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First Results from the Oil Sands Passive Air Monitoring Network for...
Results are reported from an ongoing passive air monitoring study for polycyclic aromatic compounds (PACs) in the Athabasca oil sands region in Alberta, Canada. Polyurethane... -
First full annual cycle tracking of a declining aerial insectivorous bird,...
Over one third of North American bird species are in decline, and for many species, we still lack fundamental biogeographic information such as migration routes and nonbreeding... -
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)... -
Exploring the complexity of oil sands process-affected water by high...
Approximately 1 billion m3 of oil sands process-affected water (OSPW) is currently stored in tailings ponds in Northern Alberta, Canada. The dissolved organic compounds in OSPW... -
Experimentally derived detection distances from audio recordings and human...
Point counts are one of the most commonly used methods for assessing bird abundance. Autonomous recording units (ARUs) are increasingly being used as a replacement for human-... -
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... -
Evaluating time removal models for estimating availability of boreal birds...
We used conventional and finite mixture removal models with and without time-varying covariates to evaluate availability given presence for 152 bird species using data from... -
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.... -
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... -
Enhanced characterization of oil sands acid-extractable organics fractions...
The open pit oil sands mining operations north of Fort McMurray, Alberta, Canada, are accumulating tailings waste at a rate approximately equal to 4.9 million m3/d. Naphthenic... -
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... -
Effects of Extraction pH on the Fourier Transform Ion Cyclotron Resonance...
A comparison of the acidic and basic extracts of oil sands process water (OSPW) was performed using positive- and negative-ion electrospray ionization (ESI) and atmospheric... -
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.