May 2012

Provincial Funding in British Columbia Linked to Viewing Watersheds through a “Sustainable Service Delivery” Lens

“Asset management usually commences after something is built. The challenge is to think about what asset management entails BEFORE the asset is built. Cost-avoidance is a driver for this ‘new business as usual’. This paradigm-shift starts with land use and watershed-based planning, to determine what services can be provided affordably,” states Glen Brown.

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Regional District of Nanaimo hosts Water Balance Model Workshop on “Integrating the Site with the Watershed and Stream”

“The RDN and municipalities of Nanaimo, Parksville, Qualicum Beach and Lantzville are fully committed to implementation of the region’s Drinking Water and Watershed Protection Plan. Recognition of the relationship between land development practices and watershed health is a foundation piece for this provincially significant initiative. Use of the Water Balance Model would help everyone be consistent in implementing green infrastructure practices that are effective in mimicking the natural water balance,” concludes John Finnie.

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British Columbia Partnership announces that rebuilt “Water Balance Model” now incorporates Tree Canopy Module

“If a tree on an urban lot is cut down, how big is the net loss on that lot? Or if a tree is planted, how big is the benefit? If a tree overshadows grass on one side and a rooftop on the other, how does it compare to a tree simply spreading over a lawn? The unfortunate situation is that until now, answering these kinds of questions was largely based on what we might call informed guesswork – if they were answered at all,” states Yeganeh Asadian.

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A New Approach in Measuring Rainfall Interception by Urban Trees in Coastal British Columbia

“Interception loss plays an important role in controlling the water balance of a watershed, especially where urban development has taken place. The aim of the Urban Forest Research Project was to illustrate the importance of urban trees as a form of ‘green infrastructure’ where they reduce rainwater runoff and rainwater intensity. In addition, trees cause a delay in precipitation reaching the ground,” states Dr. Markus Weiler.

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