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Modelling soil phosphorus decline: Expectations of Water Framework Directive policies
Depletion of plant-available soil phosphorus (P) from excessive to agronomically optimum levels is a measure being implemented in Ireland to reduce the risk of diffuse P transfer from land to water.… Expand
Spatial and temporal variations in groundwater nitrate at an intensive dairy farm in south-east Ireland: insights from stable isotope data
Abstract Achievement of at least “good ecological status” in all waterbodies under the EU Water Framework Directive by 2015 will in some cases be a challenge. The twin challenge is to manage… Expand
Nitrate removal rate, efficiency and pollution swapping potential of different organic carbon media in laboratory denitrification bioreactors.
Abstract Laboratory denitrifying bioreactors, which use an organic carbon (C) rich media to enhance microbial reduction of nitrate (NO 3 − ) to nitrogen (N) gases, are used worldwide to protect… Expand
Denitrification and indirect N₂O emissions in groundwater: hydrologic and biogeochemical influences.
- M. Jahangir, P. Johnston, +6 authors K. Richards
- Environmental Science, Medicine
- Journal of contaminant hydrology
- 1 September 2013
Identification of specific landscape areas with high and low groundwater denitrification potential is critical for improved management of agricultural nitrogen (N) export to ground and surface waters… Expand
Uncertainty-based assessment of tracer selection, tracer non-conservativeness and multiple solutions in sediment fingerprinting using synthetic and field data
- S. C. Sherriff, S. Franks, J. Rowan, O. Fenton, D. Ó’hUallacháin
- Journal of Soils and Sediments
- 2 April 2015
PurposeModification of sediment properties used in fingerprinting applications occurs along transport pathways as a result of particle size and organic matter enrichment/depletion, and geochemical… Expand
Carbon and nitrogen dynamics and greenhouse gas emissions in constructed wetlands treating wastewater: a review
Abstract. The removal efficiency of carbon (C) and nitrogen (N) in constructed wetlands (CWs) is very inconsistent and frequently does not reveal whether the removal processes are due to physical… Expand
Storm Event Suspended Sediment-Discharge Hysteresis and Controls in Agricultural Watersheds: Implications for Watershed Scale Sediment Management.
- S. C. Sherriff, J. Rowan, +4 authors D. Ó. hUallacháin
- Environmental Science, Medicine
- Environmental science & technology
- 2 February 2016
Within agricultural watersheds suspended sediment-discharge hysteresis during storm events is commonly used to indicate dominant sediment sources and pathways. However, availability of… Expand
Optimizing nitrate removal and evaluating pollution swapping trade-offs from laboratory denitrification bioreactors
Abstract Denitrification bioreactors, typically containing woodchips, are artificial sinks used to remediate nitrate (NO 3 − ) losses on agricultural landscapes. Analysis of these bioreactors… Expand
Groundwater: A pathway for terrestrial C and N losses and indirect greenhouse gas emissions
Abstract Estimating losses of dissolved carbon (C) and nitrogen (N) via groundwater in an agricultural system provides insights into reducing uncertainties in the terrestrial C and N balances. In… Expand
Mobilisation or dilution? Nitrate response of karst springs to high rainfall events
Nitrate (NO 3 − ) contamination of groundwater associated with agronomic activity is of major concern in many countries. Where agriculture, thin free draining soils and karst aquifers coincide,… Expand