{"id":"https://openalex.org/W2140033025","doi":"https://doi.org/10.1109/igarss.2009.5418154","title":"Ground based SAR survey of Basal interface at NEEM drill site","display_name":"Ground based SAR survey of Basal interface at NEEM drill site","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2140033025","doi":"https://doi.org/10.1109/igarss.2009.5418154","mag":"2140033025"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2009.5418154","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5418154","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 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/A5072039123","display_name":"William Blake","orcid":null},"institutions":[{"id":"https://openalex.org/I146416000","display_name":"University of Kansas","ror":"https://ror.org/001tmjg57","country_code":"US","type":"education","lineage":["https://openalex.org/I146416000"]},{"id":"https://openalex.org/I4210144928","display_name":"Center for Remote Sensing and Integrated Systems","ror":"https://ror.org/04t2m2598","country_code":"US","type":"facility","lineage":["https://openalex.org/I146416000","https://openalex.org/I4210144928"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"William Blake","raw_affiliation_strings":["Center of Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA","Center for Remote Sensing of Ice Sheets, University of Kansas, 2335 Irving Hill Rd., Lawrence, KS 66045"],"affiliations":[{"raw_affiliation_string":"Center of Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA","institution_ids":["https://openalex.org/I4210144928","https://openalex.org/I146416000"]},{"raw_affiliation_string":"Center for Remote Sensing of Ice Sheets, University of Kansas, 2335 Irving Hill Rd., Lawrence, KS 66045","institution_ids":["https://openalex.org/I146416000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110593549","display_name":"Carl Leuschen","orcid":null},"institutions":[{"id":"https://openalex.org/I4210144928","display_name":"Center for Remote Sensing and Integrated Systems","ror":"https://ror.org/04t2m2598","country_code":"US","type":"facility","lineage":["https://openalex.org/I146416000","https://openalex.org/I4210144928"]},{"id":"https://openalex.org/I146416000","display_name":"University of Kansas","ror":"https://ror.org/001tmjg57","country_code":"US","type":"education","lineage":["https://openalex.org/I146416000"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Carl Leuschen","raw_affiliation_strings":["Center of Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA","Center for Remote Sensing of Ice Sheets, University of Kansas, 2335 Irving Hill Rd., Lawrence, KS 66045"],"affiliations":[{"raw_affiliation_string":"Center of Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA","institution_ids":["https://openalex.org/I4210144928","https://openalex.org/I146416000"]},{"raw_affiliation_string":"Center for Remote Sensing of Ice Sheets, University of Kansas, 2335 Irving Hill Rd., Lawrence, KS 66045","institution_ids":["https://openalex.org/I146416000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087048338","display_name":"Claude M. Laird","orcid":null},"institutions":[{"id":"https://openalex.org/I4210144928","display_name":"Center for Remote Sensing and Integrated Systems","ror":"https://ror.org/04t2m2598","country_code":"US","type":"facility","lineage":["https://openalex.org/I146416000","https://openalex.org/I4210144928"]},{"id":"https://openalex.org/I146416000","display_name":"University of Kansas","ror":"https://ror.org/001tmjg57","country_code":"US","type":"education","lineage":["https://openalex.org/I146416000"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Claude Laird","raw_affiliation_strings":["Center of Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA","Center for Remote Sensing of Ice Sheets, University of Kansas, 2335 Irving Hill Rd., Lawrence, KS 66045"],"affiliations":[{"raw_affiliation_string":"Center of Remote Sensing of Ice Sheets, University of Kansas, Lawrence, KS, USA","institution_ids":["https://openalex.org/I4210144928","https://openalex.org/I146416000"]},{"raw_affiliation_string":"Center for Remote Sensing of Ice Sheets, University of Kansas, 2335 Irving Hill Rd., Lawrence, KS 66045","institution_ids":["https://openalex.org/I146416000"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087263950","display_name":"Dorthe Dahl\u2010Jensen","orcid":"https://orcid.org/0000-0002-1474-1948"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Dorthe Dahl-Jensen","raw_affiliation_strings":["Ice and Climate, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark","Ice and Climate, Niels Bohr Institute, University of Copenhagen Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark"],"affiliations":[{"raw_affiliation_string":"Ice and Climate, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark","institution_ids":["https://openalex.org/I124055696"]},{"raw_affiliation_string":"Ice and Climate, Niels Bohr Institute, University of Copenhagen Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark","institution_ids":["https://openalex.org/I124055696"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5072039123"],"corresponding_institution_ids":["https://openalex.org/I146416000","https://openalex.org/I4210144928"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.13773913,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"II","last_page":"594"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10995","display_name":"Methane Hydrates and Related Phenomena","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T10995","display_name":"Methane Hydrates and Related Phenomena","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T11459","display_name":"Arctic and Antarctic ice dynamics","score":0.9970999956130981,"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/T10644","display_name":"Cryospheric studies and observations","score":0.9962000250816345,"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/geology","display_name":"Geology","score":0.7280122637748718},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.5710360407829285},{"id":"https://openalex.org/keywords/drill","display_name":"Drill","score":0.5480596423149109},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.496498167514801},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.47820234298706055},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.46619999408721924},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.45855778455734253},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.42919570207595825},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.20209941267967224},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.154739111661911},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.126174658536911}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7280122637748718},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5710360407829285},{"id":"https://openalex.org/C173736775","wikidata":"https://www.wikidata.org/wiki/Q58964","display_name":"Drill","level":2,"score":0.5480596423149109},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.496498167514801},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.47820234298706055},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.46619999408721924},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.45855778455734253},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.42919570207595825},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.20209941267967224},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.154739111661911},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.126174658536911},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2009.5418154","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2009.5418154","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7799999713897705,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2042599897","https://openalex.org/W2083514672","https://openalex.org/W2524195621","https://openalex.org/W4285719527","https://openalex.org/W6727401445"],"related_works":["https://openalex.org/W3148155918","https://openalex.org/W2462682329","https://openalex.org/W4206741056","https://openalex.org/W3040595263","https://openalex.org/W1621772017","https://openalex.org/W4239147863","https://openalex.org/W2909855017","https://openalex.org/W2352163239","https://openalex.org/W2264981486","https://openalex.org/W4210419302"],"abstract_inverted_index":{"In":[0],"August":[1],"of":[2],"2008":[3],"a":[4,27,36,51],"radar":[5,41],"survey":[6],"was":[7],"conducted":[8],"at":[9],"the":[10,22,25,32,61,64],"NEEM":[11],"site":[12,66],"in":[13],"Greenland.":[14],"An":[15],"example":[16],"echogram":[17,47],"showing":[18],"internal":[19],"layers":[20],"all":[21],"way":[23],"to":[24,49,89],"bed,":[26],"digital":[28],"elevation":[29],"map":[30],"around":[31,63],"drill":[33,65],"site,":[34],"and":[35],"side":[37,77],"looking":[38,78],"synthetic":[39],"aperture":[40],"image":[42],"will":[43],"be":[44],"presented.":[45],"The":[46],"appears":[48],"show":[50,81],"fairly":[52],"continuous":[53],"Eemian":[54],"layer":[55],"where":[56],"predicted":[57],"by":[58],"modeling.":[59],"Additionally":[60],"area":[62],"is":[67,74],"very":[68],"flat":[69],"although":[70],"some":[71],"slope":[72],"variation":[73],"observed.":[75],"Finally":[76],"SAR":[79],"images":[80],"reflected":[82],"power":[83],"variations":[84],"that":[85],"need":[86],"more":[87],"analysis":[88],"determine":[90],"their":[91],"source.":[92]},"counts_by_year":[{"year":2018,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}