{"id":"https://openalex.org/W1976439999","doi":"https://doi.org/10.1002/qj.49710443903","title":"A new look at the \u03c9-equation","display_name":"A new look at the \u03c9-equation","publication_year":1978,"publication_date":"1978-01-01","ids":{"openalex":"https://openalex.org/W1976439999","doi":"https://doi.org/10.1002/qj.49710443903","mag":"1976439999"},"language":"en","primary_location":{"id":"doi:10.1002/qj.49710443903","doi":"https://doi.org/10.1002/qj.49710443903","is_oa":false,"landing_page_url":"https://doi.org/10.1002/qj.49710443903","pdf_url":null,"source":{"id":"https://openalex.org/S70522100","display_name":"Quarterly Journal of the Royal Meteorological Society","issn_l":"0035-9009","issn":["0035-9009","1477-870X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quarterly Journal of the Royal Meteorological Society","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W1976439999"],"child_works_count":0,"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/A5016087138","display_name":"Brian John Hoskins","orcid":"https://orcid.org/0000-0003-2994-1106","observed_orcids":["https://orcid.org/0000-0003-2994-1106"]},"institutions":[{"id":"https://openalex.org/I71052956","display_name":"University of Reading","ror":"https://ror.org/05v62cm79","country_code":"GB","type":"education","lineage":["https://openalex.org/I71052956"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"B. J. Hoskins","raw_affiliation_strings":["UK Universities' Atmospheric Modelling Group and Department of Geophysics, University of Reading"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UK Universities' Atmospheric Modelling Group and Department of Geophysics, University of Reading","institution_ids":["https://openalex.org/I71052956"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076422751","display_name":"I. Draghici","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I71052956","display_name":"University of Reading","ror":"https://ror.org/05v62cm79","country_code":"GB","type":"education","lineage":["https://openalex.org/I71052956"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"I. Draghici","raw_affiliation_strings":["UK Universities' Atmospheric Modelling Group and Department of Geophysics, University of Reading"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UK Universities' Atmospheric Modelling Group and Department of Geophysics, University of Reading","institution_ids":["https://openalex.org/I71052956"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102792426","display_name":"Huw C. Davies","orcid":"https://orcid.org/0000-0001-8110-5194","observed_orcids":["https://orcid.org/0000-0001-8110-5194"]},"institutions":[{"id":"https://openalex.org/I71052956","display_name":"University of Reading","ror":"https://ror.org/05v62cm79","country_code":"GB","type":"education","lineage":["https://openalex.org/I71052956"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"H. C. Davies","raw_affiliation_strings":["UK Universities' Atmospheric Modelling Group and Department of Geophysics, University of Reading"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UK Universities' Atmospheric Modelling Group and Department of Geophysics, University of Reading","institution_ids":["https://openalex.org/I71052956"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I71052956"],"apc_list":{"value":4320,"currency":"USD","value_usd":4320},"apc_paid":null,"fwci":0.4099,"has_fulltext":false,"cited_by_count":594,"citation_normalized_percentile":{"value":0.5603122,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"104","issue":"439","first_page":"31","last_page":"38"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","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"}},"topics":[{"id":"https://openalex.org/T10466","display_name":"Meteorological Phenomena and Simulations","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/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.0017000000225380063,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11483","display_name":"Tropical and Extratropical Cyclones Research","score":0.00019999999494757503,"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/omega-equation","display_name":"omega equation","score":0.9319999814033508},{"id":"https://openalex.org/keywords/quasi-geostrophic-dynamics","display_name":"quasi-geostrophic dynamics","score":0.8949999809265137},{"id":"https://openalex.org/keywords/geostrophic-balance","display_name":"geostrophic balance","score":0.8209999799728394},{"id":"https://openalex.org/keywords/ageostrophic-motion","display_name":"ageostrophic motion","score":0.8460000157356262},{"id":"https://openalex.org/keywords/vorticity-advection","display_name":"vorticity advection","score":0.8159999847412109},{"id":"https://openalex.org/keywords/temperature-advection","display_name":"temperature advection","score":0.968999981880188},{"id":"https://openalex.org/keywords/frontal-systems","display_name":"frontal systems","score":0.7279999852180481}],"concepts":[{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.8630878925323486},{"id":"https://openalex.org/C133877212","wikidata":"https://www.wikidata.org/wiki/Q929043","display_name":"Geostrophic wind","level":2,"score":0.8574768304824829},{"id":"https://openalex.org/C5072599","wikidata":"https://www.wikidata.org/wiki/Q379788","display_name":"Advection","level":2,"score":0.7027759552001953},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.6916311979293823},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.6044748425483704},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5116848945617676},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45144152641296387},{"id":"https://openalex.org/C200114574","wikidata":"https://www.wikidata.org/wiki/Q1143513","display_name":"Vorticity","level":3,"score":0.41423362493515015},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3553708493709564},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.298322856426239},{"id":"https://openalex.org/C49204034","wikidata":"https://www.wikidata.org/wiki/Q52139","display_name":"Climatology","level":1,"score":0.2700529098510742},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.20056059956550598},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16528275609016418},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.0748622715473175},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1002/qj.49710443903","doi":"https://doi.org/10.1002/qj.49710443903","is_oa":false,"landing_page_url":"https://doi.org/10.1002/qj.49710443903","pdf_url":null,"source":{"id":"https://openalex.org/S70522100","display_name":"Quarterly Journal of the Royal Meteorological Society","issn_l":"0035-9009","issn":["0035-9009","1477-870X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quarterly Journal of the Royal Meteorological Society","raw_type":"journal-article"},{"id":"doi:10.1256/smsqj.43902","doi":"https://doi.org/10.1256/smsqj.43902","is_oa":false,"landing_page_url":"https://doi.org/10.1256/smsqj.43902","pdf_url":null,"source":{"id":"https://openalex.org/S70522100","display_name":"Quarterly Journal of the Royal Meteorological Society","issn_l":"0035-9009","issn":["0035-9009","1477-870X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quarterly Journal of the Royal Meteorological Society","raw_type":"journal-article"},{"id":"mag:2289998119","doi":null,"is_oa":false,"landing_page_url":"http://marrella.meteor.wisc.edu/Hoskins_etal_1978.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1978241036","https://openalex.org/W1979860080","https://openalex.org/W2049013218","https://openalex.org/W2058064861","https://openalex.org/W2084698730","https://openalex.org/W2117586570"],"related_works":["https://openalex.org/W2173995741","https://openalex.org/W7035937731","https://openalex.org/W2109404273","https://openalex.org/W2186341668","https://openalex.org/W2172580218","https://openalex.org/W2122651340","https://openalex.org/W2180849242","https://openalex.org/W2883729106","https://openalex.org/W2059682899"],"abstract_inverted_index":{"Abstract":[0],"In":[1],"the":[2,7,9,18,48,70,86,90,107,115,129,132],"conventional":[3],"quasi\u2010geostrophic":[4],"form":[5],"of":[6,11,20,31,45,72,89,106,110,114,128,134],"\u2018omega\u2019\u2010equation,":[8],"forcing":[10,56,109],"vertical":[12],"velocity":[13],"is":[14,36,67,77,139],"usually":[15],"expressed":[16],"as":[17],"sum":[19],"two":[21],"terms":[22],"associated":[23],"respectively":[24],"with":[25],"vorticity":[26],"and":[27,38],"temperature":[28],"advection.":[29],"Consideration":[30],"each":[32],"term":[33,75],"in":[34,51,58,79,92,131],"isolation":[35],"misleading":[37],"there":[39],"can":[40],"be":[41],"a":[42,62,101,135,142],"large":[43],"degree":[44],"cancellation.":[46],"On":[47],"other":[49],"hand,":[50],"Sutcliffe's":[52],"development":[53],"theory,":[54],"this":[55,66,124],"is,":[57],"effect,":[59],"represented":[60],"by":[61],"single":[63],"term.":[64],"However,":[65],"achieved":[68],"at":[69],"expense":[71],"neglecting":[73],"another":[74],"which":[76,93],"dominant":[78],"frontal":[80],"regions.":[81],"An":[82,126],"investigation,":[83],"based":[84],"upon":[85],"governing":[87],"equations,":[88],"manner":[91],"geostrophic":[94,108],"balance":[95],"tends":[96],"to":[97],"destroy":[98],"itself,":[99],"reveals":[100],"simple,":[102],"concise,":[103],"one\u2010term":[104],"representation":[105],"ageostrophic":[111],"motion.":[112],"Many":[113],"traditional":[116],"synoptic":[117],"rules":[118],"are":[119],"then":[120],"simple":[121],"deductions":[122],"from":[123],"theory.":[125],"application":[127],"theory":[130],"case":[133],"rapidly":[136],"developing":[137],"system":[138],"demonstrated":[140],"using":[141],"700mb":[143],"chart.":[144]},"counts_by_year":[{"year":2026,"cited_by_count":21},{"year":2025,"cited_by_count":20},{"year":2024,"cited_by_count":22},{"year":2023,"cited_by_count":21},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":35},{"year":2020,"cited_by_count":21},{"year":2019,"cited_by_count":28},{"year":2018,"cited_by_count":21},{"year":2017,"cited_by_count":24},{"year":2016,"cited_by_count":17},{"year":2015,"cited_by_count":27},{"year":2014,"cited_by_count":23},{"year":2013,"cited_by_count":18},{"year":2012,"cited_by_count":15}],"updated_date":"2026-11-14T11:04:58.165337","created_date":"2016-06-24T00:00:00"}
