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Pines close to treeline have wider annual growth rings for the period from1951 to 2000 than for the previous 3,700 years, reports a University of Arizona-led research team. Regional temperatures h...
Agricultural and Forestry Science |The study predicts that the worst affected areas will be the forests in the Pacific Northwest and the Rocky Mountains, where the area of forest destroyed by wildfire is predicted to increase by 78% an...
Studies and Analyses |In a widely recognized painting by Tom Thomson, a bent and lonely tree hunches on a rocky ledge overlooking a windswept lake and distant snowy peaks. The misshapen tree remains so emblematic of the be...
Earth Sciences |Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds. How p...
Earth Sciences |Mountain pine beetles appear to be doing more than killing large swaths of forests in the Rocky Mountains. Scientists suspect they are also altering local weather patterns and air quality.A ne...
Earth Sciences |A new turbulence detection system now being tested is alerting pilots to patches of rough air as they fly through clouds. The system, designed by the National Center for Atmospheric Research (NCAR) an...
Transportation and Logistics |The aircraft had been flying a sensor developed by the University of Colorado at Boulder, NOAA and U.S. Department of Agriculture that could provide detailed maps of ground surface water. At the reque...
Ecology, The Environment and Conservation |One of the paradoxes of recent explorations of the Martian surface is that the more we see of the planet, the more it looks like Earth, despite a very big difference: Complex life form...
Earth Sciences |It does not appear there will be any major relief this spring or summer from the unusually dry weather that has recently hit the Pacific Northwest, according to new projections of drought ...
Ecology, The Environment and Conservation |Scientists find undersea mountains, discover new species, and spy on fish Scientists can now visualize the ocean floor in remote areas of the Arctic, observe rockfish hi...
Earth Sciences |As summer draws to a close in the southern hemisphere of Uranus, storm clouds are brewing in the upper atmosphere, northern hemisphere winds are gusting to 250 miles per hour, and the pla...
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