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| Aerosol-Cloud-Rainfall interactions over Emission Source regions (ACRES) | |
| 项目编号 | http://gepris.dfg.de/gepris/projekt/348270189 |
| Dr. RibuCherian, Ph.D. (Applicant) | |
| 项目主持机构 | Universität Leipzig |
| 开始日期 | 2017 |
| 英文摘要 | Therelativelyyoungresearchfieldofextrasolarplanetshasrevealedanunexpectedlylargediversityofplanets,whichcouldnotbeforeseenfromstudiesoftheSolarSystem.AftertheastonishingdiscoveryofHotJupiters,whichcannotbeformedwheretheyareobserved,thefindingthatnocleardivisionintorockyandgaseousplanetsisrealized,hasrevolutionizedourunderstandingofplanetaryformationandevolution.Therathercontinuoustransitionbetweenrockyandgaseousplanetsisfoundinthesub-Neptunianmassandradiusregime(M<20M_EarthandR<4R_Earth),andwasidentifiedbyindependentmeasurementsofplanetaryradiusandmass.Theresultingmeandensityofplanetsintheseregimecanbeaccountedforintermsofavarietyofinteriorstructuresbasedonanironcore,arockymantle,possiblyanicelayer,andamoreorlessthickatmosphere,alloftheminproportionsthataredifficulttoconstrain.Theatmospheresoftheseplanetsmayhavedifferentorigins,suchasaccretionfromtheprotoplanetarydisc,sublimationofaccretedices,oroutgassingfromtheinterior.Inthisproject,weaimatunderstandingforwhichdetectedplanetsinthesub-Neptunianmass-radiusregimesecondaryoutgassingfromrockyinteriorsduetomantlemeltingandvolcanismisinprinciplepossible.Furthermore,weareinterestedinunderstandinghowlargetheimpactofinterior-atmospherefeedbacksduetotheoutgassingandsubsequentchangesintheatmosphericconditionsandescapemaybeonthemeasuredplanetaryradius.Wewillexpandmodelsofinteriorstructure,thermalandoutgassingevolution,aswellasatmospheremodelsandapplythemtoobservedplanetsinthesub-Neptunianmass-radiusregime.Theinferredinteriorstructureswillbuildthestartingpointofinvestigationsoftheinteriorthermalevolutionandpotentialoutgassing,aswellasoftheatmospherictemperatureandcomposition.Weexpectthatoutgassingfromtheinterior,ofCO2inparticular,mayleadtoimportantchangesintheatmosphericmass,compositionand,inturn,alsoatmospherictemperatures.Togetherwithcollaborationpartners,wewillexplorewhetherthesemodeledatmospheresaresubjecttostrongatmosphericescape,andunderwhichcircumstancesCO2-outgassingmayalterthelossprocesses.Thefeedbackoftheatmospherictemperatureandmassupontheinteriorevolutionwillbefinallyconsideredbybuildingacoupledinterior-atmospheremodel.Theresultsofthesedetailedmodelcalculationsoftheplanetaryinteriorandatmospherewillbecomparedtotheinitialresultsoftheinteriorstructuremodellingtoshowunderwhichconditionstheseprocessesmaysubstantiallymodifytheapparentplanetaryradius.Thismayallowustoruleoutcertainsolutionsderivedfrominteriorstructuremodelsaloneandtoputadditionalconstraintsonthenatureoftheinvestigatedbodies. |
| 学科分类 | 0805 - 大气科学;08 - 地球科学 |
| 资助机构 | DE-DFG |
| 项目类型 | Research Grants |
| URL | http://gepris.dfg.de/gepris/projekt/348270189 |
| 国家 | DE |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/73674 |
| 推荐引用方式 GB/T 7714 | Dr. RibuCherian, Ph.D. .Aerosol-Cloud-Rainfall interactions over Emission Source regions (ACRES).2017. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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