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Modeling Lightning in Giant Planetary Atmospheres- [electronic resource]
Modeling Lightning in Giant Planetary Atmospheres- [electronic resource]

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자료유형  
 학위논문
Control Number  
0016931612
International Standard Book Number  
9798379710606
Dewey Decimal Classification Number  
523
Main Entry-Personal Name  
Aglyamov, Youry Salavatovich.
Publication, Distribution, etc. (Imprint  
[S.l.] : Cornell University., 2023
Publication, Distribution, etc. (Imprint  
Ann Arbor : ProQuest Dissertations & Theses, 2023
Physical Description  
1 online resource(165 p.)
General Note  
Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
General Note  
Advisor: Lunine, Jonathan.
Dissertation Note  
Thesis (Ph.D.)--Cornell University, 2023.
Restrictions on Access Note  
This item must not be sold to any third party vendors.
Summary, Etc.  
요약Lightning is observed on all four Solar System giant planets; these observations can illuminate atmospheric structure in unique ways, but this relation requires interpretation. I present a computationally light, one-dimensional model of atmospheric convection and electrification and apply it to the Solar System giant planets. On Jupiter and Saturn, lightning observations are well-matched by the model; on Uranus and Neptune, existing observations are limited to the Voyager 2 flybys, and perspectives for future measurements are described instead. While quantitative results are imprecise, a number of strong qualitative results are demonstrated. On Jupiter, a dissolved antifreeze - presumably ammonia - in the water clouds is necessary to explain lightning observations. The vertically spread lightning distribution of Jupiter is replicated, and predicted to be matched on Saturn, Uranus, and Neptune, though shifted deeper on those planets. The best observable for constraining Jovian and Saturnian water abundance through lightning is the altitude of the deepest flashes. Anhydrous ammonia clouds are not predicted to substantially affect lightning on Jupiter and Saturn, but may play a large role in Uranian and Neptunian lightning, depending on the strength of the triboelectric effect under these conditions. From the model and comparisons to Jupiter, the Uranian and Neptunian lightning sferics observed by Voyager 2 are either deep lightning attenuated by the atmosphere between it and the spacecraft, or horizontally limited shallow lightning; a future Uranus Orbiter could resolve this question by attempting to detect an optical signal.
Subject Added Entry-Topical Term  
Planetology.
Subject Added Entry-Topical Term  
Astronomy.
Subject Added Entry-Topical Term  
Atmospheric sciences.
Index Term-Uncontrolled  
Ammonia
Index Term-Uncontrolled  
Convection
Index Term-Uncontrolled  
Giant planets
Index Term-Uncontrolled  
Juno
Index Term-Uncontrolled  
Lightning
Index Term-Uncontrolled  
Triboelectricity
Added Entry-Corporate Name  
Cornell University Astronomy and Space Sciences
Host Item Entry  
Dissertations Abstracts International. 84-12B.
Host Item Entry  
Dissertation Abstract International
Electronic Location and Access  
로그인을 한후 보실 수 있는 자료입니다.
Control Number  
joongbu:642640

MARC

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■020    ▼a9798379710606
■035    ▼a(MiAaPQ)AAI30316406
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a523
■1001  ▼aAglyamov,  Youry  Salavatovich.▼0(orcid)0000-0002-5104-8077
■24510▼aModeling  Lightning  in  Giant  Planetary  Atmospheres▼h[electronic  resource]
■260    ▼a[S.l.]▼bCornell  University.  ▼c2023
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
■300    ▼a1  online  resource(165  p.)
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  84-12,  Section:  B.
■500    ▼aAdvisor:  Lunine,  Jonathan.
■5021  ▼aThesis  (Ph.D.)--Cornell  University,  2023.
■506    ▼aThis  item  must  not  be  sold  to  any  third  party  vendors.
■520    ▼aLightning  is  observed  on  all  four  Solar  System  giant  planets;  these  observations  can  illuminate  atmospheric  structure  in  unique  ways,  but  this  relation  requires  interpretation.  I  present  a  computationally  light,  one-dimensional  model  of  atmospheric  convection  and  electrification  and  apply  it  to  the  Solar  System  giant  planets.  On  Jupiter  and  Saturn,  lightning  observations  are  well-matched  by  the  model;  on  Uranus  and  Neptune,  existing  observations  are  limited  to  the  Voyager  2  flybys,  and  perspectives  for  future  measurements  are  described  instead.  While  quantitative  results  are  imprecise,  a  number  of  strong  qualitative  results  are  demonstrated.  On  Jupiter,  a  dissolved  antifreeze  -  presumably  ammonia  -  in  the  water  clouds  is  necessary  to  explain  lightning  observations.  The  vertically  spread  lightning  distribution  of  Jupiter  is  replicated,  and  predicted  to  be  matched  on  Saturn,  Uranus,  and  Neptune,  though  shifted  deeper  on  those  planets.  The  best  observable  for  constraining  Jovian  and  Saturnian  water  abundance  through  lightning  is  the  altitude  of  the  deepest  flashes.  Anhydrous  ammonia  clouds  are  not  predicted  to  substantially  affect  lightning  on  Jupiter  and  Saturn,  but  may  play  a  large  role  in  Uranian  and  Neptunian  lightning,  depending  on  the  strength  of  the  triboelectric  effect  under  these  conditions.  From  the  model  and  comparisons  to  Jupiter,  the  Uranian  and  Neptunian  lightning  sferics  observed  by  Voyager  2  are  either  deep  lightning  attenuated  by  the  atmosphere  between  it  and  the  spacecraft,  or  horizontally  limited  shallow  lightning;  a  future  Uranus  Orbiter  could  resolve  this  question  by  attempting  to  detect  an  optical  signal.
■590    ▼aSchool  code:  0058.
■650  4▼aPlanetology.
■650  4▼aAstronomy.
■650  4▼aAtmospheric  sciences.
■653    ▼aAmmonia
■653    ▼aConvection
■653    ▼aGiant  planets
■653    ▼aJuno
■653    ▼aLightning
■653    ▼aTriboelectricity
■690    ▼a0590
■690    ▼a0606
■690    ▼a0725
■71020▼aCornell  University▼bAstronomy  and  Space  Sciences.
■7730  ▼tDissertations  Abstracts  International▼g84-12B.
■773    ▼tDissertation  Abstract  International
■790    ▼a0058
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T16931612▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
■980    ▼a202402▼f2024

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