Yufei Zou, Ph.D. in Earth and Atmospheric Sciences

Georgia Tech To Host 2018 Astrobiology Graduate Conference

Melat Hagos, B.S. in Earth and Atmospheric Sciences

Redox-independent chromium isotope fractionation induced by ligand-promoted dissolution

Science Majors Are Among Inaugural Sustainable Undergraduate Research Fellows

AMP-IT-UP Teachers Participate in Gulf of Mexico Research Expedition

Exploiting Subsurface Ocean Dynamics for Decadal Predictability in the Upwelling Systems of the Eastern North Pacific

Given the strong recent interest in the decadal timescale variability and the potential for its predictability, it is critical to identify dynamics that carry inherent decadal-scale predictability. This work enhances our understanding and prediction capability of the subsurface signature of the decadal variability in the eastern North Pacific upwelling systems using reanalysis products and a set of eddy-resolving ocean model simulations.

Tropospheric O3 modeling study: Contributions of anthropogenic and biogenic sources to O3-CO and O3-CH2O correlations

This dissertation employs DISCOVER-AQ aircraft experiments and 3-D chemical and transport model to study the contributions of different sources to the  correlation of O3-CO and O3-CH2O on different scales, and the implements of O3 estimation using the correlations and concentrations of CO and CH2O.

Applications of satellite retrievals in deriving pollutant emissions and trends

This dissertation employs various satellite retrievals and the 3-D Regional chEmical trAnsport Model (REAM) to (1) identify and quantify the emission sources, and (2) derive pollutant trends.

First, we use short-lived reactive aromatics as proxies to diagnose transport of pollutants through the Himalayas to Tibet. We find enhancements of reactive aromatics over Tibet by a factor of 6 on average due to rapid transport from India and nearby regions during the presence of a high-altitude cut-off low system.

A Multiscale Analysis of Heat Transfer in Porous Media

The modeling of thermal convection in porous media is a challenging task due to the inherent structural and thermophysical heterogeneities that permeate over several scales. In the present thesis, we address several issues relevant to buoyancy driven thermal convection in porous media. Our approach is based on establishing a multi-scale framework build on knowledge accrued by theoretical, numerical and experimental methods.


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