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Geographic Control of Titan's Mid-Latitude Clouds

Roe, Henry G. and Brown, Michael E. and Schaller, Emily L. and Bouchez, Antonin H. and Trujillo, Chadwick A. (2005) Geographic Control of Titan's Mid-Latitude Clouds. Science, 310 (5747). pp. 477-479. ISSN 0036-8075. doi:10.1126/science.1116760.

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Observations of Titan's mid-latitude clouds from the W. M. Keck and Gemini Observatories show that they cluster near 350°W longitude, 40°S latitude. These clouds cannot be explained by a seasonal shift in global circulation and thus presumably reflect a mechanism on Titan such as geysering or cryovolcanism in this region. The rate of volatile release necessary to trigger cloud formation could easily supply enough methane to balance the loss to photolysis in the upper atmosphere.

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Brown, Michael E.0000-0002-8255-0545
Additional Information:© 2005 American Association for the Advancement of Science. Received for publication 29 June 2005; accepted for publication 30 August 2005. H.G.R. is supported by an NSF Astronomy and Astrophysics Postdoctoral Fellowship (NSF AST-0401559). E.L.S. is supported by an NSF Graduate Research Fellowship. Additional support was provided by an NSF grant to M.E.B. (NSF AST-0307929). The W. M. Keck Observatory is operated as a scientific partnership among the California Institute of Technology, the University of California, and NASA, and made possible by financial support of the W. M. Keck Foundation. The Gemini Observatory is operated by the Association of Universities for Research in Astronomy, under a cooperative agreement with the NSF on behalf of the Gemini partnership: the NSF, the Particle Physics and Astronomy Research Council (UK), the National Research Council (Canada), Comisión Nacional de Investigación Científica y Tecnológica (CONICYT) (Chile), the Australian Research Council (Australia), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) (Brazil), and Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) (Argentina).
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NSF Astronomy and Astrophysics FellowshipAST-0401559
NSF Graduate Research FellowshipUNSPECIFIED
Issue or Number:5747
Record Number:CaltechAUTHORS:20120926-094421870
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34408
Deposited By: Jason Perez
Deposited On:26 Sep 2012 18:04
Last Modified:09 Nov 2021 23:08

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