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Tim Webster's blog

July: we made the news!

The month of July was busy with fieldwork where we were downloading data from our coastal monitoring sites: Cape John and Hirtles Beach. We were mainly downloading information from our weather stations and tide gauges. We still have to visit Mavellette in the Bay of Fundy. I managed to squeeze in a weeks’ worth of holiday in mid-July. We have started a new project for the main section of the LaHave River with the Municipality of the District of Lunenburg (MODL) where we will extend our hydrodynamic and flood risk work from the town of Bridgewater upstream to new Germany and downstream to the mouth of the LaHave River. As a result of this new project we installed another pressure sensor in the LaHave River downstream of New Germany and took flow measurements.

June the time for fieldwork

The month of June was busy with hosting Anders Eekland from Airborne Hydrography from Sweden and Bill Kidman from leading Edge Geomatics in Halifax where we discussed bathymetric lidar. As my role as the Chair of the Nova Scotia Branch of the Canadian Institute of Geomatics I hosted the participants of the Atlantic Association of Planning Technicians at their annual workshop at COGS. Kevin McGuigan and I headed to Bridgewater where I presented the results of our hydrodynamic modelling and flood risk project for the town to town council at their monthly meeting. The project was well received and was reported in the local media. I headed back to PEI mid-month to present on our Salt March Migration in PEI project at the Canadian Heritage Rivers Conference.

Big CFI win for a Bathymetric lidar system, April 26’13

As usual we have been very busy at AGRG, with the end of March projects being wrapped up. The team of Kevin, Candace and Nathan, with help from Kate who is off looking after a new member of her family all came through to deliver excellent research products. Some of the highlights were a project with Agriculture Canada to use our existing hydrodynamic model of the Nappan River to do adaptation planning and estimate volumes for things like adding a new dyke and one-way culvert, or raising the roadbed. We also completed phase 2 of a project using lidar to map objects that penetrate the Obstruction Limitation surface for 14 Wing Greenwood airfields.

From “down under”, March 18’13

At the 9th International Conference on Molluscan Shellfish Safety in Sydney Australia. We are here presenting results of our ACOA Atlantic Innovation Fund and Nova Scotia Research and Innovation Trust project on the development of a Coastal Water Quality Forecasting System for Shellfish Harvesting. In the photo from left to right are Walter Hajen (Environment Canada, Head of Marine Water Quality Monitoring - Pacific), Christopher Roberts (Environment Canada, Head of Marine Water Quality Monitoring - Atlantic), Dr. Tim Webster (NSCC, Principal investigator on the project), Bill Livingstone (NSCC, Project Manager), and Nathan Crowell (NSCC, Research Associate in charge of implementing the project).

Combined river runoff & storm surge modelling reuired for some NS communities

My team of Kevin McGuigan, Candace MacDonald, Nathan Parker, Kate Collins and I delivered a preliminary draft report before Christmas to the town of Bridgewater related to their future risks from climate change. The town will use the information for their long term planning process. The main focus of the research is on flood risk and the town is similar to many Nova Scotian communities in that it is located on the LaHave Estuary where the tidal influence of the Atlantic Ocean interacts with the river runoff of the LaHave River. As with other communities like Oxford in Cumberland County, the interaction of the tide and storm surge with the river runoff is complex and requires two types of hydrodynamic models to predict areas at risk of flooding.

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