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Report: Cowichan River Watershed - Climate Change Impact Assessment

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The BC Conservation Foundation has retained Kerr Wood Leidal Associates Ltd. (KWL) to prepare an update to the Cowichan River climate change assessment using the latest climate change forecasts provided by Pacific Climate Impacts Consortium (PCIC).

Author:  Kerr Wood Leidal Associates Ltd.; Prepared for BC Conservation Foundation

Date Published:  Jul 2011

Report ID:  24292

Audience:  Government and Public

A climate change assessment was completed as part of the Cowichan Basin Water Management Plan (CBWMP) process in 2006. However, significant advancements in climate change science and data availability have been made in the past five years including the fourth update of the UN Intergovernmental Panel on Climate Change (IPCC) assessment report (AR4) in 2007 as well as the launch of the Pacific Climate Impacts Consortium (PCIC) Online Regional Analysis tool. The BC Conservation Foundation has retained Kerr Wood Leidal Associates Ltd. (KWL) to prepare an update to the Cowichan River climate change assessment using the latest climate change forecasts provided by PCIC. The scope of the study included: 1. Review of climate change forecast data for the Cowichan Valley Region provided by PCIC based at the University of Victoria; 2. Development of a distributed monthly water balance model of the watershed; 3. Calibration and verification of the model using recorded river discharge data and back calculated inflow data used in the CBWMP study; 4. Calculation of monthly average discharges for both the current (1961 to 1990 normal period) and future (2050s) climate conditions; and 5. Compare the results with the previous results developed as part of the CBWMP. This project was co-funded by Living Rivers-Georgia Basin/Vancouver Island (2006-11), a program of the BC Living Rivers Trust Fund.

Report Type
  Water
 
Subject
  Region - Vancouver Island
  Watershed Groups - 920 - Vancouver Island (East) Rivers
  Water Information - Hydrometric / Hydrology
  Water Information - Water Management
  Water Information - Water Quality
  Water Information - Watershed Assessment Studies
  Water Information - Water Supply
 


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