The Impact of Climate Change on Water in the Grand River Basin, Ontario PDF Download
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Author: Marie Sanderson
Publisher: Department of Geography University of Waterloo
ISBN: 9780921083481
Category : Global warming
Languages : en
Pages : 224
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Book Description
Author: Marie Sanderson
Publisher: Department of Geography University of Waterloo
ISBN: 9780921083481
Category : Global warming
Languages : en
Pages : 224
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Book Description
Author: Water Network (Waterloo, Ont.)
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages :
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Author: Charles Frederick Southam
Publisher:
ISBN:
Category : Grand River Watershed (Ont.)
Languages : en
Pages : 0
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Author: Water Network (Waterloo, Ont.)
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 54
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Author: Amy Dietrich
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Climate change is one of the most significant global environmental drivers threatening the quality and quantity of future water resources. Global temperature increases will have significant effects on the hydrologic regime of northern regions due to changes in snowfall and snowmelt. Considerable research has been conducted in western Canada to rigorously quantify snowmelt-driven streamflow processes, however, less focus has been directed towards understanding these processes in eastern Canada and Ontario. In the southern Ontario Grand River Watershed (GRW), snowmelt contributions to streamflow (freshet) make up a significant portion of the annual water yield, and the period of snowmelt is also of key concern for flood mitigation. This thesis aims to quantify historical and projected changes to timing and streamflow during freshet in the Nith River, an unregulated tributary of the Grand River. Climate data (temperature, rainfall, snowfall, and snow proportion) from observations and future scenarios were analyzed to quantify the contributions of climate conditions surrounding the timing and volume of the freshet. The annual timing of snowmelt-driven streamflow was quantified using centre time (CT), and streamflow volumes were quantified by various percentiles of streamflow (Qn) during four periods of the water year (October-December, January-February, March-April, and May-September). Historical trends in streamflow and climate data were examined using hydrometric data (1914-2016) of a stream gauge from the Water Survey of Canada, and climate data (1950-2016) from Environment and Climate Change Canada at two stations. Projected climate data were from an ensemble of models used in the Intergovernmental Panel on Climate Change's Fourth Assessment Report (AR4). A total of nine distinct models ran two scenarios from AR4 for the 2050s; moderate (B1) and high (A1B). These time-slice projections were then used to force the hydrologic model GAWSER to simulate future streamflow data. The results show that CT in the Nith River has advanced by 17 days, on average, from 1914 to 2016 (P=0.036), and the advance is projected to continue as a function of future emissions scenario (approximately 12 days for scenario B1, and 17 days for A1B). Historical CT was weakly negatively correlated with temperature (-0.51, P
Author: Abhishek Gaur
Publisher:
ISBN:
Category :
Languages : en
Pages : 188
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Book Description
Rapidly changing climatic conditions across the globe are believed to have an impact on key climate variables and the hydrologic cycle. Changes in magnitude and frequency of peak flow patterns have been noted in rivers worldwide. The associated risk is projected to increase many folds during the 21 st century. Therefore, it is necessary to quantify these impacts for effective water resource planning and management in future. Methodology chosen to do so should be able to capture variations in climate variables at fine temporal, spatial and distributional scales. Also, it should be able to cover uncertainties associated with future climatic, socio-economic and physiographic projections. In this study, a methodology for making future flow projections has been presented and applied to the Grand River basin, Ontario, Canada. Results indicate consistent decreases in peak flows across the catchment for all the scenarios considered in the analysis.
Author: Water Network (Waterloo, Ont.)
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 3
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Author: Creese E. E.
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 74
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Author: Marie Sanderson
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 108
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