Author: Carl O. Sauer
Publisher: Forgotten Books
ISBN: 9781528571869
Category : Science
Languages : en
Pages : 164
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Excerpt from The Geographic Society of Chicago, Vol. 6: Starved Rock State Park and Its Environs Survey; and Professor Cowles, of the University of Chicago - for their several contributions, which have been made without expense to the Society. The compensation of the authors must come from the grati tude of those who use the volume. If it shall prove that they have helped others to see, to understand, and to appreciate, they will feel repaid for their work. The Geological Survey of the state, ever mindful of the interests of the citizens of the state, has generously furnished the topographic and geologic maps which accompany the volume, and has, from the beginning, encouraged in every way the preparation of the volume. 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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Category :
Languages : en
Pages :
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Author: Geographic Society of Chicago
Publisher:
ISBN:
Category : Geography
Languages : en
Pages : 386
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ISBN:
Category :
Languages : en
Pages : 0
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Author: Geographic Society Of Chicago
Publisher: Rarebooksclub.com
ISBN: 9781230073194
Category :
Languages : en
Pages : 114
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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. 1913 edition. Excerpt: ... animal environment is a combination of moisture, temperature, light, pressure, materials for abode and food, all of which factors taken together constitute a complex of interdependences. These various factors are so dependent upon one another that any change in one usually affects several others. This property of environmental complexes is what makes ecology one of the most complex of sciences, and experimentation in which the environment is kept normal except for one factor, an ideal rarely realized in practice, even under the best conditions. The efforts of ecologists, geographers, and climatologists have long been directed toward the finding of a method of measuring the environment which shall include a number of the most important environmental factors. De Candolle undertook to base the efficiency of a climate, for supporting plants, upon the mean daily temperatures above 6 C, this temperature being taken as the starting-point of plant activity. Merriam has followed this lead and calculated total temperatures for many places in North America and made maps and zones based upon such totals. This system, however, has been rejected by botanists and plant ecologists on account of much evidence, both experimental and observational, which is quite out of accord with this view. The scheme has not been generally accepted by zoologists outside of the United States Biological Survey. There is practically no evidence of an experimental sort for the application of such a scheme to animals. Relative humidity has been suggested as an important index (128) but does not properly express the influence of atmospheric humidity upon the animal body (125, p. 53). The saturation deficit has also been suggested but does not take temperature into account. I..
Author: Geographic Society of Chicago
Publisher:
ISBN:
Category : Chicago (Ill.)
Languages : en
Pages : 304
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Author: Geographic Society of Chicago
Publisher:
ISBN:
Category :
Languages : en
Pages : 52
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Category : Geology
Languages : en
Pages : 1034
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Author: Geographic Society of Chicago
Publisher: Palala Press
ISBN: 9781358619038
Category :
Languages : en
Pages :
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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: Mark Monmonier
Publisher: University of Chicago Press
ISBN: 022615212X
Category : Science
Languages : en
Pages : 1941
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For more than thirty years, the History of Cartography Project has charted the course for scholarship on cartography, bringing together research from a variety of disciplines on the creation, dissemination, and use of maps. Volume 6, Cartography in the Twentieth Century, continues this tradition with a groundbreaking survey of the century just ended and a new full-color, encyclopedic format. The twentieth century is a pivotal period in map history. The transition from paper to digital formats led to previously unimaginable dynamic and interactive maps. Geographic information systems radically altered cartographic institutions and reduced the skill required to create maps. Satellite positioning and mobile communications revolutionized wayfinding. Mapping evolved as an important tool for coping with complexity, organizing knowledge, and influencing public opinion in all parts of the globe and at all levels of society. Volume 6 covers these changes comprehensively, while thoroughly demonstrating the far-reaching effects of maps on science, technology, and society—and vice versa. The lavishly produced volume includes more than five hundred articles accompanied by more than a thousand images. Hundreds of expert contributors provide both original research, often based on their own participation in the developments they describe, and interpretations of larger trends in cartography. Designed for use by both scholars and the general public, this definitive volume is a reference work of first resort for all who study and love maps.
