{"id":"https://openalex.org/W4407025652","doi":"https://doi.org/10.1109/tgrs.2025.3533425","title":"Feasibility of L-Band Sharpening With C-Band Using SMAP and AMSR Radiometry Data for Future Application to CIMR","display_name":"Feasibility of L-Band Sharpening With C-Band Using SMAP and AMSR Radiometry Data for Future Application to CIMR","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4407025652","doi":"https://doi.org/10.1109/tgrs.2025.3533425"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2025.3533425","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3533425","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/tgrs.2025.3533425","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024380770","display_name":"Michelle S. Zhang","orcid":"https://orcid.org/0000-0002-9628-556X"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michelle S. Zhang","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA"],"raw_orcid":"https://orcid.org/0000-0002-9628-556X","affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053655324","display_name":"Faisal AlNasser","orcid":"https://orcid.org/0009-0005-1909-4646"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Faisal AlNasser","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]},{"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/I16097986","display_name":"Universitat de Val\u00e8ncia","ror":"https://ror.org/043nxc105","country_code":"ES","type":"education","lineage":["https://openalex.org/I16097986"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Mar\u00eda Piles","raw_affiliation_strings":["Image Processing Laboratory (IPL), Universitat de Val&#x00E8;ncia (UV), Valencia, Spain"],"raw_orcid":"https://orcid.org/0000-0002-1169-3098","affiliations":[{"raw_affiliation_string":"Image Processing Laboratory (IPL), Universitat de Val&#x00E8;ncia (UV), Valencia, Spain","institution_ids":["https://openalex.org/I16097986"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085491613","display_name":"Dara Entekhabi","orcid":"https://orcid.org/0000-0002-8362-4761"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dara Entekhabi","raw_affiliation_strings":["Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA"],"raw_orcid":"https://orcid.org/0000-0002-8362-4761","affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00980019,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":null,"first_page":"1","last_page":"10"},"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":0.9976999759674072,"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/T11333","display_name":"Climate change and permafrost","score":0.9955000281333923,"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/radiometry","display_name":"Radiometry","score":0.912920355796814},{"id":"https://openalex.org/keywords/sharpening","display_name":"Sharpening","score":0.8143249154090881},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7861248254776001},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.48047366738319397},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2116897702217102},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.20024698972702026},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07372406125068665}],"concepts":[{"id":"https://openalex.org/C87456703","wikidata":"https://www.wikidata.org/wiki/Q247760","display_name":"Radiometry","level":2,"score":0.912920355796814},{"id":"https://openalex.org/C2781137444","wikidata":"https://www.wikidata.org/wiki/Q237105","display_name":"Sharpening","level":2,"score":0.8143249154090881},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7861248254776001},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.48047366738319397},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2116897702217102},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.20024698972702026},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07372406125068665}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2025.3533425","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3533425","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/tgrs.2025.3533425","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tgrs.2025.3533425","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G652118826","display_name":null,"funder_award_id":"1510842","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1995598225","https://openalex.org/W1999070203","https://openalex.org/W2001800591","https://openalex.org/W2039348932","https://openalex.org/W2055996025","https://openalex.org/W2072952647","https://openalex.org/W2100401723","https://openalex.org/W2108856717","https://openalex.org/W2135869017","https://openalex.org/W2139979845","https://openalex.org/W2141219203","https://openalex.org/W2144137496","https://openalex.org/W2158903118","https://openalex.org/W2245017764","https://openalex.org/W2506587499","https://openalex.org/W2599868771","https://openalex.org/W2771236166","https://openalex.org/W2775792461","https://openalex.org/W2803374800","https://openalex.org/W2894997012","https://openalex.org/W2954216210","https://openalex.org/W2999360100","https://openalex.org/W3204090411","https://openalex.org/W3212727045","https://openalex.org/W4283217174","https://openalex.org/W4387803798","https://openalex.org/W4391547591","https://openalex.org/W6649978393","https://openalex.org/W6793437497","https://openalex.org/W6892241604","https://openalex.org/W6902273574"],"related_works":["https://openalex.org/W2329932281","https://openalex.org/W64535957","https://openalex.org/W2043790407","https://openalex.org/W2348902545","https://openalex.org/W2321247741","https://openalex.org/W2136313643","https://openalex.org/W2087564795","https://openalex.org/W2011367085","https://openalex.org/W3136545447","https://openalex.org/W2347506004"],"abstract_inverted_index":{"Passive":[0,94],"microwave":[1],"remote":[2],"sensing":[3],"can":[4,169],"provide":[5],"direct":[6],"and":[7,36,97,108,117,149,156,195],"frequent":[8],"measurements":[9],"for":[10,124],"the":[11,56,60,77,90,114,119,133,164,167,173,177,180],"estimation":[12],"of":[13,63,79,121,135,176,182],"surface":[14,44],"soil":[15,45,189],"moisture":[16,46,190],"globally.":[17],"The":[18],"future":[19,64,183],"Copernicus":[20],"Imaging":[21],"Microwave":[22,99],"Radiometer":[23,101],"(CIMR)":[24],"mission":[25,96,104],"is":[26],"projected":[27],"to":[28,42,58,105,187],"operate":[29],"at":[30,47,113,192],"five":[31],"spectral":[32],"bands,":[33],"including":[34],"L-":[35,107],"C-bands,":[37],"providing":[38],"a":[39,128],"unique":[40],"capability":[41],"observe":[43],"multiple":[48],"spatial":[49,174],"resolutions.":[50],"In":[51],"this":[52],"work,":[53],"we":[54,141],"investigate":[55,106],"potential":[57],"improve":[59],"coarser":[61],"resolution":[62,71],"CIMR":[65,184],"L-band":[66,125,139],"(<60":[67],"km)":[68,74],"using":[69],"finer":[70],"C-band":[72,122,168],"(<15":[73],"by":[75],"exploiting":[76],"overlap":[78],"band":[80],"footprints.":[81],"We":[82],"use":[83,120],"existing":[84],"brightness":[85],"temperature":[86],"(TB)":[87],"data":[88],"from":[89],"Soil":[91],"Moisture":[92],"Active":[93],"(SMAP)":[95],"Advanced":[98],"Scanning":[100],"2":[102],"(AMSR2)":[103],"C-bands":[109],"multiresolution":[110],"information":[111,123,171],"content":[112],"global":[115,143],"scale":[116],"assess":[118],"sharpening":[126],"with":[127,137],"linear":[129],"regression":[130],"model.":[131],"Comparing":[132],"performance":[134],"sharpened":[136],"true":[138],"TB,":[140],"find":[142],"improvements":[144],"in":[145,172],"systematic":[146],"offset":[147],"errors":[148],"time-varying":[150],"random":[151],"errors,":[152],"especially":[153],"along":[154],"coastlines":[155],"over":[157],"diverse":[158],"vegetation":[159],"land":[160],"cover.":[161],"Results":[162],"support":[163],"conclusion":[165],"that":[166],"capture":[170],"enhancement":[175],"L-band,":[178],"demonstrating":[179],"value":[181],"multifrequency":[185],"observations":[186],"generate":[188],"products":[191],"both":[193],"climatic":[194],"meteorological":[196],"scales.":[197]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
