R. E. Thorman
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Challenges of accounting nitrous oxide emissions from agricultural crop residues Open
Crop residues are important inputs of carbon (C) and nitrogen (N) to soils and thus directly and indirectly affect nitrous oxide (N 2 O) emissions. As the current inventory methodology considers N inputs by crop residues as the sole determ…
View article: GREENHOUSE GAS AND AMMONIA EMISSION MITIGATION PRIORITIES FOR UK POLICY TARGETS
GREENHOUSE GAS AND AMMONIA EMISSION MITIGATION PRIORITIES FOR UK POLICY TARGETS Open
Agriculture is essential for providing food and maintaining food security while concurrently delivering multiple other ecosystem services. However, agricultural systems are generally a net source of greenhouse gases and ammonia. They, ther…
View article: Does liming grasslands increase biomass productivity without causing detrimental impacts on net greenhouse gas emissions?
Does liming grasslands increase biomass productivity without causing detrimental impacts on net greenhouse gas emissions? Open
Soil acidification has negative impacts on grass biomass production and the potential of grasslands to mitigate greenhouse gas (GHG) emissions. Through a global review of research on liming of grasslands, the objective of this paper was to…
View article: Permanent grasslands in Europe: Land use change and intensification decrease their multifunctionality
Permanent grasslands in Europe: Land use change and intensification decrease their multifunctionality Open
Permanent grasslands cover 34% of the European Union's agricultural area and are vital for a wide variety of ecosystem services essential for our society. Over recent decades, the permanent grassland area has declined and land use change c…
View article: Ammonia and nitrous oxide emission factors for excreta deposited by livestock and land‐applied manure
Ammonia and nitrous oxide emission factors for excreta deposited by livestock and land‐applied manure Open
Manure application to land and deposition of urine and dung by grazing animals are major sources of ammonia (NH 3 ) and nitrous oxide (N 2 O) emissions. Using data on NH 3 and N 2 O emissions following land‐applied manures and excreta depo…
View article: DATAMAN: A global database of nitrous oxide and ammonia emission factors for excreta deposited by livestock and land‐applied manure
DATAMAN: A global database of nitrous oxide and ammonia emission factors for excreta deposited by livestock and land‐applied manure Open
Nitrous oxide (N 2 O), ammonia (NH 3 ), and methane (CH 4 ) emissions from the manure management chain of livestock production systems are important contributors to greenhouse gases (GHGs) and NH 3 emitted by human activities. Several stud…
Global Research Alliance N<sub>2</sub>O chamber methodology guidelines: Recommendations for deployment and accounting for sources of variability Open
Adequately estimating soil nitrous oxide (N 2 O) emissions using static chambers is challenging due to the high spatial variability and episodic nature of these fluxes. We discuss how to design experiments using static chambers to better a…
Global Research Alliance N<sub>2</sub>O chamber methodology guidelines: Design considerations Open
Terrestrial ecosystems, both natural ecosystems and agroecosystems, generate greenhouse gases (GHGs). The chamber method is the most common method to quantify GHG fluxes from soil–plant systems and to better understand factors affecting th…
DataMan: Initial analysis of greenhouse gas emissions from manure management Open
Expected output/benefits\n-- Publicly accessible database on factors influencing GHG from manure management – available for future expansion.\n-- Functional relationships between key variables and emission factors (EFs) identified; mitigat…
Towards Country-Specific Nitrous Oxide Emission Factors for Manures Applied to Arable and Grassland Soils in the UK Open
Nitrous oxide (N2O) emission factors (EFs) were calculated from measurements of emissions from livestock manures applied to UK arable crops and grassland as part of a wider research programme to reduce uncertainty in the UK national agricu…
The contribution of cattle urine and dung to nitrous oxide emissions: Quantification of country specific emission factors and implications for national inventories Open
Urine patches and dung pats from grazing livestock create hotspots for production and emission of the greenhouse gas, nitrous oxide (N2O), and represent a large proportion of total N2O emissions in many national agricultural greenhouse gas…
View article: Model evaluation in relation to soil N2O emissions: An algorithmic method which accounts for variability in measurements and possible time lags
Model evaluation in relation to soil N2O emissions: An algorithmic method which accounts for variability in measurements and possible time lags Open
The loss of nitrogen from fertilised soils in the form of nitrous oxide (N2O) is a side effect of modern agriculture and the focus of many model-based studies. Due to the spatial and temporal heterogeneity of soil N2O emissions, the measur…