{"id":"https://openalex.org/W2987615130","doi":"https://doi.org/10.1109/igarss.2019.8900658","title":"Topographic Effects on Leaf Area Index Retrieval by Remote Sensing Approach","display_name":"Topographic Effects on Leaf Area Index Retrieval by Remote Sensing Approach","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2987615130","doi":"https://doi.org/10.1109/igarss.2019.8900658","mag":"2987615130"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2019.8900658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8900658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International 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/A5039683385","display_name":"Wentao Yu","orcid":"https://orcid.org/0000-0002-2348-5050"},"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/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":"Wentao Yu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100406565","display_name":"Jing Li","orcid":"https://orcid.org/0000-0002-7880-1452"},"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/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":"Jing Li","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018009227","display_name":"Qinhuo Liu","orcid":"https://orcid.org/0000-0002-3713-9511"},"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/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":"Qinhuo Liu","raw_affiliation_strings":["State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210166112"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":null,"first_page":"6539","last_page":"6542"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9988999962806702,"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":0.9988999962806702,"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9918000102043152,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9889000058174133,"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/remote-sensing","display_name":"Remote sensing","score":0.7050502300262451},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.6410109996795654},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6031495928764343},{"id":"https://openalex.org/keywords/leaf-area-index","display_name":"Leaf area index","score":0.513505756855011},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.33861643075942993},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.33045536279678345},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.30893880128860474},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.10410517454147339}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7050502300262451},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.6410109996795654},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6031495928764343},{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.513505756855011},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.33861643075942993},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.33045536279678345},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.30893880128860474},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.10410517454147339},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"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":1,"locations":[{"id":"doi:10.1109/igarss.2019.8900658","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8900658","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4699999988079071,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W61452412","https://openalex.org/W338253955","https://openalex.org/W2050979718","https://openalex.org/W2054156171","https://openalex.org/W2148720802","https://openalex.org/W2151647593","https://openalex.org/W2801187916","https://openalex.org/W2807121776","https://openalex.org/W2808903498","https://openalex.org/W2901155277","https://openalex.org/W6752244823"],"related_works":["https://openalex.org/W4383117943","https://openalex.org/W4385180878","https://openalex.org/W4382366283","https://openalex.org/W4382519655","https://openalex.org/W2324615561","https://openalex.org/W2086120259","https://openalex.org/W4383117825","https://openalex.org/W32300172","https://openalex.org/W1972288805","https://openalex.org/W2115049406"],"abstract_inverted_index":{"Topography":[0],"significantly":[1],"complicates":[2],"the":[3,11,19,39,49,66,78,96,105],"radiative":[4,53],"transfer":[5],"process":[6],"and":[7,45,56,89],"further":[8],"to":[9,24],"influence":[10,67],"parameter":[12],"inversion":[13,63,71,106],"by":[14],"remote":[15],"sensing":[16],"approach.":[17,64],"Neglecting":[18],"topographic":[20,40,97],"effects":[21,41,98],"may":[22,90],"lead":[23],"large":[25],"uncertainties":[26,86],"when":[27],"estimating":[28],"LAI":[29,62,70,88,100],"(Leaf":[30],"area":[31],"index)":[32],"over":[33],"rugged":[34],"terrain.":[35],"In":[36],"this":[37],"study,":[38],"are":[42],"quantitatively":[43],"investigated":[44],"analyzed":[46],"based":[47],"on":[48,69,99],"DART":[50],"(discrete":[51],"anisotropic":[52],"transfer)":[54],"simulations":[55],"ANN":[57],"(artificial":[58],"neural":[59],"network)":[60],"-based":[61],"And":[65],"factors":[68],"is":[72],"analyzed.":[73],"The":[74],"results":[75],"reveal":[76],"that":[77],"topography":[79],"can":[80],"account":[81],"for":[82],"more":[83],"than":[84],"50%":[85],"of":[87],"result":[91],"in":[92,104],"not":[93],"invertible":[94],"cases.":[95],"cannot":[101],"be":[102],"neglected":[103],"process.":[107]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
