Abstract
DR. VAUGHAN CORNISH has written a charming book, full of interesting observations. He starts with descriptions of waves and ripples in blown sand, and passes later to the similar forms produced under water, giving many good photographs to illustrate their various characteristics. Whether the waves are large or small, or whether formed by wind or water, it is obvious that the same causes are at work, and the author rightly distinguishes these waves from drifts and sand banks, the latter having their lengths parallel to the direction of the average stream, while the ridges of the waves are at right angles to it. The origin of the lateral drift which gives rise to sand-banks was first explained by W. Froude and independently by Prof. James Thomson about the same time.
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References
Waves of Sand and Snow and the Eddies which Make Them. By Dr. Vaughan Cornish. Pp. 383 + plates. (London: T. Fisher Unwin, n.d.) Price 10s. net.
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MALLOCK, A. Waves in Sand and Snow 1 . Nature 93, 191–193 (1914). https://doi.org/10.1038/093191a0
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DOI: https://doi.org/10.1038/093191a0