Oct. 5, 2014 - Iceland - Water
Read MoreThe geology that produces volcanos in Iceland also makes the country one of the best places in the world to use geothermal energy. Underground reservoirs of water are continuously replenished by rainfall and glacier melting. Very hot magma from the earth’s core is relatively close to the surface in Iceland so this underground water is very hot, from 350 to 750 degrees Fahrenheit. Across Iceland, steam can be seen rising from cracks in the earth as in this photo taken in the Lake Mývatn area, in north central Iceland.
Almost all homes and other buildings in Iceland are heated without burning fossil fuels. Five major geothermal plants are located around the country. They drill down as far as 3000 feet to tap into the steam and hot water located underground. One of the geothermal plants is located near Grindavik in southwestern Iceland. Steam is used to turn large turbines, producing electricity. It’s then run through a heat exchanger producing hot water that is pumped to homes and other buildings to heat them. By this time, the steam has changed to water which is then cool enough (about 100 degrees Fahrenheit) to be pumped into the famous Blue Lagoon. People come here to soak in this water which is said to have special properties that enhance the skin.
During our stay on the Westmann Islands, we took a boat tour to get a view from the water. Many sea caves have been cut into the cliffs along the sides of the islands by the ocean waves. One of them was big enough so the captain could take the boat into the cave. To show us the marvelous acoustics inside the cave, he brought out his saxophone and played the song “Cherry Pink and Apple Blossom White.” Click on the video to hear him playing. When it finishes, click on the word “Close” in the upper right.
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