Solutions_2

# Solutions_2 - CE 341 Homework Assignment#2 Due Friday[20 1...

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CE 341 Homework Assignment #2 Due Friday, Sept 11, 2009 [20] 1. Problem 8.5 from Masters. Plot the data in Excel (or some other program) and determine the slope of the line using linear regression. Hand in the plot. Temp ( ° C) = 0.1661 D( o / oo ) + 72.45 ° C

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[20] 2. Plot the Vostok ice core temperature record (see class website for data file). Use the equation from problem 8.5 to calculate the temperature from the deuterium isotope ratio. [2] a) What causes the major ~100,000 year oscillations in the temperature record? [5] b) Historically what has been the typical temperature of Antarctica – was it typically colder or warmer than current temperatures and by how much? data are from an interesting public website, the NOAA Paleoclimatology database portal: www.ncdc.noaa.gov/paleo/paleo.html [2] a) The major oscillations in temperature between glacial and interglacial periods are attributed to changes in the eccentricity of the earths orbit. This has a time period of about 100,000 years.
[5] b) Antarctica has typically been colder. Average temp difference = -4.5 C colder, but

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Solutions_2 - CE 341 Homework Assignment#2 Due Friday[20 1...

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