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Fine-sediment Dynamics; Towards an Improved understanding of sediment...
Using Ells River, Alberta, Canada bed sediments, this study aims to determine (1) the erosion, transport, and deposition characteristics of cohesive bottom sediments, and (2)... -
Evaluation of the particle infiltration efficiency of three passive samplers...
Highlights •The particle infiltration efficiencies (PIEs) of 4 common air samplers were evaluated. •Online spectrophotometer was used to measure PIEs for ambient 250–4140 nm... -
Estimates of Exceedances of Critical Loads for Acidifying Deposition in...
Estimates of potential harmful effects on ecosystems in the Canadian provinces of Alberta and Saskatchewan due to acidifying deposition were calculated, using a 1-year... -
Erosion potential of dynamic ice breakup in Lower Athabasca River. Part II;...
Highlights •Methodology is developed for analysis of unique field data set on ice breakup processes. •Analysis quantifies key hydrodynamic variables during the breakup event.... -
Erosion potential of dynamic ice breakup in Lower Athabasca River. Part I;...
Highlights •Can dynamic ice breakup in lower Athabasca River generate large erosional forces? •Two-season field study furnishes unique spatiotemporal variations of water level.... -
Episodic acidification of 5 rivers in Canada's oil sands during snowmelt; a...
Highlights • Surface water acidification during snowmelt was assessed using 25 years of automated data from Canada’s oil sands region. • Surface water acidification occurred in... -
Emissions Preparation and Analysis for Multiscale Air Quality Modelling over...
The oil sands (OS) of Alberta, Canada, which are classified as unconventional oil, are the third-largest oil reserves in the world. We describe here a 6-year effort to improve... -
Emissions databases for polycyclic aromatic compounds in the Canadian...
wo speciated and spatially resolved emissions databases for polycyclic aromatic compounds (PACs) in the Athabasca oil sands region (AOSR) were developed. The first database was... -
Elevated exposure, uptake and accumulation of polycyclic aromatic...
Highlights • Exposure of nestling tree swallows to PACs examined in the Athabasca Oil Sands • A complex mixture of 41 PACs detected in chicks' feces and accumulated in muscle •... -
Effects of projected climate on the hydrodynamic and sediment transport...
The potential effects of climate change on the hydrodynamic and sediment transport regime of the lower Athabasca River (LAR) in Alberta, Canada, is investigated. Future climate... -
Predictive Models for Estimating the Cumulative Effects of Human Development...
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Effects of multi-well plate incubation on embryo-larval development in the...
Fathead minnow embryos and larvae are frequently used in toxicology, including short-term embryo-only tests which often use small volumes of test solution. The effect that such... -
Ecological monitoring through harmonizing existing data; Lessons from the...
To accomplish the objectives of a long-term ecological monitoring program (LTEM), repurposing research data collected by other researchers is an alternative to original data... -
Dry deposition of reactive nitrogen from satellite observations of ammonia...
Reactive nitrogen (Nr) is an essential nutrient to plants and a limiting element for growth in many ecosystems, but it can have harmful effects on ecosystems when in excess. -
Dry deposition of polycyclic aromatic compounds to various land covers in...
A framework was developed to estimate dry deposition of polycyclic aromatic compounds (PACs), including 17 polycyclic aromatic hydrocarbons (PAHs), 21 alkylated PAHs, and 5... -
Does expected future landscape condition support proposed population...
Highlights • Analysis of future habitat supply and population size for priority landbirds. • ALCES® landscape simulation model and statistical bird habitat models in BCR 6. •... -
Differential effects of high atmospheric N and S deposition on bog...
Oil extraction and development activities in the Athabasca Oil Sands Region of northern Alberta, Canada, release NOx, SOx, and NHy to the atmosphere, ultimately resulting in... -
Differences between Measured and Reported Volatile Organic Compound...
Validation of volatile organic compound (VOC) emission reports, especially from large industrial facilities, is rarely attempted. Given uncertainties in emission reports, their... -
Determining air pollutant emission rates based on mass balance using...
Top-down approaches to measure total integrated emissions provide verification of bottom-up, temporally resolved, inventory-based estimations. Aircraft-based measurements of air... -
Cross-track Infrared Sounder (CrIS) satellite observations of tropospheric ammonia
Observations of atmospheric ammonia are important in understanding and modelling the impact of ammonia on both human health and the natural environment.