Repeated Photos

California’s Sierra Nevada
In July and into August of 2011, we used Steve Roper’s High Route, a rugged, mostly off-trail route in the Sierra Nevada mountains to document and photograph remote alpine environments. By extending this burly route with a Southern Sierra Mineral King to Roads End extension, adventurous detours in the Palisades, Evolution Group, and around Mt. Goddard, we traversed over 215 total miles of California’s high alpine.  We were astounded by incredible geologic stability and dynamic biological changes.The High Route from MountainsRiversMedia on Vimeo.Our observations pieced together a clearer picture about how the Sierra Nevada was responding to climate change. Now our tools and lessons are available to others, enabling anyone to contribute to clarifying how our watersheds are changing.

Argentinan & Chilen Patagonia

In 2012, we repeated 5 photos outside Bariloche, AR on Monte Tronador, establishing our first new useful photos sites in South America.  Continuing west & south to Chile, we traveled to Aysén  to document the dam sites on the Baker river. Here we took several photographs of the proposed dam sites at the entrance to Patagonia National Park as well as recorded stretches of whitewater that will be buried by stagnant water.

Monte Tronador

This legendary volcano is accessed from Bariloche, Argentina. The 3,484 meter peak is quite an adventure, yet the summit now only accessible in large snow years due to the inconsistency of the snow bridge leading to the summit (the smaller pyramid in the center/back). Taken from West of summit, above Refugio Otto Meiling near Filo Lamotte. A close inspection of the rock band on left shows considerable thinning of even in the accumulation zone. The picture above was taken just below Filo Lamotte. We could not get the exact repeat picture, because the glacier had thinned at least 5-7 feet below the original spot! This perspective shows the amount of snow that has melted near the summit. Less ice and snow makes accessing this summit a risky loose rock endeavor. This spectacular repeat photograph (below) from the summit of Cerro Constitucion was quite a reward. In the forefront, Glaciar Castano Overa (central) has retreated right up to Refugio Otto Meiling at 1930 meters. Glaciar Alerce (right) shows dramatic retreat leaving behind what turned out to be tremendously large waterfalls, which seem like small streams from this summit.

Later that year and further south, Jon joined with Argentinian climatologists, Ricardo and Mariano, to repeat photographs outside el Chalten and Calafate.  He also journeyed to Torres del Paine, Yosemite’s sister National Park in Chile, and continued to retraced some of the prolific footsteps of Father Alberto María de Agostini repeating his photos along the way.

Torres del Paine & Los Glaciares

The mountains of southern Patagonia are known around the world for their towering peaks and massive glaciers, yet these landscapes have changed dramatically in the last century. 

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