{"id":"https://openalex.org/W2030580804","doi":"https://doi.org/10.1109/igarss.2012.6351455","title":"Use of data assimilation technique for improveing the retrieval of leaf area index in time-series in alpine wetlands","display_name":"Use of data assimilation technique for improveing the retrieval of leaf area index in time-series in alpine wetlands","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2030580804","doi":"https://doi.org/10.1109/igarss.2012.6351455","mag":"2030580804"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2012.6351455","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351455","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"article","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/A5065238728","display_name":"Xingwen Quan","orcid":"https://orcid.org/0000-0001-5344-1801"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xingwen Quan","raw_affiliation_strings":["School of Resources and Environment, University of Electronic Science and Technology, Chengdu, Sichuan, China","School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China"],"affiliations":[{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100671875","display_name":"Binbin He","orcid":"https://orcid.org/0000-0002-0668-6520"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Binbin He","raw_affiliation_strings":["School of Resources and Environment, University of Electronic Science and Technology, Chengdu, Sichuan, China","School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China"],"affiliations":[{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083693426","display_name":"Minfeng Xing","orcid":"https://orcid.org/0000-0002-5369-4638"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minfeng Xing","raw_affiliation_strings":["School of Resources and Environment, University of Electronic Science and Technology, Chengdu, Sichuan, China","School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China"],"affiliations":[{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology, Chengdu, Sichuan, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"School of Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5065238728"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09324529,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"754","last_page":"756"},"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/T10266","display_name":"Plant Water Relations and Carbon Dynamics","score":0.9972000122070312,"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"}},{"id":"https://openalex.org/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9961000084877014,"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/leaf-area-index","display_name":"Leaf area index","score":0.8998324871063232},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6857577562332153},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5248313546180725},{"id":"https://openalex.org/keywords/data-assimilation","display_name":"Data assimilation","score":0.47033390402793884},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.4527112543582916},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.42565441131591797},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.24943313002586365},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1593237817287445}],"concepts":[{"id":"https://openalex.org/C25989453","wikidata":"https://www.wikidata.org/wiki/Q446746","display_name":"Leaf area index","level":2,"score":0.8998324871063232},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6857577562332153},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5248313546180725},{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.47033390402793884},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.4527112543582916},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.42565441131591797},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.24943313002586365},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1593237817287445},{"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/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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2012.6351455","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2012.6351455","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7599999904632568,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1978596790","https://openalex.org/W1992226275","https://openalex.org/W2009104157","https://openalex.org/W2019965926","https://openalex.org/W2038111987","https://openalex.org/W2057021477","https://openalex.org/W2067958002","https://openalex.org/W2153901968","https://openalex.org/W2166312616","https://openalex.org/W6659920056"],"related_works":["https://openalex.org/W2377212262","https://openalex.org/W4327748155","https://openalex.org/W2955967599","https://openalex.org/W2549050738","https://openalex.org/W4387208895","https://openalex.org/W1594879216","https://openalex.org/W32300172","https://openalex.org/W2388815296","https://openalex.org/W2115049406","https://openalex.org/W1972288805"],"abstract_inverted_index":{"Leaf":[0],"area":[1],"index":[2],"(LAI)":[3],"is":[4],"one":[5],"of":[6],"the":[7,30,69,84,88,97,101,106],"key":[8],"vegetation":[9],"indices":[10],"for":[11],"many":[12],"biological":[13],"and":[14,74,87],"physical":[15],"processes":[16],"in":[17,33,36,41,57],"plant":[18],"canopies.":[19],"In":[20],"this":[21],"study,":[22],"an":[23,37],"assimilation":[24],"technique":[25],"was":[26,65,81,93],"used":[27],"to":[28,95,104],"simulate":[29],"LAI's":[31],"varying":[32],"time":[34],"series":[35],"alpine":[38],"wetland":[39],"located":[40],"western":[42],"China.":[43],"The":[44],"Terra":[45],"MODIS":[46],"16":[47],"day":[48],"composite":[49],"surface":[50],"reflectance":[51,72],"products":[52],"at":[53],"250":[54],"m":[55],"resolution":[56],"2010":[58],"with":[59],"high":[60],"quality":[61],"were":[62],"used.":[63],"LAI":[64,99],"retrieved":[66,85],"based":[67],"on":[68],"ACRM":[70],"canopy":[71],"model":[73,80,103,107],"LUT":[75],"algorithm.":[76],"An":[77],"experiential":[78],"LOGISTIC":[79,102],"fitted":[82],"using":[83],"LAI,":[86],"ensemble":[89],"Kalman":[90],"filter":[91],"algorithm":[92],"introduced":[94],"assimilate":[96],"estimated":[98],"into":[100],"update":[105],"state.":[108]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}