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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.
Hiking on Blackcomb Mountain, Whistler, BC.
Winter landscape, mountains and rocks covered with forest, on the bank of a frozen river.
Salmon Glacier the 7th largest glacier in North America, located in the town of Hyder, Alaska but situated within British Columbia.
Autumn scene in Ordesa and Monte Perdido National Park, Spain
Dramatic Mountain peak and Glacier detail - snowcapped Cordillera Blanca - Ancash Andes, Peru
Exploring the beauty of Zion National Park from before sunrise to long after sunset from the valley floor to soring majestic peeks.
Come visit Alaska and see that it is a land of vast landscapes.  A view from above displays a few of the many mountainsides that can be observed when flying around the state. Called the last frontier, Alaska has much to offer locals and visitors alike.
Meili(Meri) Snow Mountains or Meili Xue Shan, Kawagebo peak and Mingyong glacier in Deqing, Yunnan, China
Triglav mountain peak, Triglav National Park, Julian Alps, Slovenia.
Perito Moreno glacier view, Patagonia landscape, Argentina. Patagonian landmark
Fitz Roy mountain range in Patagonia
Lick Wash is a slot canyon whose rock walls are formed by water erosion from flash floods at Grand Staircase-Escalante National Monument in Kane County, Utah.
Mount Fitz Roy mountain range with a cloud near the summit in the pre -dawn in Los Glaciares National Park
An iceberg covers a tourist boat on the Perito Moreno Glacier in Patagonia, Argentina.
Massive glacier on top of a mountain
Mountain View
Sella Massive the Dolomites Italy at winter seen from the Col Rodella area
Horizontal colour photograph of the majestic Athabasca Glacier and surrounding Rocky Mountain peaks, located along the Icefields Parkway in Alberta, Canada.
Jasper National Park,Alberta,Canada
An expedition in Antartica
Classic example of a cirque, a depression which collects and compresses through gravity the snow that falls into it. Glacial ice will fill the cirque until it overflows through a  gap and begin to move due to a combination of slope, gravity and pressure. This is how glaciers form. Picture taken in Denali National Park, Alaska Range, USA.
Switzerland: Canton Valais. Rhone glacier melting due to the melting of glaciers.
Above view of mountain peak covered with snow. Copy space.
Jagged spikes of ice hundreds of feet tall hang over the edge of the Harding Icefield in the Kenai Fjords
Palisade Glacier in the central Sierra Nevada near Big Pine California
Patagonia, Argentina - January 7, 2018: View of the Perito Moreno Glacier. Copy space for text.
The summit of Gokyo Ri, Khumbu region, Nepal
Tracy Arm Glacier
Aerial view from the air to Ultar Sar,Batura Sar, Pakistan, Karakorum, Central Asia,Nikon D3x
Free Images: "bestof:2008 Palisade Glaciers.jpg en The Palisade Glaciers in the Sierra Nevada of California The Palisade Glacier is on the left and the Middle Palisade Glacier is on"
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