Sentences with phrase «snowpack reductions»

«Over the past millennium, late 20th century snowpack reductions are almost unprecedented in magnitude across the northern Rocky Mountains and in their north - south synchrony across the cordillera... the snowpack declines and their synchrony result from unparalleled springtime warming that is due to positive reinforcement of the anthropogenic warming by decadal variability.

Over the past millennium, late 20th century snowpack reductions are almost unprecedented in magnitude across the northern Rocky Mountains and in their north - south synchrony across the cordillera.

Attribution is supported by the detection of human influence on the cold - season temperatures that drive the snowpack reductions.

Since 1915, the average snowpack in western states has declined by between 15 and 30 percent, the researchers say, and the amount of water lost from that snowpack reduction is comparable in volume to Lake Mead, the West's largest manmade reservoir.

Not exact matches

«The Cascades could see a 50 percent loss of snowpack, which could translate into a large reduction in summer water,» says Hamlet.

Results show that anthropogenic warming reduced average snowpack levels by 25 %, with middle - to - low elevations experiencing reductions between 26 and 43 %

This snowpack accumulation near the poles, which gets its water via the Arctic and Antarctic oceans, that in turn rob it from equatorial latitudes of our oceans, also results in a reduction in the earth's spin axis moment of inertia and causes the spin rate to increase as evidenced in the recent history of the rate at which Leap Seconds are added to our calendar (see Wysmuller's Toucan Equation for more on this evidence that during this warm time with much greater polar humidity, earlier seasonal, later seasonal and heavier snows are beginning to move water vapor from the oceans to the poles to re-build the polar ice caps and lead us into a global cooling, while man - made CO2 continues to increase http://www.colderside.com/faq.htm).

As temperatures in the Northwest continue to rise this century, scientists expect snowpack to keep declining.2 In the Cascades, scientists project a reduction of as much as 40 percent in the amount of snow on April 1 by the 2040s, under a business - as - usual emissions path.11, 12

However, using an American example, a decade of increasingly greater reduction of snowpack in the Rockies will translate into enormous costs to the US Southwest and particularly economies of Las Vegas, Phoenix, Tucson and Southern California.