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Transition Metal Oxide Nanoparticles Decorated Carbon Nanomaterials as Earth-Abundant Electrocatalysts for Zinc-Air Batteries
DownloadFall 2022
As awareness of global warming increases and the geopolitically influenced energy supply fluctuates, the global economy is in dire need of a transition from fossil fuels to renewable energy sources. Although renewable energies are sustainable and have favorable environmental impacts, they suffer...
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Fall 2014
This thesis is focused on the Si-based anode materials for lithium-ion batteries (LIBs) as well as biomass-derived carbons for LIBs and sodium-ion batteries (NIBs). In our first attempt we investigated the effect of the support growth substrate as well as of aluminum coating layers on the...
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Seeing the forest for the soil: topographic controls on soil carbon dynamics in the boreal mixedwood forest
DownloadFall 2018
Boreal forest soils store an estimated 272 Pg of carbon. Due to a high degree of spatial heterogeneity, there is a wide range in carbon stores in this ecosystem. Changes in topography and forest structure are important to carbon distribution, influencing the soil microclimate and the chemical...
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Sedimentology, diagenesis, and dolomitization of the Brac Formation (Lower Oligocene), Cayman Brac, British West Indies
DownloadFall 2009
The Oligocene Brac Formation is the oldest part of the Bluff Group that is exposed on Cayman Brac. Sediments of the Brac Formation were deposited on a small, open bank in shallow marine waters. Today, the formation is composed of limestone, finely crystalline dolostone, and coarsely crystalline...
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Fall 2013
Boreal peatlands are widely considered as an important carbon sink. Peat moisture is important for controlling carbon sequestration and smouldering combustion. Retrieving surface moisture is of great interest for carbon budget modelling and fire management in peatlands. To monitor at a large...
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Spring 2012
Twelve deep aquifers and 12 aquitards were defined in southwestern Saskatchewan. Four major water types were identified: Type 1 (Ca-SO4) freshwaters, found in Paleozoic aquifers; Type 2 (Na-Cl) brines, found in all aquifers; Type 3 (Na-SO4) waters, mixture of Type 1 and Type 2 waters; and Type 4...
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Regional Groundwater Modelling for Flow Analysis and Investigation of Alternative Water Resources in the Edmonton Region, Alberta, Canada
DownloadFall 2022
Water resources in the Edmonton region are expected to be increasingly threatened by climate change and/or contamination in the coming decades. Currently, the sole source of water for the city of Edmonton is the North Saskatchewan River (NSR). This makes Edmonton vulnerable to changes in water...
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Physics of wastewater flow and pathogen transport processes from a soil-based at-grade effluent treatment system and associated groundwater contamination risks in Alberta, Canada
DownloadSpring 2015
Understanding of wastewater flow and transport processes and treatment effectiveness through the soil-absorption field of soil-based wastewater treatment systems remains a challenge. In addition, Alberta regulators and the on-site wastewater industry wanted to quantify the effectiveness of the...
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Nutrient and carbon export from a tidewater glacier to the coastal ocean in the Canadian Arctic Archipelago
DownloadSpring 2021
As glaciers melt, a range of on-, in-, and under-glacier processes modify and export freshwater and sediments to the ocean. This glacial runoff may influence biological productivity in coastal ecosystems by supplying essential nutrients and labile carbon. Previous studies of glacial meltwater...