Use of Earth Observation (EO) data combined with advanced image processing algorithms for mapping land use/cover distribution and of its changes, occurred from either geo-hazards (mainly fires, floods) or anthropogenic activities (e.g. mining activity, de
Fluvial geochemistry, specifically the impact of metal mining activity and mine tailings dam failures upon fluvial systems. Contaminant metal speciation using Sequential Extraction Procedures (SEPs), the use of Pb isotopes as tracers of metal contaminant
Rates, pattens and controls of fluvial processes; rates of geomorphological change in South Wales valleys & implications for flood prediction and mitigation ; The impact of anthropogenic activities on fluvial processes; ?The impact of Holocene environm
Biogeochemical weathering and mineral formation; Microbe-metal-sediment interaction, transport and deposition; Environmental and hydrological biogeochemistry in glacierised and snow covered environments; Environmental engineering - Bioremediation in s
Geomorphology and sedimentology, especially in the drylands of Australia and southern Africa. Particular research themes include: anabranching rivers; floodplains and floodouts; wetlands in drylands; channel-vegetation interactions; bedrock-influenced riv
Focus on water and health; health impact assessment (with an emphasis on quantitative approaches) and has conducted a number in the area of water supply, stormwater (including sustainable urban drainage systems), wastewater management options and also fl
political-economic drivers behind the development of Payments for Ecosystem Services, and their social and environmental consequences. I am also interested in the wider issues of value and valuation associated with current environmental governance models.
freshwater and marine pollution, conservation and fisheries issues; advising Government and its agencies on a wide range of environment and human health policy and management issues; numerous projects aimed at improving the habitats and water quality o
the response of glaciers in the Himalaya to late Quaternary climate change, quantify the impact on glacier dynamics of the pronounced interaction between high topography and atmospheric circulation systems in the range. Modelling of last glacial maximum,
Catchment microbial dynamics and modelling. Modelling fluxes of indicator bacteria and pathogens - bathing and shellfish harvesting; assess the impacts of potential 'remedial' measures; linking 'catchment flux' models with 'nearshore hydrodynamic' mode
Hydrological Processes, Water Resources and Climate Change impacts. Water sustainability, groundwater, climate change impacts on river regimese in Wales; Extreme events; Stream bank soil pipes and effffects of afforestation; International
Hydrological processes and land-ocean interactions; Sediments and sedimentary processes; Biogeochemical cycles; Aquatic biology and aquatic microbial ecology; Polar Biology. Impacts of hydrological variability on material transfers through the River-
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