نتایج جستجو برای: ekman transport

تعداد نتایج: 274862  

Journal: :Journal of Physical Oceanography 2006

2007
ARNOLD L. GORDON

The geostrophic method was applied to six north-south hydrographic profiles across the Caribbean Sea and one across the Yucatan Strait. An axis of flow exists in the southern third of the Caribbean Sea. It flows directly over the steep slope in the reference layer found by Defant's method. This condition is similar to that of the Gulf Stream. The baroclinic mass distribution extends to approxim...

2015
Dacher Keltner Daniel T. Cordaro

August 2015 – Basic Emotion Theory has proven to be a highly fruitful yet controversial set of ideas in the science of emotion, generating vigorous debate over the past 30 years (Barrett, Lindquist, & Gendron, 2007; Ekman, 1992; Ortony & Turner, 1990; Russell, 1994). At its core, Basic Emotion Theory consists of specific theses concerning (1) what the emotions are – in general terms, they are b...

Journal: :Physical review letters 2014
Robert E Ecke Joseph J Niemela

We report experimental measurements of heat transport in rotating Rayleigh-Bénard convection in a cylindrical convection cell with an aspect ratio of Γ=1/2. The fluid is helium gas with a Prandtl number Pr=0.7. The range of control parameters for Rayleigh numbers 4×10^{9}<Ra<4×10^{11} and for Ekman numbers 2×10^{-7}<Ek<3×10^{-5} (corresponding to Taylor numbers 4×10^{9}<Ta<1×10^{14} and convect...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2012
Eric M King Jonathan M Aurnou

We investigate flow structures in rotating Rayleigh-Bénard convection experiments in water using thermal measurements. We focus on correlations between time series measurements of temperature in the top and bottom boundaries. Distinct anticorrelations are observed for rapidly rotating convection, which are argued to attest to heat transport by convective Taylor columns. In support of this argum...

2010
Sukyoung Lee

A two-layer quasi-geostrophic model is used to study the effect of lower boundary Ekman pumping on the energetics of baroclinic waves. Although the direct impact of the Ekman pumping is to damp the total eddy energy, either the eddy available potential energy (EAPE) or the eddy kinetic energy (EKE), individually, can grow due to the Ekman pumping. Growth of EAPE is favored if the phase differen...

Journal: :Journal of Marine Science and Engineering 2023

Upwelling leads to a sharp and strong decrease in water temperature the coastal zone of southeastern Baltic Sea. The quality existing hydrodynamic models cannot fully meet requirements accurate upwelling forecasts. This study provides insight into applicability simplified Ekman criterion method for is ratio vertical velocity duration wind mixed layer density. was determined by divergence integr...

Mohammad Mehdi Mehdizadeh , Mohammad Reza Bannazadeh, Mojgan Ghazi Mirsaeid,

In recent years, the Indian Ocean (IO) has been discovered to have a much larger impact on climate variability than previously thought. This paper reviews processes in which the IO is, or appears to be, actively involved. We begin the mathematical model with a pattern for summer monsoon winds. Three dimensional temperature and velocity fields are calculated analytically for the ocean forced by ...

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