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Author: Adolphus Washington Greely
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 104
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Extract from a letter of the Secretary of war on irrigation and water storage in the arid region.
Author: Adolphus Washington Greely
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 104
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Book Description
Extract from a letter of the Secretary of war on irrigation and water storage in the arid region.
Author: Adolphus Washington Greely
Publisher: Palala Press
ISBN: 9781377631820
Category : Juvenile Nonfiction
Languages : en
Pages : 104
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: W. A. Glassford
Publisher:
ISBN: 9780649429745
Category :
Languages : en
Pages : 96
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Book Description
Author: Adolphus Washington Greely
Publisher: Forgotten Books
ISBN: 9780260102287
Category :
Languages : en
Pages : 90
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Book Description
Excerpt from Report on the Climate of Arizona: With Particular Reference to Questions of Irrigation and Water Storage in the Arid Region In this connection it seems also important to consider the absolute humidity conditions over the arid region, that is, the actual quantity of aqueous vapor contained in each cubic foot of air at or near the surface of the earth. On charts Nos. 2 and 3 are shown typical curves with reference to the absolute humidity of the air, which is expressed in the number of grains of water in each cubic foot of air. In preparing these charts it has been necessary to ignore State lines, as the distribution of moisture and damp air depends so very largely not only on the contiguity to the ocean, but also on the direction of the prevailing winds and the character of the intervening country over which the wind must pass from the source of water supply. Consequently these typical curves have been drawn for the Pacific coast region, the interior of California, and for Nevada, Utah, Colorado, New Mexico, and Arizona. The important hearing which the prevalence of moisture or dry air has upon growing vegetation is well known, but further than this it has an equally important bearing upon the methods of irrigation, since the drier the air the greater the quantity of stored or flowing water which will be evaporated thereby. As will be noted by reference to these charts, the greatest quantity of water is not found in the same month over all parts of the arid region. In addition to the charts, it appears advisable to make some general statements as to the prevalence of moisture or dry air over the regions under consideration. It is impracticable to draw for general conclusions any hard and fast line as to what constitutes very dry or very wet air, as this question turns on the normal temperatures, which in turn depend materially on the lati tude, the elevation, and the locality with reference to great bodies of water. In general terms, however, it has been decided for present purposes to consider as very dry that air which contains during the colder half of the year - from October to March, inclusive - less than 1 grain of aqueous vapor to each cubic foot of air over Montana, Idaho, and the Dakotas, and less than 2 grains of aqueous vapor to each cubic feet of air over Arizona and New Mexico, with intermediate conditions for the intervening country. During the six warmer months of the year - April to September, inclusive - the limiting figures have been placed at 2 grains for the more northerly sections named and 3 grains for the more southerly. Under these limitations it appears that there is no very dry air over the arid regions during October, but that over the whole region west of the one hundredth meridian, except in California, Oregon, and Washington, along the coast region of the Pacific Ocean, the air gradually grows drier until January, when there is less than 1 grain of aqueous vapor to a cubic foot of air over the Dakotas, Wyoming, Kansas, Nebraska, and the greater part of Colorado; while less than a grain and a half per cubic foot is then to be found over northwestern Texas, the greater part of New Mexico, northern Arizona, Utah, Nevada, Idaho, and the western parts of Washington and Oregon. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
Author: Adolphus Washington Greely
Publisher:
ISBN:
Category : California
Languages : en
Pages : 244
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Book Description
Author: Adolphus Washington Greely
Publisher: Palala Press
ISBN: 9781346611532
Category :
Languages : en
Pages : 240
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: United States. Army. Signal Corps
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 74
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Book Description
Author: Adolphus Washington Greely
Publisher:
ISBN:
Category : History
Languages : en
Pages : 80
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Book Description
Author: Adolphus Washington Greely
Publisher: Forgotten Books
ISBN: 9780332276489
Category : Science
Languages : en
Pages : 88
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Book Description
Excerpt from Report on the Climate of Colorado and Utah, With Particular Reference to Questions of Irrigation and Water Storage in the Arid Region, 1891 In this connection it seems also important to consider the absolute humidity conditions over the arid region, that is, the actual quantity of aqueous vapor contained in each cubic foot of air at or near the surface of the earth. On charts Nos. 2 and 3 are shown typical curves with reference to the absolute humidity of the air, which is expressed in the number of grains of water in each cubic foot of air. In preparing these charts it has been necessary to ignore State lines, as the distribution of moisture and damp air depends so very largely not only on the contiguity to the ocean, but also on the direction of the prevailing winds and the character of the intervening country over which the wind must pass from the source of water supply. Consequently these typical curves have been drawn for the Pacific coast region, the interior of California, and for Nevada, Utah, Colorado, New Mexico, and Arizona. The important bearing which the prevalence of moisture or dry air has upon growing vegetation is well known, but further than this it has an equally important bearing upon the methods of irrigation, since the drier the air the greater the quantity of stored or flowing water which will be evaporated thereby. As will be noted by reference to these charts, the greatest quantity of water is not found in the same month over all parts of the arid region. In addition to the charts, it appears advisable to make some general statements as to the prevalence of moisture or dry air over the regions under consideration. It is impracticable to draw for general conclusions any hard and fast line as to what constitutes very dry or very wet air, as this question turns on the normal temperatures, which in turn depend materially on the lati tude, the elevation, and the locality with reference to great bodies of water. 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.
Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 930
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Book Description
