Hw4 Assignment Example | Topics and Well Written Essays - 250 words

Hw4 - Assignment Example You can produce an Excel plot, or use other software, to paste into your Hwk 4 submission. If you plot by computer, please be sure to make the graph look similar to that shown on page 3.) Note that the distance scale is in kilometers and the depth scale is in meters. Thus, the depth data are vertically exaggerated (by a factor of 200) which enhances the subtle features of the ocean basin topography. A plot at true (1 to 1) scale will be provided later to show the actual topography. Vertical exaggeration is useful to display profile data when the horizontal extent of the data is very large and when the profile is relatively smooth. The data that are given in the table are sampled at a large interval (100 km between data points) and, thus, the bathymetric profile is only a rough approximation of the true ocean basin topography. However, the main features of the ocean basin are visible on the graph. A similar graph is shown in Figure 9.15 of L&T, 2014 and L&T, 2011. For additional infor mation, refer to pages 302-312, Lutgens & Tarbuck, 2014 (pages 265-270 of L&T, 2011; pages 250-257, L&T, 2008). 2. What is the approximate ocean depth at the mid-Atlantic ridge and the relief of the ridge (difference in depths, or elevations, between the top of the ridge and the adjacent, relatively flat ocean bottom)? 3. What is the approximate slope of the west flank of the mid-Atlantic Ridge (measure the difference in ocean depth along the profile between about 2200 km and 3200 km distance and divide by the difference in distance, 3200-2200 or 1000 km. Be sure that both measurements, differences in depth, and distance, are in the same units, either km or m. The resulting number will be the slope expressed as a ratio. The slope can also be given as a percent or as an angle. (Information (review) on calculating the slope of a line: