Modelling excessive scour in river channels

Many engineering projects are undertaken on and around rivers, such as the construction of bridges and the placement of pipes under river beds. These engineering projects modify flow conditions away from those which occur naturally, inducing additional sedimentation and scour. This research will focus on a deep scour hole in the riverbed at the Alex Fraser bridge on the Fraser River in British Columbia. In this location a great deal of engineering work has been undertaken, leading to the development of the deep scour.

The role of humpback whale predation on commercial fish population dynamics in British Columbia

Humpback whales show remarkable recovery after the impacts of commercial whaling, and their consumption of essential food resources could affect local herring and salmon populations. Little is known about the feeding ecology of humpback whales in BC waters, despite their increasing importance to fisheries and tourism. Both humpback whales and fish are vulnerable to prey depletion, and the public have a vested interest in the future of humpbacks and fisheries in BC.

Seasonal operational model for water management within irrigation districts

Reservoir operators typically determine flow releases by assessing the available storage and demand and then applying a rule?of?thumb. Thus, in spite of numerous previous and current computer modelling studies, the use of computer models in real?time reservoir operation on a district level is virtually nonexistent. The resulting “water savings” offer the opportunity to increase river flows, making greater volumes of water available to irrigated agriculture to reduce drought risks, or support irrigation sector expansion that meets all water licenses and in?stream water?quality objectives.

Quantifying Erosional Processes to Inform Management Policy

Mistaken Point, Newfoundland, is not only a globally unique scientific resource for studying the rise of animal-life, but also a growing tourist destination. As the locality looks towards obtaining World Heritage status, it is essential that steps are taken to ensure that any development of the tourist industry does not adversely affect the long term conservation of the fossils. This project, using modern 3D modelling and experimental techniques will examine the historic effects of visitors to the rock outcrops, as well as test strategies for reducing footwear based abrasion of the specimens.

Coupling event sampling to ColiMinder® high-frequency monitoring of E. coli for improved microbial risk assessment in source waters (COLIRISK)

Safe drinking water supply is a daily need but it can be seriously threatened by microbial hazards originating from fecal contamination of source water, especially following periods of intense rainfall. In order to assess drinking water intakes (DWIs) vulnerability to fecal pollution and to take cost-effective decisions in case of hazardous events, it is urgent to implement early-warning systems. A recent enzyme-based technology, ColiMinder® enables to measure E. coli in water at high temporal resolution (every 15-30 minutes).

Temporal and Spatial Distribution of Harmful Algal Blooms in the Western Basin of Lake Erie

Harmful algal blooms (HABs) in the western basin of Lake Erie are detrimental to the ecosystem, reducing water quality and affecting drinking water for people in the region. Severe HABs in Lake Erie in the 1960s and 1970s resulted in the Great Lakes Water Quality Agreement in 1972. Since then, water quality has greatly improved; however in the 1990s, Lake Erie saw the blooms return. This has been attributed to factors such as zebra mussels’ bio-transforming nutrients, climate change, shifts in the form of phosphorus and lake sediment as an internal loading source.

A remote sensing-based wetland inventory and classification framework for Newfoundland and Labrador using satellite optical and synthetic aperture radar data

This project aims to develop a remote sensing based framework for Newfoundland and Labrador (NL) wetland inventory and classification and monitoring through the synergistic use of satellite and airborne multi-spectral and ortho-imagery and space-born synthetic aperture radar (SAR) data. The proposed project involves collaboration from C-CORE, Ducks Unlimited Canada, and Santec. The results and approach will help Ducks Unlimited Canada for conserving wetland and for waterfowl, wildlife and people.

Development of a numerical wave uprush prediction tool for the Cataraqui Region Conservation Authority Lake Ontario and St. Lawrence River shoreline – Phase 2

Wave uprush and the potential for flooding are natural hazards that must be determined by the Cataraqui Region Conservation Authority (CRCA) prior to the approval of a near-shore development. The purpose of calculating wave uprush is to recommend building sites that are outside of the wave uprush area (and floodplain in general) to land owners and municipalities, as well as provide information for flood proofing of existing buildings, roadways, etc. The CRCA has manually calculated wave uprush at 200 sites along the more than 200 km of shoreline in eastern Lake Ontario and the St.

Examining salmon population dynamics on the Central Coast of British Columbia to inform conservation and management

Pacific salmon play an important economic, ecological, and cultural role throughout their range. However, declining salmon populations have diminished this role in many regions. The factors responsible for declines are poorly understood but are of great interest, particularly for First Nations, who have a large role in salmon management.

Investigation of possible surface contamination from a deep waste disposal injection well in Northeastern, British Columbia, Canada

In British Columbia, highly saline waste water produced as a by-product of oil and gas operations are injected into deep geological formations via injection wells. The purpose of this research project is to investigate whether or not these injected fluids remain at depth as intended or rather, can return to the surface and contaminate water resources. In particular this project aims to evaluate the role that surrounding active and abandoned wellbores play in acting as vertical conduits for subsurface fluids to leak to the surface.

Pages