{"id":"https://openalex.org/W2105454345","doi":"https://doi.org/10.1109/igarss.2005.1526182","title":"Subsurface water-filled fracture detection by borehole radar: a case history","display_name":"Subsurface water-filled fracture detection by borehole radar: a case history","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W2105454345","doi":"https://doi.org/10.1109/igarss.2005.1526182","mag":"2105454345"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2005.1526182","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2005.1526182","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05.","raw_type":"proceedings-article"},"type":"conference-paper","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/A5067878162","display_name":"Sixin Liu","orcid":"https://orcid.org/0000-0002-6660-6780"},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sixin Liu","raw_affiliation_strings":["Dept. of Geophys., Jilin Univ., Changchun, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geophys., Jilin Univ., Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100599784","display_name":"Zhaofa Zeng","orcid":"https://orcid.org/0000-0003-0104-4278"},"institutions":[{"id":"https://openalex.org/I194450716","display_name":"Jilin University","ror":"https://ror.org/00js3aw79","country_code":"CN","type":"education","lineage":["https://openalex.org/I194450716"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaofa Zeng","raw_affiliation_strings":["Dept. of Geophys., Jilin Univ., Changchun, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Geophys., Jilin Univ., Changchun, China","institution_ids":["https://openalex.org/I194450716"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016303009","display_name":"Motoyuki Sato","orcid":"https://orcid.org/0000-0003-3888-2523"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Sato","raw_affiliation_strings":["Center for Northeast Asian Studies, University of Tohoku, Sendai, Japan","Department of Basic Studies"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Northeast Asian Studies, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Department of Basic Studies","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4 pp.","last_page":"4 pp."},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":1.0,"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/T11757","display_name":"Seismic Waves and Analysis","score":0.9972000122070312,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9921000003814697,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/borehole","display_name":"Borehole","score":0.7632527351379395},{"id":"https://openalex.org/keywords/ground-penetrating-radar","display_name":"Ground-penetrating radar","score":0.6668812036514282},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.6622397303581238},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.5400979518890381},{"id":"https://openalex.org/keywords/fracture","display_name":"Fracture (geology)","score":0.5166823863983154},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.40652692317962646},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.28203532099723816},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.22599896788597107},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09958308935165405}],"concepts":[{"id":"https://openalex.org/C150560799","wikidata":"https://www.wikidata.org/wiki/Q502102","display_name":"Borehole","level":2,"score":0.7632527351379395},{"id":"https://openalex.org/C71813955","wikidata":"https://www.wikidata.org/wiki/Q503560","display_name":"Ground-penetrating radar","level":3,"score":0.6668812036514282},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6622397303581238},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5400979518890381},{"id":"https://openalex.org/C43369102","wikidata":"https://www.wikidata.org/wiki/Q2307625","display_name":"Fracture (geology)","level":2,"score":0.5166823863983154},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.40652692317962646},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.28203532099723816},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.22599896788597107},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09958308935165405}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2005.1526182","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2005.1526182","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05.","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2075377675","https://openalex.org/W2153726500","https://openalex.org/W2164345547","https://openalex.org/W2473295870"],"related_works":["https://openalex.org/W3176894897","https://openalex.org/W2105454345","https://openalex.org/W1981617079","https://openalex.org/W2369939519","https://openalex.org/W2109455912","https://openalex.org/W2738281492","https://openalex.org/W2384756805","https://openalex.org/W116916685","https://openalex.org/W2136260890","https://openalex.org/W3132046273"],"abstract_inverted_index":{"Borehole":[0],"radar":[1,32,147],"is":[2,60,96,142,148],"a":[3,66,75],"special":[4],"mode":[5],"of":[6,22,65,70,77],"ground":[7],"penetrating":[8],"radar.":[9,17],"It":[10,141],"has":[11],"several":[12],"distinguished":[13],"features":[14],"from":[15,121],"surface":[16,55],"For":[18],"examples,":[19],"by":[20,80],"means":[21],"borehole":[23,122,146],"access":[24],"to":[25,39,44],"deep":[26],"regions":[27],"below":[28],"the":[29,31,40,63,145],"surface,":[30],"sonde":[33],"can":[34,108,115,127],"be":[35,45,109,116,128],"located":[36,61],"relatively":[37],"close":[38],"anomalies":[41],"or":[42],"targets":[43,52],"measured,":[46],"this":[47,102],"results":[48],"in":[49,138],"more":[50,97],"precise":[51],"response":[53],"than":[54,98],"measurement.":[56],"The":[57,83,92,104,130],"experimental":[58],"site":[59],"on":[62],"top":[64],"granite":[67],"hill":[68],"west":[69],"Beijing,":[71],"China.":[72],"There":[73],"are":[74,88,136],"group":[76],"boreholes":[78],"intersected":[79],"many":[81],"fractures.":[82],"measured":[84],"single-hole":[85],"reflection":[86],"data":[87],"processed":[89],"and":[90,118,123],"interpreted.":[91],"radial":[93],"detecting":[94],"range":[95],"30":[99],"meters":[100],"at":[101],"site.":[103],"subsurface":[105,153],"fracture":[106],"distribution":[107],"imaged":[110],"very":[111],"clearly.":[112],"Many":[113],"fractures":[114,135],"\"seen\",":[117],"their":[119,124],"distance":[120],"dip":[125],"angle":[126],"determined.":[129],"azimuth":[131],"determinations":[132],"for":[133,152],"these":[134],"possible":[137],"some":[139],"situations.":[140],"concluded":[143],"that":[144],"an":[149],"effective":[150],"tool":[151],"imaging.":[154]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
