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Sea level rise, flooding, sea wave erosion, and bank erosion impacting local water quality, resulting in a planned relocation 12 km (7.5 mi) from the present site. 2007 [28] [29] [30] Newtok: Bethel, Alaska, United States 209 Erosion due to melting permafrost and increasing flooding risk, requiring movement to Mertarvik. 2019 [31] [32] Shaktoolik
The definition of erosion is grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles. According to the IPCC, sea level rise caused by climate change will increase coastal erosion worldwide, significantly changing the coasts and low-lying coastal areas. [5]
Thus, if rainfall amounts and intensities increase in many parts of the world as expected, erosion will also increase, unless amelioration measures are taken. Soil erosion rates are expected to change in response to changes in climate for a variety of reasons. The most direct is the change in the erosive power of rainfall.
Climate, most directly through chemical weathering from rain, but also because climate dictates what kind of weathering occurs; [7] Lithology or the type of rock; Surface topography and changes to surface topography, such as mass wasting and erosion; [ 8 ] and
Erosion of mountains massifs can create a pattern of equally high summits called summit accordance. [73] It has been argued that extension during post-orogenic collapse is a more effective mechanism of lowering the height of orogenic mountains than erosion. [74] Examples of heavily eroded mountain ranges include the Timanides of
River erosion can be driven by tectonic uplift, climate, or potentially both mechanisms. It is difficult in many areas, however, to decisively pinpoint whether tectonism or climate change can individually drive tectonic uplift, enhanced erosion, and therefore terrace formation. In many cases, simplifying the geologic issue to tectonic-driven vs ...
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...
Erosion of exposed hillsides, mine dumps, tailings dams and resultant siltation of drainages, creeks and rivers can significantly affect the surrounding areas, a prime example being the giant Ok Tedi Mine in Papua New Guinea. [6] Soil erosion can decrease the water availability for plant growth, resulting in a population decline in the plant ...