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Public Reports

The Past, Present and Future Climate of Central Otago: 
Implications for the District

At the end of last year, Bodeker Scientific was engaged to produce the report "The Past, Present and Future Climate of Central Otago: Implications for the District" for the Central Otago District Council (CODC, or ‘the Council’) to help in developing their 30-year Infrastructure Strategy and 10-year Long Term Plan, with the next versions to come into effect on 1 July 2018. CODC sought information regarding projected changes in climate within the district to inform those plans. Until now, CODC had not adequately considered the impacts of climate change on their activities, and wished to address this in the 2018 strategy and plan. Bodeker Scientific was engaged to produce this report and provide both a synopsis of changes in the climate of the region to date and projected climate changes so that possible implications for services provided by the Council, such as water, storm-water, sewerage, local roading, and emergency response activities, could be determined. Such information will also be used to inform high level considerations on possible land use change and how these changes might impact demand for services.

Click here to view the full report.

Investigating Meteorological Intervention for Improving Air Quality in Airshed 1 Towns

The report titled "Investigating Meteorological Intervention for Improving Air Quality in Airshed 1 Towns" was presented at the Otago Regional Council. The report evaluated the potential for reducing air pollution through modifying the atmosphere above small towns (classed Airshed 1) that experience high levels of night time pollution. An advection-diffusion model was created that allowed the effect of various interventions on increasing the dispersal of smoke from home heating to be clearly assessed. These interventions including using frost-fighting fans to mix the lower atmosphere, enhancing a naturally occurring low-level (50-100 m above ground level) wind in the mid evening as well as drawing air out the Alexandra basin. It was found that none of the interventions would be able to significantly reduce levels of air pollution to within the national standards within reasonable energy limits. The model may be useful for identifying the most effective strategies for improving air quality through reducing emissions.  

Click here to view the report.

Alexandra Community Climate Change Discussion Forum

On Saturday 7th November 2015, the Alexandra Community Climate Change Forum was held at the Alexandra Community Centre.  The purpose of the forum was to solicit ideas from the community as to how Central Otago might respond to both the threats and opportunities posed by climate change.  The Discussion Forum arose out of deliberations within the MAD4CO (Making A Difference For Central Otago) group in the lead up to the Alexandra Thyme Festival. The goal was to host a discussion evening that would more closely link current climate change research to the needs of a small community, such as Central Otago, and to raise community awareness of the latest outcomes of climate change research.

Click here to view the report that was produced collating the comments and results from the forum.