{"id":"https://openalex.org/W1516263229","doi":"https://doi.org/10.3390/rs70809954","title":"On the Synergy of Airborne GNSS-R and Landsat 8 for Soil Moisture Estimation","display_name":"On the Synergy of Airborne GNSS-R and Landsat 8 for Soil Moisture Estimation","publication_year":2015,"publication_date":"2015-08-05","ids":{"openalex":"https://openalex.org/W1516263229","doi":"https://doi.org/10.3390/rs70809954","mag":"1516263229"},"language":"en","primary_location":{"id":"doi:10.3390/rs70809954","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs70809954","pdf_url":"https://www.mdpi.com/2072-4292/7/8/9954/pdf?version=1438769546","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/7/8/9954/pdf?version=1438769546","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068679360","display_name":"Nilda S\u00e1nchez","orcid":"https://orcid.org/0000-0002-8396-6550"},"institutions":[{"id":"https://openalex.org/I184999862","display_name":"Universidad de Salamanca","ror":"https://ror.org/02f40zc51","country_code":"ES","type":"education","lineage":["https://openalex.org/I184999862"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Nilda S\u00e1nchez","raw_affiliation_strings":["Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12,  37185 Villamayor (Salamanca), Spain","Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12, 37185 Villamayor (Salamanca), Spain"],"affiliations":[{"raw_affiliation_string":"Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12,  37185 Villamayor (Salamanca), Spain","institution_ids":["https://openalex.org/I184999862"]},{"raw_affiliation_string":"Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12, 37185 Villamayor (Salamanca), Spain","institution_ids":["https://openalex.org/I184999862"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021848550","display_name":"A. Alonso-Arroyo","orcid":"https://orcid.org/0000-0003-3786-1261"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Alberto Alonso-Arroyo","raw_affiliation_strings":["Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037298167","display_name":"Jos\u00e9 Mart\u00ednez\u2010Fern\u00e1ndez","orcid":"https://orcid.org/0000-0003-0446-9693"},"institutions":[{"id":"https://openalex.org/I184999862","display_name":"Universidad de Salamanca","ror":"https://ror.org/02f40zc51","country_code":"ES","type":"education","lineage":["https://openalex.org/I184999862"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Jos\u00e9 Mart\u00ednez-Fern\u00e1ndez","raw_affiliation_strings":["Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12,  37185 Villamayor (Salamanca), Spain","Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12, 37185 Villamayor (Salamanca), Spain"],"affiliations":[{"raw_affiliation_string":"Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12,  37185 Villamayor (Salamanca), Spain","institution_ids":["https://openalex.org/I184999862"]},{"raw_affiliation_string":"Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12, 37185 Villamayor (Salamanca), Spain","institution_ids":["https://openalex.org/I184999862"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032528806","display_name":"Mar\u00eda Piles","orcid":"https://orcid.org/0000-0002-1169-3098"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Mar\u00eda Piles","raw_affiliation_strings":["Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083480243","display_name":"\u00c1ngel Gonz\u00e1lez\u2010Zamora","orcid":"https://orcid.org/0000-0002-1145-0803"},"institutions":[{"id":"https://openalex.org/I184999862","display_name":"Universidad de Salamanca","ror":"https://ror.org/02f40zc51","country_code":"ES","type":"education","lineage":["https://openalex.org/I184999862"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"\u00c1ngel Gonz\u00e1lez-Zamora","raw_affiliation_strings":["Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12,  37185 Villamayor (Salamanca), Spain","Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12, 37185 Villamayor (Salamanca), Spain"],"affiliations":[{"raw_affiliation_string":"Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12,  37185 Villamayor (Salamanca), Spain","institution_ids":["https://openalex.org/I184999862"]},{"raw_affiliation_string":"Instituto Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca. Duero 12, 37185 Villamayor (Salamanca), Spain","institution_ids":["https://openalex.org/I184999862"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073492252","display_name":"Adriano Camps","orcid":"https://orcid.org/0000-0002-9514-4992"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Adriano Camps","raw_affiliation_strings":["Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":null,"display_name":"Merc\u00e8 Vall-llosera","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Merc\u00e8 Vall-llosera","raw_affiliation_strings":["Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain"],"affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya-BarcelonaTech, Department of Signal Theory and Communications (TSC). Jordi Girona 1-3, 08034 Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5068679360"],"corresponding_institution_ids":["https://openalex.org/I184999862"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":4.2023,"has_fulltext":true,"cited_by_count":49,"citation_normalized_percentile":{"value":0.93150004,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"7","issue":"8","first_page":"9954","last_page":"9974"},"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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9952999949455261,"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":0.9901000261306763,"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/gnss-applications","display_name":"GNSS applications","score":0.7834794521331787},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7336684465408325},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6763594150543213},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23407581448554993},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.14268580079078674},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.12641641497612}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.7834794521331787},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7336684465408325},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6763594150543213},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23407581448554993},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.14268580079078674},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.12641641497612},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs70809954","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs70809954","pdf_url":"https://www.mdpi.com/2072-4292/7/8/9954/pdf?version=1438769546","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:29d608139b4d4035a8d4982d90ec9d41","is_oa":true,"landing_page_url":"https://doaj.org/article/29d608139b4d4035a8d4982d90ec9d41","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 7, Iss 8, Pp 9954-9974 (2015)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/7/8/9954/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs70809954","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Remote Sensing; Volume 7; Issue 8; Pages: 9954-9974","raw_type":"Text"},{"id":"pmh:oai:upcommons.upc.edu:2117/79572","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/79572","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.3390/rs70809954","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs70809954","pdf_url":"https://www.mdpi.com/2072-4292/7/8/9954/pdf?version=1438769546","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2631452109","display_name":null,"funder_award_id":"(ERDF)","funder_id":"https://openalex.org/F4320335322","funder_display_name":"European Regional Development Fund"}],"funders":[{"id":"https://openalex.org/F4320335322","display_name":"European Regional Development Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1516263229.pdf","grobid_xml":"https://content.openalex.org/works/W1516263229.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W1589761358","https://openalex.org/W1965632894","https://openalex.org/W1978617972","https://openalex.org/W1984598197","https://openalex.org/W1988810672","https://openalex.org/W1990484989","https://openalex.org/W1998028717","https://openalex.org/W2003269020","https://openalex.org/W2003578656","https://openalex.org/W2006149637","https://openalex.org/W2036426401","https://openalex.org/W2039367950","https://openalex.org/W2040125657","https://openalex.org/W2048516690","https://openalex.org/W2054422328","https://openalex.org/W2055655489","https://openalex.org/W2061718511","https://openalex.org/W2062902149","https://openalex.org/W2063623478","https://openalex.org/W2063946561","https://openalex.org/W2064632414","https://openalex.org/W2091789707","https://openalex.org/W2093465768","https://openalex.org/W2097498299","https://openalex.org/W2101678239","https://openalex.org/W2109120345","https://openalex.org/W2117189556","https://openalex.org/W2125513050","https://openalex.org/W2132531242","https://openalex.org/W2166105691","https://openalex.org/W2312638767","https://openalex.org/W3046074667"],"related_works":["https://openalex.org/W4386936491","https://openalex.org/W3007931018","https://openalex.org/W3110195467","https://openalex.org/W3033823235","https://openalex.org/W4391128647","https://openalex.org/W2881093137","https://openalex.org/W4386787199","https://openalex.org/W4384916587","https://openalex.org/W2163330330","https://openalex.org/W1982137911"],"abstract_inverted_index":{"While":[0],"the":[1,14,22,30,51,60,82,158,165],"synergy":[2],"between":[3],"thermal,":[4],"optical,":[5,125],"and":[6,19,127,147,155,173],"passive":[7],"microwave":[8],"observations":[9,87],"is":[10],"well":[11],"known":[12],"for":[13,73,94,118,197],"estimation":[15,201],"of":[16,24,85,145,168],"soil":[17,74,95,141,183,190,199],"moisture":[18,75,96,184,200],"vegetation":[20,146],"parameters,":[21],"use":[23,84,167],"remote":[25],"sensing":[26],"sources":[27],"based":[28,66],"on":[29,67],"Global":[31],"Navigation":[32],"Satellite":[33],"Systems":[34],"(GNSS)":[35],"remains":[36],"unexplored.":[37],"During":[38],"an":[39,47,55,107],"airborne":[40],"campaign":[41,110],"performed":[42],"in":[43,50,159,212],"August":[44],"2014,":[45],"over":[46],"agricultural":[48],"area":[49],"Duero":[52],"basin":[53],"(Spain),":[54],"innovative":[56],"sensor":[57],"developed":[58],"by":[59],"Universitat":[61],"Polit\u00e8cnica":[62],"de":[63],"Catalunya-Barcelona":[64],"Tech":[65],"GNSS":[68],"Reflectometry":[69],"(GNSS-R)":[70],"was":[71,79,111],"tested":[72,154],"estimation.":[76],"The":[77,114],"objective":[78],"to":[80,139,157],"evaluate":[81],"combined":[83],"GNSS-R":[86,119,169],"with":[88,124,150,211],"a":[89,103,136],"time-collocated":[90],"Landsat":[91,131,177],"8":[92,178],"image":[93],"retrieval":[97],"under":[98,187],"semi-arid":[99],"climate":[100],"conditions.":[101],"As":[102],"ground":[104],"reference":[105],"dataset,":[106],"intensive":[108],"field":[109,140],"carried":[112],"out.":[113],"Light":[115],"Airborne":[116],"Reflectometer":[117],"Observations":[120],"(LARGO)":[121],"observations,":[122],"together":[123],"infrared,":[126],"thermal":[128,174],"bands":[129],"from":[130,176,209],"8,":[132],"were":[133,153,207],"linked":[134],"through":[135],"semi-empirical":[137],"model":[138],"moisture.":[142],"Different":[143],"combinations":[144],"water":[148],"indices":[149,172],"LARGO":[151],"subsets":[152],"compared":[156],"situ":[160,213],"measurements.":[161],"Results":[162],"showed":[163],"that":[164],"joint":[166],"reflectivity,":[170],"water/vegetation":[171],"maps":[175],"not":[179],"only":[180],"allows":[181],"capturing":[182],"spatial":[185],"gradients":[186],"very":[188],"dry":[189],"conditions,":[191],"but":[192],"also":[193],"holds":[194],"great":[195],"promise":[196],"accurate":[198],"(correlation":[202],"coefficients":[203],"greater":[204],"than":[205],"0.5":[206],"obtained":[208],"comparison":[210],"data).":[214]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2016-06-24T00:00:00"}