Post Tagged with: "video"

Deep brain freeze: visualizing the polar vortex

Deep brain freeze: visualizing the polar vortex

For the second afternoon in a row, a potent cold front has swept across Denver, marking the return of a deep freeze for much of the country. Yesterday, my weather station recorded a 32-degree drop in less than 90 minutes (here’s a chart). This latest cold snap is sure to revive talk about the polar […]

Video: mountain species, climate change, and the escalator effect

Video: mountain species, climate change, and the escalator effect

Mountains are especially vulnerable to climate change, so scientists are keeping a close watch on species such as the American pika (Ochotona princeps). This small mammal, which resembles a hamster and is a relative of the rabbit, lives in alpine and subalpine terrain across Western North America. Although relatively widespread and usually found in protected […]

Satellite animation of Las Vegas sprawl

Satellite animation of Las Vegas sprawl

Until the housing bust, Las Vegas was one of America’s fastest growing cities and NASA’s Landsat satellites have been recording the area’s growth for decades. This video shows the city’s expansion from 1972 to 2010. The dark red areas are open space, mostly golf courses and parks.

Animation of global warming since 1880

Animation of global warming since 1880

NASA has produced a fascinating animation showing how global temperatures have been changing since the late 19th century. You can really see things heat up starting in the 1970s. 2011 was the 5th warmest year on record, as NASA’s James Hanson noted: “We know the planet is absorbing more energy than it is emitting . […]

Ebb and flow of snow, fuels, and fire

Ebb and flow of snow, fuels, and fire

NASA has put out a pretty cool video showing a decade’s worth of satellite imagery of the United States (and the rest of the world). It’s interesting to see the ebb and flow of the snowpack, how the land greens up every year, and where fires break out.