[26],"L.)":[27],"under":[28,112],"conditions":[29],"ranging":[30],"from":[31,66],"nitrogen":[32],"deficiency":[33],"excess.":[35],"A":[36],"significant":[37],"ChlF":[40,62,86,97],"Ra":[42,56],"was":[43,63],"observed,":[44],"with":[45],"average":[47],"10-25%":[48],"at":[49,53],"685nm":[50],"and":[51],"2-6%":[52],"740nm":[54],"being":[57],"due":[58],"ChlF.":[60],"Higher":[61],"consistently":[64],"measured":[65],"abaxial":[68],"leaf":[69],"surface":[70],"as":[71],"compared":[72],"adaxial.":[75],"Using":[76],"350-665nm":[77],"excitation,":[78],"study":[80],"confirms":[81],"trends":[83],"three":[85],"ratios":[87],"established":[88],"previously":[89],"by":[90],"active":[91],"F":[92],"technology,":[93],"suggesting":[94],"that":[95],"utility":[98],"this":[99],"technology":[100],"has":[101],"developed":[102],"for":[103],"monitoring":[104],"vegetation":[105],"physiological":[106],"status":[107],"is":[108],"likely":[109],"applicable":[110],"also":[111],"natural":[113],"solar":[114],"illumination.":[115]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-11T14:59:36.786465","created_date":"2025-10-10T00:00:00"}
