Abstract
II. AN appendix to Prof. Judd's section on the geological aspects of the eruption embraces a series of data collected by Dr. Meldrum, F.R.S., of Mauritius, regarding the falls of dust and the occurrence of masses of pumice throughout the Indian Ocean in 1883–84, which be had already communicated to the British Association in 1885. Mr. Scott's prefatory note thereon shows that while such data are of value in exhibiting the immense magnitude of the eruption they cannot help to throw much fresh light upon the question of the Indian superficial oceanic circulation, since the pumice was evidently affected almost as much by the motion of the air as by that of the water. Thus, while a comparison of the two maps reveals a general westerly drift in the direction of the well-known left-handed circulatory system of the Southern Indian Ocean, a detached phalanx of pumice masses of the north-west coast of Australia in 1884 (in the second map) shows, as Mr. Scott observes, a probable drift thither “before the northwest monsoon which would prevail in those seas from November 1883 to March 1884.”
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The Report of the Krakatão Committee of the Royal Society 1 . Nature 38, 566–568 (1888). https://doi.org/10.1038/038566d0
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DOI: https://doi.org/10.1038/038566d0