Download or read book Agriculture in Semi Arid Environments written by A.E. Hall and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: The semi-arid zones of the world are fragile ecosystems which are being sub stantially modified by the activities of mankind. Increasing human populations have resulted in greater demands on semi-arid zones for providing human susten ance and the possibility that this may enhance desertification is a grave concern. These zones are harsh habitats for humans. The famines that resulted from drought during the late 1960's and the 1970's in the African Sahel illustrated the unreliability of present agricultural systems in this zone. Large fluctuations in ag ricultural production have occurred in semi-arid zones of Australia, North Ameri ca, and the Soviet Union due to periodic droughts, even though considerable ag ricultural technology has been devoted to agricultural development in these zones. The challenge to mankind is to manage these different semi-arid zones so that pro ductivity is increased and stabilized, and environmental deterioration is decreased. Irrigation can be used to increase and stabilize agricultural production in semi-arid zones as discussed in Volume 5 of this series, Arid Zone Irrigation. The present volume, Agriculture in Semi-Arid Environments, focuses on dryland farming in semi-arid zones, and is relevant to the large areas of the world where rainfall is limiting and where water is not available for irrigation. This volume is designed to assist agricultural development in these areas and consists of reviews and analyses of available information by scientists working in Africa, Australia, and at the U ni versity of California.

Download or read book Standard Handbook of Environmental Engineering written by Robert A. Corbitt and published by McGraw-Hill Professional Publishing. This book was released on 1999 with total page 1364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now revised and updated, the second edition of this book includes new topics including a look at pollution prevention, drinking water standards, volatile organic compounds, indoor air quality and emissions monitoring.

Download or read book Climatic Atlas of the Outer Continental Shelf Waters written by William A. Brower and published by . This book was released on 1977 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graphic and tabular presentation of the present knowledge of climatological conditions in three Alaskan marine and near coastal areas that are important to resource development of the outer continental shelf - the Gulf of Alaska (v.1), the Bering Sea (v.2) and the Chukchi and Beaufort Seas (v.3).

Download or read book Preliminary Determination of Epicenters written by and published by . This book was released on 1970 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Guidance for Preparing a Facility Plan written by United States. Environmental Protection Agency. Office of Water Program Operations. Municipal Construction Division and published by . This book was released on 1975 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book 2019 American Practical Navigator Bowditch Vol 1 2 Combined Edition written by Nathaniel Bowditch and published by Paradise Cay Publications. This book was released on 2020-02-02 with total page 1230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2019 edition of The American Practical Navigator (Bowditch), Pub No. 9, exists to codify the latest body of marine navigation knowledge and practical application. Its publication success is a result of the dedicated efforts of many hands and voices from academia, science and seafaring experts. This edition has advanced from the judiciously shaped recommendations-some comprehensive, some minute, all indispensable-of a multitude of maritime and science professionals. At the same time, it was equally essential that those recommendations be compared, vetted, and applied in a consistent manner and with a clear vision, a challenging task performed in exemplary fashion by this edition's principal editor, Dr. Gerard J. Clifford, Jr.

Download or read book Interim Synthesis Report written by and published by . This book was released on 1978 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines consequences of outer continental shelf petroleum development in light of current knowledge. Cover title: Environmental assessment of the Alaskan continental shelf.

Download or read book Catalog of Copyright Entries Third Series written by Library of Congress. Copyright Office and published by Copyright Office, Library of Congress. This book was released on 1975 with total page 1760 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The U S Naval Institute on the U S Naval Academy The Challenges written by Thomas J Cutler and published by Naval Institute Press. This book was released on 2016-06-15 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Naval Institute Chronicles series focuses on the relevance of history by exploring topics like significant battles, personalities, and service components. Tapping into the U.S. Naval Institute's robust archives, these carefully selected volumes help readers understand nuanced subjects by providing unique perspectives and some of the best contributions that have helped shape naval thinking over the many decades since the Institute's founding in 1873. Since it began in 1845, the U.S. Naval Academy has faced many challenges as it continually strives to find the right figurative balance between Athens and Sparta. This edition of Chronicles recalls many of those challenges as they appeared in Naval Institute publications for most of the Academy's existence.

Download or read book Nuclear Fuel Supply written by U.S. Atomic Energy Commission. Office of the Assistant Director for Raw Materials and published by . This book was released on 1973 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Basic Radiology Second Edition written by Michael Y. M. Chen and published by McGraw Hill Professional. This book was released on 2010-08-27 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: A well-illustrated, systems-based primer on learning radiologic imaging Basic Radiology is the easiest and most effective way for medical students, residents, and clinicians not specializing in radiologic imaging to learn the essentials of diagnostic test selection, application, and interpretation. This trusted guide is unmatched in its ability to teach you how to select and request the most appropriate imaging modality for a patient’s presenting symptoms and familiarize yourself with the most common diseases that current radiologic imaging can best evaluate. Features: More than 800 high-quality images across all modalities A logical organ-system approach Consistent chapter presentation that includes: ---Recap of recent developments in the radiologic imaging of the organ system discussed ---Description of normal anatomy ---Discussion of the most appropriate imaging technique for evaluating that organ system ---Questions and imaging exercises designed to enhance your understanding of key principles Brief list of suggested readings and general references Timely chapter describing the various diagnostic imaging techniques currently available, including conventional radiography, nuclear medicine, ultrasonography, computed tomography, and magnetic resonance imaging An important chapter providing an overview of the physics of radiation and its related biological effects, ultrasound, and magnetic resonance imaging

Download or read book Celestial Mechanics written by Pierre Simon marquis de Laplace and published by . This book was released on 1966 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The American Practical Navigator Vol 1 written by Nathaniel Bowditch and published by . This book was released on 2017-12-18 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: I am honored to welcome you to the 2017 edition of The American Practical Navigator, or as most mariners refer to it, "Bowditch." This edition is the outcome of countless hours of hard work by many dedicated, passionate, and skilled colleagues from a variety of disciplines. And it was this team of scientific and operational navigation experts, led by Dr. Jerry Clifford, which has created this contemporary edition that stands ready to address the challenges faced by today's navigators and mariners.Since the last edition, there have been huge advancements in positioning methodologies and navigation systems. In some cases, what was old is new again, so we focused considerable effort into improving the celestial navigation and piloting chapters. Hand-plotting latent fixes on paper charts has been overtaken by Electronic Chart Display and Information Systems that continuously tell you where you are, provide warnings when standing into danger, and display radar and Automatic Identification System information to heighten situational awareness. Older graphics have been replaced by newer, higher resolution images to better illustrate the purpose of the text.Needless to say, we are justifiably proud of this 2017 edition and equally honored to continue such a noteworthy legacy of the navigational expertise first introduced by Nathaniel Bowditch 215 years ago. CAPT Brian D. Connon, United States Navy Director.PART 1, FUNDAMENTALS, includes an overview of the topic of marine navigation and the organizations which develop, support and regulate it. These fundamentals include chapters relating to geodesy and chart datums; modern hydrography; the types, structure, use and limitations of nautical charts; electronic chart display and information systems.PART 2, PILOTING, mainly emphasizes the practical aspects of navigating a vessel in restricted waters, using both traditional and electronic methods.PART 3, CELESTIAL NAVIGATION, reflects the renewed interest in the age old art and science of navigation by the stars, planets, moon and sun. PART 4, INERTIAL NAVIGATION, is often referred to as a sophisticated dead reckoning method. The topic is re-introduced in the 2017 edition.PART 5, RF NAVIGATION TECHNIQUES, explains the nature of radio waves and electronic navigation systems. Chapters deal with several electronic methods of navigation--satellite, Loran, and Radar, with special emphasis on satellite navigation systems.PART 6, ALTERNATIVE NAVIGATION TECHNIQUES, addresses the topic of bathymetric navigation. Doppler sonar navigation is also reintroduced.PART 7, NAVIGATIONAL SAFETY, discusses recent developments in management of navigational resources, the changing role of the navigator, distress and safety communications, procedures for emergency navigation, and the increasingly complex web of navigation regulations.PART 8, ICE & POLAR NAVIGATION, a chapter on polar navigation is reintroduced in the 2017 edition.PART 9, OCEANOGRAPHY, has been updated to reflect the latest science and terminology.PART 10, MARINE METEOROLOGY, incorporates updated weather information and many new graphics.

Download or read book Publications of the U S Geological Survey 1971 1981 written by and published by . This book was released on 1986 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Human Ecology of Coastal Flood Hazard in Megalopolis written by Ian Burton and published by . This book was released on 1969 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Coastal Flood Forecasting written by Great Britain. Environment Agency and published by . This book was released on 2007* with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: