{"id":"https://openalex.org/W2984174908","doi":"https://doi.org/10.1109/igarss.2019.8900163","title":"Sensitivity Analysis of Smap-Reflectometry (SMAP-R) Signals to Vegetation Water Content","display_name":"Sensitivity Analysis of Smap-Reflectometry (SMAP-R) Signals to Vegetation Water Content","publication_year":2019,"publication_date":"2019-07-01","ids":{"openalex":"https://openalex.org/W2984174908","doi":"https://doi.org/10.1109/igarss.2019.8900163","mag":"2984174908"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2019.8900163","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8900163","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 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/A5036058658","display_name":"Nereida Rodriguez-Alvarez","orcid":"https://orcid.org/0000-0002-9382-0686"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nereida Rodriguez-Alvarez","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032640922","display_name":"Sidharth Misra","orcid":"https://orcid.org/0000-0003-1738-6635"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sidharth Misra","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005119765","display_name":"Mary Morris","orcid":"https://orcid.org/0000-0002-9580-6239"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mary Morris","raw_affiliation_strings":["Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA","institution_ids":["https://openalex.org/I1334627681"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2291,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.55654087,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"7395","last_page":"7398"},"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":0.9825999736785889,"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":0.9822999835014343,"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/reflectometry","display_name":"Reflectometry","score":0.8562237024307251},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6839243769645691},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6380220651626587},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6160215139389038},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.6126012206077576},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.4367203414440155},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22732892632484436},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1730990707874298},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.08204662799835205}],"concepts":[{"id":"https://openalex.org/C2778925768","wikidata":"https://www.wikidata.org/wiki/Q3454718","display_name":"Reflectometry","level":3,"score":0.8562237024307251},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6839243769645691},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6380220651626587},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6160215139389038},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.6126012206077576},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.4367203414440155},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22732892632484436},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1730990707874298},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.08204662799835205},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2019.8900163","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2019.8900163","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1660767182","https://openalex.org/W1840723247","https://openalex.org/W1860649799","https://openalex.org/W1889359122","https://openalex.org/W1966717358","https://openalex.org/W1990484989","https://openalex.org/W2037326543","https://openalex.org/W2041184482","https://openalex.org/W2076593455","https://openalex.org/W2090422311","https://openalex.org/W2096453255","https://openalex.org/W2101293653","https://openalex.org/W2101335079","https://openalex.org/W2105484143","https://openalex.org/W2107580583","https://openalex.org/W2129204934","https://openalex.org/W2141156448","https://openalex.org/W2145696754","https://openalex.org/W2232192374","https://openalex.org/W2329472099","https://openalex.org/W2460583900","https://openalex.org/W2524127322","https://openalex.org/W2560452920","https://openalex.org/W2625413745","https://openalex.org/W2732884423","https://openalex.org/W2745135761","https://openalex.org/W2772344321","https://openalex.org/W2774327481","https://openalex.org/W2775342532","https://openalex.org/W2802220396","https://openalex.org/W2890433803","https://openalex.org/W2947225220","https://openalex.org/W2979562478","https://openalex.org/W3014764067","https://openalex.org/W6639468443","https://openalex.org/W6775859859"],"related_works":["https://openalex.org/W2140036717","https://openalex.org/W2091193607","https://openalex.org/W2035752977","https://openalex.org/W2597922112","https://openalex.org/W2084512058","https://openalex.org/W2022839116","https://openalex.org/W2249658485","https://openalex.org/W2139934557","https://openalex.org/W4253129285","https://openalex.org/W2157700289"],"abstract_inverted_index":{"Global":[0],"Navigation":[1],"Satellite":[2],"System":[3],"-":[4],"Reflectometry":[5],"(GNSSR)":[6],"techniques":[7],"have":[8],"proven":[9],"successful":[10],"to":[11,50],"retrieve":[12],"several":[13],"geophysical":[14],"parameters":[15],"such":[16],"as,":[17],"ocean":[18],"wind":[19],"speed,":[20],"soil":[21],"moisture,":[22],"altimetry,":[23],"wetland":[24],"dynamics,":[25],"snow":[26],"depth":[27],"estimations.":[28],"In":[29],"this":[30],"paper,":[31],"the":[32,38,52,55,60],"L2C":[33],"GPS":[34],"signals":[35],"measured":[36],"from":[37],"Soil":[39],"Moisture":[40],"Active":[41],"Passive":[42],"(SMAP)":[43],"radar":[44],"after":[45],"its":[46],"malfunction":[47],"is":[48],"used":[49],"investigate":[51],"effect":[53],"of":[54],"vegetation":[56],"water":[57],"content":[58],"on":[59],"electromagnetic":[61],"signal.":[62],"The":[63],"SMAP-Reflectometry":[64],"(SMAP-R)":[65],"measurements":[66],"are":[67],"obtained":[68],"at":[69],"V":[70],"and":[71],"H":[72],"polarizations":[73],"allowing":[74],"for":[75,84],"not":[76],"only":[77],"signal-to-noise":[78],"ratio":[79,86],"(SNR)":[80],"analysis":[81],"but":[82],"also":[83],"polarimetric":[85],"(PR)":[87],"studies.":[88]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}