{"id":"https://openalex.org/W1992053024","doi":"https://doi.org/10.1109/tgrs.2012.2185803","title":"LIDAR-Aided SAR Interferometry Studies in Boreal Forest: Scattering Phase Center and Extinction Coefficient at X- and L-Band","display_name":"LIDAR-Aided SAR Interferometry Studies in Boreal Forest: Scattering Phase Center and Extinction Coefficient at X- and L-Band","publication_year":2012,"publication_date":"2012-02-27","ids":{"openalex":"https://openalex.org/W1992053024","doi":"https://doi.org/10.1109/tgrs.2012.2185803","mag":"1992053024"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2012.2185803","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2012.2185803","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-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/A5069103777","display_name":"Jaan Praks","orcid":"https://orcid.org/0000-0001-7466-3569"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jaan Praks","raw_affiliation_strings":["Department of Radio Science and Engineering, School of Electrical Engineering, Aalto University, Espoo, Finland","[Department of Radio Science and Engineering Aalto University Espoo, Finland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radio Science and Engineering, School of Electrical Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"[Department of Radio Science and Engineering Aalto University Espoo, Finland]","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037773899","display_name":"Oleg Antropov","orcid":"https://orcid.org/0000-0001-8576-404X"},"institutions":[{"id":"https://openalex.org/I87653560","display_name":"VTT Technical Research Centre of Finland","ror":"https://ror.org/04b181w54","country_code":"FI","type":"nonprofit","lineage":["https://openalex.org/I4210089493","https://openalex.org/I87653560"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Oleg Antropov","raw_affiliation_strings":["VTT Technical Research Center of Finland, Finland","VTT Tech. Res. Centre of Finland, Espoo, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"VTT Technical Research Center of Finland, Finland","institution_ids":["https://openalex.org/I87653560"]},{"raw_affiliation_string":"VTT Tech. Res. Centre of Finland, Espoo, Finland","institution_ids":["https://openalex.org/I87653560"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110907633","display_name":"M. Hallikainen","orcid":null},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Martti T. Hallikainen","raw_affiliation_strings":["Department of Radio Science and Engineering, School of Electrical Engineering, Aalto University, Espoo, Finland","[Department of Radio Science and Engineering Aalto University Espoo, Finland]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Radio Science and Engineering, School of Electrical Engineering, Aalto University, Espoo, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"[Department of Radio Science and Engineering Aalto University Espoo, Finland]","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":202.5508,"has_fulltext":false,"cited_by_count":90,"citation_normalized_percentile":{"value":0.99943786,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"50","issue":"10","first_page":"3831","last_page":"3843"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10535","display_name":"Landslides and related hazards","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/T10644","display_name":"Cryospheric studies and observations","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7883267402648926},{"id":"https://openalex.org/keywords/phase-center","display_name":"Phase center","score":0.7868261933326721},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.7454810738563538},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.6204437613487244},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.5849622488021851},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5736706852912903},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5469319224357605},{"id":"https://openalex.org/keywords/taiga","display_name":"Taiga","score":0.5267481207847595},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5173037052154541},{"id":"https://openalex.org/keywords/tree-canopy","display_name":"Tree canopy","score":0.5158666968345642},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.5019662380218506},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.48912984132766724},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3775287866592407},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.20745155215263367},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1954902708530426},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.16084879636764526},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.08369570970535278}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7883267402648926},{"id":"https://openalex.org/C7615733","wikidata":"https://www.wikidata.org/wiki/Q2085398","display_name":"Phase center","level":3,"score":0.7868261933326721},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.7454810738563538},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.6204437613487244},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.5849622488021851},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5736706852912903},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5469319224357605},{"id":"https://openalex.org/C87621631","wikidata":"https://www.wikidata.org/wiki/Q69564","display_name":"Taiga","level":2,"score":0.5267481207847595},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5173037052154541},{"id":"https://openalex.org/C39807119","wikidata":"https://www.wikidata.org/wiki/Q1134228","display_name":"Tree canopy","level":3,"score":0.5158666968345642},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.5019662380218506},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.48912984132766724},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3775287866592407},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.20745155215263367},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1954902708530426},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.16084879636764526},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.08369570970535278},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2012.2185803","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2012.2185803","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life in Land","score":0.75,"id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321394","display_name":"Aalto-Yliopisto","ror":"https://ror.org/020hwjq30"},{"id":"https://openalex.org/F4320321602","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt","ror":"https://ror.org/04bwf3e34"},{"id":"https://openalex.org/F4320324717","display_name":"Tartu \u00dclikool","ror":"https://ror.org/03z77qz90"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W329296823","https://openalex.org/W1506180888","https://openalex.org/W1626119784","https://openalex.org/W1948371848","https://openalex.org/W1967020891","https://openalex.org/W1968204053","https://openalex.org/W1992541517","https://openalex.org/W2008471360","https://openalex.org/W2030359906","https://openalex.org/W2044769733","https://openalex.org/W2044987471","https://openalex.org/W2064670221","https://openalex.org/W2090139937","https://openalex.org/W2099249775","https://openalex.org/W2100969332","https://openalex.org/W2106076378","https://openalex.org/W2109986819","https://openalex.org/W2112582511","https://openalex.org/W2115924472","https://openalex.org/W2116965519","https://openalex.org/W2122046519","https://openalex.org/W2122824886","https://openalex.org/W2124469661","https://openalex.org/W2125041122","https://openalex.org/W2129650125","https://openalex.org/W2133735645","https://openalex.org/W2136314381","https://openalex.org/W2136705449","https://openalex.org/W2142677925","https://openalex.org/W2149304263","https://openalex.org/W2149406408","https://openalex.org/W2162963099","https://openalex.org/W2166957269","https://openalex.org/W2188869924","https://openalex.org/W2400327306","https://openalex.org/W2616334362","https://openalex.org/W4235881011","https://openalex.org/W4256689006","https://openalex.org/W6679406960","https://openalex.org/W6686588807","https://openalex.org/W6712535095","https://openalex.org/W6737889856"],"related_works":["https://openalex.org/W2375969670","https://openalex.org/W2382147371","https://openalex.org/W2044902118","https://openalex.org/W2544666549","https://openalex.org/W2357112104","https://openalex.org/W2093343221","https://openalex.org/W3145343289","https://openalex.org/W2027075322","https://openalex.org/W3129277342","https://openalex.org/W2146611305"],"abstract_inverted_index":{"Scattering":[0],"phase":[1,177,193],"center":[2,178,194],"(SPC)":[3],"location":[4,101],"in":[5,10,38,47,105,244,264],"boreal":[6,106,245,266],"forests":[7],"was":[8,45,58,94,137,196],"studied":[9],"order":[11],"to":[12,96,139,182,198],"assist":[13],"forest":[14,67,246,260],"inventory":[15],"with":[16],"single-":[17],"and":[18,27,69,81,88,206,224,262],"quad-pol":[19],"synthetic":[20],"aperture":[21],"radar":[22],"(SAR)":[23],"interferometry.":[24],"Airborne":[25],"X-":[26],"L-band":[28],"interferometric":[29],"SAR":[30,174],"data":[31],"collected":[32],"by":[33,129],"the":[34,42,48,61,72,78,99,103,114,117,124,130,134,170,192,203,211,236,240,265,274],"DLR":[35],"E-SAR":[36],"instrument":[37],"southern":[39],"Finland":[40],"during":[41],"FINSAR":[43],"campaign":[44],"used":[46,85],"study.":[49],"A":[50],"simple":[51],"Random":[52],"Volume":[53],"over":[54],"Ground":[55],"(RVoG)":[56],"model":[57,93,272],"employed":[59],"as":[60,86,127],"theoretical":[62],"framework":[63],"for":[64,176,221,255],"inversion":[65,150,219],"of":[66,71,77,116,123,145,202,235,258,273],"parameters":[68],"interpretation":[70],"obtained":[73],"results.":[74],"LIDAR":[75,186],"measurements":[76],"canopy":[79,104,125,204,241],"height":[80,115,149,195,205,223,261],"terrain":[82,165,188,275],"elevation":[83,271],"were":[84,228],"reference":[87],"auxiliary":[89],"data.":[90],"The":[91,143],"RVoG":[92,131,237],"found":[95,138],"satisfactorily":[97],"explain":[98],"SPC":[100,118],"inside":[102],"forests.":[107],"We":[108],"show":[109],"that":[110,210],"when":[111,268],"using":[112,151,162],"X-band,":[113],"is":[119,160,180,214,276],"typically":[120],"about":[121],"75%":[122],"height,":[126],"predicted":[128],"model;":[132],"however,":[133],"retrieved":[135],"extinction":[136,225,263],"be":[140,199],"rather":[141],"low.":[142],"feasibility":[144],"highly":[146],"accurate":[147,270],"tree":[148,222],"single-polarization":[152],"X-band":[153],"interferometry":[154,173],"(with":[155],"RMSE":[156],"approaching":[157],"1.5":[158],"m)":[159],"demonstrated":[161],"a":[163,184,252],"digital":[164],"model.":[166,189],"For":[167],"this":[168],"purpose,":[169],"traditional":[171],"polarimetric":[172],"technique":[175],"retrieval":[179,227],"modified":[181],"include":[183],"complementary":[185],"measured":[187],"At":[190],"L-band,":[191],"determined":[197],"around":[200],"50%":[201],"even":[207],"lower,":[208],"indicating":[209],"ground":[212],"contribution":[213],"significant.":[215],"Moreover,":[216],"several":[217,232],"simplified":[218],"approaches":[220],"coefficient":[226],"considered":[229],"based":[230],"on":[231],"boundary":[233],"cases":[234],"model,":[238],"describing":[239],"frequently":[242],"encountered":[243],"environments.":[247],"These":[248],"analyses":[249],"allowed":[250],"developing":[251],"combined":[253],"approach":[254],"simultaneous":[256],"estimation":[257],"both":[259],"zone":[267],"an":[269],"available.":[277]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":13},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
