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In vivo microsampling to capture the elusive exposome
Loss and/or degradation of small molecules during sampling, sample transportation and storage can adversely impact biological interpretation of metabolomics data. In this study,... -
Improving air quality model predictions of organic species using...
his study assesses the impact of revised volatile organic compound (VOC) and organic aerosol (OA) emissions estimates in the GEM-MACH (Global Environmental Multiscale–Modelling... -
Improved satellite retrievals of NO2 and SO2 over the Canadian oil sands and...
Satellite remote sensing is increasingly being used to monitor air quality over localized sources such as the Canadian oil sands. Following an initial study, significantly low... -
Impacts and effects indicators of atmospheric deposition of major pollutants...
HIGHLIGHTS • Atmospheric deposition of major pollutants is briefly reviewed. • Ecosystem impacts from atmospheric deposition are summarized. • Effects indicators from... -
Identification of halogenated polycyclic aromatic hydrocarbons in biological...
Highlights • GC-HR-TOF/MS method was used to identify halogenated compounds in biota. • Three halogenated compounds were positively identified in biological samples. • These... -
How important is biomass burning in Canada to mercury contamination?
Wildfire frequency has increased in past four decades in Canada and is expected to increase in future as a result of climate change (Wotton et al., 2010). Mercury (Hg) emissions... -
High‐Resolution Mapping of Nitrogen Dioxide With TROPOMI; First Results and...
TROPOspheric Monitoring Instrument (TROPOMI), on-board the Sentinel-5 Precurser satellite, is a nadir-viewing spectrometer measuring reflected sunlight in the ultraviolet,... -
Geoscience of Climate and Energy 11. Ambient air quality and linkage to...
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Geoscienc of Climate and Energy 11. Ambient air quality and linkage to...
In 2010, there were 91 active oil sands projects in the Athabasca Oil Sands, Alberta where the Wood Buffalo Environmental Association monitors air quality and related... -
Forestry and conspecifics influence Canada Warbler (Cardellina canadensis)...
The Canada Warbler (Cardellina canadensis) is a threatened species in Canada due to an annual decline of ∼3% over the last 50 yr. Some studies suggest that Canada Warblers... -
Foliage Chemistry of Pinus Banksiana in the Athabasca Oil Sands Region,...
Industrial emissions in the Athabasca Oil Sands Region (AOSR), Alberta, Canada, have caused concerns about the effect of oil sands operations on the surrounding terrestrial... -
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.... -
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....