Devon E. Worth
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View article: Manure storage practices in Canada: farm survey analysis with implications for GHG emissions
Manure storage practices in Canada: farm survey analysis with implications for GHG emissions Open
Manure storage systems enable farmers to apply nutrients at the right time for crop production but are also a source of greenhouse gases. This study analyzed Canadian Farm Management Surveys (conducted in 2017 and 2021) to quantify the pre…
View article: Natural climate solutions for Canada
Natural climate solutions for Canada Open
Canada has natural solutions to support its efforts to tackle climate change: forests, wetlands, grasslands, and agriculture.
View article: Potential Role for Consumers to Reduce Canadian Agricultural GHG Emissions by Diversifying Animal Protein Sources
Potential Role for Consumers to Reduce Canadian Agricultural GHG Emissions by Diversifying Animal Protein Sources Open
The discussion of diversified protein sources triggered by the 2019 Canadian Food Guide has implications for Canada’s livestock industry. In response to this discussion, a scenario analysis is conducted on the potential impact of reducing …
View article: Verifying methane emission estimates from agricultural regions in Eastern Ontario using TROPOMI product
Verifying methane emission estimates from agricultural regions in Eastern Ontario using TROPOMI product Open
<p>The two main sources of CH4 from the agricultural sector are enteric fermentation and manure management systems. Canada uses the IPCC Tier-II methodology to estimate CH4 for its national inventory report of GHG emissions to UNFCCC…
View article: Assessing the effects of manure application rate and timing on nitrous oxide emissions from managed grasslands under contrasting climate in Canada
Assessing the effects of manure application rate and timing on nitrous oxide emissions from managed grasslands under contrasting climate in Canada Open
It is uncertain whether process-based models are currently capable of simulating the complex soil, plant, climate, manure management interactions that influence soil nitrous oxide (N2O) emissions from perennial cropping systems. The object…
View article: District Scale GHG Emission Indicators for Canadian Field Crop and Livestock Production
District Scale GHG Emission Indicators for Canadian Field Crop and Livestock Production Open
The three main farm products from Canadian agriculture, i.e., proteins, vegetable oils, and carbohydrates, account for 98% of the land in annual crops in Canada. The intensities and efficiencies of these field crops in relation to their Gr…
View article: Micrometeorological Measurements Reveal Large Nitrous Oxide Losses during Spring Thaw in Alberta
Micrometeorological Measurements Reveal Large Nitrous Oxide Losses during Spring Thaw in Alberta Open
Agricultural soils in Canada have been observed to emit a large pulse of nitrous oxide (N2O) gas during the spring thaw, representing a large percentage of the annual emissions. We report on three years of spring thaw N2O flux measurements…
View article: The Fossil Energy and CO2 Emissions Budget for the Barnyard Operations of Livestock Farms in Canada
The Fossil Energy and CO2 Emissions Budget for the Barnyard Operations of Livestock Farms in Canada Open
This paper describes fossil fuel energy use for on-farm transportation, heating of farm buildings, electricity generation, machinery supply and the spreading of manure. These four terms describe the barnyard energy budget. Calculations for…
View article: Flux measurements by the NRC Twin Otter atmospheric research aircraft: 1987–2011
Flux measurements by the NRC Twin Otter atmospheric research aircraft: 1987–2011 Open
Over the past 30 years, the Canadian Twin Otter research group has operated an aircraft platform for the study of atmospheric greenhouse gas fluxes (carbon dioxide, ozone, nitrous oxide and methane) and energy exchange (latent and sensible…
View article: The impact of clouds, land use and snow cover on climate in the Canadian Prairies
The impact of clouds, land use and snow cover on climate in the Canadian Prairies Open
This study uses 55 years of hourly observations of air temperature, relative humidity, daily precipitation, snow cover and cloud cover from 15 climate stations across the Canadian Prairies to analyze biosphere-atmosphere interactions. We w…