PaperAssignment - TaTyana Wilson Paper Assignment Natural...

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TaTyana Wilson Paper Assignment Natural Disasters Sea level is rising steadily but surely. According to the USGS Land Subsidence article, sea level is rising at a rate ranging from 3.5 to 4.4 mm/yr (in the bay area). So with this information it is safe to calculate the rise of sea level in 10 years, 20 years and 50 years. Scientist know this rate from several studies being done over the years and looking at the rise on charts and graphs. We also know this from using extensometers as a method of measuring land subsidence which relates to sea level rise in a great way. In 10 years I feel as though sea levels will have risen at from at least 35 to 44 mm/yr (10 x 3.5 and 10 x 4.4). In 20 years sea level will be approximately 70 to 88 mm/yr higher. In 50 years sea level will have risen around 175 to 220 mm/yr higher. Repeat measurements at many different locations have been done to improve and fully understand this phenomenon as stated in the article. Land subsidence is the sinking and lowering of the land surface. Which causes flooding, alters wetlands and damages infrastructure. This is one of the main contributions to the rise in sea level because once the land starts to shift and lower, that leaves room for water to rise. The
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  • Spring '15
  • Young
  • Geology, sea level, USGS Land Subsidence

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