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Climate change, wildfires and Managing for Resilient Landscapes

Join Robert Gray, Fire Ecologist at R.W. Gray Consulting, Ltd., as he discusses the future of climate-fire interactions and strategies for resilient landscapes. Learn about the total cost of wildfires and how to apply a cohesive wildland fire management strategy. Don't miss the Q&A session!

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Climate change, wildfires and Managing for Resilient Landscapes

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  1. Robert Gray, Fire Ecologist, R.W. Gray Consulting, Ltd Climate change, wildfires and Managing for Resilient Landscapes Association of Yukon Communities Annual General Meeting Haines Junction, Yukon May 11, 2019

  2. Acknowledgement Champagne-Aishihik First Nations Traditional Territory

  3. Roadmap • Segment 1: What does the future hold for climate-fire interactions? • Segment 2: Total cost of wildfires • Segment 3: Applying a cohesive wildland fire management strategy • Q & A

  4. 2019 Forecast: Predictions for another significant fire season

  5. Segment 1: What does the future hold for climate-fire interactions? Top-Down Climate/Weather Bottom-Up Fuels/Vegetation

  6. Climate models: What does the future hold? Global mean temperature has risen approximately 1.11 °C since 1850

  7. Later start to winter snows, and earlier snow melt • Warmer winters and reduced snowpack, • Very low late season water flows, • Drought impacts, • Access to water for fire suppression will become more of an issue

  8. Changes in temperature and relative humidity • Warmer daytime temperatures • Lower daytime relative humidity • Higher min nighttime temperatures (poor overnight recovery) • Lower maximum nighttime relative humidity (poor overnight recovery)

  9. Higher incidence of stalled high-pressure systems over the province (the “lazy jet stream”),

  10. Higher incidence of lightning

  11. Less precipitation during the fire season and higher incidence of strong convective storms

  12. Higher incidence of strong wind events 53 km/6 hrs = 156 m/min

  13. Longer fire seasons

  14. Effect of climate change on cyclical weather anomalies

  15. Effects on fire and fuels: Bottom-up influences

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