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Tokano, Tetsuya and Lorenz, Ralph D. (2015). Wind-driven circulation in Titan's seas. J. Geophys. Res.-Planets, 120 (1). S. 20 - 34. WASHINGTON: AMER GEOPHYSICAL UNION. ISSN 2169-9100

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Abstract

Circulation in Titan's seas forced by wind is simulated by an ocean circulation model using surface wind data predicted by a global circulation model. Wind-driven circulation is insignificant throughout much of the annual cycle but becomes significant from late spring to late summer, when the wind stress becomes strong. The large-scale circulation in summer is predominantly southward near the sea surface and northward near the sea bottom. The sea surface current can get as fast as 5 cms(-1) in some areas. Titan's rotation affects the vertical structure of sea currents in the form of an Ekman spiral if the wind is strong. The maximum wind setup at the shores is of the same order of magnitude as the tidal range. Wind stirring may reduce thermal stratification in summer but may be unable to destroy stratification of methane-rich liquids on top of ethane-rich liquids that can result from imbalances between evaporation and precipitation.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Tokano, Tetsuya UNSPECIFIED UNSPECIFIED UNSPECIFIED Lorenz, Ralph D. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-417221
DOI:	10.1002/2014JE004751
Journal or Publication Title:	J. Geophys. Res.-Planets
Volume:	120
Number:	1
Page Range:	S. 20 - 34
Date:	2015
Publisher:	AMER GEOPHYSICAL UNION
Place of Publication:	WASHINGTON
ISSN:	2169-9100
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SURFACE; WAVES; DYNAMICS; GROWTH; LAKES Multiple languages Geochemistry & Geophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/41722