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Oliver Weber

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Revealing Groundwater’s Denitrification Capacity

August 2020

A new way to measure denitrification in groundwater has been proved, and could make analysing groundwater’s denitrification capacity more accessible for regional councils and farmers. The new method for measuring excess nitrogen could be used to locate and characterise groundwater denitrification sites, so spatial variability of sites and rates can be mapped. Identifying the location and efficiency of groundwater denitrification sites can result in more effective nutrient loss regulations, more strategic nitrogen loss mitigation measures and improved land management

Research Findings Brief prepared by Our Land and Water

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Source: Assessment of excess N2 for quantifying actual denitrification in New Zealand groundwater systems, Journal of Hydrology 2019; 58(1):1-17.
Quantifying actual denitrification in groundwater systems, NZ Hydrological Society Annual Conference 2019.
Measurement of neon in groundwaters for quantification of denitrification in aquifers, GNS Science Report 2018/34. doi: 10.21420/FR4XJ821
Benign denitrification in shallow groundwaters, Land Use and Water Quality Conference 2019.
Water quality issues facing dairy farming: potential natural and built attenuation of nitrate losses in sensitive agricultural catchments, Animal Production Science 2019; 60(1): 67-77. doi: 10.1071/AN19142

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