Wave Movement

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“The line AB represents the surface of a water wave whose length is ai, moving in the direction of the long arrow. Suppose the wave length to be divided into eight equal parts, ab, bc, etc. If the water were still, the particles 1, 2, 3, etc., would lie directly above the points a, b, c, etc., but each particle is moving in a circular path in the direction shown by the curved arrows.” -Dryer, 1901




Charles R. Dryer Lessons in Physical Geography (New York, NY: American Book Company, 1901)


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