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Classroom activity:
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In order to further explore the horizontal movement of currents, such as the kind we see in ocean surface currents, we performed the following exercise that was modified from an SFSU oceanography lab course activity designed by Professor Karen Grove. http://virga.sfsu.edu/courses/geol103/labs/currents/part1.html |
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Materials:Copy of the data table Copy of the Pacific Ocean Map Map of Surface Currents |
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Procedures:What patterns do we see in real ocean circulation data that can help us understand some of our models and the questions they raise about the complexity of real ocean currents? 1. The groups plotted the 1995 data from 3 buoys in the North Pacific (Table 1. NORTH PACIFIC BUOY DATA, on the maps of the Pacific Ocean.)
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Results:A brief discussion about the patterns observed with the buoy data followed. The teachers noted that the currents make a loop in the North Pacific and they were asked to compare their data with the larger pattern of surface currents in the ocean (Map of Surface Currents). The teachers pondered the following questions to be addressed further during Session #2 on November 2, 2002:
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