30 May 2011

Yosemite II: The Falls

It has been a La Niña year, so winters in the northwest can be accompanied by higher than average precipitation. ENSO-linked precipitation trends are less clear for central California, but snowpack appears to be plentiful in the Sierras. During our visit, snow lingered in the Park above 5000 or 6000 feet elevation, though the California spring was well underway.  The numerous waterfalls around the Yosemite Valley were full, the water roaring onto the granite rocks below with a constant roar like soft thunder.  At Bridal Veil Fall there was so much water mixed into the air that the immediate area at the base of the waterfall had its own microclimate of soft rain.  In fact, up to about a half mile away from the falls, I could still feel the moisture in the air.  Vernal Fall, up the Little Yosemite Valley, presented a similar scenario.  Here the Mist Trail follows the southern bank of the Merced River from Yosemite Valley right up to the waterfall.  The trail then is composed of a long series of steep steps cut into rocky terrain leads hikers up behind Vernal Fall.  Here again, the volume of water was sufficient to greet visitors with a soft rain and make the steep granite staircase more dangerous.  I captured a beautiful rainbow made possible by the saturated air:

The upper and lower Yosemite Falls, together presenting a tremendous drop in water of over 2400 ft is probably the most impressive of Yosemite’s waterfalls to most visitors.  According to signage at the park, it is the tallest waterfall in the United States and fifth tallest in the world.  No doubt these waterfalls are beautiful and impressive.  I also enjoy smaller, more intimate, waterfalls.  At these waterfalls there is often opportunity to observe more closely the small moisture-loving biota like mosses and ferns that cling to life on the surface or cracks of bedrock.
Upper Yosemite Fall
Bridal Veil Fall


Staircase Falls


Nevada Fall

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