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Tellus 000, 000000 (0000) Printed 13 September 2011 (Tellus LATEX style file v2.2) A new approximation for the dynamics of topographic
 

Summary: Tellus 000, 000000 (0000) Printed 13 September 2011 (Tellus LATEX style file v2.2)
A new approximation for the dynamics of topographic
Rossby waves
By YOSEF ASHKENAZY1
, NATHAN PALDOR2
and YAIR ZARMI1
,
1Solar Energy and Environmental Physics, BIDR, Ben-Gurion University, Midreshet Ben-Gurion, 84990, Israel;
2Institute of Earth Sciences, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
13 September 2011
ABSTRACT
A new theory of non-harmonic topographic Rossby waves over slowly vary-
ing bottom depth of arbitrary, one dimensional, profile is developed based
on the linearized shallow water equations on the f-plane. The theory yields
explicit approximate expressions for the waves' phase speed and for their non-
harmonic cross-slope structure. The analytical expressions are derived in both
Cartesian and Polar coordinates and are verified by comparing them with nu-
merical results obtained by running an ocean general circulation model (the
MITgcm). The proposed approximation may be suitable to study open ocean
and coastal shelf wave dynamics.

  

Source: Ashkenazy, Yossi "Yosef" - Department of Solar Energy and Environmental Physics, Jacob Blaustein Institutes for Desert Research,Ben-Gurion University of the Negev

 

Collections: Physics; Environmental Management and Restoration Technologies