DNR weekend reading: Wildfires and global warming, ‘screaming’ volcanoes, and more

Table Mountain Fire
Last September, the lightning-sparked Table Mountain Fire burned more than 40,000 acres of national and state forest in central Washington. Photo: Jane Chavey/DNR.

Here are links to articles about recent developments, findings and research into the environment, climate, energy and other science topics:

Los Alamos National Laboratory: Wildfires may contribute more to global warming than previously predicted
Measurements taken during the 2011 Las Conchas fire near Los Alamos National Laboratory show that the carbon-containing particles emitted by wildfires are very different from what current computer models account for. As a result, fire emissions may be contributing a lot more to the observed climate warming than current estimates show.

Oregon State University: Climate change threatens forest survival on drier, low-elevation sites
Predicted increases in temperature and drought in the coming century may make it more difficult for conifers such as ponderosa pine to regenerate after major forest fires on dry, low-elevation sites, in some cases leading to conversion of forests to grass or shrub lands, a report suggests

University of Washington: Some volcanoes ‘scream’ at ever-higher pitches until they blow their tops
A new analysis of an eruption sequence at Alaska’s Redoubt Volcano in March 2009 shows that the harmonic tremor generated by swarms of small earthquakes glided to substantially higher frequencies and then stopped abruptly just before six of the eruptions, five of them coming in succession.

University of Adelaide: Stop Marine Pollution to Protect Kelp Forests
University of Adelaide marine biologists have found that reducing nutrient pollution in coastal marine environments should help protect kelp forests from the damaging effects of rising CO2.

Smithsonian Institute: High CO2 Spurs Wetlands to Absorb More Carbon
Under elevated carbon dioxide levels, wetland plants can absorb up to 32 percent more carbon than they do at current levels, according to a 19-year study just published. The findings offer hope that wetlands could help soften the blow of climate change.

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