By Michael J. Hambrey, Jürg C. Alean
Considering that glaciers and ice sheets hide approximately 10% of the Earth’s land floor in a global the place human civilization is more and more impacted by way of the results of fixing glacial task, Colour Atlas of Glacial Phenomena provides itself as an critical consultant for college students, pros, and researchers who are looking to be higher expert whereas learning and monitoring the longer term impacts of glaciers and ice sheets at the worldwide surroundings. whereas stressing either the sweetness and software of glaciers, the authors hide severe positive factors of glaciers and their landforms and supply worthwhile motives of the foremost innovations in glaciology and glacial geology. The authors extend to illustrate how our lives are encouraged by way of the Cryosphere, a key part of the Earth approach and the way this heightens the vulnerability of glaciers and ice sheets to deterioration. This illustrated publication additionally helpfully maps out areas of mountain glaciers and ice caps all over the world for a pragmatic reference and discusses the goods of glacial erosion and deposition quintessential to realizing emerging international sea degrees.
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Additional info for Colour atlas of glacial phenomena
The mid-summer melt generates an active glacial river that undercuts the Aufeis, causing it to collapse (July 2014). 21). As the avalanche progresses downslope, it sometimes picks up vegetation, rocks and soil. The length an avalanche travels is known as the run-out distance. Ice and snow avalanches, combined with rock, are a major component of the accumulation of high-mountain glaciers, such as those in the Himalaya, and result in debris-mantled glaciers. 21 An ice avalanche caused by the collapse of a steep ice face at the edge of a recently exposed cliff at Unterer Grindelwaldgletscher, Switzerland (September 2009).
Lodgement till, melt-out till, subglacial traction till). 10 Basal till containing large boulders exposed above the north shore of Loch Torridon, Northwest Highlands, Scotland. Geological hammer beneath largest boulder for scale.
Less accessible areas are reached by increasingly popular marine cruises, such as into the fjords of southern Alaska, and around the coasts of Svalbard, Greenland, and the Antarctic Peninsula. On the negative side, glaciers have been responsible disasters of several different types. For example, in the worst affected region, the Cordillera Blanca in Peru, over 32,000 people lost their lives in the twentieth century to glacier-related disasters. Whilst not on the same scale as tsunamis, volcanic eruptions or earthquakes, glaciers are associated with ice avalanches and outburst floods, which not only cause loss of life, property, agriculture and infrastructure but also may result in a major setback for countries with fragile economies.