Archive:

2010

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 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,” stated Dr. Markus Weiler. Interception losses calculated for urban trees were approximately twice as great as those calculated for trees within natural forest stands.

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Water Balance Model now resides within the 'Partnership for Water Sustainability in British Columbia', a non-profit society


“An essential part of the plan for ensuring the long-term sustainability of the Water Balance Model is the creation of a legal entity where the tool will reside permanently. This action has now been completed,” reports Ted van der Gulik. “Formation of the society is a pivotal milestone in the history of the WBM. Over the years, various people have asked us who owns the WBM. Now when we answer ‘the Partnership owns it’, it will be crystal clear to everyone.”

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OKANAGAN 2010 FROM RAIN TO RESOURCE WORKSHOP: “The Water Balance Model allows the user to quickly establish the existing base line that will become the standard used to measure the performance of future development scenarios,” stated Jim Dumont


“The WBM embeds land use zoning from municipal member partners, soil calculator and a new calculation engine QUALHYMO utilizing the Environment Canada climate data that includes rainfall, snow, temperature and evaporation. The easy access and calculation speed combined with the embedded data and information allows the user to easily and effectively plan and design green infrastructure techniques which will achieve the vision and objectives established for the Site, the Development, or Watershed,” stated Jim Dumont.

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The History of VICT


“Our Ministries decided to align our efforts and collaborate with DFO because we believe this will enable us to be collectively more effective in achieving desirable rainwater management outcomes,” stated Jay Bradley.

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