{"id":"https://openalex.org/W3042491692","doi":"https://doi.org/10.1109/lgrs.2020.3007514","title":"Permanent Scatterers in Repeat-Pass Airborne VHF Radar Sounder for Layer-Velocity Estimation","display_name":"Permanent Scatterers in Repeat-Pass Airborne VHF Radar Sounder for Layer-Velocity Estimation","publication_year":2020,"publication_date":"2020-07-17","ids":{"openalex":"https://openalex.org/W3042491692","doi":"https://doi.org/10.1109/lgrs.2020.3007514","mag":"3042491692"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2020.3007514","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.3007514","pdf_url":"https://ieeexplore.ieee.org/ielx7/8859/9548651/09143148.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","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":true,"oa_status":"hybrid","oa_url":"https://ieeexplore.ieee.org/ielx7/8859/9548651/09143148.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019769453","display_name":"Davide Castelletti","orcid":"https://orcid.org/0000-0003-0994-8976"},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Davide Castelletti","raw_affiliation_strings":["Department of Geophysics, Stanford University, Stanford, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Geophysics, Stanford University, Stanford, CA, USA","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030527883","display_name":"Dustin M. Schroeder","orcid":"https://orcid.org/0000-0003-1916-3929"},"institutions":[{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dustin M. Schroeder","raw_affiliation_strings":["Department of Electrical Engineering, Stanford University, Stanford, CA, USA","Department of Geophysics, Stanford University, Stanford, CA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Stanford University, Stanford, CA, USA","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Department of Geophysics, Stanford University, Stanford, CA, USA","institution_ids":["https://openalex.org/I97018004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058353105","display_name":"Thomas Jordan","orcid":"https://orcid.org/0000-0002-2096-8858"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["GB","US"],"is_corresponding":false,"raw_author_name":"Thomas M. Jordan","raw_affiliation_strings":["Department of Geophysics, Stanford University, Stanford, CA, USA","School of Geographical Sciences, University of Bristol, Bristol, U.K"],"affiliations":[{"raw_affiliation_string":"Department of Geophysics, Stanford University, Stanford, CA, USA","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"School of Geographical Sciences, University of Bristol, Bristol, U.K","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011873399","display_name":"D. A. Young","orcid":"https://orcid.org/0000-0002-6866-8176"},"institutions":[{"id":"https://openalex.org/I4403386791","display_name":"University of Texas Institute for Geophysics","ror":"https://ror.org/00fj73d18","country_code":null,"type":"education","lineage":["https://openalex.org/I4403386791"]},{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Duncan Young","raw_affiliation_strings":["University of Texas Institute for Geophysics, Austin, TX, USA"],"affiliations":[{"raw_affiliation_string":"University of Texas Institute for Geophysics, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309","https://openalex.org/I4403386791"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5019769453"],"corresponding_institution_ids":["https://openalex.org/I97018004"],"apc_list":null,"apc_paid":null,"fwci":0.5858,"has_fulltext":true,"cited_by_count":11,"citation_normalized_percentile":{"value":0.6730322,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"18","issue":"10","first_page":"1766","last_page":"1770"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":1.0,"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9983000159263611,"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/T10535","display_name":"Landslides and related hazards","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.7370790243148804},{"id":"https://openalex.org/keywords/depth-sounding","display_name":"Depth sounding","score":0.6834962368011475},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6827514171600342},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6368098258972168},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5329872965812683},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.466291606426239},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.4515376389026642},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.17755672335624695},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1738227903842926},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11206403374671936},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08084064722061157}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7370790243148804},{"id":"https://openalex.org/C55510283","wikidata":"https://www.wikidata.org/wiki/Q1382947","display_name":"Depth sounding","level":2,"score":0.6834962368011475},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6827514171600342},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6368098258972168},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5329872965812683},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.466291606426239},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.4515376389026642},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17755672335624695},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1738227903842926},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11206403374671936},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08084064722061157},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/lgrs.2020.3007514","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.3007514","pdf_url":"https://ieeexplore.ieee.org/ielx7/8859/9548651/09143148.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire/f3fa4214-5e2f-4bc4-9591-adb549db9cd4","is_oa":true,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/f3fa4214-5e2f-4bc4-9591-adb549db9cd4","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Castelletti, D, Schroeder, D, Jordan, T M & Young, D A 2020, 'Permanent Scatterers in Repeat-pass Airborne VHF Radar Sounder for Layer Velocity Estimation', IEEE Geoscience and Remote Sensing Letters, pp. 1-5. https://doi.org/10.1109/LGRS.2020.3007514","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:research-information.bris.ac.uk:publications/f3fa4214-5e2f-4bc4-9591-adb549db9cd4","is_oa":true,"landing_page_url":"https://hdl.handle.net/1983/f3fa4214-5e2f-4bc4-9591-adb549db9cd4","pdf_url":"https://research-information.bris.ac.uk/files/244813532/Full_text_PDF_final_published_version_.pdf","source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"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":"Castelletti, D, Schroeder, D, Jordan, T M & Young, D A 2020, 'Permanent Scatterers in Repeat-pass Airborne VHF Radar Sounder for Layer Velocity Estimation', IEEE Geoscience and Remote Sensing Letters, pp. 1-5. https://doi.org/10.1109/LGRS.2020.3007514","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"doi:10.1109/lgrs.2020.3007514","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lgrs.2020.3007514","pdf_url":"https://ieeexplore.ieee.org/ielx7/8859/9548651/09143148.pdf","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Geoscience and Remote Sensing Letters","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.8600000143051147}],"awards":[{"id":"https://openalex.org/G1171700966","display_name":null,"funder_award_id":"NSF CAREER","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G2025007194","display_name":null,"funder_award_id":"MSCA-IF-2016","funder_id":"https://openalex.org/F4320332999","funder_display_name":"Horizon 2020 Framework Programme"},{"id":"https://openalex.org/G3345895242","display_name":null,"funder_award_id":"H2020-MSCA","funder_id":"https://openalex.org/F4320332999","funder_display_name":"Horizon 2020 Framework Programme"},{"id":"https://openalex.org/G3872260941","display_name":null,"funder_award_id":"H2020-MSCA-IF-2016","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G504025110","display_name":null,"funder_award_id":"H2020-MSCA-IF-2016","funder_id":"https://openalex.org/F4320332999","funder_display_name":"Horizon 2020 Framework Programme"},{"id":"https://openalex.org/G6671297155","display_name":null,"funder_award_id":"CAREER","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6755165505","display_name":null,"funder_award_id":"award","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G848032724","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320332999","display_name":"Horizon 2020 Framework Programme","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3042491692.pdf","grobid_xml":"https://content.openalex.org/works/W3042491692.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1513512681","https://openalex.org/W1514992128","https://openalex.org/W1533879625","https://openalex.org/W1967716295","https://openalex.org/W1981543751","https://openalex.org/W1988687366","https://openalex.org/W1993091516","https://openalex.org/W2047029664","https://openalex.org/W2070611029","https://openalex.org/W2103039772","https://openalex.org/W2113237493","https://openalex.org/W2124451488","https://openalex.org/W2129206142","https://openalex.org/W2143716001","https://openalex.org/W2154753190","https://openalex.org/W2154852185","https://openalex.org/W2158205071","https://openalex.org/W2171178595","https://openalex.org/W2314101899","https://openalex.org/W2559915874","https://openalex.org/W2568462548","https://openalex.org/W2746156862","https://openalex.org/W2800629186","https://openalex.org/W2884976059","https://openalex.org/W2889392006","https://openalex.org/W2982438197","https://openalex.org/W3012360214"],"related_works":["https://openalex.org/W2547767220","https://openalex.org/W2007858596","https://openalex.org/W2475864399","https://openalex.org/W2097365900","https://openalex.org/W2558510866","https://openalex.org/W2045608372","https://openalex.org/W4312560350","https://openalex.org/W1543312294","https://openalex.org/W2146234870","https://openalex.org/W2121164544"],"abstract_inverted_index":{"Englacial":[0],"layer":[1,28,53,70],"velocity":[2,29,54,65,71,177],"can":[3,46,72,106],"provide":[4,87],"insights":[5],"on":[6,55],"the":[7,11,22,25,31,38,41,52,62,67,74,78,88,94,101,111,115,124,131,137,140,151,155,166,181,189,201],"vertical-velocity":[8],"structure":[9],"of":[10,24,77,114,134,139,206],"ice":[12,79],"sheets.":[13],"We":[14,179,195],"present":[15,180],"a":[16,56,172,176],"repeat-pass":[17],"interferometric":[18,152],"approach":[19],"that":[20,199],"allows":[21],"estimation":[23],"vertical":[26,173],"englacial":[27,116,156],"using":[30,186],"radar":[32,43,98,103,191],"sounder":[33,44,104,192],"data.":[34],"In":[35],"contrast":[36],"to":[37,50,86,93,109,161,170],"ground-based":[39],"sensors,":[40],"airborne":[42,102],"data":[45,105,187],"potentially":[47],"be":[48,107],"used":[49,108],"estimate":[51,110,171],"continental":[57],"scale.":[58],"When":[59],"merged":[60],"with":[61],"horizontal":[63],"surface":[64],"and":[66,81,126,175,204],"numerical":[68],"models,":[69],"support":[73],"3-D":[75],"analysis":[76],"flow":[80],"structure.":[82],"Our":[83],"aim":[84],"is":[85],"proof-of-concept":[89],"demonstration":[90],"that,":[91],"similar":[92],"side-looking":[95],"synthetic":[96],"aperture":[97],"for":[99,154],"imaging,":[100],"subwavelength":[112],"displacement":[113,174],"radio-stratigraphic":[117],"layers.":[118],"To":[119],"achieve":[120],"this,":[121],"we":[122,149],"use":[123],"phase":[125,153],"magnitude":[127],"acquired":[128],"repeatedly":[129],"over":[130,183],"same":[132],"region":[133],"interest.":[135],"After":[136],"extraction":[138],"crossing":[141],"points,":[142],"two":[143,197],"acquisitions":[144],"are":[145,159],"finely":[146],"registered.":[147],"Then,":[148],"compute":[150],"layers":[157],"(which":[158],"shown":[160],"behave":[162],"as":[163],"PSs":[164],"in":[165],"nadir":[167],"sounding":[168],"geometry),":[169],"profile.":[178],"results":[182],"East":[184],"Antarctica":[185],"from":[188],"high-capability":[190],"(HiCARS)":[193],"system.":[194],"show":[196],"scenarios":[198],"demonstrate":[200],"feasibility,":[202],"limitations,":[203],"requirements":[205],"this":[207],"approach.":[208]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}