Stuff I Wrote Elsewhere

Been said before, but bears repeating: Tom Swetnam’s Senate testimony Monday: Global warming is making Western wildfires worse, a top fire expert told members of the U.S. Senate on Monday. Combined with a century of firefighting that has left some forests choked and overgrown, along with people building more and more communities at the forests’ …

Continue reading ‘Stuff I Wrote Elsewhere’ »

Disappearing Tundra

The highest mountain “tundra” terrains of the Western United States are disappearing because of warming temperatures, according to a new paper by Henry Diaz and Jon Eischeid: In the last 20 years (1987–2006), rising temperatures have caused a significant fraction of these areas to exceed the 10°C threshold for alpine tundra classification. The result has …

Continue reading ‘Disappearing Tundra’ »

The Arctic and Drought

Robert Krier has a fascinating piece in this morning’s San Diego Union Tribune suggesting a linkage between arctic melting and drought in the Southwest: Three years ago, computer forecast models predicted that in 2050, the reduced ice mass would cause climate shifts that would result in a drought in the western United States. But the …

Continue reading ‘The Arctic and Drought’ »

The Soybean Problem

Today’s paper of the day is Regional climate change over eastern Amazonia caused by pasture and soybean cropland expansion: Field observations and numerical studies revealed that large scale deforestation in Amazonia could alter the regional climate significantly, projecting a warmer and somewhat drier post-deforestation climate. Sampaio, G., C. Nobre, M. H. Costa, P. Satyamurty, B. …

Continue reading ‘The Soybean Problem’ »

Water in the Desert: Base Flow Edition

Rio Grande Originally uploaded by heinemanfleck. Looking south down the Rio Grande from the Paseo del Norte Bridge in Albuquerque Sunday, Sept. 23, 2007. That’s maybe 450 cubic feet per second of flow, which is getting down toward what they call “base flow“. That’s the minimum flow in a desert river, the point at which …

Continue reading ‘Water in the Desert: Base Flow Edition’ »