{"id":"https://openalex.org/W2116237265","doi":"https://doi.org/10.1190/1.1440976","title":"A general solution for a spherical conductor in a magnetic dipole field","display_name":"A general solution for a spherical conductor in a magnetic dipole field","publication_year":1979,"publication_date":"1979-04-01","ids":{"openalex":"https://openalex.org/W2116237265","doi":"https://doi.org/10.1190/1.1440976","mag":"2116237265"},"language":"en","primary_location":{"id":"doi:10.1190/1.1440976","doi":"https://doi.org/10.1190/1.1440976","is_oa":false,"landing_page_url":"https://doi.org/10.1190/1.1440976","pdf_url":null,"source":{"id":"https://openalex.org/S106174089","display_name":"Geophysics","issn_l":"0016-8033","issn":["0016-8033","1942-2156"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-1","norway-2","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310316678","host_organization_name":"Society of Exploration Geophysicists","host_organization_lineage":["https://openalex.org/P4310316678"],"host_organization_lineage_names":["Society of Exploration Geophysicists"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geophysics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5111909315","display_name":"Melvyn E. Best","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I7923278","display_name":"Shell (Netherlands)","ror":"https://ror.org/00b5m4j81","country_code":"NL","type":"company","lineage":["https://openalex.org/I7923278"]},{"id":"https://openalex.org/I911422844","display_name":"Shell (Canada)","ror":"https://ror.org/01k9rsw84","country_code":"CA","type":"company","lineage":["https://openalex.org/I7923278","https://openalex.org/I911422844"]}],"countries":["CA","NL"],"is_corresponding":false,"raw_author_name":"M. E. Best","raw_affiliation_strings":["Shell Can. Resour., Calgary, Alberta, Canada","Koninklijke Shell Exploratie er Produktie Laboraturium, The Netherlands, formerly Shell Canada Resources Limited, Box 100, Calgary, Alta. T2P 2H5 Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shell Can. Resour., Calgary, Alberta, Canada","institution_ids":["https://openalex.org/I911422844"]},{"raw_affiliation_string":"Koninklijke Shell Exploratie er Produktie Laboraturium, The Netherlands, formerly Shell Canada Resources Limited, Box 100, Calgary, Alta. T2P 2H5 Canada","institution_ids":["https://openalex.org/I7923278","https://openalex.org/I911422844"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077174946","display_name":"Basil R. Shammas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I911422844","display_name":"Shell (Canada)","ror":"https://ror.org/01k9rsw84","country_code":"CA","type":"company","lineage":["https://openalex.org/I7923278","https://openalex.org/I911422844"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"B. R. Shammas","raw_affiliation_strings":["Shell Canada Resources Limited, Box 100, Calgary, Alta. T2P 2H5 Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shell Canada Resources Limited, Box 100, Calgary, Alta. T2P 2H5 Canada","institution_ids":["https://openalex.org/I911422844"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3926,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.61828571,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"44","issue":"4","first_page":"781","last_page":"800"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10572","display_name":"Geophysical and Geoelectrical Methods","score":0.9945999979972839,"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"}},"topics":[{"id":"https://openalex.org/T10572","display_name":"Geophysical and Geoelectrical Methods","score":0.9945999979972839,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.00419999985024333,"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/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"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/spherical-conductor","display_name":"spherical conductor","score":0.8569999933242798},{"id":"https://openalex.org/keywords/magnetic-dipole-field","display_name":"dipole magnetic field","score":0.949999988079071},{"id":"https://openalex.org/keywords/exact-solutions","display_name":"exact solutions","score":0.722000002861023},{"id":"https://openalex.org/keywords/airborne-electromagnetic-systems","display_name":"airborne electromagnetic systems","score":0.6100000143051147},{"id":"https://openalex.org/keywords/volcanogenic-massive-sulphide-deposits","display_name":"volcanogenic massive sulfide deposits","score":0.8349999785423279},{"id":"https://openalex.org/keywords/internal-magnetic-field","display_name":"internal magnetic field","score":0.5080000162124634}],"concepts":[{"id":"https://openalex.org/C34800285","wikidata":"https://www.wikidata.org/wiki/Q5159395","display_name":"Conductor","level":2,"score":0.8165637254714966},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.6140627264976501},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5820184946060181},{"id":"https://openalex.org/C202374169","wikidata":"https://www.wikidata.org/wiki/Q124291","display_name":"Electrical conductor","level":2,"score":0.5665291547775269},{"id":"https://openalex.org/C173523689","wikidata":"https://www.wikidata.org/wiki/Q215589","display_name":"Dipole","level":2,"score":0.5628427863121033},{"id":"https://openalex.org/C169852918","wikidata":"https://www.wikidata.org/wiki/Q390314","display_name":"Magnetic dipole","level":3,"score":0.5149930119514465},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.5064736604690552},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.498058557510376},{"id":"https://openalex.org/C28843909","wikidata":"https://www.wikidata.org/wiki/Q177625","display_name":"Electromagnetic field","level":2,"score":0.4612537622451782},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.4583863615989685},{"id":"https://openalex.org/C2778664614","wikidata":"https://www.wikidata.org/wiki/Q575597","display_name":"Spherical cap","level":2,"score":0.41221103072166443},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3537617325782776},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.3249177932739258},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3179912567138672},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16818061470985413},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.09003770351409912},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0827900767326355},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1190/1.1440976","doi":"https://doi.org/10.1190/1.1440976","is_oa":false,"landing_page_url":"https://doi.org/10.1190/1.1440976","pdf_url":null,"source":{"id":"https://openalex.org/S106174089","display_name":"Geophysics","issn_l":"0016-8033","issn":["0016-8033","1942-2156"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-1","norway-2","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310316678","host_organization_name":"Society of Exploration Geophysicists","host_organization_lineage":["https://openalex.org/P4310316678"],"host_organization_lineage_names":["Society of Exploration Geophysicists"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geophysics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2017979737","https://openalex.org/W2067763807","https://openalex.org/W2156636247","https://openalex.org/W2051592274","https://openalex.org/W2003064538","https://openalex.org/W1978924131","https://openalex.org/W7048880966","https://openalex.org/W2078000782","https://openalex.org/W2076579323","https://openalex.org/W2052276402"],"abstract_inverted_index":{"Abstract":[0],"In":[1,79],"electromagnetic":[2],"(EM)":[3],"prospecting":[4],"for":[5,39,52,144],"volcanogenic":[6],"massive":[7],"sulfide":[8],"ore":[9],"deposits,":[10],"a":[11,23,31,40,45,111,122],"significant":[12],"number":[13],"of":[14,76,83,89,124,152,170],"the":[15,63,73,81,87,90,106,118,131,140,145,153,163,168,184,189,191],"responses":[16,97],"are":[17,28,98,137,165],"associated":[18],"with":[19,57],"compact":[20],"conductors.":[21],"As":[22],"first":[24],"approximation,":[25],"these":[26,199,205],"bodies":[27],"studied":[29],"using":[30],"conducting":[32],"sphere":[33,123],"model.An":[34],"exact":[35],"solution":[36],"is":[37,69],"given":[38],"spherical":[41,91,141],"conductor":[42,92,164],"excited":[43],"by":[44],"magnetic":[46,155],"dipole":[47],"field":[48],"in":[49,134,167,198,210,214],"free":[50],"space":[51],"arbitrary":[53],"transmitter-receiver":[54],"(T-R)":[55],"configurations":[56],"receiver":[58],"positions":[59],"inside":[60,162,186],"or":[61],"outside":[62,188],"conductor.In":[64],"this":[65],"general":[66],"approach,":[67],"it":[68],"possible":[70],"to":[71,139,181],"investigate":[72],"lateral":[74,112],"attenuation":[75,113],"EM":[77,96],"systems.":[78],"particular,":[80],"effects":[82],"flight-line":[84],"displacement":[85],"from":[86,130],"center":[88],"on":[93],"several":[94],"airborne":[95],"presented.":[99],"For":[100],"example,":[101],"at":[102],"normal":[103],"flying":[104],"heights,":[105],"standard":[107],"Dighem":[108],"system":[109,120],"has":[110],"50":[114],"times":[115],"larger":[116],"than":[117],"EM-30":[119],"(for":[121],"100":[125],"m":[126],"radius).":[127],"Field":[128],"results":[129],"Clearwater":[132],"deposit":[133],"New":[135],"Brunswick":[136],"compared":[138],"model":[142],"attenuations":[143],"Dighem,":[146],"Otter,":[147],"and":[148,159,172,187],"F-500":[149],"systems.The":[150],"behavior":[151],"total":[154],"fields":[156],"H":[157,160,176,192],"xx":[158,177],"zz":[161,193],"presented":[166],"form":[169],"magnitude":[171],"phase":[173],"contours.":[174],"The":[175],"amplitude":[178],"was":[179],"found":[180],"be":[182],"approximately":[183],"same":[185],"sphere;":[190],"amplitude,":[194],"however,":[195],"differs":[196],"significantly":[197],"two":[200],"regions.":[201],"Observations":[202],"such":[203],"as":[204],"may":[206],"provide":[207],"some":[208],"guidance":[209],"subdividing":[211],"anomalous":[212],"inhomogeneities":[213],"future":[215],"numerical":[216],"modeling.":[217]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2016-06-24T00:00:00"}