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Glaciers are sensitive indicators of global warming. The photograph shows the Moreno Glacier where it enters Lago Argentino, Patagonia. The water in the lake is around 14ºC in summer, melting the ice face from beneath, leaving huge masses of ice hanging. As the photograph shows, when the overhang weight is larger than the shear force strength of the ice wall, gigantic ice block crash into Lago Argentino, eroding the glacial front wall. Moreno Glacier if one of the few glaciers in the world where the erosion at the front is still slower than the replenishment from behind. Global warming is steadily warming the surface waters of Lago Argentino leading to a more rapid erosion at the glacial front. In this sense the Moreno Glacier is a benchmark for global warming since once the Moreno Glacier starts to retreat, global warming impact will be global.
Salmon Glacier the 7th largest glacier in North America, located in the town of Hyder, Alaska but situated within British Columbia.
Perito Moreno Glacier close El Calafate in Patagonia, Argentina
Brink of the Upper Falls of the Yellowstone River in Yellowstone National Park, Wyoming.
Spring feed Creeks flow into the Mississippi
Whitehorse, Canada - June 21, 2019. A \
A wooden sign that says pets must be on leash.
Different views Glaciar Perito Moreno, glacier, iceberg, ice, lake, sky - Patagonia, Argentina
Old Indonesian currency with a picture of farmers in rice fields.
Rugged mountains, Patagonia
Wilderness Landscape in Alaska, USA
The Tolmin Gorge, locally known as Tolminka and Zadlaica Gorges, a popular tourist destinaton in the  Triglav National Park. Tolmin Municipality. Gorizia Region. Slovenia.
Milford sound taken from the cruise boat. Various waterfalls along the valley. Taken in New Zealand during summer.
Sólheimajökull Glacier icecap and lagoon in South Iceland
Beautiful landscape of mountain river in amazing and mysterious nature. Mountain waterway flowing through mountainous terrain
Waterfalls in Firehole River, Yellowstone National Park, Wyoming, USA
Folgefonna glacier cap in the mountains with forest in the foreground, Odda, Hardanger region,  Hordaland county, Norway
On an autumn morning
Perito Moreno glacier view, Patagonia landscape, Argentina. Patagonian landmark
The ancient glacier makes its way down the mountain and into the Prince William h Sound.  The mountain range has been scarred from years of pressure and ice.
Fog over rapids. Early morning. River Umba, Kola Peninsula, Russia.
Riviere Langevin - Reunion Island, the volcanic black rocks the exhuberant vegetation and the intense turqoise blue water.
Antique world map, Italy
Perito Moreno Glacier, on Lake Argentino, which together with other nearby glaciers, represent the third largest frozen freshwater reserve in the world. Los Glaciares National Park, Santa Cruz Province, Patagonia, Argentina.
Patagonia, Argentina - January 7, 2018: View of the Perito Moreno Glacier. Copy space for text.
Pastoruri Glacier and lake in Cordillera Blanca – Ancash, peruvian Andes, Peru
Overlook in the Columbia River Gorge in Oregon, near Crown Point Vista.
Fall Colors at White Mountain National Forest in New Hampshire
Columbia Glacier, located in Prince William Sound, offers stunning views of a glacier that is receding.  The Columbia glacier is the most active glacier in the world.
Trees showing off autumn in far out Montana ranch land.
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