{"id":"https://openalex.org/W7213356047","doi":"https://doi.org/10.48550/arxiv.2609.13442","title":"Large-scale dynamics of equatorial thermal spots","display_name":"Large-scale dynamics of equatorial thermal spots","publication_year":2026,"publication_date":"2026-09-11","ids":{"openalex":"https://openalex.org/W7213356047","doi":"https://doi.org/10.48550/arxiv.2609.13442"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.13442","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.13442","pdf_url":"https://arxiv.org/pdf/2609.13442","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.13442","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5151784754","display_name":"V. P. Goncharov","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210150607","display_name":"A.M. Obukhov Institute of Atmospheric Physics","ror":"https://ror.org/03snt1857","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210150607","https://openalex.org/I4210163714"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"Goncharov, V. P.","raw_affiliation_strings":["Institute of Atmospheric Physics RAS 109017 Moscow Russia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Atmospheric Physics RAS 109017 Moscow Russia","institution_ids":["https://openalex.org/I4210150607"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5151784754"],"corresponding_institution_ids":["https://openalex.org/I4210150607"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.8877000212669373,"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"}},"topics":[{"id":"https://openalex.org/T10255","display_name":"Oceanographic and Atmospheric Processes","score":0.8877000212669373,"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/T10360","display_name":"Fluid Dynamics and Turbulent Flows","score":0.09589999914169312,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.005799999926239252,"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/rotating-fluids","display_name":"rotating fluids","score":0.5820000171661377},{"id":"https://openalex.org/keywords/coriolis-force","display_name":"Coriolis force","score":0.734000027179718},{"id":"https://openalex.org/keywords/buoyancy","display_name":"buoyancy","score":0.7820000052452087},{"id":"https://openalex.org/keywords/self-similar-solutions","display_name":"self-similar solutions","score":0.753000020980835},{"id":"https://openalex.org/keywords/thermal-contrast","display_name":"thermal contrast","score":0.6729999780654907},{"id":"https://openalex.org/keywords/spot-shape","display_name":"spot shape","score":0.6150000095367432},{"id":"https://openalex.org/keywords/buoyancy-gradient","display_name":"buoyancy gradient","score":0.722000002861023},{"id":"https://openalex.org/keywords/power-law-scaling","display_name":"power-law scaling","score":0.6039999723434448},{"id":"https://openalex.org/keywords/incompressible-fluid","display_name":"incompressible fluid","score":0.5929999947547913},{"id":"https://openalex.org/keywords/thin-spherical-shell","display_name":"thin spherical shell","score":0.5429999828338623}],"concepts":[{"id":"https://openalex.org/C2781255879","wikidata":"https://www.wikidata.org/wiki/Q7580087","display_name":"Spots","level":2,"score":0.7501999735832214},{"id":"https://openalex.org/C538625479","wikidata":"https://www.wikidata.org/wiki/Q6497624","display_name":"Buoyancy","level":2,"score":0.7214000225067139},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.6556000113487244},{"id":"https://openalex.org/C12980444","wikidata":"https://www.wikidata.org/wiki/Q23538","display_name":"Equator","level":3,"score":0.6381000280380249},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5784000158309937},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.5383999943733215},{"id":"https://openalex.org/C204530211","wikidata":"https://www.wikidata.org/wiki/Q752823","display_name":"Thermal","level":2,"score":0.5317999720573425},{"id":"https://openalex.org/C123010829","wikidata":"https://www.wikidata.org/wiki/Q2381018","display_name":"Zonal and meridional","level":2,"score":0.5184000134468079},{"id":"https://openalex.org/C84655787","wikidata":"https://www.wikidata.org/wiki/Q8067817","display_name":"Compressibility","level":2,"score":0.4424999952316284},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.426800012588501},{"id":"https://openalex.org/C137109543","wikidata":"https://www.wikidata.org/wiki/Q554388","display_name":"Temperature gradient","level":2,"score":0.4101000130176544},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.34209999442100525},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.34060001373291016},{"id":"https://openalex.org/C82558694","wikidata":"https://www.wikidata.org/wiki/Q1545619","display_name":"Aspect ratio (aeronautics)","level":2,"score":0.336899995803833},{"id":"https://openalex.org/C2780388253","wikidata":"https://www.wikidata.org/wiki/Q5421508","display_name":"Exponent","level":2,"score":0.3188999891281128},{"id":"https://openalex.org/C2777551076","wikidata":"https://www.wikidata.org/wiki/Q842332","display_name":"Front (military)","level":2,"score":0.31700000166893005},{"id":"https://openalex.org/C197370839","wikidata":"https://www.wikidata.org/wiki/Q6582994","display_name":"Sunspot","level":3,"score":0.3151000142097473},{"id":"https://openalex.org/C145912823","wikidata":"https://www.wikidata.org/wiki/Q113558","display_name":"Dynamics (music)","level":2,"score":0.3138999938964844},{"id":"https://openalex.org/C99844830","wikidata":"https://www.wikidata.org/wiki/Q102441924","display_name":"Scaling","level":2,"score":0.3082999885082245},{"id":"https://openalex.org/C140820882","wikidata":"https://www.wikidata.org/wiki/Q732722","display_name":"Vortex","level":2,"score":0.288100004196167},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.2799000144004822},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2694999873638153},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.2644999921321869},{"id":"https://openalex.org/C61441594","wikidata":"https://www.wikidata.org/wiki/Q132814","display_name":"Evaporation","level":2,"score":0.2623000144958496},{"id":"https://openalex.org/C32848918","wikidata":"https://www.wikidata.org/wiki/Q845789","display_name":"Observable","level":2,"score":0.26190000772476196}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.13442","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.13442","pdf_url":"https://arxiv.org/pdf/2609.13442","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.13442","doi":"https://doi.org/10.48550/arxiv.2609.13442","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.13442","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.13442","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.13442","pdf_url":"https://arxiv.org/pdf/2609.13442","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2410064596","display_name":null,"funder_award_id":"23-17-00273","funder_id":"https://openalex.org/F4320324099","funder_display_name":"Russian Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320324099","display_name":"Russian Science Foundation","ror":"https://ror.org/03y2gwe85"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213356047.pdf","grobid_xml":"https://content.openalex.org/works/W7213356047.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W1999179106","https://openalex.org/W2059662219","https://openalex.org/W2067199134","https://openalex.org/W2891381333","https://openalex.org/W2980165808","https://openalex.org/W3203566312","https://openalex.org/W4243650062","https://openalex.org/W4412980033"],"related_works":["https://openalex.org/W4412980033","https://openalex.org/W4404306358","https://openalex.org/W7082011600","https://openalex.org/W3121395566","https://openalex.org/W2073055215","https://openalex.org/W1987672594","https://openalex.org/W2781769329","https://openalex.org/W2003690272","https://openalex.org/W2027525975","https://openalex.org/W197108939"],"abstract_inverted_index":{"For":[0],"a":[1,4,185,189,220],"model":[2,168],"of":[3,8,17,28,43,49,68,70,79,92,103,175,199,219,232],"thin":[5],"spherical":[6],"layer":[7],"an":[9,132],"incompressible":[10],"rotating":[11],"fluid":[12],"subjected":[13],"to":[14,107,114,130,184,229],"the":[15,26,34,44,47,50,64,71,77,84,90,93,101,104,108,116,122,127,147,151,167,173,197,200,205,211,217,225,230],"action":[16],"Coriolis":[18],"and":[19,36,56,66,141,159,179],"buoyancy":[20,202,222],"forces,":[21],"both":[22],"analytical":[23],"solutions":[24,38,165],"in":[25,166,172],"form":[27,174],"stationary":[29],"thermal":[30,81,177],"spots":[31,51,72,117,123,138,143,156,161],"moving":[32],"along":[33,126],"equator":[35],"self-similar":[37],"are":[39,118,124,169],"found.":[40],"The":[41],"influence":[42],"parameters":[45],"determining":[46,95],"shape":[48],"on":[52,76,89,204],"their":[53,80,96,180],"propagation":[54],"speed":[55,65],"direction":[57,67],"is":[58,61,112,153,194,214],"studied.":[59],"It":[60],"found":[62],"that":[63,134,210],"motion":[69],"depend":[73],"not":[74],"only":[75],"sign":[78],"contrast":[82],"with":[83,188],"background":[85],"flow,":[86],"but":[87],"also":[88],"ratio":[91,102],"semi-axes":[94],"shape.":[97],"In":[98],"particular,":[99],"if":[100],"equatorial":[105,128],"semi-axis":[106],"meridional":[109],"one":[110],"$b/a$":[111],"equal":[113],"$\u03c0/2$,":[115],"at":[119],"rest.":[120],"If":[121],"elongated":[125],"axis":[129],"such":[131],"extent":[133],"$b/a>\u03c0/2$,":[135],"then":[136],"``cold''":[137,160],"move":[139,144,157,162],"westward":[140,158],"``hot''":[142,155],"eastward.":[145,163],"Under":[146],"condition":[148],"$0.747\\leq":[149],"b/a<\u03c0/2$,":[150],"situation":[152],"reversed:":[154],"Self-similar":[164],"realized":[170,215],"strictly":[171],"circular":[176],"spots,":[178],"radius":[181],"varies":[182],"according":[183],"power":[186],"law":[187],"scaling":[190],"exponent":[191],"$k$,":[192],"which":[193],"determined":[195],"by":[196],"behavior":[198],"cross-frontal":[201],"gradient":[203],"spot":[206],"contour.":[207],"We":[208],"note":[209],"regime":[212,226],"$k=1/4$":[213],"under":[216],"assumption":[218],"constant":[221],"gradient,":[223],"while":[224],"$k=1/6$":[227],"corresponds":[228],"conservation":[231],"total":[233],"buoyancy.":[234]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-16T00:00:00"}