Universität zu Köln

Tokano, Tetsuya, Lorenz, Ralph D. and Van Hoolst, Tim ORCID: 0000-0002-9820-8584 (2014). Numerical simulation of tides and oceanic angular momentum of Titan's hydrocarbon seas. Icarus, 242. S. 188 - 202. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE. ISSN 1090-2643

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Abstract

Tides and tidal currents in Titan's hydrocarbon seas are numerically simulated by a 3-dimensional ocean circulation model using a bathymetry map constrained by Cassini. These predictions are used to calculate the tidally induced variations of the oceanic angular momentum of the seas. The tides behave as a quasi-standing wave with anti-nodes at the northern and southern shores. The tidal currents in Kraken Mare are mainly oriented along the major axis of the sea and are dominated by fast hydraulic currents through a narrow strait. The axial oceanic angular momentum primarily changes due to redistribution of liquids in Kraken Mare and maximizes when there is ebb at the northern shore and flood at the southern shore. On the other hand, variations of the equatorial oceanic angular momentum are contributed by both tides and tidal currents. The oceanic torque between sea and sea bottom is minor compared to its atmospheric counterpart, i.e. the mountain torque between atmosphere and mountains. (C) 2014 Elsevier Inc. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Tokano, Tetsuya UNSPECIFIED UNSPECIFIED UNSPECIFIED Lorenz, Ralph D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Van Hoolst, Tim UNSPECIFIED orcid.org/0000-0002-9820-8584 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-424668
DOI:	10.1016/j.icarus.2014.08.021
Journal or Publication Title:	Icarus
Volume:	242
Page Range:	S. 188 - 202
Date:	2014
Publisher:	ACADEMIC PRESS INC ELSEVIER SCIENCE
Place of Publication:	SAN DIEGO
ISSN:	1090-2643
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LENGTH-OF-DAY; TIDAL DISSIPATION; ROTATION; LAKES; TORQUES; CIRCULATION; SURFACE; MOONS Multiple languages Astronomy & Astrophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42466