{"id":"https://openalex.org/W2191039732","doi":"https://doi.org/10.1109/lgrs.2014.2307794","title":"Aquarius Active/Passive RFI Environment at L-Band","display_name":"Aquarius Active/Passive RFI Environment at L-Band","publication_year":2014,"publication_date":"2014-04-14","ids":{"openalex":"https://openalex.org/W2191039732","doi":"https://doi.org/10.1109/lgrs.2014.2307794","mag":"2191039732"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2014.2307794","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2014.2307794","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5010761223","display_name":"David M. Le Vine","orcid":"https://orcid.org/0000-0002-9335-0741"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"D. M. Le Vine","raw_affiliation_strings":["Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057164995","display_name":"Paolo de Matthaeis","orcid":"https://orcid.org/0000-0001-6326-8600"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. de Matthaeis","raw_affiliation_strings":["Goddard Space Flight Center, Greenbelt, MD, USA"],"affiliations":[{"raw_affiliation_string":"Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5010761223"],"corresponding_institution_ids":["https://openalex.org/I1306266525"],"apc_list":null,"apc_paid":null,"fwci":1.986,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.85566702,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"11","issue":"10","first_page":"1747","last_page":"1751"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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":1.0,"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/T11234","display_name":"Precipitation Measurement and Analysis","score":0.996399998664856,"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"}},{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.977400004863739,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/scatterometer","display_name":"Scatterometer","score":0.9250037670135498},{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.8059211373329163},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7756701707839966},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6659108400344849},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.529859721660614},{"id":"https://openalex.org/keywords/electromagnetic-interference","display_name":"Electromagnetic interference","score":0.5080490112304688},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.474267840385437},{"id":"https://openalex.org/keywords/microwave-radiometer","display_name":"Microwave radiometer","score":0.4274590313434601},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.20672932267189026},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2065420150756836},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.19478866457939148},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17118212580680847}],"concepts":[{"id":"https://openalex.org/C2776212561","wikidata":"https://www.wikidata.org/wiki/Q905295","display_name":"Scatterometer","level":3,"score":0.9250037670135498},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.8059211373329163},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7756701707839966},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6659108400344849},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.529859721660614},{"id":"https://openalex.org/C184892835","wikidata":"https://www.wikidata.org/wiki/Q1474513","display_name":"Electromagnetic interference","level":2,"score":0.5080490112304688},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.474267840385437},{"id":"https://openalex.org/C96960616","wikidata":"https://www.wikidata.org/wiki/Q3814470","display_name":"Microwave radiometer","level":3,"score":0.4274590313434601},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.20672932267189026},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2065420150756836},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.19478866457939148},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17118212580680847}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lgrs.2014.2307794","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2014.2307794","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"},{"id":"pmh:oai:casi.ntrs.nasa.gov:20150022436","is_oa":false,"landing_page_url":"http://hdl.handle.net/2060/20150022436","pdf_url":null,"source":{"id":"https://openalex.org/S4377196257","display_name":"NASA STI Repository (National Aeronautics and Space Administration)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"GSFC-E-DAA-TN22035"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/14","display_name":"Life below water","score":0.8700000047683716}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2026618660","https://openalex.org/W2039348932","https://openalex.org/W2112265430","https://openalex.org/W2119709919","https://openalex.org/W2143776268","https://openalex.org/W2146705192","https://openalex.org/W2158778754","https://openalex.org/W2313211616"],"related_works":["https://openalex.org/W2108718386","https://openalex.org/W2003841247","https://openalex.org/W2124530272","https://openalex.org/W1955373081","https://openalex.org/W2109355119","https://openalex.org/W2117013136","https://openalex.org/W2102543049","https://openalex.org/W2802621823","https://openalex.org/W2068644563","https://openalex.org/W2137397774"],"abstract_inverted_index":{"Active/Passive":[0],"instrument":[1],"combinations":[2],"(i.e.,":[3],"radiometer":[4,68,113],"and":[5,19,27,60,75,105,118],"radar)":[6],"are":[7,79],"being":[8],"developed":[9],"at":[10,48,115,122,139],"L-band":[11],"for":[12,31,41,57,66,92,155],"remote":[13],"sensing":[14],"of":[15,36,101,158],"sea":[16],"surface":[17],"salinity":[18],"soil":[20],"moisture.":[21],"Aquarius":[22,38,78,128],"is":[23,29,70,88,142],"already":[24],"in":[25,33,81,110,119,131,147],"orbit":[26],"SMAP":[28],"planned":[30],"launch":[32],"the":[34,42,49,67,93,102,112,120,127,135,148,152,156],"Fall":[35],"2014.":[37],"has":[39],"provided":[40],"first":[43],"time":[44],"a":[45],"simultaneous":[46],"look":[47],"Radio":[50],"Frequency":[51],"Interference":[52],"(RFI)":[53],"environment":[54,65],"from":[55,77],"space":[56],"both":[58,111],"active":[59],"passive":[61],"instruments.":[62,161],"The":[63],"RFI":[64,87,109,138,146],"observations":[69],"now":[71],"reasonably":[72],"well":[73,144],"known":[74],"examples":[76],"presented":[80],"this":[82],"manuscript":[83],"that":[84,86],"show":[85],"an":[89],"important":[90],"consideration":[91,154],"scatterometer":[94,149],"as":[95,134],"well.":[96],"In":[97],"particular,":[98],"extensive":[99],"areas":[100,132],"USA,":[103,136],"Europe":[104],"Asia":[106],"exhibit":[107],"strong":[108],"band":[114,121,150],"1.41":[116],"GHz":[117,124,141],"1.26":[123],"employed":[125],"by":[126],"scatterometer.":[129],"Furthermore,":[130],"such":[133],"where":[137],"1.4":[140],"relatively":[143],"controlled,":[145],"maybe":[151],"limiting":[153],"operation":[157],"combination":[159],"active/passive":[160]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}