Abstract
AN endeavour to solve the so-called mystery of the dew-pond has recently been made by Mr. E. A. Martin, and the results of some of his observations are shown in a paper which appears in the Geographical Journal for August. The paper was read before the Research Department of the Royal Geographical Society on April 22. Attempts were made by direct experiment to ascertain how the replenishment of such ponds takes place. During the autumn of 1908, Mr. Martin spent many nights and days on the Clayton downs, in Sussex, and thus was on the spot during the hours when, according to theory, the ponds should be receiving dew. The result of a large number of ther-mometrical observations went to show that very rarely does the temperature of the water of the ponds sink below that of the air above it, or below dew-point.
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Scientific Studies of Dew-Ponds. Nature 81, 458–459 (1909). https://doi.org/10.1038/081458a0
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DOI: https://doi.org/10.1038/081458a0