Experiment Station Record Volume 3

Experiment Station Record Volume 3

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1892 edition. Excerpt: ...by H. A. Hazen containing some general statements with reference to the fluctuations of temperature and pressure at the base and summit of Mount Washington in New Hampshire, which have been represented in charts in several recent numbers of the Review. The substance of this article is as follows: The last chart in this Review contains a continuation of the curves previously published, and completes these fluctuations for the months of January, February, and March, from 1871 to 1886, or for 16 years. (1) An interesting question arises as to the effect of the mountain upon the temperature of the air. The curves seem to show that if there is any effect it is exceedingly slight and can not influence the maximum and minimum points, except to prevent the extreme rise and fall in warm and cold waves that might occur in the free air; In other words, the temperature in a warm wave might not rise quite so high if the summit were cooler than the air and might not fall quite so low in a cold wave if the summit rocks were warmer than the air. It would appear that under any and all circumstances the dips and rises in the fluctuations of temperature at the summit would not be shifted appreciably in time of occurrence by the presence of the mountain. (2) Is the diurnal range entirely eliminated from the base curve f It will be noted that the base curve shows a great many minor fluctuations of temperature not to be found in the summit curve, and a close inspection will show that many of these are due to the diurnal range. For example, with a clouded sky the diurnal range has been overcompensated, since the clouds prevent radiation at night and isolation by day. These cases, however, are very few and the effects are not sufficiently strong to obliterate...
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Product details

  • Paperback | 586 pages
  • 189 x 246 x 30mm | 1,034g
  • United States
  • English
  • black & white illustrations
  • 1236883527
  • 9781236883520