Search
Now showing items 1-10 of 64
STATISTICAL MODELING OF ATLANTIC HURRICANE ACTIVITY USING ATMOSPHERIC REANALYSES AND IPCC SIMULATIONS AND PROJECTIONS
(2013)
Atlantic hurricane activity has increased in recent decades leading to extensive investigation of its links with rising greenhouse gases (GHG). The International Panel on Climate Change (IPCC) is investigating how ...
APPLICATION OF NEURAL NETWORKS TO EMULATION OF RADIATION PARAMETERIZATIONS IN GENERAL CIRCULATION MODELS
(2012)
A novel approach based on using neural network (NN) techniques for approximation of physical components of complex environmental systems has been applied and further developed in this dissertation. A new type of a numerical ...
TROPOSPHERIC OZONE AND ITS RADIATIVE EFFECTS DUE TO ANTHROPOGENIC AND LIGHTNING EMISSIONS: GLOBAL AND REGIONAL MODELING
(2012)
We analyze the contribution of North American (NA) lightning and anthropogenic emissions to summertime ozone concentrations, radiative forcing, and exports from North America using the global University of Maryland chemistry ...
FIELD OBSERVATIONS AND MODEL SIMULATIONS OF LOW-LEVEL FLOWS OVER THE MID-ATLANTIC DURING AUGUST 1-5, 2006
(2012)
For years, basic mountain, sea breeze, and low-level jet (LLJ) circulations have been studied, usually in locations with a high frequency of occurrence, sharp gradients, or significant geographic prominence. However, there ...
A STUDY OF REMOTELY SENSED AEROSOL PROPERTIES FROM GROUND-BASED SUN AND SKY SCANNING RADIOMETERS
(2012)
Aerosol particles impact human health by degrading air quality and affect climate by heating or cooling the atmosphere. The Indo-Gangetic Plain (IGP) of Northern India, one of the most populous regions in the world, ...
ON THE RAPID INTENSIFICATION OF HURRICANE WILMA (2005)
(2012)
Previous studies have focused mostly on the roles of environmental factors in the rapid intensification (RI) of tropical cyclones (TCs) due to the lack of high-resolution data in the inner-core regions. In this study, we ...
ADVANCES IN SEQUENTIAL DATA ASSIMILATION AND NUMERICAL WEATHER FORECASTING: AN ENSEMBLE TRANSFORM KALMAN-BUCY FILTER, A STUDY ON CLUSTERING IN DETERMINISTIC ENSEMBLE SQUARE ROOT FILTERS, AND A TEST OF A NEW TIME STEPPING SCHEME IN AN ATMOSPHERIC MODEL
(2012)
This dissertation deals with aspects of sequential data assimilation (in particular ensemble Kalman filtering) and numerical weather forecasting.
In the first part, the recently formulated Ensemble Kalman-Bucy (EnKBF) ...
RADIATIVE FLUXES AND ALBEDO FEEDBACK IN POLAR REGIONS
(2011)
The Arctic is experiencing an unprecedented increase in surface temperature and decrease in sea ice extent. Discussion as to the causes that contribute to the Arctic warming is still ongoing. The ice-albedo feedback has ...
ESTIMATING SURFACE LONGWAVE RADIATION AND APPLICATIONS TO HIGH LATITUDE ISSUES
(2012)
Two models, with distinct advantages for calculating downwelling surface longwave (DSLW) radiation under all sky conditions are presented. Both models are driven with a combination of Moderate Resolution Imaging Spectroradiometer ...
IMPACTS OF FAIR-WEATHER CUMULUS CLOUDS, BAY BREEZES, AND LAND USE ON URBAN AIR QUALITY AND CLIMATE
(2011)
Fair-weather cumulus clouds, bay breezes, and land use influence air quality and climate. The impacts of urban land surface changes and model resolution on fair-weather cumulus clouds, bay breezes, air quality, and climate ...