{"id":"https://openalex.org/W3207289449","doi":"https://doi.org/10.1109/igarss47720.2021.9554968","title":"Retrieval and Validation of Vertical Forest Lai Profile from Airborne Lidar Data","display_name":"Retrieval and Validation of Vertical Forest Lai Profile from Airborne Lidar Data","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3207289449","doi":"https://doi.org/10.1109/igarss47720.2021.9554968","mag":"3207289449"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9554968","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9554968","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","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/A5100319046","display_name":"Yao Wang","orcid":"https://orcid.org/0000-0003-4432-1335"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yao Wang","raw_affiliation_strings":["Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047869085","display_name":"Hongliang Fang","orcid":"https://orcid.org/0000-0002-6345-1197"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongliang Fang","raw_affiliation_strings":["Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100629234","display_name":"Yinghui Zhang","orcid":"https://orcid.org/0000-0001-6980-2384"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yinghui Zhang","raw_affiliation_strings":["Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100698040","display_name":"Sijia Li","orcid":"https://orcid.org/0000-0003-2960-8207"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sijia Li","raw_affiliation_strings":["Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","University of Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences, LREIS, Institute of Geographic Sciences and Natural Resources Research, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"20","issue":null,"first_page":"6712","last_page":"6715"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9998000264167786,"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/T10266","display_name":"Plant Water Relations and Carbon Dynamics","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/leaf-area-index","display_name":"Leaf area index","score":0.8721920251846313},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.8299262523651123},{"id":"https://openalex.org/keywords/radiative-transfer","display_name":"Radiative transfer","score":0.7685425877571106},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6571773290634155},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.5908981561660767},{"id":"https://openalex.org/keywords/atmospheric-radiative-transfer-codes","display_name":"Atmospheric radiative transfer codes","score":0.5795033574104309},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5084894895553589},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1802515983581543},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.15937539935112},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.12484493851661682}],"concepts":[{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.8721920251846313},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.8299262523651123},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.7685425877571106},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6571773290634155},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.5908981561660767},{"id":"https://openalex.org/C199390426","wikidata":"https://www.wikidata.org/wiki/Q2353151","display_name":"Atmospheric radiative transfer codes","level":3,"score":0.5795033574104309},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5084894895553589},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1802515983581543},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.15937539935112},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.12484493851661682},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9554968","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9554968","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","score":0.6200000047683716,"id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1977338552","https://openalex.org/W1995103915","https://openalex.org/W2026200869","https://openalex.org/W2028901390","https://openalex.org/W2031507667","https://openalex.org/W2037117298","https://openalex.org/W2040423177","https://openalex.org/W2067194265","https://openalex.org/W2071083318","https://openalex.org/W2115322030","https://openalex.org/W2146525372","https://openalex.org/W2151647593","https://openalex.org/W2152016466","https://openalex.org/W2163517730","https://openalex.org/W2167248655","https://openalex.org/W2234352756","https://openalex.org/W2335108508","https://openalex.org/W2383860596","https://openalex.org/W2558380412","https://openalex.org/W2686061342","https://openalex.org/W2901846858","https://openalex.org/W2903772126","https://openalex.org/W2907738775","https://openalex.org/W2943316090","https://openalex.org/W2987381149","https://openalex.org/W3003509779","https://openalex.org/W3094233092","https://openalex.org/W3113243634","https://openalex.org/W6843470577"],"related_works":["https://openalex.org/W2090659657","https://openalex.org/W216125233","https://openalex.org/W4243776866","https://openalex.org/W4226068337","https://openalex.org/W3031094829","https://openalex.org/W2023963387","https://openalex.org/W4386555858","https://openalex.org/W4386798815","https://openalex.org/W3100376715","https://openalex.org/W2042943922"],"abstract_inverted_index":{"Leaf":[0],"area":[1],"index":[2],"(LAI)":[3],"is":[4,15],"an":[5],"important":[6],"vegetation":[7],"parameter.":[8],"The":[9,52,67,89,110],"vertical":[10,79],"profile":[11,41,54,112],"of":[12,81],"forest":[13,20],"LAI":[14,40,53,91,111],"critical":[16],"for":[17],"understanding":[18],"the":[19,39,49,62,78,103],"carbon,":[21],"nitrogen,":[22],"and":[23,26,73,83,123],"water":[24],"cycles":[25],"remote":[27,124],"sensing":[28,125],"radiative":[29,126],"transfer":[30,127],"processes.":[31],"This":[32],"study":[33],"developed":[34],"a":[35,97],"method":[36],"to":[37,119],"estimate":[38],"from":[42,61,93,102,114],"airborne":[43],"laser":[44],"scanning":[45],"(ALS)":[46],"data":[47,60,75,95],"during":[48],"leaf-on":[50],"season.":[51],"was":[55],"validated":[56],"using":[57],"field":[58],"measurement":[59],"digital":[63],"hemispherical":[64],"photography":[65],"(DHP).":[66],"results":[68],"show":[69],"that":[70,101],"both":[71],"DHP":[72,104],"ALS":[74,94,115],"can":[76,86,116],"get":[77],"distribution":[80],"LAI,":[82],"similar":[84],"trends":[85],"be":[87,117],"obtained.":[88],"cumulative":[90],"derived":[92,113],"shows":[96],"good":[98],"relationship":[99],"with":[100],"(R":[105],"<sup":[106],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[107],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[108],"=0.84).":[109],"applied":[118],"land":[120],"surface":[121],"models":[122],"models.":[128]},"counts_by_year":[],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}