Heat flows through the ice lithosphere of Europa
Someo f the geologicafle atureso n the surfaceo f Europa'si ce shells uggestth e existenceo f a brittlel ithosphereth ati n somer egionsis no moret han2 km thick.T he surfaceh eatf low neededt o put the brittle-ductiletr ansitionin ice at a deptho f 2 km is at -9 least• -100m W m -, muchh igher...
| Autores: | , |
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| Tipo de documento: | artigo |
| Data de publicação: | 2000 |
| País: | España |
| Recursos: | Universidad Complutense de Madrid (UCM) |
| Repositório: | Docta Complutense |
| Idioma: | inglês |
| OAI Identifier: | oai:docta.ucm.es:20.500.14352/57624 |
| Acesso em linha: | https://hdl.handle.net/20.500.14352/57624 |
| Access Level: | Acceso aberto |
| Palavra-chave: | 523.45 Lithosphere Jupiter Europa Geodinámica 2507 Geofísica |
| Resumo: | Someo f the geologicafle atureso n the surfaceo f Europa'si ce shells uggestth e existenceo f a brittlel ithosphereth ati n somer egionsis no moret han2 km thick.T he surfaceh eatf low neededt o put the brittle-ductiletr ansitionin ice at a deptho f 2 km is at -9 least• -100m W m -, muchh ighert hanp redictedb y tidal heatingm odelsf or a purely conductiviec e shell.A possiblee xplanationlie si n thep robablee xistenceo f a convective layerb eneathth eb rittlel ithospherew, hich,o wingt o tidald issipatioinn warmi ce,c ould contributteo higherh eatf lows.I f a convectives ubsurfaclea yera ndg rains ized ependent flow behavioor f ice area dmittedt,h eg rains izea t brittle-ductilter ansitiond epthc annotb e >1 mm, whichi s consistenwt ith ther equiredv aluef or the onseto f convectionin an ice shell thinner than 20 km. |
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