EGU General Assembly 2008
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  Information - IS35 - NH8.5/AS4.03/CL48 Wildfires, Weather and Climate (co-organized by NH, AS & CL; co-listed in GM & SSS)

Event Information
This session will focus on the impact of atmospheric circulation on wildfires for different climates of the world, from the equatorial/tropical region to mid and high-latitudes.

The session will be concentrated on both (i) weather and (ii) climate/climate change, and their influence on wildfire activity. We welcome all submissions related to wildfires, weather and climate, but are particularly interested in the following:

(i) The relation between equatorial/tropical weather systems, monsoons, El Niņo and wildfires, particularly in Africa, Brazil, Indonesia and Australia.
(ii) The impact played by large-scale teleconnection patterns (e.g. NAO, PNA, PDO) in terms of the monthly and seasonal scales on mid-latitude wildfire activity in the the USA, Canada and Europe.
(iii) The impact of recent meteorological extreme events, namely heatwaves and droughts, in large wildfires in California and the Mediterranean countries (e.g. Portugal [2003], Spain [2005], France, Italy [2007], Greece [2007], California [2007]).
(iv) Possible changes of global and regional wildfire characteristics as a consequence of climate change.

This session is particularly devoted to synoptic and large scale studies (diagnosis/modeling); therefore, fire propagation models or similar applications that are applicable to only a local scale are out of the scope of the session.

We foresee a lively oral and poster session and look forward to your submissions on wildfires, weather and climate.

Preliminary List of Solicited Speakers
Brian D. Amiro

University of Manitoba

Winnipeg, Canada

Wildfire is currently an important driver of boreal forest dynamics and is projected to have an even greater impact with a changing climate. In many regions, weather is projected to be more conducive to an increase in area burned. This will make fire an even greater consideration for forest management and protection of valued infrastructure. Fire has also been identified as an example of climate change feedback, whereby increased fire can increase atmospheric concentrations of greenhouse gases, enhancing global warming. Alternatively, fire has the potential for global cooling because of its change to the surface albedo. We review some of the evidence of the potential net impacts of fire, and the recent developments to attempt to decrease our uncertainty.


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