Texas A&M University
Department of Oceanography
Activity: Echo sounder chart
Echo sounders compute the ocean's depth based upon the return time of a pulse of sound. Can you make a profile from this actual echo sounding data from an area near Iceland? Then graph the seafloor using your own graph paper.
Chart | Hint A | Hint B | Hint C | Answer
| Horizontal Distance (km) | Depth (m) | Two-way travel time (sec) |
| 0 | -2600 | -1.73 |
| 205.7 | __________ | -1.47 |
| 280.8 | -1700 | __________ |
| 333.6 | __________ | -0.8 |
| 444.8 | -700 | __________ |
| 583.8 | __________ | -0.33 |
| 645 | -1000 | __________ |
| 672.8 | -1500 | -1.00 |
| 695 | __________ | -1.33 |
| 725.6 | -2900 | __________ |
| 789.5 | __________ | -2.33 |
http://oceanography.tamu.edu/Quarterdeck/1998/3/sager-chart.html
Copyright 1998-1999, Department
of Oceanography, Texas A&M University.
Updated November 24, 1998. (abdw)
Send Quarterdeck inquiries to quarterdeck@ocean.tamu.edu.
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