{"id":"https://openalex.org/W2108679778","doi":"https://doi.org/10.1109/igarss.2011.6049872","title":"Soil moisture retrieval using L-band radiometer and ground-penetrating radar","display_name":"Soil moisture retrieval using L-band radiometer and ground-penetrating radar","publication_year":2011,"publication_date":"2011-07-01","ids":{"openalex":"https://openalex.org/W2108679778","doi":"https://doi.org/10.1109/igarss.2011.6049872","mag":"2108679778"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2011.6049872","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049872","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":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://orbi.uliege.be/handle/2268/263697","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061306473","display_name":"Fran\u00e7ois Jonard","orcid":"https://orcid.org/0000-0002-8562-2073"},"institutions":[{"id":"https://openalex.org/I171892758","display_name":"Forschungszentrum J\u00fclich","ror":"https://ror.org/02nv7yv05","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I171892758"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Francois Jonard","raw_affiliation_strings":["Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","institution_ids":["https://openalex.org/I171892758"]},{"raw_affiliation_string":"Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany","institution_ids":["https://openalex.org/I171892758"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080685693","display_name":"Lutz Weiherm\u00fcller","orcid":"https://orcid.org/0000-0003-1991-7735"},"institutions":[{"id":"https://openalex.org/I171892758","display_name":"Forschungszentrum J\u00fclich","ror":"https://ror.org/02nv7yv05","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I171892758"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Lutz Weihermuller","raw_affiliation_strings":["Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","institution_ids":["https://openalex.org/I171892758"]},{"raw_affiliation_string":"Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany","institution_ids":["https://openalex.org/I171892758"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015202030","display_name":"Mike Schwank","orcid":"https://orcid.org/0000-0003-1569-1564"},"institutions":[{"id":"https://openalex.org/I171892758","display_name":"Forschungszentrum J\u00fclich","ror":"https://ror.org/02nv7yv05","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I171892758"]},{"id":"https://openalex.org/I4210152878","display_name":"Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences","ror":"https://ror.org/04z8jg394","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I4210152878"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Mike Schwank","raw_affiliation_strings":["Geoecology and Geomorphology, German Research Centre For Geosciences, Potsdam, Germany","Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany"],"affiliations":[{"raw_affiliation_string":"Geoecology and Geomorphology, German Research Centre For Geosciences, Potsdam, Germany","institution_ids":["https://openalex.org/I4210152878"]},{"raw_affiliation_string":"Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany","institution_ids":["https://openalex.org/I171892758"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028331853","display_name":"Harry Vereecken","orcid":"https://orcid.org/0000-0002-8051-8517"},"institutions":[{"id":"https://openalex.org/I171892758","display_name":"Forschungszentrum J\u00fclich","ror":"https://ror.org/02nv7yv05","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I171892758"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Harry Vereecken","raw_affiliation_strings":["Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","institution_ids":["https://openalex.org/I171892758"]},{"raw_affiliation_string":"Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany","institution_ids":["https://openalex.org/I171892758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015455700","display_name":"S\u00e9bastien Lambot","orcid":"https://orcid.org/0000-0002-0358-481X"},"institutions":[{"id":"https://openalex.org/I171892758","display_name":"Forschungszentrum J\u00fclich","ror":"https://ror.org/02nv7yv05","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I171892758"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sebastien Lambot","raw_affiliation_strings":["Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany"],"affiliations":[{"raw_affiliation_string":"Institute of Bio-and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, Julich, Germany","institution_ids":["https://openalex.org/I171892758"]},{"raw_affiliation_string":"Institute of Bio- and Geosciences, Agrosphere (IBG-3), Forschungszentrum J\u00fclich GmbH, 52425, Germany","institution_ids":["https://openalex.org/I171892758"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5061306473"],"corresponding_institution_ids":["https://openalex.org/I171892758"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.1439912,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"iii","issue":null,"first_page":"3093","last_page":"3096"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9998999834060669,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9998999834060669,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9801999926567078,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.6764494180679321},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.671807050704956},{"id":"https://openalex.org/keywords/ground-penetrating-radar","display_name":"Ground-penetrating radar","score":0.5514656901359558},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.5330691933631897},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"Surface roughness","score":0.4825800955295563},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.45439791679382324},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.4519873857498169},{"id":"https://openalex.org/keywords/reflectometry","display_name":"Reflectometry","score":0.4427551031112671},{"id":"https://openalex.org/keywords/brightness-temperature","display_name":"Brightness temperature","score":0.4304419159889221},{"id":"https://openalex.org/keywords/radiometry","display_name":"Radiometry","score":0.411999374628067},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.35317087173461914},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2611185312271118},{"id":"https://openalex.org/keywords/brightness","display_name":"Brightness","score":0.24926677346229553},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.23371046781539917},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.20714110136032104},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14002791047096252},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.11770212650299072},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.07542094588279724},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.06732010841369629}],"concepts":[{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.6764494180679321},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.671807050704956},{"id":"https://openalex.org/C71813955","wikidata":"https://www.wikidata.org/wiki/Q503560","display_name":"Ground-penetrating radar","level":3,"score":0.5514656901359558},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.5330691933631897},{"id":"https://openalex.org/C107365816","wikidata":"https://www.wikidata.org/wiki/Q114817","display_name":"Surface roughness","level":2,"score":0.4825800955295563},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.45439791679382324},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4519873857498169},{"id":"https://openalex.org/C2778925768","wikidata":"https://www.wikidata.org/wiki/Q3454718","display_name":"Reflectometry","level":3,"score":0.4427551031112671},{"id":"https://openalex.org/C53802167","wikidata":"https://www.wikidata.org/wiki/Q4538627","display_name":"Brightness temperature","level":3,"score":0.4304419159889221},{"id":"https://openalex.org/C87456703","wikidata":"https://www.wikidata.org/wiki/Q247760","display_name":"Radiometry","level":2,"score":0.411999374628067},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.35317087173461914},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2611185312271118},{"id":"https://openalex.org/C125245961","wikidata":"https://www.wikidata.org/wiki/Q221656","display_name":"Brightness","level":2,"score":0.24926677346229553},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23371046781539917},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.20714110136032104},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14002791047096252},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.11770212650299072},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07542094588279724},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.06732010841369629},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1109/igarss.2011.6049872","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2011.6049872","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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.1015.8604","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1015.8604","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://www.researchgate.net/profile/Francois_Jonard2/publication/220822027_Soil_moisture_retrieval_using_L-band_radiometer_and_ground-penetrating_radar/links/0fcfd50c5dfa92e8cc000000.pdf?origin%3Dpublication_detail","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.1031.3778","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1031.3778","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"https://www.researchgate.net/profile/Francois_Jonard2/publication/220822027_Soil_moisture_retrieval_using_L-band_radiometer_and_ground-penetrating_radar/links/0fcfd50c5dfa92e8cc000000.pdf","raw_type":"text"},{"id":"pmh:oai:dial.uclouvain.be:boreal:168836","is_oa":false,"landing_page_url":"http://hdl.handle.net/2078.1/168836","pdf_url":null,"source":{"id":"https://openalex.org/S4306401902","display_name":"Digital Access to Libraries (Universit\u00e9 catholique de Louvain (UCL), l'Universit\u00e9 de Namur (UNamur) and the Universit\u00e9 Saint-Louis (USL-B))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I95674353","host_organization_name":"UCLouvain","host_organization_lineage":["https://openalex.org/I95674353"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:juser.fz-juelich.de:16249","is_oa":false,"landing_page_url":"http://juser.fz-juelich.de/record/16249","pdf_url":null,"source":{"id":"https://openalex.org/S4306401090","display_name":"JuSER (Forschungszentrum J\u00fclich)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I171892758","host_organization_name":"Forschungszentrum J\u00fclich","host_organization_lineage":["https://openalex.org/I171892758"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2011 IEEE Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:orbi.ulg.ac.be:2268/263697","is_oa":true,"landing_page_url":"https://orbi.uliege.be/handle/2268/263697","pdf_url":null,"source":{"id":"https://openalex.org/S4306400651","display_name":"Open Repository and Bibliography (University of Li\u00e8ge)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157674565","host_organization_name":"University of Li\u00e8ge","host_organization_lineage":["https://openalex.org/I157674565"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium, Proceedings (2011); International Geoscience and Remote Sensing Symposium (IGARSS), Vancouver, Canada [CA], from 24-07-2011 to 29-07-2011","raw_type":"peer reviewed"}],"best_oa_location":{"id":"pmh:oai:orbi.ulg.ac.be:2268/263697","is_oa":true,"landing_page_url":"https://orbi.uliege.be/handle/2268/263697","pdf_url":null,"source":{"id":"https://openalex.org/S4306400651","display_name":"Open Repository and Bibliography (University of Li\u00e8ge)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I157674565","host_organization_name":"University of Li\u00e8ge","host_organization_lineage":["https://openalex.org/I157674565"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium, Proceedings (2011); International Geoscience and Remote Sensing Symposium (IGARSS), Vancouver, Canada [CA], from 24-07-2011 to 29-07-2011","raw_type":"peer reviewed"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.5}],"awards":[{"id":"https://openalex.org/G352791218","display_name":null,"funder_award_id":"(BMBF)","funder_id":"https://openalex.org/F4320321114","funder_display_name":"Bundesministerium f\u00fcr Bildung und Forschung"},{"id":"https://openalex.org/G4799527623","display_name":null,"funder_award_id":"Transregio","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"},{"id":"https://openalex.org/G6052429835","display_name":null,"funder_award_id":"(DFG)","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"},{"id":"https://openalex.org/G6850120280","display_name":null,"funder_award_id":"TERENO","funder_id":"https://openalex.org/F4320321114","funder_display_name":"Bundesministerium f\u00fcr Bildung und Forschung"}],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320321114","display_name":"Bundesministerium f\u00fcr Bildung und Forschung","ror":"https://ror.org/04pz7b180"},{"id":"https://openalex.org/F4320321390","display_name":"Fonds De La Recherche Scientifique - FNRS","ror":"https://ror.org/03q83t159"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1518660940","https://openalex.org/W1966866972","https://openalex.org/W1998011195","https://openalex.org/W1998742682","https://openalex.org/W2008006583","https://openalex.org/W2026070190","https://openalex.org/W2034956981","https://openalex.org/W2067426984","https://openalex.org/W2076759483","https://openalex.org/W2078143000","https://openalex.org/W2102254804","https://openalex.org/W2102906584","https://openalex.org/W2105914428","https://openalex.org/W2114711020","https://openalex.org/W2144137496","https://openalex.org/W2144535965","https://openalex.org/W6630752685"],"related_works":["https://openalex.org/W2087993138","https://openalex.org/W2063863367","https://openalex.org/W4286279395","https://openalex.org/W4251278052","https://openalex.org/W2340112247","https://openalex.org/W751870123","https://openalex.org/W2140822038","https://openalex.org/W1978078116","https://openalex.org/W2005230581","https://openalex.org/W1699406428"],"abstract_inverted_index":{"The":[0,73,131],"objective":[1],"of":[2,17,70,89,114,192],"this":[3],"study":[4],"was":[5,48,77,91,116,145,169],"to":[6,57,104],"evaluate":[7],"two":[8],"remote-sensing":[9,83,185],"methods":[10,54],"for":[11,118,189],"mapping":[12,191],"the":[13,87,105,110,112,127,156],"surface":[14,32,107,193],"soil":[15,59,138,166,194],"moisture":[16,60,139,195],"a":[18,43,67],"bare":[19,197],"soil,":[20],"namely":[21],"L-band":[22],"radiometry":[23],"using":[24,31,119],"brightness":[25],"temperature":[26],"and":[27,143,162],"ground-penetrating":[28],"radar":[29],"(GPR)":[30],"reflection":[33],"inversion.":[34],"Invasive":[35],"time-domain":[36],"reflectometry":[37],"(TDR)":[38],"measurements":[39],"were":[40,55,101],"used":[41,56],"as":[42],"reference.":[44],"A":[45],"field":[46,106],"experiment":[47],"performed":[49],"in":[50],"which":[51],"these":[52],"three":[53],"map":[58],"after":[61],"controlled":[62],"heterogeneous":[63,74],"irrigation":[64,75],"that":[65,100,123,183],"ensured":[66],"wide":[68],"range":[69],"water":[71,167],"content.":[72],"pattern":[76],"reasonably":[78],"well":[79],"reproduced":[80],"by":[81,93,141],"both":[82,184],"techniques.":[84],"For":[85,109],"GPR,":[86],"effect":[88,113],"roughness":[90,115],"excluded":[92],"operating":[94],"at":[95],"low":[96],"frequencies":[97],"(0.2-0.8":[98],"GHz)":[99],"not":[102],"sensitive":[103],"roughness.":[108],"radiometer,":[111],"accounted":[117],"an":[120],"empirical":[121],"model":[122],"required":[124],"calibration":[125],"with":[126],"reference":[128],"TDR":[129,144],"measurements.":[130],"root":[132],"mean":[133],"square":[134],"(RMS)":[135],"error":[136,158],"between":[137,159],"measured":[140],"GPR":[142],"0.038":[146],"m":[147,151,171,175],"<sup":[148,152,172,176],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[149,153,173,177],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">3</sup>":[150,174],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">-3</sup>":[154,178],"while":[155],"RMS":[157],"radiometer":[160],"(horizontal":[161],"vertical":[163],"polarizations)and":[164],"TDR-derived":[165],"content":[168],"0.020":[170],".":[179],"These":[180],"results":[181],"suggest":[182],"techniques":[186],"are":[187],"promising":[188],"field-scale":[190],"over":[196],"soils.":[198]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}