# Browse by Subject "Physics, Atmospheric Science"

• (1996)
Recent model predictions indicate that sulfate aerosol particles cause radiative forcing of the same magnitude but of opposite sign than the forcing caused by anthropogenic greenhouse gases. The spatial and temporal ...

application/pdf

PDF (7MB)
• (2004)
Every year, a majority of all Atlantic hurricanes originate from African easterly waves. Yet, less than 20% of all African waves originate tropical cyclones (including hurricanes). It is of interest to investigate if African ...

application/pdf

PDF (20MB)
• (1993)
We investigate the impact of tropical forcing on the predictability of the atmosphere in a two-layer spectral model. The focus is on the improvement of extended range forecasts in the extratropics from knowledge of the ...

application/pdf

PDF (6MB)
• (1997)
Unforced, subcritical nonlinear simulations fail to produce meaningful variability, indicating that forcing is necessary in maintaining the low-frequency variability in the barotropic system under subcritical condition. ...

application/pdf

PDF (8MB)
• (1990)
The first part of this thesis is a study of the dynamics of storm tracks from the perspective of local instability of a class of zonally inhomogeneous basic jet streams. An unstable local mode consists of a group of dominant ...

application/pdf

PDF (8MB)
• (1991)
The principal objective of this study is to determine whether or not the penetration of a passive tracer is analogous to the penetration of a greenhouse-gas-induced heating.

application/pdf

PDF (16MB)
• (1991)
In this thesis, the sensitivity of the Earth's climate is studied by modeling past climatic variations with two-dimensional seasonal energy balance model. This thesis consists of two parts. The first part is a study of the ...

application/pdf

PDF (5MB)
• (1997)
Differences in chemical composition among cloud and fog drops of diverse sizes were investigated at several locations across the United States. Chemical species including acidity, total sulfur (IV), hydrogen peroxide, ...

application/pdf

PDF (9MB)
• (2006)
Global comparison between the MISR and MODIS cloud masks shows large discrepancies over regions dominated by small clouds. This discrepancy was further explored using an ASTER dataset at 15m resolution over the tropical ...

application/pdf

PDF (3MB)
• (2005)
The physical dimensions and onset time of dense fog appeared to be the best predictors of fog duration for all types of fog. Longer lasting events tended to form earlier in the night, to be more opaque and widespread, and ...

application/pdf

PDF (5MB)
• (1982)
Two ensembles of four October 1 to December 10 simulations with a coupled atmosphere-sea ice model are made and a 30-day mean climatic state is calculated for each ensemble for the period of November 11 to December 10. ...

application/pdf

PDF (6MB)
• (1985)
Arakawa and Schubert (1974) developed a cumulus parameterization scheme in a framework that conceptually divides the mutual interaction of the cumulus convection and large-scale disturbance into the categories of large-scale ...

application/pdf

PDF (6MB)
• (1996)
Cyclones are an important feature of the Great Lakes region with significant impacts on ice cover, thermal structure, water quality, aquatic life, shipping, and shoreline property. For this research, a historical cyclone ...

application/pdf

PDF (6MB)
• (2005)
In NH winter, the Pacific storm track tends to reach its maximum intensity during early and late winter, leaving a distinct minimum in January, which is known as "midwinter minimum" (MWMIN) of the Pacific storm track. The ...

application/pdf

PDF (3MB)
• (1979)

application/pdf

PDF (4MB)
• (1993)
We are interested in establishing how the instability properties of the background circulation might be related to the observed intraseasonal variability. We focus on the intraseasonal variability in two Northern Hemispheric ...

application/pdf

PDF (7MB)
• (1992)
The following problems: (1) The effects of wave transience on the propagation of planetary waves in the stratosphere; (2) The coupling of the equatorial and extratropical quasi-biennial oscillations; and (3) The propagation ...

application/pdf

PDF (6MB)
• (1994)
The main objective of this study is to explore the dynamics of storm tracks in the context of a three-layer hemispheric linear-balanced model. We establish first how the instability properties of the relevant background ...

application/pdf

PDF (10MB)
• (1980)
The importance of gust fronts in triggering new storm development is widely recognized. A three-dimensional numerical cloud model developed by Klemp and Wilhelmson is used to study the relationship of new convection to ...

application/pdf

PDF (5MB)
• (1992)
Climatologists have attempted to predict changes in regional climate patterns caused by increasing levels of CO$\sb2$ and other trace gases in the atmosphere. Although the effects of climate are felt at the individual firm ...

application/pdf

PDF (11MB)