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Excerpt from Bulletin of the Mount Weather Observatory, 1913, Vol. 6 Old lake beaches, glacial moraines, and various other geological records give indisputable evidence of numerous climatic changes. It appears too that these changes were irregular in their times oi occur rence and irregular also in their intensity and duration. Many seem to have been mild and relatively fleeting, while a few were so profound and lasting as even to bring on ice ages and to cover extensive areas of the earth with glacial sheets, or, on the other hand, to melt these sheets away and to establish for long periods warm and genial climates over much the greater portion of the earth. When this series of climatic changes began there is no sure means of knowing, for the records, especially those of glacial origin, grow gradually fainter and more scanty with increase of geological age, and it is probable therefore that the effects of many of the earlier changes have long since been completely obliterated. But, however this may be, it is well nigh certain that from the time of the earliest known of these changes down to the very present the series has been irregularly continuous, and the end, one might reasonably assume. Is not yet. Change after change of climate in an almost endless succession, and even additional ice ages, presumably are still to be experienced, though, except small and fleeting changes to be noted below, when they shall begin, how intense they may be or how long they shall last no one can form the slightest idea. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Bulletin of the Mount Weather Observatory, Vol. 1 The meteorological service of the United States Government is com prised of many stations distributed over a broad area, but until the founding of Mount Weather no station was specifically devoted to research work. The position that the Weather Bureau now occupies in the United States and before the world justifies research into the fundamental principles that underlie meteorological science. Such research will give information and direction to the two hundred stations that are taking observations and making forecasts. In the application of known principles to the art of weather fore casting the Weather Service of the United States is doubtless in the forefront; on the other hand, it has not done its full part in the way of discovering new principles; therefore, it was high time that such an institution as Mount Weather be founded so that the scientists of the Weather Bureau might have placed at their disposal facilities for research that will enable them to better understand the influences that control weather conditions. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from Bulletin of the Mount Weather Observatory, Vol. 2 I. The region of terrestrial disturbance, extending from the ground to an elevation of roughly meters above its surface, in which the temperature gradient usually is very irregular and often locally reversed. This is also the principal region of cloud formation and of precipitation. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Bulletin of the Mount Weather Observatory, 1910, Vol. 2 In accordance with a recent announcement in the Monthly Weather Review, that publication will hereafter be confined to climatological data and the relations between climatology and practical problems in engi neering, hygienics, or agriculture. On the other hand, the Bulletin of the Mount Weather Observatory will be specifically devoted to a field not now covered by any American journal, i. E. Research and progress in aerology and all that higher physical meteorology to which we must look for future improvements in our forecasts of daily and seasonal weather. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Bulletin of the Mount Weather Observatory, 1911, Vol. 3 Bigelow, Frank H., studies on the general circulation of the atmosphere 151; 229 Bjerknes Prof. V., Computation of solenoids and energy in the gust of Oct. 4. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Bulletin of the Mount Weather Observatory, Vol. 5: Daily Changes in Temperature Up to 4, 000 Meters In previous papers in this bulletin the writer has discussed the course of the temperature in the lower layers Of the atmosphere revealed by means of synchronous automatic registers placed at summit and base stations. The last paper of the series appeared in this bulletin, Vol. IV, pages 310 - 341. It dealt with the temperature variations between Mount Weather and the adjoining valleys, one to the westward and one to the eastward. It was there shown that the amount Of the temperature change from one hour to another, or from one day to the next, depended largely upon the character of the weather prevailing at the time, and also differed as between mountain and valley stations in a manner hitherto known, but in which quantitative results showing the effect of cyclonic and anti cyclonic control were not available. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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. 1914 edition. Excerpt: ...changes.--The actual temperature range from sun-spot maximum to spot minimum varies roughly from 1 F. to 2 F., or possibly more, while the effect of volcanic dust appears to be fully as great--on rare occasions even much greater. In some ways, and in respect to many things, a range of average temperatures of 2 F. is well-nigh negligible, and therefore, however important the results may seem to the scientist, the ultra utilitarian would be justified in asking "What of it?" Much of it, in a distinctly practical as well as in a purely scientific sense, as is true of every fact of nature. For instance, during the summer or growing season a change of 1 F. produces a latitude shift of the isotherms by fully 80 miles. Hence, if there is but little or no volcanic dust to interfere, during sun-spot minima cereals and other crops may successfully be grown 50 to 150 miles farther north (or south in the southern hemisphere) than at the times of spot 651--13 3 maxima. This alone is of great practical importance, especially to those who live near the thermal limits of crop production. In addition to changing the area over which crop production is possible, a change of average temperature also affects, in some cases greatly, the time of plant development. Thus Walter has shown that a change of only 1.26 F. may alter, and in Mauritius has been observed actually to alter by as much as an entire year, the time required for the maturing of sugar cane. Hence the temperature changes that normally accompany sun-spot variations, though small in absolute magnitude, are of great importance, and, by availing ourselves of the reasonable foreknowledge we have of these changes, may easily be made of still greater importance. In forecasting these small but...
Excerpt from Bulletin of the Mount Weather Observatory, 1912, Vol. 4 There are five barometric highs on the oceans, as indicated by figure 1, that remain substantially fixed in position throughout the year though of varying intensity. No of these are approximately 35 north of the Equator and three about 32 south of it. Two occur in the Pacific Ocean, one just west of southern California, the other near the coast of Chile; two in the Atlantic Ocean, near Morocco and southern Africa, respectively; and one in the Indian Ocean about half way between southern Africa and Australia. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.