{"id":"https://openalex.org/W2156202556","doi":"https://doi.org/10.1109/igarss.2009.5417957","title":"Polarimetric analysis over African savanna woodland using ALOS/PALSAR","display_name":"Polarimetric analysis over African savanna woodland using ALOS/PALSAR","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2156202556","doi":"https://doi.org/10.1109/igarss.2009.5417957","mag":"2156202556"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2009.5417957","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417957","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 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/A5000743638","display_name":"Charles Paradzayi","orcid":null},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Charles Paradzayi","raw_affiliation_strings":["Department of Geography, Environmental Management and Energy Studies, University of Johannesburg, South Africa"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Environmental Management and Energy Studies, University of Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009058207","display_name":"H.J. Annegarn","orcid":"https://orcid.org/0000-0001-6653-4679"},"institutions":[{"id":"https://openalex.org/I24027795","display_name":"University of Johannesburg","ror":"https://ror.org/04z6c2n17","country_code":"ZA","type":"education","lineage":["https://openalex.org/I24027795"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Harold Annegarn","raw_affiliation_strings":["Department of Geography, Environmental Management and Energy Studies, University of Johannesburg, South Africa"],"affiliations":[{"raw_affiliation_string":"Department of Geography, Environmental Management and Energy Studies, University of Johannesburg, South Africa","institution_ids":["https://openalex.org/I24027795"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015550286","display_name":"Barend Erasmus","orcid":"https://orcid.org/0000-0003-1869-8091"},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Barend Erasmus","raw_affiliation_strings":["School of Animal, Plant and Environmental Science, University of the Witwatersrand, South Africa"],"affiliations":[{"raw_affiliation_string":"School of Animal, Plant and Environmental Science, University of the Witwatersrand, South Africa","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011051705","display_name":"Christiane Schmullius","orcid":"https://orcid.org/0000-0001-6182-1249"},"institutions":[{"id":"https://openalex.org/I76198965","display_name":"Friedrich Schiller University Jena","ror":"https://ror.org/05qpz1x62","country_code":"DE","type":"education","lineage":["https://openalex.org/I76198965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Christiane Schmullius","raw_affiliation_strings":["Department of Earth Observation, Friedrich-Schiller-Universitat Jena, Germany"],"affiliations":[{"raw_affiliation_string":"Department of Earth Observation, Friedrich-Schiller-Universitat Jena, Germany","institution_ids":["https://openalex.org/I76198965"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5000743638"],"corresponding_institution_ids":["https://openalex.org/I24027795"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.16980673,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"2","issue":null,"first_page":"III","last_page":"1043"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9961000084877014,"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"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9961000084877014,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9954000115394592,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9873999953269958,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.49238836765289307},{"id":"https://openalex.org/keywords/geocoding","display_name":"Geocoding","score":0.47381606698036194},{"id":"https://openalex.org/keywords/geolocation","display_name":"Geolocation","score":0.44462504982948303},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.44391492009162903},{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.42872896790504456},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.42817598581314087},{"id":"https://openalex.org/keywords/biomass","display_name":"Biomass (ecology)","score":0.4216974377632141},{"id":"https://openalex.org/keywords/woodland","display_name":"Woodland","score":0.41977548599243164},{"id":"https://openalex.org/keywords/forestry","display_name":"Forestry","score":0.33984988927841187},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.33264651894569397},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.28387191891670227},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.2745974659919739},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17940020561218262},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1387890875339508},{"id":"https://openalex.org/keywords/ecology","display_name":"Ecology","score":0.10459426045417786},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.10374107956886292}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.49238836765289307},{"id":"https://openalex.org/C42629822","wikidata":"https://www.wikidata.org/wiki/Q1346408","display_name":"Geocoding","level":2,"score":0.47381606698036194},{"id":"https://openalex.org/C22041718","wikidata":"https://www.wikidata.org/wiki/Q638949","display_name":"Geolocation","level":2,"score":0.44462504982948303},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.44391492009162903},{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.42872896790504456},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.42817598581314087},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.4216974377632141},{"id":"https://openalex.org/C203174812","wikidata":"https://www.wikidata.org/wiki/Q3241565","display_name":"Woodland","level":2,"score":0.41977548599243164},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.33984988927841187},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.33264651894569397},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.28387191891670227},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.2745974659919739},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17940020561218262},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1387890875339508},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.10459426045417786},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.10374107956886292},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2009.5417957","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5417957","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5600000023841858,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306536","display_name":"V Foundation for Cancer Research","ror":"https://ror.org/00kbbk236"},{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W11092871","https://openalex.org/W102804287","https://openalex.org/W2006624996","https://openalex.org/W2023563545","https://openalex.org/W2050252739","https://openalex.org/W2064399693","https://openalex.org/W2080700118","https://openalex.org/W2090664287","https://openalex.org/W2110288592","https://openalex.org/W2170645326","https://openalex.org/W2696303832","https://openalex.org/W6600465824","https://openalex.org/W6604172891","https://openalex.org/W6740008138","https://openalex.org/W6981935032","https://openalex.org/W7066729498"],"related_works":["https://openalex.org/W2163194970","https://openalex.org/W10590203","https://openalex.org/W3125352268","https://openalex.org/W3105229732","https://openalex.org/W2799094075","https://openalex.org/W2019957373","https://openalex.org/W4366460429","https://openalex.org/W797920393","https://openalex.org/W4220951331","https://openalex.org/W4313533154"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"polarimetric":[3],"analysis":[4],"over":[5],"African":[6],"Savanna":[7],"woodland":[8],"using":[9,54],"ALOS/PALSAR":[10,61],"to":[11,92,116],"investigate":[12,93],"the":[13,58,76,89,94],"trend":[14,118],"between":[15,96],"backscatter":[16],"and":[17,30,39,64,83,99,110,121],"biomass":[18,50],"levels.":[19],"An":[20],"extensive":[21],"field":[22],"inventory":[23],"was":[24],"carried":[25,114],"out":[26,115],"combining":[27],"Differential":[28],"GPS":[29],"conventional":[31],"topographic":[32],"mapping":[33],"techniques.":[34],"Geographic":[35],"position,":[36],"basal":[37],"diameter":[38],"height":[40],"of":[41,106],"trees":[42],"in":[43],"sampled":[44,90],"plots":[45,91],"were":[46,52],"measured.":[47],"Plot":[48],"level":[49,62],"quantities":[51],"obtained":[53],"established":[55],"allometry":[56],"for":[57,69,75,88],"region.":[59],"Geocoded":[60],"1.1":[63],"1.5":[65],"data":[66,74],"is":[67,113],"checked":[68],"accuracy":[70],"against":[71,119],"existing":[72],"geospatial":[73],"case":[77],"study":[78],"area.":[79],"Sigma":[80],"nought,":[81,108],"Freeman":[82,109],"Pauli":[84,111],"component":[85],"are":[86],"extracted":[87],"relationship":[95],"biomass,":[97],"volume":[98,120],"double":[100,122],"bounce":[101,123],"scattering.":[102,124],"Finally":[103],"a":[104],"comparison":[105],"sigma":[107],"components":[112],"analyze":[117]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
