Seiche events at the Slave River Delta and Great Slave Lake, Northwest Territories: An assessment of process and impact.

摘要

Seiche events are important hydrodynamic processes that impact the Slave River Delta, during the late summer and autumn. Given the scarcity of previous research on seiche events at river deltas and the physical dimensions and orientation of the Slave River Delta, this location at the southern shore of Great Slave Lake is ideal to study the occurrence and impacts of seiche events at a river delta. Seasonal changes to long-term water level trends and water level variability on Great Slave Lake, correspond to changes to the Slave River flow potentially associated with the impacts of regulation of the Peace River, however climate change in the Slave River basin has not been quantified and may have a role on the hydrologic changes noted at the lake. An assessment of lake level variability provides the hydrological context in which to address seiche events on the lake. Water level records from Fort Resolution and Yellowknife Bay, NWT; provide a long record of seiche events. (Abstract shortened by UMI.).