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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.
A view of a hippo or other large animal swimming in the sea or ocean in gloomy weather
View of sea at sunrise
Humpback whales near icebergs from aerial view in Ilulissat, Avannaata, Greenland
Vancouver skyline sunset reflection in Stanley park on a sunny Spring afternoon.
A lone humpback whale swims past the pacific northwest island of Alert Bay, BC.
The Harbor at Gibson's Landing, filled with boats of all description.
a photography of a bunch of crabs sitting on top of ice.
Antarctic scenery with a whale, ice and water
A Humpback Whale in the water in the morning
Taken in the Canadian Rockies
Rialto fish market in the city of Venice, Italy, Europe.
Cormorant flying low over the waves
The marina, town of Pornichet, Loire Atlantique department, France
Humpback whale (Megaptera novaeangliae), feeding on anchovies, with it's tail raised above the ocean surface, as it dives down below the ocean surface.
Antarctica mountains and sea. South Pole. On a sunny day. High quality photo
View of Queenstown, Lake Wakatipu, and the Remarkables mountain range behind in Winter, New Zealand
Fridge magnet
Humpback whale Husavik, Iceland
Photograph of two humpback whales swimming side by side at Stellwagen Bank off the coast of Massachusetts in the summer.
Ectoparasites on skin of the Gray Whale, Eschrichtius robustus;  San Ignacio Lagoon, Baja California, Mexico; Whale Barnacles ( Cryptolepas rhachianecti);\
Perito Moreno glacier view, Patagonia landscape, Argentina. Patagonian landmark
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.
Humpback whales tail breaching out of the water in Monterey, California.
Sailboats, docks, trees, houses, water and a few people.
Whole, fresh parrot fish on ice. Close-up. Fresh seafood
Harbour front, Wellington, New Zealand
Ready-to-eat fresh crayfish for sale at the Fish Market in Santos, Brazil.
Perito Moreno Glacier, on Lake Argentino, which together with other nearby glaciers, represent the third largest frozen freshwater reserve in the world. Santa Cruz Province, Patagonia, Argentina.
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