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News from Yosemite, California USA

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Beware of rockfalls in warm weather
Science News   28 March 2016   USA   Yosemite, California  
ROLLING STONES A crack in a Yosemite National Park cliff grows and shrinks as temperatures rise and fall, new research shows. Cracked cliffs can cause colossal rockfalls in the park, such as this one from October 2010.
<p>As the weather warms, watch for falling rocks. While monitoring a cracked cliff in Yosemite National Park, researchers watched the fissure widen as temperatures rose. The risk of rockfalls could increase as climate change cranks the thermostat, one scientist ...
National Park in California
CNN   18 February 2016   USA   Yosemite, California  
'Firefall' is caused by the angle of the sun setting that illuminates the waterfall
<p>No, that is not lava flowing over a cliff. The illusion of fire falling over Horsetail Fall in Yosemite National Park is a yearly phenomenon.</p> <p>People call it the "firefall," and it is a completely natural effect that occurs when the angle of the sun ...
A Series of Fortunate Events: Fall in Yosemite National Park
Geotripper   15 October 2015   USA   Yosemite, California  
Fall in Yosemite National Park / Garry Hayes
<p>It was a privilege this last weekend to conduct a field studies exploration of Yosemite National Park and the surrounding region. It was a new class, but was similar to one we last taught back in 2008 when the Great Recession put a serious crimp in the ...