Browsing Earth and Environmental Sciences by Subject "hydrogeology"
Now showing items 1-15 of 15
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Assessing Sensitivity of Subsurface Mine-Dewatering Activities to Climate Change
(University of Waterloo, 2023-09-01)Underground mining activities require constant removal of groundwater from their void spaces to maintain dry and safely accessible excavations for ore extraction in a process known as dewatering. The nature and degree ... -
Characterizing and Modelling Tailings Hydrogeochemistry Under a Composite Cover at the Abandoned Kam Kotia Mine, ON
(University of Waterloo, 2023-01-09)A principal environmental concern associated with mining is the weathering of mine waste in the presence of oxygen and water that generates acid mine drainage (AMD) concentrated in toxic elements. Installation of composite ... -
Demonstration of Nitrate-Enhanced In Situ Bioremediation at a Petroleum Hydrocarbon Contaminated Site
(University of Waterloo, 2011-10-28)Alternative strategies involving in situ remediation technologies have been developed to assist with property clean up, however, cost-effectiveness and discrepancies in success rates and timeliness continue. The objective ... -
Developing the Hydrologic Model of the Laurel Creek Watershed Including the Water Infrastructure
(University of Waterloo, 2016-01-22)Continued growth of the Canadian economy has led to an increased population, which resulted in the progressive urbanization of Canada’s watersheds. Additionally, as infrastructure ages, an increasing percentage of drinking ... -
Evaluation of Traditional Hydrogeologic Characterization Approaches in a Highly Heterogeneous Glaciofluvial Aquifer/Aquitard System
(University of Waterloo, 2009-05-22)The purpose of this study was to evaluate the effectiveness of traditional hydrogeologic characterization approaches in a highly heterogeneous glaciofluvial aquifer at the North Campus Research Site (NCRS), situated on the ... -
A field study of event based, seasonally affected, depression focused recharge in glaciated terrain
(University of Waterloo, 2019-04-26)To observe the dynamics of depression focused recharge (DFR) and the effects of seasonality related to transient surface water features, a field scale experiment was designed and conducted within glacial terrain in southern ... -
Field-Scale Evaluation of Enhanced Agricultural Management Practices Using a Novel Unsaturated Zone Nitrate Mass Load Approach
(University of Waterloo, 2007-01-23)The monitoring of nitrate mass load through the unsaturated zone below agricultural land was proposed as a novel technique to assess the effect of agricultural best management practices (BMPs). The objectives of the study ... -
Geochemical Characterization and Longevity Estimates of a Permeable Reactive Barrier System Remediating a 90Sr plume
(University of Waterloo, 2013-01-25)In 1998, a permeable reactive barrier system was installed at the Atomic Energy of Canada Ltd. (AECL) Chalk River Laboratories in Chalk River, Ontario, to prevent the discharge of a 90Sr plume into a nearby swamp. The ... -
Hydraulic Tomography: Field and Laboratory Experiments
(University of Waterloo, 2011-05-17)Accurately characterizing the distribution of hydraulic parameters is critical for any site investigation, particularly those dealing with solute or contaminant transport. Despite the fact that many tools are currently ... -
Impacts of Dredging and Brush Cutting of Paired Agricultural Drainage Ditches on GHG Emissions and Nutrient Filtration Capacity
(University of Waterloo, 2023-01-04)Agriculture provides many beneficial and essential ecosystem services. Along with these beneficial services, the conversion of natural ecosystems into heavily modified agricultural ecosystems is also a source of ... -
In-Situ Chemical Oxidation of Oil Sands Process Affected Groundwater
(University of Waterloo, 2014-12-01)Development of oil sands mining in Athabasca basin, NE Alberta has resulted in generation of more than 1 × 109 m3 of oil sands process-affected water (OSPW) mixed with fine tailings and currently stored in about 182 km2 ... -
The influences of spatially variable rainfall and localized infiltration on groundwater recharge in a water management context
(University of Waterloo, 2020-10-27)Water management involves monitoring, predicting, and stewarding the quality and quantity of groundwater recharge at the watershed scale. Recharge sustains baseflow to streams and replenishes water extracted by pumping at ... -
Macropore flow and transport dynamics in partially saturated low permeability soils
(University of Waterloo, 2007-12-11)Near-surface sediments play an important role in governing the movement of water and contaminants from the land surface through the vadose zone to groundwater. Generally, low permeability surficial soils restrict water ... -
A Multi-Scale Approach in Mapping the Sedimentological and Hydrostratigraphical Features of Complex Aquifers
(University of Waterloo, 2009-12-22)Accessibility to consistent subsurface hydrostratigraphic information is crucial for the development of robust groundwater flow and contaminant transport models. However, full three-dimensional understanding of the ... -
Physical Hydrogeology and Impact of Urbanization at the Waterloo West Side: A Groundwater Modelling Approach
(University of Waterloo, 2000)In the last few decades protection of the environment has moved to the forefront of earth science research. Sustainable development is becoming more important to rapidly growing communities throughout southern Ontario ...