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. 1920 edition. Excerpt: ...each type of cloud is lower in winter than summer, lower over humid than over desert regions, lower over oceans than continents, and lower with increase of latitude. The table on this page, copied from Hann's "Lehrbuch der Meteorologie," gives the average summer and winter heights of clouds at places ...
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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. 1920 edition. Excerpt: ...each type of cloud is lower in winter than summer, lower over humid than over desert regions, lower over oceans than continents, and lower with increase of latitude. The table on this page, copied from Hann's "Lehrbuch der Meteorologie," gives the average summer and winter heights of clouds at places of widely different latitudes. Levels of Maximum Cloudiness.--When the frequency of clouds is tabulated with reference to elevation, maxima and minima are found with the layers to which they obtain growing thicker with decrease of latitude. This phenomenon, as a whole, is interesting, but it will be necessary, in discussing it, to consider the different levels separately, since each has its own explanation. Fog Level.--As already explained, fogs, whether caused by radiation or advection, are surface phenomena, seldom more than 100 to 200 metres thick. Hence the surface of the earth, because of the fogs that form upon it, is itself a level of maximum condensation or maximum " cloudiness." Cumulus Level.--Since the cumulus and the cyclone nimbus both are due to vertical convection--the first thermal, the second forced--it is obvious that the base of each occurs approximately at the saturation level; that is, the level at which a mass of air rising from the surface will have cooled to its dew-point. Clearly, too, clouds cannot form at a lower level, the air there being unsaturated, and even if drifted in they would evaporate. Further, ordinary thermal convection usually does not extend to much higher altitudes, because the cooling of the rising mass through expansion and evaporation (the outer portions, at least, of the cloud evaporate) quickly brings it to or below the temperature of the surrounding air at the same level, ...
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Add this copy of Physics of the Air to cart. $10.00, fair condition, Sold by The Book House - Saint Louis rated 4.0 out of 5 stars, ships from St. Louis, MO, UNITED STATES, published 1964 by Dover Publications.
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Add this copy of Physics of the Air to cart. $17.41, fair condition, Sold by Wonder Book - Member ABAA/ILAB rated 5.0 out of 5 stars, ships from Frederick, MD, UNITED STATES.
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UsedGood. Hardcover; with a new preface by Julius London; surplus library copy with t he usual stampings; reference number taped to spine; fading and shelf wear to exterior; in good condition with clean text, firm binding. No dust jacke t. This Dover edition, first published in 1964, is an unabridged republicat ion of the 3rd (1940) edition, published by McGraw-Hill.
Add this copy of Physics of the Air to cart. $73.86, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Hialeah, FL, UNITED STATES, published 2015 by Arkose Press.
Add this copy of Physics of the Air to cart. $74.68, new condition, Sold by Booksplease rated 4.0 out of 5 stars, ships from Southport, MERSEYSIDE, UNITED KINGDOM, published 2015 by Arkose Press.
Add this copy of Physics of the Air to cart. $76.08, new condition, Sold by Booksplease rated 4.0 out of 5 stars, ships from Southport, MERSEYSIDE, UNITED KINGDOM, published 2015 by Arkose Press.
