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Causes of Reduced North Atlantic Storm Activity in a CAM3 Simulation of the Last Glacial Maximum
Publisher: American Meteorological Society
Abstract: The aim of this paper is to determine how an atmosphere with enhanced mean-state baroclinity can support weaker baroclinic wave activity than an atmosphere with weak mean-state baroclinity. As a case study, a Last Glacial ...
What Determines Meridional Heat Transport in Climate Models?
Publisher: American Meteorological Society
Abstract: he annual mean maximum meridional heat transport (MHTMAX) differs by approximately 20% among coupled climate models. The value of MHTMAX can be expressed as the difference between the equator-to-pole contrast in absorbed ...
The Amplitude Asymmetry between Synoptic Cyclones and Anticyclones: Implications for Filtering Methods in Feature Tracking
Publisher: American Meteorological Society
Abstract: The ?background? state is commonly removed from synoptic fields by use of either a spatial or temporal filter prior to the application of feature tracking. Commonly used spatial and temporal filters applied to sea level ...
The Seasonal Cycle of Atmospheric Heating and Temperature
Publisher: American Meteorological Society
Abstract: he seasonal cycle of the heating of the atmosphere is divided into a component due to direct solar absorption in the atmosphere and a component due to the flux of energy from the surface to the atmosphere via latent, ...
Atmospheric and Surface Contributions to Planetary Albedo
Publisher: American Meteorological Society
Abstract: he planetary albedo is partitioned into a component due to atmospheric reflection and a component due to surface reflection by using shortwave fluxes at the surface and top of the atmosphere in conjunction with a simple ...
Tropical Precipitation and Cross-Equatorial Ocean Heat Transport during the Mid-Holocene
Publisher: American Meteorological Society
Abstract: AbstractSummertime insolation intensified in the Northern Hemisphere during the mid-Holocene, resulting in enhanced monsoonal precipitation. In this study, the authors examine the changes in the annual-mean tropical ...
A Moist Static Energy Framework for Zonal-Mean Storm-Track Intensity
Publisher: American Meteorological Society
Abstract: AbstractA moist static energy (MSE) framework for zonal-mean storm-track intensity, defined as the extremum of zonal-mean transient eddy MSE flux, is derived and applied across a range of time scales. According to the ...
Diagnosing Mechanisms of Hydrologic Change under Global Warming in the CESM1 Large Ensemble
Publisher: American Meteorological Society
The Relationship between ITCZ Location and Cross-Equatorial Atmospheric Heat Transport: From the Seasonal Cycle to the Last Glacial Maximum
Publisher: American Meteorological Society
Abstract: he authors quantify the relationship between the location of the intertropical convergence zone (ITCZ) and the atmospheric heat transport across the equator (AHTEQ) in climate models and in observations. The observed zonal ...
Impact of Winds and Southern Ocean SSTs on Antarctic Sea Ice Trends and Variability
Publisher: American Meteorological Society