{"id":"https://openalex.org/W2126147437","doi":"https://doi.org/10.1109/igarss.2011.6049675","title":"Generating fine resolution leaf area index maps for boreal forests of Finland","display_name":"Generating fine resolution leaf area index maps for boreal forests of Finland","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2126147437","doi":"https://doi.org/10.1109/igarss.2011.6049675","mag":"2126147437"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2011.6049675","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049675","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 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/A5002576056","display_name":"Janne Heiskanen","orcid":"https://orcid.org/0000-0002-3899-8860"},"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":"Janne Heiskanen","raw_affiliation_strings":["Department of Forest Sciences, University of Helsinki, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Forest Sciences, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079472711","display_name":"Miina Rautiainen","orcid":"https://orcid.org/0000-0002-6568-3258"},"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":"Miina Rautiainen","raw_affiliation_strings":["Department of Forest Sciences, University of Helsinki, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Forest Sciences, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078472341","display_name":"Lauri Korhonen","orcid":"https://orcid.org/0000-0002-9352-0114"},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]},{"id":"https://openalex.org/I4210107997","display_name":"Finland University","ror":"https://ror.org/014rks409","country_code":"FI","type":"education","lineage":["https://openalex.org/I4210107997"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Lauri Korhonen","raw_affiliation_strings":["School of Forest Sciences, University of Eastern Finland, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Forest Sciences, University of Eastern Finland, Finland","institution_ids":["https://openalex.org/I175532246","https://openalex.org/I4210107997"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038721631","display_name":"Matti M\u00f5ttus","orcid":"https://orcid.org/0000-0002-2745-1966"},"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":"Matti Mottus","raw_affiliation_strings":["Department of Geosciences and Geography, University of Helsinki, Finland","Department of Geosciences and Geography; University of Helsinki; Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geosciences and Geography, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]},{"raw_affiliation_string":"Department of Geosciences and Geography; University of Helsinki; Finland","institution_ids":["https://openalex.org/I133731052"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088876263","display_name":"Pauline Stenberg","orcid":null},"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":"Pauline Stenberg","raw_affiliation_strings":["Department of Forest Sciences, University of Helsinki, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Forest Sciences, University of Helsinki, Finland","institution_ids":["https://openalex.org/I133731052"]}]}],"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":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2326","last_page":"2329"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9977999925613403,"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":0.9973000288009644,"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":0.73487788438797},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7306332588195801},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.5974716544151306},{"id":"https://openalex.org/keywords/taiga","display_name":"Taiga","score":0.5607210993766785},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5219014286994934},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5013678073883057},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4813985824584961},{"id":"https://openalex.org/keywords/land-cover","display_name":"Land cover","score":0.47106024622917175},{"id":"https://openalex.org/keywords/boreal","display_name":"Boreal","score":0.43886998295783997},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4364318251609802},{"id":"https://openalex.org/keywords/high-resolution","display_name":"High resolution","score":0.42288678884506226},{"id":"https://openalex.org/keywords/forestry","display_name":"Forestry","score":0.34065181016921997},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2887093126773834},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.26682883501052856},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.24610671401023865},{"id":"https://openalex.org/keywords/land-use","display_name":"Land use","score":0.13298919796943665},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.10288453102111816},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09486627578735352},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08221739530563354}],"concepts":[{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.73487788438797},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7306332588195801},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.5974716544151306},{"id":"https://openalex.org/C87621631","wikidata":"https://www.wikidata.org/wiki/Q69564","display_name":"Taiga","level":2,"score":0.5607210993766785},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5219014286994934},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5013678073883057},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4813985824584961},{"id":"https://openalex.org/C2780648208","wikidata":"https://www.wikidata.org/wiki/Q3001793","display_name":"Land cover","level":3,"score":0.47106024622917175},{"id":"https://openalex.org/C100537666","wikidata":"https://www.wikidata.org/wiki/Q893477","display_name":"Boreal","level":2,"score":0.43886998295783997},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4364318251609802},{"id":"https://openalex.org/C3020199158","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"High resolution","level":2,"score":0.42288678884506226},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.34065181016921997},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2887093126773834},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.26682883501052856},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.24610671401023865},{"id":"https://openalex.org/C4792198","wikidata":"https://www.wikidata.org/wiki/Q1165944","display_name":"Land use","level":2,"score":0.13298919796943665},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.10288453102111816},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09486627578735352},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08221739530563354},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","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},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2011.6049675","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049675","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.75,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320310086","display_name":"Helsingin Yliopisto","ror":"https://ror.org/040af2s02"},{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1970972243","https://openalex.org/W1987139340","https://openalex.org/W1999091234","https://openalex.org/W2068954418","https://openalex.org/W2076684180","https://openalex.org/W2103509248"],"related_works":["https://openalex.org/W3093150799","https://openalex.org/W2662533946","https://openalex.org/W193819561","https://openalex.org/W11644078","https://openalex.org/W175061559","https://openalex.org/W4205407389","https://openalex.org/W4372050198","https://openalex.org/W2291835616","https://openalex.org/W2488577384","https://openalex.org/W2080460749"],"abstract_inverted_index":{"In":[0,19],"addition":[1],"to":[2,11,33,108],"global-scale":[3],"LAI":[4,30,36,78,123,138,150],"products,":[5],"higher":[6,142],"resolution":[7,51,148],"maps":[8,37],"are":[9,134,141],"needed":[10],"better":[12,74],"depict":[13],"the":[14,53,109,127,131,144],"spatial":[15],"heterogeneity":[16],"of":[17,41],"LAI.":[18],"this":[20],"study,":[21],"we":[22],"applied":[23],"empirical":[24],"and":[25,56,104],"forest":[26,85,149],"reflectance":[27,86],"model":[28,87],"based":[29,71,88],"estimation":[31],"methods":[32],"generate":[34],"fine-resolution":[35],"for":[38,52,99,152],"boreal":[39],"forests":[40,106],"Finland.":[42],"The":[43,64,90,113],"countrywide":[44],"satellite":[45,62],"image":[46],"mosaics":[47],"at":[48],"25":[49],"m":[50],"years":[54],"2000":[55],"2006":[57],"were":[58,97],"used":[59],"as":[60],"input":[61],"data.":[63],"Reduced":[65],"Simple":[66],"Ratio":[67],"(RSR)":[68],"vegetation":[69],"index":[70],"approach":[72],"performed":[73],"in":[75,102],"estimating":[76],"effective":[77],"(L":[79],"<sub":[80,93,115],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[81,94,116],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">e</sub>":[82,95,117],")":[83],"than":[84,143],"approach.":[89],"final":[91],"L":[92,114],"estimates":[96,118,140,151],"corrected":[98],"shoot-level":[100],"clumping":[101],"coniferous":[103],"mixed":[105],"according":[107],"land":[110],"cover":[111],"maps.":[112],"show":[119],"good":[120],"agreement":[121],"with":[122],"field":[124],"measurements":[125],"over":[126],"modeling":[128],"sites":[129],"although":[130],"largest":[132],"values":[133],"slightly":[135],"underestimated.":[136],"MODIS":[137],"V005":[139],"upscaled":[145],"1":[146],"km":[147],"2006.":[153]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2016,"cited_by_count":5}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}