Research

        A selection of my work demonstrating my research interests.  Click on any these titles to learn more.


Hydrology

Sediment transport constraints on river response to regulation

Flow and sediment regimes at tributary junctions on a regulated river: impact on sediment residence time and benthic macroinvertebrate communities

Determining lateral migration rates of meandering rivers using fallout radionuclides

• Surficial redistribution of fallout 131iodine in a small temperate catchment

Time and depth scales of fine sediment delivery into gravel stream beds: constraints from fallout radionuclides on fine sediment residence time and delivery

Erosion and physical transport via overland flow of arsenic and lead bound to silt-sized particles 

Impact of Flow Regulation on Near-Channel Floodplain Sedimentation

Evaluating the impacts of impoundment on sediment transport using short-lived fallout nuclides

The use of stream flow routing for direct channel precipitation with isotopically-based hydrograph separations: the role of new water in stormflow generation

Impact of land disturbance on the fate of arsenical pesticides

Landfill-stimulated iron reduction and arsenic release at the Coakley superfund site (NH)

• Fine particle deposition to porous beds

• Measurement of 7Be in soils and sediments by gamma spectroscopy


Geomechanics

Universal behaviour in compressive failure of brittle materials 

On the initiation of shear faults during brittle compressive failure: a new mechanism

Plastic faulting: brittle-like failure under high confinement

• Shear faulting and localized heating in ice: the influence of confinement

• Shear localization in ice: mechanical response and microstructural evolution of P-faulting

Transition in failure mode in ice under low confinement

Limits on rock strength under high confinement