{"id":"https://openalex.org/W2102164070","doi":"https://doi.org/10.1109/igarss.2003.1294302","title":"Allometric equations for tropical forest estimation and its relationship with P-band SAR data","display_name":"Allometric equations for tropical forest estimation and its relationship with P-band SAR data","publication_year":2004,"publication_date":"2004-07-08","ids":{"openalex":"https://openalex.org/W2102164070","doi":"https://doi.org/10.1109/igarss.2003.1294302","mag":"2102164070"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2003.1294302","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2003.1294302","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)","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/A5067046011","display_name":"Jo\u00e1o Roberto dos Santos","orcid":"https://orcid.org/0000-0002-1139-9577"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"J.R. Santos","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021381605","display_name":"L. S. de Araujo","orcid":"https://orcid.org/0000-0002-9980-4927"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"L.S. Araujo","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":null,"display_name":"C.C. Freitas","orcid":null},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"C.C. Freitas","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085857516","display_name":"Luciano Vieira Dutra","orcid":"https://orcid.org/0000-0002-7757-039X"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"L.V. Dutra","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021737055","display_name":"Sidnei J. S. Sant\u2019Anna","orcid":null},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"S.J.S. Sant'Anna","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032910899","display_name":"Tatiana Mora Kuplich","orcid":"https://orcid.org/0000-0003-0657-4024"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"T.M. Kuplich","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086677475","display_name":"F\u00e1bio Furlan Gama","orcid":"https://orcid.org/0000-0002-4585-5067"},"institutions":[{"id":"https://openalex.org/I80849659","display_name":"Instituto Nacional de Pesquisas Espaciais","ror":"https://ror.org/04xbn6x09","country_code":"BR","type":"facility","lineage":["https://openalex.org/I4210151455","https://openalex.org/I80849659"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"F.F. Gama","raw_affiliation_strings":["National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute for Space Research \u2013 INPE, Sao Paulo, SP, Brazil","institution_ids":["https://openalex.org/I80849659"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.11680723,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"1948","last_page":"1950"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9799000024795532,"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":0.9799000024795532,"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":0.9695000052452087,"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/T10555","display_name":"Fire effects on ecosystems","score":0.9624000191688538,"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":0.6932744383811951},{"id":"https://openalex.org/keywords/tree-allometry","display_name":"Tree allometry","score":0.6196823120117188},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5831176042556763},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.5241475701332092},{"id":"https://openalex.org/keywords/thematic-map","display_name":"Thematic map","score":0.4592463970184326},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.44934189319610596},{"id":"https://openalex.org/keywords/l-band","display_name":"L band","score":0.4469161629676819},{"id":"https://openalex.org/keywords/biomass","display_name":"Biomass (ecology)","score":0.3425629734992981},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3249380886554718},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2669917643070221},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2496272623538971},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17932066321372986},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.15619197487831116}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6932744383811951},{"id":"https://openalex.org/C34153902","wikidata":"https://www.wikidata.org/wiki/Q2838628","display_name":"Tree allometry","level":4,"score":0.6196823120117188},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5831176042556763},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.5241475701332092},{"id":"https://openalex.org/C93692415","wikidata":"https://www.wikidata.org/wiki/Q1502030","display_name":"Thematic map","level":2,"score":0.4592463970184326},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.44934189319610596},{"id":"https://openalex.org/C133969743","wikidata":"https://www.wikidata.org/wiki/Q2362353","display_name":"L band","level":2,"score":0.4469161629676819},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.3425629734992981},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3249380886554718},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2669917643070221},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2496272623538971},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17932066321372986},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15619197487831116},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C42060753","wikidata":"https://www.wikidata.org/wiki/Q16842156","display_name":"Biomass partitioning","level":3,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss.2003.1294302","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2003.1294302","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)","raw_type":"proceedings-article"},{"id":"pmh:oai:urlib.net:sid.inpe.br/marciana/2003/08.26.16.05.12-0","is_oa":false,"landing_page_url":"http://urlib.net/sid.inpe.br/marciana/2003/08.26.16.05","pdf_url":null,"source":{"id":"https://openalex.org/S4377196298","display_name":"Biblioteca Digital da Mem\u00f3ria Cient\u00edfica do INPE (National Institute for Space Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I80849659","host_organization_name":"Instituto Nacional de Pesquisas Espaciais","host_organization_lineage":["https://openalex.org/I80849659"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7599999904632568,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W60310328","https://openalex.org/W1557046348","https://openalex.org/W1995095340","https://openalex.org/W2170447717","https://openalex.org/W2295307655","https://openalex.org/W2316096437","https://openalex.org/W6633334989","https://openalex.org/W6697074849"],"related_works":["https://openalex.org/W2469797871","https://openalex.org/W2100277028","https://openalex.org/W2160659837","https://openalex.org/W52647015","https://openalex.org/W2986946135","https://openalex.org/W3013942893","https://openalex.org/W1992270258","https://openalex.org/W1993625770","https://openalex.org/W1995803540","https://openalex.org/W2167226100"],"abstract_inverted_index":{"The":[0,120],"objective":[1],"of":[2,10,18,20,29,74,84,116,128,137,151],"this":[3],"research":[4],"is":[5],"to":[6,14],"show":[7],"the":[8,16,27,30,45,62,71,80,92,99,113,126,133,138,155,158],"capacity":[9,51],"P-band":[11,117,129],"polarimetric":[12],"images":[13],"define":[15],"space":[17],"attributes":[19],"primary":[21,104],"forest":[22,107],"and":[23,34,105],"secondary":[24,106],"succession,":[25],"through":[26,61],"analysis":[28],"relation":[31],"among":[32],"backscatter":[33,63],"biomass":[35,54,90,108],"data":[36,130],"(estimated":[37],"by":[38,91],"four":[39],"specific":[40],"allometric":[41,101],"equations).":[42],"Based":[43],"on":[44],"best":[46,93,100],"fitted":[47],"regression":[48],"equation":[49],"(heat":[50],"model)":[52],"a":[53,97,142,149],"map":[55],"was":[56,59,110,123,146],"elaborated.":[57],"This":[58],"done":[60],"image,":[64,78],"whose":[65,144],"each":[66,85],"segment":[67,87],"were":[68],"derived":[69],"from":[70],"thematic":[72],"classification":[73],"Bivariate":[75],"Intensities":[76],"HH-HV":[77],"with":[79,125],"\u00c2\u00b0":[81],"mean":[82],"values":[83],"resulting":[86],"converted":[88],"into":[89],"fit":[94],"function.":[95],"As":[96],"conclusion,":[98],"equations":[102],"for":[103],"estimation":[109],"defined,":[111],"considering":[112],"different":[114],"polarizations":[115],"SAR":[118],"data.":[119],"advance":[121],"that":[122],"reached":[124],"treatment":[127],"could":[131],"improve":[132],"regional":[134],"monitoring":[135],"process":[136,143],"land":[139],"cover":[140],"change,":[141],"speed":[145],"accelerated":[147],"as":[148],"result":[150],"human":[152],"action":[153],"in":[154],"Amazon":[156],"during":[157],"last":[159],"two":[160],"decades.":[161]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}