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Author: Hazel Deniz Toktay Publisher: Springer Nature ISBN: 9811942196 Category : Mathematics Languages : en Pages : 112
Book Description
This book deals with magnetic anomaly maps and their properties. These properties are essential to modeling the elimination of the uncertainty problem of buried archaeological structure locations and depths. To this end, several models are presented and their quantitative properties are studied. Numerical simulations have been created, confirming theoretical results that were obtained.
Author: Hazel Deniz Toktay Publisher: Springer Nature ISBN: 9811942196 Category : Mathematics Languages : en Pages : 112
Book Description
This book deals with magnetic anomaly maps and their properties. These properties are essential to modeling the elimination of the uncertainty problem of buried archaeological structure locations and depths. To this end, several models are presented and their quantitative properties are studied. Numerical simulations have been created, confirming theoretical results that were obtained.
Author: Mioara Mandea Publisher: Cambridge University Press ISBN: 1108418481 Category : Science Languages : en Pages : 347
Book Description
An interdisciplinary review of research in geomagnetism, aeronomy and space weather, written by eminent researchers from these fields.
Author: Jeffrey L. Eighmy Publisher: ISBN: Category : Social Science Languages : en Pages : 472
Book Description
Archaeomagnetic dating--dating archaeological and geological materials by comparing their magnetic data with known changes in the earth's magnetic field--has proved to be of increasing reliability in establishing behavioral and social referents of archaeological data. Now this volume presents the first book-length treatment of its theory and methodology in North American archaeology. The sixteen original papers in many cases represent the work of individuals who have been intimately involved with the development and refinement of archaeomagnetic dating techniques. They discuss the geophysical underpinnings of archaeomagnetism; general methodological problems associated with present archaeomagnetic studies, such as sample collection, data measurement and analysis, and experimental control; and advances in experimental archaeology. Case histories consider both successful and unsuccessful applications of the technique in New World fieldwork. Raw data is provided in an appendix. While the volume deals specifically with problems of archaeomagnetic direction dating in the Americas, it should prove useful in constructing exact chronologies in other archaeological sites as well and in the geologic record at large. As the only single volume devoted to the subject, it will serve as the standard reference in the field.
Author: Samuel Cheyney Publisher: ISBN: Category : Languages : en Pages :
Book Description
High-resolution total-field magnetic data can be collected rapidly and relatively cheaply over large archaeological sites due to recent advances in data collection. However, interpretation of these datasets still generally comprises a sequence of data correction and filtering operations prior to a 2D visual interpretation based on pattern recognition. In contrast, current developments in aero-magnetic interpretation have led to several tools for identifying location, shape and depth information of anomalous sources. Information regarding the horizontal location of sources can be obtained from derivative based methods such as the horizontal gradient magnitude, tilt-angle and theta-map, however these methods typically fail for archaeological purposes due to the high noise content of these datasets. Here it is shown that using pseudogravity data with these techniques overcomes the problem of noise amplification that has previously hampered archaeological implementation. Ideally, what it desired from the survey is information regarding the physical properties of causative features, rather than their magnetic responses. To achieve this, 3D inversion of the dataset can be used to produce a magnetic susceptibility model of the subsurface. It is demonstrated here that significant changes to the routine procedure employed during inversion of aero-magnetic data are required to avoid large discrepancies between the true and modelled depths of archaeological features. Here, a workflow is proposed that demonstrates how to process and model magnetic data for archaeological interpretation. A number of different stages are identified, dependant on the level of interpretation required, from enhancing the data image to full 3D quantitative results. Greater interpretation of the magnetic data will aid the planning of higher resolution surveys such as GPR or resistivity, or to position targeted excavations. In some situations the detailed 3D geophysical model may supply sufficient archaeological information to avoid excavation, thus reducing cost and risk to the archaeological material.
Author: Lars Christian Nørbach Publisher: ISBN: Category : Social Science Languages : en Pages : 340
Book Description
A collection of 35 largely technical lectures from the Sandbjerg Conference held in 1999, examine metallurgical evidence from Scandinavia and Northern Europe as well as reporting on developments in scientific analytical techniques. Divided into five sections, papers discuss particular types of iron production and settlement; regional studies; metallographic investigations of artefacts and sites; metallographic regional studies; Geophysical prospecting and archaeomagnetic dating. The majority of articles relate to Scandinavia but there are reports on iron-smelting and specific finds and sites in Italy, Germany, England, Greece, France, Ukraine and Wales.
Author: William J. Hinze Publisher: Cambridge University Press ISBN: 1107328195 Category : Science Languages : en Pages : 527
Book Description
This combination of textbook and reference manual provides a comprehensive account of gravity and magnetic methods for exploring the subsurface using surface, marine, airborne and satellite measurements. It describes key current topics and techniques, physical properties of rocks and other Earth materials, and digital data analysis methods used to process and interpret anomalies for subsurface information. Each chapter starts with an overview and concludes by listing key concepts to consolidate new learning. An accompanying website presents problem sets and interactive computer-based exercises, providing hands-on experience of processing, modeling and interpreting data. A comprehensive online suite of full-color case histories illustrates the practical utility of modern gravity and magnetic surveys. This is an ideal text for advanced undergraduate and graduate courses and reference text for research academics and professional geophysicists. It is a valuable resource for all those interested in petroleum, engineering, mineral, environmental, geological and archeological exploration of the lithosphere.
Author: Kilifarska N.A. Publisher: Elsevier ISBN: 0128193476 Category : Science Languages : en Pages : 230
Book Description
The Hidden Link Between Earth’s Magnetic Field and Climate offers a new framework of understanding and interpretation for both well-known and less known relations between different geophysical and meteorological variables which can improve the quality of climate modeling. The book reviews the most current research on both current and paleo data to introduce a causal chain of interactions between the geomagnetic field, energetic particles which bombard the Earth’s atmosphere, ozone and humidity near the tropopause, and surface temperature. The impacts of these complicated interactions is not uniformly distributed over the globe, thus contributing to our understanding of regional differences in climatic changes and the asymmetrical ozone distribution over the globe. Covers the newly discovered autocatalytic cycle for ozone production in the lower stratosphere, providing a better understanding of the heterogeneous distribution of ozone globally Outlines a mechanism for the lower stratospheric ozone influence on the temperature and humidity of the upper troposphere Provides a single resource on research in energetic particles’ modulation by heterogeneous geomagnetic fields, mechanisms of the influence of particles on the atmospheric ozone, and the influence of ozone on climate
Author: Hazel Deniz Toktay
Author: Hazel Deniz Toktay
Author: Kumar Hemant
Author: Mioara Mandea
Author: Jeffrey L. Eighmy
Author: Samuel Cheyney
Author: Lars Christian Nørbach
Author: William J. Hinze
Author: Kilifarska N.A.
Author: Canadian Society of Exploration Geophysicists
Author: William J. Zwart