The system of plate tectonics governs the transport of material between Earth’s interior, hydrosphere, and atmosphere to create a dynamic planetary surface that sustains life. …
This PhD thesis presents a comprehensive exploration of Earth’s upper mantle from global and regional perspectives, with a particular emphasis on the stable cores of …
Stress-reduction, creep, grain-growth, and attenuation experiments were conducted on polycrystalline water ice to examine the links amongst microstructural steady-state, the mechanical response to transient loading, …
Tropical African mountains are particularly sensitive to current and future climate change. Reconstructions of past variations in temperature and precipitation in tropical Africa are useful …
The Indian Summer Monsoon (ISM) is vital to over one-fifths of the world’s population who depend upon monsoonal rains. Recently collected marine sediment cores offer …
The lithosphere-asthenosphere system is one of the most fundamental components of the Earth, as it sustains the existence of plate tectonics and shapes the surface …
Weather and climate affect human health in significant ways. While previous research has established relationships between meteorological hazards and both morbidity and mortality, less is …
Using Rayleigh-wave tomography of noise-removed Ocean Bottom Seismometer (OBS) data from the Cascadia Initiative, we illuminate the structure of the upper mantle beneath the Juan …
Large impact events were a pervasive process in the early Solar System, shaping every planetary surface and creating impact basins that remain observable today. If …
Early humans, or hominins, relied on their East African environment for food, resources, and habitation, but the nature of the relationship between hominins and climate …
Strain localization is the hallmark of plate tectonics. The thesis examines the mechanisms that can lead to strain localization in the mantle, specifically in a …