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Angular momentum transports by moving spiral waves
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ABSTRACT
Theoretical results based on the shallow water equations show that outgoing spiral waves generated by a nonaxisymmetric vortex can effectively remove angular momentum from the vortex, and the removal rate is sensitive to the strength of the vortex. When the model is applied to tropical cyclones, the results suggest that radiation of spiral waves may play a noticeable role in the total angular momentum budget of the core and affect the intensification of a tropical cyclone.
An Eliassen-Palm relation is derived for the shallow water equations. It shows that the total angular momentum ...
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The Annual Cycle of the Axial Angular Momentum of the Atmosphere
; ...analyses of the annual cycle of the axial angular momentum (AAM) are extended to include mass...transports as observed, and to establish angular momentum budgets for various control volumes...annual cycle of the zonally averaged angular momentum is large in the latitude belt 20...
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CO(2)-induced changes in atmospheric angular momentum in CMIP2 experiments
; ABSTRACT The response of atmospheric angular momentum to a gradual doubling of CO2 is studied...Intercomparison Project (CMIP2). The relative angular momentum associated with atmospheric zonal...troposphere. The change in the omega angular momentum associated with the surface pressure...
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Covariance analysis of the global atmospheric axial angular momentum budget
; ...budget equation for the global axial angular momentum M, the related covariance equations...to study the response of the global angular momentum to the forcing by mountain and friction...climatology of the atmosphere's axial angular momentum M and of the related orographic and...
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A Stochastic Model for the Angular Momentum Budget of Latitude Belts
; ...of Weickmann et al. for the global angular momentum budget is modified to become applicable...is added for the flux divergence of angular momentum in a belt. The friction torque T^sub...be purely damping with respect to angular momentum M. The mountain torque T^sub o^ is...
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Evolution of Low-Level Angular Momentum in the 2 June 1995 Dimmitt, Texas, Tornado Cyclone
; ...tornado and characterized by increasing angular momentum with increasing radius. Its life cycle...with somewhat differing evolution of angular momentum, herein called intensifying, transition...tornado. The azimuthally averaged angular momentum increased monotonically away from...
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Angular momentum of beta-plane flows
; ...equations for the total angular momentum vector M are derived...component M^sub z^ of angular momentum that a prognostic equation...integrations of the shallow water equations are performed...these points. The total angular momentum is evaluated for localized...Wilson, ...
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Latitude-Height Structure of the Atmospheric Angular Momentum Cycle Associated with the Madden-Julian Oscillation
; ABSTRACT The angular momentum cycle of the Madden-Julian oscillation...regressing the zonally averaged axial angular momentum (AAM) budget including fluxes...spectral peak of global axial angular momentum (AAM) observed near the 50-day...
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The dynamics associated with equatorial atmospheric angular momentum in an aquaplanet GCM
; ...equatorial atmospheric angular momentum (EAAM) fluctuations in...rotational mode of the shallow water model on the sphere. Fluctuations...fluctuations of the atmospheric angular momentum vector have concentrated...for limiting atmospheric angular momentum research to ...
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CO(2)-induced changes in atmospheric angular momentum
; ...increase in atmospheric angular momentum (AAM) with a gradual increase...component, known as the relative angular momentum, that changes more in the...16 models, the relative angular momentum increases with increasing...
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'Shallow water blackout' can be fatal
; ...way to prevent a phenomenon called "shallow water blackout." It happens when swimmers...at least four deaths attributed to shallow water blackouts at pools nationwide this...State College. He created a video about shallow water blackout for insurance companies to...
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