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Earths Magnetism In The Age Of Sail
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Book Synopsis Earth's Magnetism in the Age of Sail by : A. R. T. Jonkers
Download or read book Earth's Magnetism in the Age of Sail written by A. R. T. Jonkers and published by JHU Press. This book was released on 2003-05-21 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jonkers explores these early efforts both for what they reveal about the history of science and navigation and as a unique record of the actual changes in the Earth's magnetic field. The result, a combination of science and history, will appeal to a broad audience of specialists as well as general readers."--BOOK JACKET.
Book Synopsis The Earth's Magnetism by : Roberto Lanza
Download or read book The Earth's Magnetism written by Roberto Lanza and published by Springer Science & Business Media. This book was released on 2006-08-09 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Initially, this book reviews the general characteristics of the Earth’s magnetic field and the magnetic properties of minerals, and then proceeds to introduce the multifold applications of geomagnetism in earth sciences. The authors analyze the contribution of geomagnetism both in more general geological fields, such as tectonics and geodynamics, and in applied ones, such as prospecting and pollution. Primarily, the book is aimed at undergraduate geology or geophysics students. It is geared to provide them with a general overview of geomagnetism, allowing them to understand what contributions this branch of science can offer in the more special sectors of earth sciences. Graduate students and geology researchers will also benefit from it, as it enables them to gain a clear and concise image of the techniques which can be applied in their areas of specialization.
Book Synopsis Our Magnetic Earth by : Ronald T. Merrill
Download or read book Our Magnetic Earth written by Ronald T. Merrill and published by University of Chicago Press. This book was released on 2011-01-15 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the general public, magnetism often seems more the province of new age quacks, movie mad scientists, and grade-school teachers than an area of actual, ongoing scientific inquiry. But as Ronald T. Merrill reveals in Our Magnetic Earth, geomagnetism really is an enduring, vibrant area of science, one that offers answers to some of the biggest questions about our planet’s past—and maybe even its future. In a clear and careful fashion, he lays out the physics of geomagnetism and magnetic fields, then goes on to explain how Earth’s magnetic field provides crucial evidence for our understanding of continental drift and plate tectonics; how and why animals, ranging from bacteria to mammals, sense and use the magnetic field; how changes in climate over eons can be studied through variations in the magnetic field in rocks; and much more. Throughout, Merrill peppers his scientific account with bizarre anecdotes and fascinating details, from levitating pizzas to Moon missions to blackmailing KGB agents—a reminder that real science can at times be stranger, and more amusing, than fiction. A winning primer for anyone who has ever struggled with a compass or admired a ragged V of migrating geese, Our Magnetic Earth demonstrates that education and entertainment need not be polar opposites.
Book Synopsis Geography, Technology and Instruments of Exploration by : Fraser MacDonald
Download or read book Geography, Technology and Instruments of Exploration written by Fraser MacDonald and published by Routledge. This book was released on 2016-04-22 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on aspects of the functioning of technology, and by looking at instruments and at instrumental performance, this book addresses the epistemological questions arising from examining the technological bases to geographical exploration and knowledge claims. Questions of geography and exploration and technology are addressed in historical and contemporary context and in different geographical locations and intellectual cultures. The collection brings together scholars in the history of geographical exploration, historians of science, historians of technology and, importantly, experts with curatorial responsibilities for, and museological expertise in, major instrument collections. Ranging in their focus from studies of astronomical practice to seismography, meteorological instruments and rockets, from radar to the hand-held barometer, the chapters of this book examine the ways in which instruments and questions of technology - too often overlooked hitherto - offer insight into the connections between geography and exploration.
Book Synopsis Treatise on Geophysics, Volume 5 by : Masaru Kono
Download or read book Treatise on Geophysics, Volume 5 written by Masaru Kono and published by Elsevier. This book was released on 2010-05-11 with total page 605 pages. Available in PDF, EPUB and Kindle. Book excerpt: Treatise on Geophysics: Geomagnetism, Volume 5, provides an overview of the most important aspects of geomagnetism. The book begins by tracing the history of the study of geomagnetism. It then reviews global models of the Earth's magnetic field; the main sources of external magnetic field contributions; and the instruments and practices used to observe and measure the full range of features of the geomagnetic field. It discusses the origins of current knowledge of the secular variation of the Earth's magnetic field; crustal magnetism; geomagnetic excursions; the study of geophysical electromagnetic induction; the magnetization process; and the status of recent magnetic field data and their applications. The remaining chapters cover the geometry of the geomagnetic field and its temporal variability as recorded in volcanic and sedimentary rocks over the past few million years; the ocean crust as a recorder of geomagnetic field variations; and the theoretical basis for paleointensity experiments in igneous and sedimentary environments. The final chapter explains the concept of true polar wander (TPW), defined as shifts in the geographic location of Earth's daily rotation axis and/or by fluctuations in the spin rate (length of day anomalies). Self-contained volume starts with an overview of the subject then explores each topic with in depth detail Extensive reference lists and cross references with other volumes to facilitate further research Full-color figures and tables support the text and aid in understanding Content suited for both the expert and non-expert
Book Synopsis The Spinning Magnet by : Alanna Mitchell
Download or read book The Spinning Magnet written by Alanna Mitchell and published by Penguin. This book was released on 2018-01-30 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mystery of Earth's invisible, life-supporting power Alanna Mitchell's globe-trotting history of the science of electromagnetism and the Earth's magnetic field--right up to the latest indications that the North and South Poles may soon reverse, with apocalyptic results--will soon change the way you think about our planet. Award-winning journalist Alanna Mitchell's science storytelling introduce intriguing characters--from the thirteenth-century French investigations into magnetism and the Victorian-era discover that electricity and magnetism emerge from the same fundamental force to the latest research. No one has ever told so eloquently how the Earth itself came to be seen as a magnet, spinning in space with two poles, and that those poles have dramatically reversed many time, often coinciding with mass extinctions. The most recent reversal was 780,000 years ago. Mitchell explores indications that the Earth's magnetic force field is decaying faster than previously thought. When the poles switch, a process that takes many years, the Earth is unprotected from solar radiation storms that would, among other disturbances, wipe out much and possible all of our electromagnetic technology. Navigation for all kinds of animals is disrupted without a stable, magnetic North Pole. But can you imagine no satellites, no Internet, no smartphones--maybe no power grids at all? Alanna Mitchell offers a beautifully crafted narrative history of surprising ideas and science, illuminating invisible parts of our own planet that are constantly changing around us.
Book Synopsis Zero Degrees by : Charles W. J. Withers
Download or read book Zero Degrees written by Charles W. J. Withers and published by Harvard University Press. This book was released on 2017-03-13 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space and time on earth are regulated by the prime meridian, 0°, which is, by convention, based at the Royal Observatory, Greenwich. But the meridian’s location in southeast London is not a simple legacy of Britain’s imperial past. Before the nineteenth century, more than twenty-five different prime meridians were in use around the world, including Paris, Beijing, Greenwich, Washington, and the location traditional in Europe since Ptolemy, the Canary Islands. Charles Withers explains how the choice of Greenwich to mark 0° longitude solved complex problems of global measurement that had engaged geographers, astronomers, and mariners since ancient times. Withers guides readers through the navigation and astronomy associated with diverse meridians and explains the problems that these cartographic lines both solved and created. He shows that as science and commerce became more global and as railway and telegraph networks tied the world closer together, the multiplicity of prime meridians led to ever greater confusion in the coordination of time and the geographical division of space. After a series of international scientific meetings, notably the 1884 International Meridian Conference in Washington, DC, Greenwich emerged as the most pragmatic choice for a global prime meridian, though not unanimously or without acrimony. Even after 1884, other prime meridians remained in use for decades. As Zero Degrees shows, geographies of the prime meridian are a testament to the power of maps, the challenges of accurate measurement on a global scale, and the role of scientific authority in creating the modern world.
Book Synopsis Proxies in Late Cenozoic Paleoceanography by : C. Hillaire-Marcel
Download or read book Proxies in Late Cenozoic Paleoceanography written by C. Hillaire-Marcel and published by Elsevier. This book was released on 2007-05-25 with total page 863 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume is the first in a series of two books dedicated to the paleoceanography of the Late Cenozoic ocean. The need for an updated synthesis on paleoceanographic science is urgent, owing to the huge and very diversified progress made in this domain during the last decade. In addition, no comprehensive monography still exists in this domain. This is quite incomprehensible in view of the contribution of paleoceanographic research to our present understanding of the dynamics of the climate-ocean system. The focus on the Late Cenozoic ocean responds to two constraints. Firstly, most quantitative methods, notably those based on micropaleontological approaches, cannot be used back in time beyond a few million years at most. Secondly, the last few million years, with their strong climate oscillations, show specific high frequency changes of the ocean with a relatively reduced influcence of tectonics. The first volume addresses quantitative methodologies to reconstruct the dynamics of the ocean andthe second, major aspects of the ocean system (thermohaline circulation, carbon cycle, productivity, sea level etc.) and will also present regional synthesis about the paleoceanography of major the oceanic basins. In both cases, the focus is the “open ocean leaving aside nearshore processes that depend too much onlocal conditions. In this first volume, we have gathered up-to-date methodologies for the measurement and quantitative interpretation of tracers and proxies in deep sea sediments that allow reconstruction of a few key past-properties of the ocean( temperature, salinity, sea-ice cover, seasonal gradients, pH, ventilation, oceanic currents, thermohaline circulation, and paleoproductivity). Chapters encompass physical methods (conventional grain-size studies, tomodensitometry, magnetic and mineralogical properties), most current biological proxies (planktic and benthic foraminifers, deep sea corals, diatoms, coccoliths, dinocysts and biomarkers) and key geochemical tracers (trace elements, stable isotopes, radiogenic isotopes, and U-series). Contributors to the book and members of the review panel are among the best scientists in their specialty. They represent major European and North American laboratories and thus provide a priori guarantees to the quality and updat of the entire book. Scientists and graduate students in paleoclimatology, paleoceanography, climate modeling, and undergraduate and graduate students in marine geology represent the target audience. This volume should be of interest for scientists involved in several international programs, such as those linked to the IPCC (IODP – Integrated Ocean Drilling Program; PAGES – Past Global Changes; IMAGES – Marine Global Changes; PMIP: Paleoclimate Intercomparison Project; several IGCP projects etc.), That is, all programs that require access to time series illustrating changes in the climate-ocean system. Presents updated techniques and methods in paleoceanography Reviews the state-of-the-art interpretation of proxies used for quantitative reconstruction of the climate-ocean system Acts as a supplement for undergraduate and graduate courses in paleoceanography and marine geology
Book Synopsis Sailing School by : Margaret E. Schotte
Download or read book Sailing School written by Margaret E. Schotte and published by JHU Press. This book was released on 2019-07-30 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hands-on science in the Age of Exploration. Winner of the John Lyman Book Award in Naval and Maritime Science and Technology by the North American Society for Oceanic History and the Leo Gershoy Prize by the American Historical Association Throughout the Age of Exploration, European maritime communities bent on colonial and commercial expansion embraced the complex mechanics of celestial navigation. They developed schools, textbooks, and instruments to teach the new mathematical techniques to sailors. As these experts debated the value of theory and practice, memory and mathematics, they created hybrid models that would have a lasting impact on applied science. In Sailing School, a richly illustrated comparative study of this transformative period, Margaret E. Schotte charts more than two hundred years of navigational history as she investigates how mariners solved the challenges of navigating beyond sight of land. She begins by outlining the influential sixteenth-century Iberian model for training and certifying nautical practitioners. She takes us into a Dutch bookshop stocked with maritime manuals and a French trigonometry lesson devoted to the idea that "navigation is nothing more than a right triangle." The story culminates at the close of the eighteenth century with a young British naval officer who managed to keep his damaged vessel afloat for two long months, thanks largely to lessons he learned as a keen student. This is the first study to trace the importance, for the navigator's art, of the world of print. Schotte interrogates a wide variety of archival records from six countries, including hundreds of published textbooks and never-before-studied manuscripts crafted by practitioners themselves. Ultimately, Sailing School helps us to rethink the relationship among maritime history, the Scientific Revolution, and the rise of print culture during a period of unparalleled innovation and global expansion.
Book Synopsis Journal of Early Modern Studies - Volume 2, Issue 1 (Spring 2013) by : Jalobeanu, Dana
Download or read book Journal of Early Modern Studies - Volume 2, Issue 1 (Spring 2013) written by Jalobeanu, Dana and published by Zeta Books. This book was released on 2013-01-01 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synergia written by Néstor Herrán and published by Editorial CSIC - CSIC Press. This book was released on 2007 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The History of Geophysics in Southern Africa by : Johan H de Beer
Download or read book The History of Geophysics in Southern Africa written by Johan H de Beer and published by AFRICAN SUN MeDIA. This book was released on 2016-01-25 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geophysics is a comparatively young science which only evolved as a distinct discipline during the 19th century. However, its phenomena (like earthquakes, tsunamis, volcanic eruptions and lightning) had been objects of fear, curiosity and speculation since ancient times. In this book, Johan de Beer and his research team reveal that geophysical activity in South Africa can be traced back to as early as 1488. This is a truly astonishing revelation which deserves to be firmly entrenched as part of the country?s proud history. The book also discusses the history and formation of South African geophysical institutions that made a huge and seldom acknowledged contribution to the technological development of southern Africa.
Book Synopsis Talking about Naval History by : John B. Hattendorf
Download or read book Talking about Naval History written by John B. Hattendorf and published by Government Printing Office. This book was released on 2011 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: NOTE: NO FURTHER DISCOUNT ON THIS PRINT PRODUCT-- OVERSTOCK SALE -- Significantly reduced list price Twenty essays selected from the writings of John B. Hattendorf, Ernest J. King Professor of Maritime History at the U.S. Naval War College, between 2001 and 2009. They represent a wide historical perspective that ranges across nearly four centuries of maritime history. A number of these pieces have been published previously but have appeared in other languages and in other countries, where they may not have come to the attention of an American naval reading audience. This collection is divided into parts that deal with four major themes: the broad field of maritime history; general naval history, with specific focus on the classical age of sail, from the mid-seventeenth century to the end of the Napoleonic Wars in 1815; the wide scope of American naval history from 1775 to the end of the twentieth century; and finally, the realm of naval theory and its relationship to naval historical studies. They are reprinted, with only minor alterations, as they originally appeared. This work may appeal to general history readers, scholarly and general adult readers of history especially naval and maritime, plus students pursuing coursework in military science degree programs. Other related products: Fundamentals of War Gaming --Print Paperback format can be found here: https: //bookstore.gpo.gov/products/sku/008-046-00299-1 --Print Hardcover format can be found here: https: //bookstore.gpo.gov/products/sku/008-046-00269-0 Nineteen-Gun Salute: Case Studies of Operational, Strategic, and Diplomatic Naval Leadership During the 20th and Early 21st Centuries can be found here: https: //bookstore.gpo.gov/products/sku/008-046-00252-5 Digesting History: The U.S. Naval War College, the Lessons of World War Two, and Future Naval Warfare, 1945-1947 -- Print Paperback format is available here: https: //bookstore.gpo.gov/products/sku/008-046-00255-0 --ePub format is available here: https: //bookstore.gpo.gov/products/sku/008-300-00040-2 -- ePub is also available from Apple iBookstore, BarnesandNoble.com, Books on Board eBookstore, Diesel eBookstore, Google Play eBookstore, Overdrive, Powell's eBookstore -- Please use ISBN: 9781884733864 to search for this product within these platforms. Naval War College Illustrated History and Guide can be found here: https: //bookstore.gpo.gov/products/sku/008-046-00265-7 Other products produced by the U.S. Naval War College (NWC) can be found here: https: //bookstore.gpo.gov/products/sku/008-046-00265-7
Book Synopsis Scientific Concepts and Investigative Practice by : Uljana Feest
Download or read book Scientific Concepts and Investigative Practice written by Uljana Feest and published by Walter de Gruyter. This book was released on 2012-10-30 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent philosophy and history of science has seen a surge of interest in the role of concepts in scientific research. Scholars working in this new field focus on scientific concepts, rather than theories, as units of analysis and on the ways in which concepts are formed and used rather than on what they represent. They analyze what has traditionally been called the context of discovery, rather than (or in addition to) the context of justification. And they examine the dynamics of research rather than the status of the finished research results. This volume provides detailed case studies and general analyses to address questions raised by these points, such as: - Can concepts be clearly distinguished from the sets of beliefs we have about their referents? - What - if any - sense can be made of the separation between concepts and theories? - Can we distinguish between empirical and theoretical concepts? - Are there interesting similarities and differences between the role of concepts in the empirical sciences and in mathematics? - What underlying notion of investigative practice could be drawn on to explicate the role of concept in such practice? - From a philosophical point of view, is the distinction between discovery and justification a helpful frame of reference for inquiring into the dynamics of research? - From a historiographical point of view, does a focus on concepts face the danger of falling back into an old-fashioned history of ideas?
Book Synopsis Sea Rovers, Silver, and Samurai by : Tonio Andrade
Download or read book Sea Rovers, Silver, and Samurai written by Tonio Andrade and published by University of Hawaii Press. This book was released on 2016-03-31 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sea Rovers, Silver, and Samurai traces the roots of modern global East Asia by focusing on the fascinating history of its seaways. The East Asian maritime realm, from the Straits of Malacca to the Sea of Japan, has been a core region of international trade for millennia, but during the long seventeenth century (1550 to 1700), the velocity and scale of commerce increased dramatically. Chinese, Japanese, and Vietnamese smugglers and pirates forged autonomous networks and maritime polities; they competed and cooperated with one another and with powerful political and economic units, such as the Manchu Qing, Tokugawa Japan, the Portuguese and Spanish crowns, and the Dutch East India Company. Maritime East Asia was a contested and contradictory place, subject to multiple legal, political, and religious jurisdictions, and a dizzying diversity of cultures and ethnicities, with dozens of major languages and countless dialects. Informal networks based on kinship ties or patron-client relations coexisted uneasily with formal governmental structures and bureaucratized merchant organizations. Subsistence-based trade and plunder by destitute fishermen complemented the grand dreams of sea-lords, profit-maximizing entrepreneurs, and imperial contenders. Despite their shifting identities, East Asia’s mariners sought to anchor their activities to stable legitimacies and diplomatic traditions found outside the system, but outsiders, even those armed with the latest military technology, could never fully impose their values or plans on these often mercurial agents. With its multilateral perspective of a world in flux, this volume offers fresh, wide-ranging narratives of the “rise of the West” or “the Great Divergence.” European mariners, who have often been considered catalysts of globalization, were certainly not the most important actors in East and Southeast Asia. China’s maritime traders carried more in volume and value than any other nation, and the China Seas were key to forging the connections of early globalization—as significant as the Atlantic World and the Indian Ocean basin. Today, as a resurgent China begins to assert its status as a maritime power, it is important to understand the deep history of maritime East Asia.
Download or read book The Navigator written by and published by BRILL. This book was released on 2010-10-25 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Captain John Anderson served in the Dutch East India Company (VOC) as ‘Pilot-Major’ in a fleet of ships that set sail from Europe in December 1640, and returned with his ships in July 1643. This was Anderson’s fourth voyage to the East Indies. His journey took three years during which time he safely brought a VOC fleet to Java and home again through tempests and full-scale battles with the Portuguese at sea. In this, the first-ever edition of Anderson’s Journal, the editors have complemented his own words with chapters discussing the author’s contributions to the History of Warfare in Asia, Maritime Navigation and Early Modern Travel Writing.
Book Synopsis Literature and Cartography by : Anders Engberg-Pedersen
Download or read book Literature and Cartography written by Anders Engberg-Pedersen and published by MIT Press. This book was released on 2017-11-24 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: The relationship of texts and maps, and the mappability of literature, examined from Homer to Houellebecq. Literary authors have frequently called on elements of cartography to ground fictional space, to visualize sites, and to help readers get their bearings in the imaginative world of the text. Today, the convergence of digital mapping and globalization has spurred a cartographic turn in literature. This book gathers leading scholars to consider the relationship of literature and cartography. Generously illustrated with full-color maps and visualizations, it offers the first systematic overview of an emerging approach to the study of literature. The literary map is not merely an illustrative guide but represents a set of relations and tensions that raise questions about representation, fiction, and space. Is literature even mappable? In exploring the cartographic components of literature, the contributors have not only brought literary theory to bear on the map but have also enriched the vocabulary and perspectives of literary studies with cartographic terms. After establishing the theoretical and methodological terrain, they trace important developments in the history of literary cartography, considering topics that include Homer and Joyce, Goethe and the representation of nature, and African cartographies. Finally, they consider cartographic genres that reveal the broader connections between texts and maps, discussing literary map genres in American literature and the coexistence of image and text in early maps. When cartographic aspirations outstripped factual knowledge, mapmakers turned to textual fictions. Contributors Jean-Marc Besse, Bruno Bosteels, Patrick M. Bray, Martin Brückner, Tom Conley, Jörg Dünne, Anders Engberg-Pedersen, John K. Noyes, Ricardo Padrón, Barbara Piatti, Simone Pinet, Clara Rowland, Oliver Simons, Robert Stockhammer, Dominic Thomas, Burkhardt Wolf
