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Book The Hydraulic Principles Governing River and Harbor Construction  Classic Reprint

Download or read book The Hydraulic Principles Governing River and Harbor Construction Classic Reprint written by Curtis McDonald Townsend and published by . This book was released on 2015-07-21 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Hydraulic Principles Governing River and Harbor Construction During his professional career the writer has prepared numerous projects, and has answered many criticisms of the methods employed in the improvement of rivers and harbors. The following pages are derived principally from these sources. In replying to complainants, the author came to the conclusion that there was a commendable interest among the American people in the subject of the improvement of rivers and harbors, and a deplorable ignorance of the fundamental principles governing the flow of water in natural channels. Such is his apology for this publication. The ordinary textbook on hydraulics treats principally of the flow of water in pipes and conduits, and the ordinary engineer is apt to consider a river as merely a large conduit governed by the same laws, ignoring the change in conditions arising from the fact that the walls of a pipe are not affected by the velocity of flow through it, while the channels of a silt-bearing stream expand or contract with every change in the volume of discharge. This fact is ignored also by many writers on river hydraulics, whose textbooks contain more or less elaborate discussions of the formulas which are authoritatively stated as guides for determining the depth in a contracted waterway. In a rock cut, these formulas give as accurate results as they do when applied to a sewer or to a pipe, but in the alluvium of the Mississippi or Missouri rivers, scour caused by the contraction produces a radical change in the hydraulic radius. Water flowing in a river channel is governed by the same immutable laws as when flowing in pipes, but theses laws are so modified in the river by those governing the flow of sediment that effects are produced which are erroneously termed exceptions to general laws. For example if a given pipe is replaced by one of less diameter, the head (slope) must be increased to obtain the same discharge. 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.

Book Municipal Reference Library Notes

Download or read book Municipal Reference Library Notes written by New York Public Library. Municipal Reference Library and published by . This book was released on 1924 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Notes   Municipal Reference and Research Center

Download or read book Notes Municipal Reference and Research Center written by Municipal Reference and Research Center (New York, N.Y.) and published by . This book was released on 1923 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pacific Marine Review

Download or read book Pacific Marine Review written by and published by . This book was released on 1923 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Books in Series  1876 1949

Download or read book Books in Series 1876 1949 written by R.R. Bowker Company and published by New York : R.R. Bowker. This book was released on 1982 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book American Book Publishing Record

Download or read book American Book Publishing Record written by and published by . This book was released on 1980 with total page 1658 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The United States Catalog

Download or read book The United States Catalog written by and published by . This book was released on 1928 with total page 1644 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Norton s Literary Gazette and Publishers  Circular

Download or read book Norton s Literary Gazette and Publishers Circular written by and published by . This book was released on 1854 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Bulletin of the Atomic Scientists

Download or read book Bulletin of the Atomic Scientists written by and published by . This book was released on 1972-10 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

Book The New Encyclop  dia Britannica  Macrop  dia   Knowledge in depth

Download or read book The New Encyclop dia Britannica Macrop dia Knowledge in depth written by and published by . This book was released on 2002 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt: V.1-12 Micropaedia: Ready reference -- V.13-29 Macropaedia: Knowledge in depth -- V.[30] Propaedia: Outline of knowledge -- V.[31] Index, A-K -- V.[32] Index, L-Z.

Book The New Encyclop  dia Britannica  Macrop  dia

Download or read book The New Encyclop dia Britannica Macrop dia written by and published by . This book was released on 1993 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt: This encyclopedia includes a two-volume index, a 12-volume Micropaedia (Ready reference), a 17-volume Macropaedia (Knowledge in depth), and the Propaedia.

Book Perspectives In Plant Ecology And Environmental Biology

Download or read book Perspectives In Plant Ecology And Environmental Biology written by Prithipal Singh and published by Scientific Publishers. This book was released on 2006-03-01 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume commemorates the Golden Jubilee Year of the establishment of Kirorimal College. This prestigious institution was honoured by the gracious presence of the First President of India, Dr. Rajindra Prasad who laid the foundation of the college building.This commemorative volume focuses attention on the growing awareness about plant ecology and environment biology. The different contributions present an up-to-date, detailed and balanced overview of the current knowledge within specific topics.Man has interacted with nature in various ways since the dawn of civilization. Primitive societies ensured that a proper balance was maintained. The situation has changed by the various developmental activities of man. We are losing our natural resources, biodiversity, genetic diversity, and are unable to manage nature. The consequences are becoming apparent in the form of drought, floods, depletion of the ozone layer, global warming, climate change, melting of snow, rising of water levels in coastal areas, desertification, etc. These concern ecologists/ environmentalists and should receive adequate attention by students who study ecology.In this volume, emphasis has been laid on areas such as Climate Change, Environmental Laws, Biodiversity Act, Intellectual Property Rights, Mineral Industry and Environment, Remote Sensing, GIS and the environment, Diversity and Distribution of wild relatives of crop plants, Sustainable agriculture, Management of Protected Areas, Wetland ecosystems, and Coastal Erosion.The volume is meant to serve as useful reference book for graduate and post-graduate students.

Book The Builder

Download or read book The Builder written by and published by . This book was released on 1876 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Principles of Political Economy

Download or read book Principles of Political Economy written by John Stuart Mill and published by . This book was released on 1866 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Popular Mechanics

    Book Details:
  • Author :
  • Publisher :
  • Release : 2000-01
  • ISBN :
  • Pages : 140 pages

Download or read book Popular Mechanics written by and published by . This book was released on 2000-01 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.