Ozone production from the 2004 North American boreal fires

High-latitude cooling associated with landscape changes from North American boreal forest fires

Fires in the boreal forests of North America are generally stand-replacing, killing the majority of trees and initiating succession that may last over a century. Functional variation during succession can affect local surface energy budgets and, potentially, regional climate. Burn area across Alaska and Canada has increased in the last few decades and is projected to be substantially higher by ...

Effects of fires on carbon cycling in North American boreal peatlands

Boreal peatlands occupy about 1.14 x 106 km2 in North America. Fires can spread into peatlands, burning the biomass, and if moisture conditions permit, burning into the surface peat. Charred layers in peat sections reveal that historically bogs in the subhumid continental regions and permafrost peatlands of the subarctic regions have been the most susceptible to fires. Fire return periods were ...

Climate and wildfires in the North American boreal forest.

The area burned in the North American boreal forest is controlled by the frequency of mid-tropospheric blocking highs that cause rapid fuel drying. Climate controls the area burned through changing the dynamics of large-scale teleconnection patterns (Pacific Decadal Oscillation/El Niño Southern Oscillation and Arctic Oscillation, PDO/ENSO and AO) that control the frequency of blocking highs ove...

Uncertainty in estimating carbon emissions from boreal forest fires

[ I ] The uncertainty in carbon einissions fi-om fire was esti~nated for the boreal region of Alaska over the 50 years of recorded wildfire. Building on previous work where carbon emissions were estimated using a geographic infonnation systems-based model, the uncertainty attached to the different parameters of the basic equation was assessed and propagated through the equation using Monte Carl...

A Lagrangian view of ozone production tendency in North American outflow