JPL Technical Report Server

The Abundances of Methane and Ortho/Para Hydrogen in Uranus and Neptune: Implications of New Laboratory 4-0 H<sub>2</sub> Quadrapole Line Parameters

Show simple item record

dc.contributor.author Baines, K. en_US
dc.contributor.author Mickelson, M. en_US
dc.contributor.author Larson, L. en_US
dc.contributor.author Ferguson, D. en_US
dc.date.accessioned 2004-10-05T05:12:56Z
dc.date.available 2004-10-05T05:12:56Z
dc.date.issued 1994
dc.identifier.clearanceno 94-1055
dc.identifier.uri http://hdl.handle.net/2014/33121
dc.description.abstract The tropospheric methane molar fraction (f<sub>CH4,t</sub>) and the ortho/para hydrogen ratio are derived for Uranus and Neptune based on new determinations of spectroscopic parameters for key hydrogen features as reported by Ferguson et al. (1993, J. Mol. Spec 160, 315-325). For each planet, the relatively weak laboratory linestrengths (approximately 30% and 15% less than the theoretical 4-0 S(0) and S(1) linestrengths, respectively) results, when compared to analyses adopting theoretical values, in a ~30% decrease in the tropospheric methane ratio and a comparable increase in the pressure level of the optically-thick cloudtop marking the bottom of the visible atmosphere (P<sub>cld</sub>). en_US
dc.format.extent 1528990 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other Uranus atmosphere; Neptune atmosphere; abundances atmospheres; atmospheres composition; atmospheres structure en_US
dc.title The Abundances of Methane and Ortho/Para Hydrogen in Uranus and Neptune: Implications of New Laboratory 4-0 H<sub>2</sub> Quadrapole Line Parameters en_US


Files in this item

This item appears in the following Collection(s)

Show simple item record

Search


Browse

My Account