{"id":"https://openalex.org/W2900867967","doi":"https://doi.org/10.1109/igarss.2018.8518218","title":"Hyperspectral Retrieval of Canopy Water Content Through Inversion of the Beer-Lambert Law","display_name":"Hyperspectral Retrieval of Canopy Water Content Through Inversion of the Beer-Lambert Law","publication_year":2018,"publication_date":"2018-07-01","ids":{"openalex":"https://openalex.org/W2900867967","doi":"https://doi.org/10.1109/igarss.2018.8518218","mag":"2900867967"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2018.8518218","doi":"https://doi.org/10.1109/igarss.2018.8518218","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518218","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"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"},"volume":null,"type":"conference-paper","is_traditional":true,"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/A5037702692","display_name":"Matthias Wocher","orcid":"https://orcid.org/0000-0002-7180-2356","observed_orcids":["https://orcid.org/0000-0002-7180-2356"]},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"M Wocher","raw_affiliation_strings":["Dept. of Geography, Ludwig-Maximilians University Munich, Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geography, Ludwig-Maximilians University Munich, Munich, Germany","institution_ids":["https://openalex.org/I8204097"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057952512","display_name":"Katja Berger","orcid":"https://orcid.org/0000-0003-0784-7717","observed_orcids":["https://orcid.org/0000-0003-0784-7717"]},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"K Berger","raw_affiliation_strings":["Dept. of Geography, Ludwig-Maximilians University Munich, Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geography, Ludwig-Maximilians University Munich, Munich, Germany","institution_ids":["https://openalex.org/I8204097"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075724054","display_name":"Martin Danner","orcid":"https://orcid.org/0000-0001-8911-9064","observed_orcids":["https://orcid.org/0000-0001-8911-9064"]},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"M Danner","raw_affiliation_strings":["Dept. of Geography, Ludwig-Maximilians University Munich, Luisenstr. 37, Munich, 80333, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geography, Ludwig-Maximilians University Munich, Luisenstr. 37, Munich, 80333, Germany","institution_ids":["https://openalex.org/I8204097"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007301729","display_name":"Wolfram Mauser","orcid":"https://orcid.org/0000-0002-2963-8759","observed_orcids":["https://orcid.org/0000-0002-2963-8759"]},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"W Mauser","raw_affiliation_strings":["Dept. of Geography, Ludwig-Maximilians University Munich, Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geography, Ludwig-Maximilians University Munich, Munich, Germany","institution_ids":["https://openalex.org/I8204097"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056866914","display_name":"Tobias Hank","orcid":"https://orcid.org/0000-0001-7491-0291","observed_orcids":["https://orcid.org/0000-0001-7491-0291"]},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"T. Hank","raw_affiliation_strings":["Dept. of Geography, Ludwig-Maximilians University Munich, Luisenstr. 37, Munich, 80333, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geography, Ludwig-Maximilians University Munich, Luisenstr. 37, Munich, 80333, Germany","institution_ids":["https://openalex.org/I8204097"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I8204097"],"apc_list":null,"apc_paid":null,"fwci":1.1416,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.7673445,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"7","issue":null,"first_page":"3805","last_page":"3808"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9682999849319458,"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":0.9682999849319458,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.009800000116229057,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10689","display_name":"Remote-Sensing Image Classification","score":0.0026000000070780516,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/canopy-water-content","display_name":"canopy water content","score":0.9729999899864197},{"id":"https://openalex.org/keywords/equivalent-water-thickness","display_name":"equivalent water thickness","score":0.8690000176429749},{"id":"https://openalex.org/keywords/hyperspectral-retrieval","display_name":"hyperspectral retrieval","score":0.722000002861023},{"id":"https://openalex.org/keywords/winter-wheat","display_name":"winter wheat","score":0.9869999885559082},{"id":"https://openalex.org/keywords/prospect-model","display_name":"PROSPECT model","score":0.8230000138282776},{"id":"https://openalex.org/keywords/leaf-optical-properties","display_name":"leaf optical properties","score":0.8169999718666077},{"id":"https://openalex.org/keywords/canopy-reflectance","display_name":"canopy reflectance","score":0.7720000147819519},{"id":"https://openalex.org/keywords/near-infrared","display_name":"near-infrared","score":0.453000009059906},{"id":"https://openalex.org/keywords/leaf-water-content","display_name":"leaf water content","score":0.6240000128746033}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.8268197774887085},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.8186064958572388},{"id":"https://openalex.org/C127339321","wikidata":"https://www.wikidata.org/wiki/Q217351","display_name":"Beer\u2013Lambert law","level":2,"score":0.6967798471450806},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6014362573623657},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5783481597900391},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.528662919998169},{"id":"https://openalex.org/C108597893","wikidata":"https://www.wikidata.org/wiki/Q663650","display_name":"Reflectivity","level":2,"score":0.4593603312969208},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.4254000782966614},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.19417628645896912},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.14074599742889404},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.13987109065055847},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06294077634811401},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/igarss.2018.8518218","doi":"https://doi.org/10.1109/igarss.2018.8518218","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2018.8518218","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"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:gfzpublic.gfz-potsdam.de:item_5027939","doi":null,"is_oa":false,"landing_page_url":"https://gfzpublic.gfz-potsdam.de/pubman/item/item_5027939","pdf_url":null,"source":{"id":"https://openalex.org/S4306401313","display_name":"Publication Database GFZ (GFZ German Research Centre for Geosciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210152878","host_organization_name":"GFZ Helmholtz Centre for Geosciences","host_organization_lineage":["https://openalex.org/I4210152878"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:gfzpublic.gfz.de:item_5027939","doi":null,"is_oa":false,"landing_page_url":"https://gfzpublic.gfz.de/pubman/item/item_5027939","pdf_url":null,"source":{"id":"https://openalex.org/S4306401313","display_name":"Publication Database GFZ (GFZ German Research Centre for Geosciences)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210152878","host_organization_name":"GFZ Helmholtz Centre for Geosciences","host_organization_lineage":["https://openalex.org/I4210152878"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W633320881","https://openalex.org/W1551545224","https://openalex.org/W1754365911","https://openalex.org/W1772504446","https://openalex.org/W1972664953","https://openalex.org/W1974110440","https://openalex.org/W1977497970","https://openalex.org/W1986786848","https://openalex.org/W1997752313","https://openalex.org/W2051128904","https://openalex.org/W2065191898","https://openalex.org/W2066612219","https://openalex.org/W2133272607","https://openalex.org/W2163522904","https://openalex.org/W2596051487"],"related_works":["https://openalex.org/W2903146849","https://openalex.org/W2062171453","https://openalex.org/W1551545224","https://openalex.org/W2474981298","https://openalex.org/W2160146059","https://openalex.org/W2981939238","https://openalex.org/W2065968650","https://openalex.org/W2124548411","https://openalex.org/W1966854564","https://openalex.org/W2074443152"],"abstract_inverted_index":{"The":[0,43],"retrieval":[1],"of":[2,52,104,121,131],"quantitative":[3],"equivalent":[4],"water":[5,31,79,93,138],"thickness":[6],"on":[7],"canopy":[8,105,137],"level":[9],"(EWTc)":[10],"is":[11,26,46],"an":[12],"agriculturally":[13],"important":[14],"task":[15],"for":[16,83,108,115],"hyperspectral":[17],"remote":[18],"sensing.":[19],"In":[20],"this":[21],"study":[22],"the":[23,98],"Beer-Lambert":[24],"law":[25],"applied":[27],"to":[28,100,124],"inversely":[29],"determine":[30],"content":[32,80],"from":[33],"measured":[34,134],"winter":[35],"wheat":[36],"spectra":[37],"collected":[38],"in":[39,72,97],"2015":[40],"and":[41,66,68,86,117,126,135],"2017.":[42],"spectral":[44],"model":[45],"calibrated":[47],"using":[48,59],"a":[49,127],"look-up-table":[50],"(LUT)":[51],"50.000":[53],"PROSPECT":[54],"spectra.":[55],"Validation":[56],"was":[57],"performed":[58],"two":[60],"leaf":[61],"optical":[62],"properties":[63],"datasets":[64],"(LOPEX93":[65],"ANGERS)":[67],"in-situ":[69,78],"data":[70],"acquired":[71],"Southern":[73],"Germany.":[74],"After":[75],"considering":[76],"destructive":[77],"measurements":[81],"separately":[82],"leaves,":[84],"stems,":[85],"fruits,":[87],"results":[88],"indicate":[89],"optically":[90],"active":[91],"plant":[92,95],"by":[94],"component":[96],"930":[99],"1060":[101],"nm":[102],"range":[103],"reflectance.":[106],"Results":[107],"spectrally":[109],"derived":[110],"EWTc":[111],"were":[112],"most":[113],"promising":[114],"leaves":[116],"ears":[118],"reaching":[119],"coefficients":[120],"determination":[122],"up":[123],"0.75":[125],"normalized":[128],"RMSE":[129],"(nRMSE)":[130],"24%":[132],"between":[133],"estimated":[136],"content.":[139]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2018-11-29T00:00:00"}