A5075143157- Soil and Water Nutrient Dynamics
- Soil erosion and sediment transport
- Hydrology and Watershed Management Studies
- Soil Carbon and Nitrogen Dynamics
- Phosphorus and nutrient management
- Wastewater Treatment and Nitrogen Removal
- Constructed Wetlands for Wastewater Treatment
- Soil and Unsaturated Flow
- Groundwater and Isotope Geochemistry
- Peatlands and Wetlands Ecology
- Hydrology and Sediment Transport Processes
- Wastewater Treatment and Reuse
- Groundwater flow and contamination studies
- Urban Stormwater Management Solutions
- Soil Geostatistics and Mapping
- Soil Management and Crop Yield
- Heavy metals in environment
- Clay minerals and soil interactions
- Coastal wetland ecosystem dynamics
- Soil Mechanics and Vehicle Dynamics
- Soil Moisture and Remote Sensing
- Pharmaceutical and Antibiotic Environmental Impacts
- Viral gastroenteritis research and epidemiology
- Anaerobic Digestion and Biogas Production
- Karst Systems and Hydrogeology
Teagasc - The Irish Agriculture and Food Development Authority
2015-2024
Ollscoil na Gaillimhe – University of Galway
2008-2023
Queen's University Belfast
2016
Environmental Development Centre
2013
Wexford General Hospital
2012
Agri Food and Biosciences Institute
2008
Due to population growth and expanding economic activities, waste generation is on the increase globally. Reuse of or by-products in agriculture as biostimulants fertilizers contributes a circular economy. In recent years, there has been an increasing number studies organic waste-derived market for these products expanding. Many have addressed development from various wastes by-products. It worth noting that different types exhibit compositions key mechanisms when used biostimulants, which...
Within agricultural watersheds suspended sediment-discharge hysteresis during storm events is commonly used to indicate dominant sediment sources and pathways. However, availability of high-resolution data, qualitative metrics, longevity records, simultaneous multiwatershed analyses has limited the efficacy as a management tool. This two year study utilizes quantitative index from discharge data assess fluctuations in source location, delivery mechanisms export efficiency three intensively...
Identifying critical source areas (CSAs) of diffuse pollution in agricultural catchments requires the accurate identification hydrologically sensitive (HSAs) at highest propensity for generating surface runoff and transporting pollutants. A new GIS-based HSA Index is presented that improves HSAs sub-field scale by accounting microtopographic controls. The based on high resolution LiDAR data a soil topographic index (STI) also considers hydrological disconnection overland flow via impediment...
Defining critical source areas (CSAs) of diffuse pollution in agricultural catchments depends upon the accurate delineation hydrologically sensitive (HSAs) at highest risk generating surface runoff pathways. In topographically complex landscapes, this is constrained by digital elevation model (DEM) resolution and influence microtopographic features. To address this, optimal DEM resolutions point densities for spatially modelling HSAs were investigated, onward use delineating CSAs. The...
Abstract. Nitrate (NO3−) contamination of groundwater associated with agronomic activity is major concern in many countries. Where agriculture, thin free draining soils and karst aquifers coincide, highly vulnerable to nitrate contamination. As residence times denitrification potential such systems are typically low, can discharge surface waters unabated. However, also react quickest agricultural management changes that aim improve water quality. In response storm events, concentrations...