Abstract
IN a communication to the Comptes rendus of January last Prof. Teisserenc de Bort gave a condensed account of the research relating to the decrease of temperature with elevation in the region of Paris. This investigation is, perhaps, the most complete that has been undertaken, for the deductions are made from the discussion of an excellent series of 581 aërial soundings by means of ballonsonde extending over five years. From so many observations the general conclusions are therefore of considerable weight, and the results of great importance. The author divides the observations into two groups, one (A) showing the results of 581 ascents, and the other (B) restricted to 141 ascents when the altitude attained fourteen kilometres. In the tabular statements which accompany the paper the temperature values are given for every 500 metres up to a height of 500 metres, after which values for each kilometre rise are adopted; the results are also grouped to show the changes between the four seasons of the year. Two sets of values for the air temperature in degrees Centigrade are given here, namely, those obtained during summer and winter, the letters under each heading belonging to the groupings previously referred to:—
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Relation Between Temperature and Elevation . Nature 69, 500 (1904). https://doi.org/10.1038/069500b0
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DOI: https://doi.org/10.1038/069500b0