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Books > Academic & Education > Professional & Technical > Geophysics
Pulp and paper production has increased globally and will continue
to increase in the near future. Approximately 155 million tons of
wood pulp is produced worldwide and about 260 million is projected
for 2010. To cope with the increasing demand, an increase in
production and improved environmental performance is needed as the
industry is under constant pressure to reduce environmental
emissions to air and water. This book gives updated information on
environmentally benign approaches for pulp bleaching, which can
help solve the problems associated with conventional bleaching
technologies.
Magnetic methods are widely used in exploration, engineering,
borehole and global geophysics, and the subjects of this book are
the physical and mathematical principles of these methods
regardless of the area of application.
The book documents and explains, in three parts, geochemical
anomaly and mineral prospectivity mapping by using a geographic
information system (GIS). Part I reviews and couples the concepts
of (a) mapping geochemical anomalies and mineral prospectivity and
(b) spatial data models, management and operations in a GIS. Part
II demonstrates GIS-aided and GIS-based techniques for analysis of
robust thresholds in mapping of geochemical anomalies. Part III
explains GIS-aided and GIS-based techniques for spatial data
analysis and geo-information sybthesis for conceptual and
predictive modeling of mineral prospectivity. Because methods of
geochemical anomaly mapping and mineral potential mapping are
highly specialized yet diverse, the book explains only methods in
which GIS plays an important role. The book avoids using language
and functional organization of particular commercial GIS software,
but explains, where necessary, GIS functionality and spatial data
structures appropriate to problems in geochemical anomaly mapping
and mineral potential mapping. Because GIS-based methods of spatial
data analysis and spatial data integration are quantitative, which
can be complicated to non-numerate readers, the book simplifies
explanations of mathematical concepts and their applications so
that the methods demonstrated would be useful to professional
geoscientists, to mineral explorationists and to research students
in fields that involve analysis and integration of maps or spatial
datasets. The book provides adequate illustrations for more
thorough explanation of the various concepts.
The book will include chapters which will span from the role of
geochemistry in the environment in general to the specific
investigations on site characterization (dealing with sampling
strategy, analytical procedures and problems). Specific articles
will deal with health problems related to environment pollution,
waste disposal, data base management, and illustration of specific
case histories for characterization and remediation of brownfield
sites.
This self-contained monograph gives a thorough introduction to the
theory of gravity which is used as the basis for developing
applications in exploration and geodesy. In addition, a survey of
gravity instrumentation is given, with emphasis on the theory of
underlying these instruments. The book finishes with an exposition
of forward modeling and inverston, again emphasizing fundamental
principles.
The theory of the Earth's climate evolution based on universal
chemical-physical laws of matter-energy transformation is presented
in the book. It shows how the process of Earth's core separation
has led to formation and evolution of the hydrosphere and
atmosphere. Having analyzed the processes of heat transfer in the
atmosphere, the writers developed the adiabatic theory of the
greenhouse effect, which was applied for analysis of climatic
changes on the Earth. The influence of changes in climate on
formation of mineral deposits and development of life on Earth was
considered and presented based on modeling of typical climatic
regimes. It shows that the anthropogenic effect on the Earth's
global temperature is negligible in comparison with the effect of
global forces of nature.
The rhizosphere in soil environments refers to the narrow zone of soil influenced by the root and exudates. Microbial populations in the rhizosphere can be 10 - 100 times larger than the populations in the bulk soil. Therefore, the rhizosphere is bathed in root exudates and microbial metabolites and the chemistry and biology at the soil-root interface is governed by biotic (plant roots, microbes) and abiotic (physical and chemical) interactions.
Volcanic seismology represents the main, and often the only, tool to forecast volcanic eruptions and to monitor the eruption process. This book describes the main types of seismic signals at volcanoes, their nature and spatial and temporal distributions at different stages of eruptive activity. Following from the success of the first edition, published in 2003, the second edition consists of 19 chapters including significant revision and five new chapters. Organized into four sections, the book begins with an introduction to the history and topic of volcanic seismology, discussing the theoretical and experimental models that were developed for the study of the origin of volcanic earthquakes. The second section is devoted to the study of volcano-tectonic earthquakes, giving the theoretical basis for their occurrence and swarms as well as case stories of volcano-tectonic activity associated with the eruptions at basaltic, andesitic, and dacitic volcanoes. There were 40 cases of volcanic eruptions at 20 volcanoes that occurred all over the world from 1910 to 2005, which are discussed. General regularities of volcano-tectonic earthquake swarms, their participation in the eruptive process, their source properties, and the hazard of strong volcano-tectonic earthquakes are also described. The third section describes the theoretical basis for the occurrence of eruption earthquakes together with the description of volcanic tremor, the seismic signals associated with pyroclastic flows, rockfalls and lahars, and volcanic explosions, long-period and very-long-period seismic signals at volcanoes, micro-earthquake swarms, and acoustic events. The final section discuss the mitigation of volcanic hazard and include the methodology of seismic monitoring of volcanic activity, the examples of forecasting of volcanic eruptions by seismic methods, and the description of seismic activity in the regions of dormant volcanoes. This book will be essential for students and practitioners of
volcanic seismology to understand the essential elements of
volcanic eruptions.
Acoustic logging is a multidisciplinary technology involving basic theory, instrumentation, and data processing/interpretation methodologies. The advancement of the technology now allows for a broad range of measurements to obtain formation properties such as elastic wave velocity and attenuation, formation permeability, and seismic anisotropy that are important for petroleum reservoir exploration. With these advances, it is easier to detect and characterize formation fractures, estimate formation stress field, and locate/estimate petroleum reserves. The technology has evolved from the monopole acoustic logging into the multipole, including dipole, cross-dipole, and even quadrupole, acoustic logging measurements. The measurement process has developed from the conventional wireline logging into the logging-while-drilling stage.
Geophysical measurements, such as the lateral variations in seismic wave velocities that are imaged by seismic tomography, provide the strongest constraints on the structure of the Earth's deep interior. In order to interpret such measurements in terms of mineralogical/compositional models of the Earth's interior, data on the physical and chemical properties of minerals at high pressures and temperatures are essential. Knowledge of thermodynamics, phase equilibria, crystal chemistry, crystallography, rheology, diffusion and heat transport are required to characterize the structure and dynamics of the Earth's deep interior as well as the processes by which the Earth originally differentiated.
More than 20 countries generate electricity from geothermal
resources and about 60 countries make direct use of geothermal
energy. A ten-fold increase in geothermal energy use is foreseeable
at the current technology level.
This volume represents an effort to bring together communities of land-based hydrogeology and marine hydrogeology. The issues of submarine groundwater discharge and its opposite phenomenon of seawater invasion are discussed in this book from the geophysical, geochemical, biological, and engineering perspectives. This is where land hydrogeology and marine hydrogeology overlap. Submarine groundwater discharge is a rapidly developing research field. The SCOR and LOICZ of the IGBP have recently established a working group for this research. IASPO and IAHS under IUGG also recently formed a new joint committee "Seawater/Groundwater Interactions" to collaborate with oceanographers and hydrologists.
The objective of this book is to analyze the institutional barriers to implementing market-based climate policy, as well as to provide some opportunities to overcome them. The approach is that of institutional economics, with special emphasis on political transaction costs and path dependence.
Situated within the richest oil area in the world, the Arabian Gulf represents a stressed ecosystem with scarce published data and environmental studies.
"Coal and Peat Fires: A Global Perspective "is a compelling
collection of research conducted by scientists and engineers around
the world. It presents the scientific and industrial communities as
well as the interested lay reader with studies about prehistoric as
well as historic coal and peat fires and magnificent illustrations
of such fires and related research from countries around the
world-a totally new contribution to science. The second of four
volumes in the collection, "Photographs and Multimedia Tours
"features stunning photographs from around the world, including
Australia, Canada, Northern China, India, Borneo, Italy, Poland,
Portugal, Russia, the United States, and more. This essential
reference also includes a companion website with a collection of
slide presentations and videosabout coal and peat fires.
"Advanced Remote Sensing" is an application-based reference that
provides a single source of mathematical concepts necessary for
remote sensing data gathering and assimilation. It presents
state-of-the-art techniques for estimating land surface variables
from a variety of data types, including optical sensors such as
RADAR and LIDAR. Scientists in a number of different fields
including geography, geology, atmospheric science, environmental
science, planetary science and ecology will have access to
critically-important data extraction techniques and their virtually
unlimited applications. While rigorous enough for the most
experienced of scientists, the techniques are well designed and
integrated, making the book s content intuitive, clearly presented,
and practical in its implementation. * Comprehensive overview of various practical methods and algorithms * Detailed description of the principles and procedures of the state-of-the-art algorithms * Real-world case studies open several chapters * More than 500 full-color figures and tables * Edited by top remote sensing experts with contributions from authors across the geosciences"
Researchers in the field of exploration geophysics have developed new methods for the acquisition, processing and interpretation of gravity and magnetic data, based on detailed investigations of bore wells around the globe. "Fractal Models in Exploration Geophysics" describes fractal-based models for characterizing these complex subsurface geological structures. The authors introduce the inverse problem using a fractal
approach which they then develop with the implementation of a
global optimization algorithm for seismic data: very fast simulated
annealing (VFSA). This approach provides high-resolution inverse
modeling results-particularly useful for reservoir
characterization. * Serves as a valuable resource for researchers studying the application of fractals in exploration, and for practitioners directly applying field data for geo-modeling * Discusses the basic principles and practical applications of time-lapse seismic reservoir monitoring technology-application rapidly advancing topic * Provides the fundamentals for those interested in reservoir geophysics and reservoir simulation study * Demonstrates an example of reservoir simulation for enhanced oil recovery using CO2 injection
This monograph is the last volume in the series 'Acoustic and
Elastic
After the discovery that elements were commonly composed of isotopes, there developed a range of studies of the variability of isotopic compositions in Earth materials, which was able to add to our understanding of Earth processes and history. This collection of chapters from the Treatise on Geochemistry describes the range of isotopic studies. The chapters are grouped into the following categories: light stable isotopes, radiogenic tracers, noble gases and radioactive tracers. The first three groups depend on mass spectrometric measurements. The section on radioactive tracers employs both radioactive counting techniques and the newly developed accelerator mass spectrometric techniques. Comprehensive, interdisciplinary and authoritative content
selected by leading subject experts
"Readingsfrom the Treatise onGeochemistry" offers an
interdisciplinary reference for scientists, researchers and upper
undergraduate and graduate levelgeochemistry students that ismore
affordable than the full Treatise. For professionals, this volume
will provide anoverview of the field as a whole. For students, it
will provide morein-depth introductory content thanis found
inbroad-based geochemistry textbooks. Articleswere selected from
chapters across all volumes of the full Treatise, and include: The
Origin and Earliest History of the Earth, Compositional Evolution
of the Mantle, Evolution of Sedimentary Rocks, Soil Formation,
Geochemistry of Groundwater, Geologic History of Seawater,
Hydrothermal Processes, and Biogeochemistry of Primary Production
in the Sea.
The contents of this monograph are two-scope. First, it intends to
provide a synthetic but complete account of the thermodynamic and
kinetic foundations on which the reaction path modeling of
geological CO2 sequestration is based. In particular, a great
effort is devoted to review the thermodynamic properties of CO2 and
of the CO2-H2O system and the interactions in the aqueous solution,
the thermodynamic stability of solid product phases (by means of
several stability plots and activity plots), the volumes of
carbonation reactions, and especially the kinetics of
dissolution/precipitation reactions of silicates, oxides,
hydroxides, and carbonates.
Treatise on Geophysics: Mineral Physics, Volume 2, provides a comprehensive review of the current state of understanding of mineral physics. Each chapter demonstrates the significant progress that has been made in the understanding of the physics and chemistry of minerals, and also highlights a number of issues which are still outstanding or that need further work to resolve current contradictions. The book first reviews the current status of our understanding of the nature of the deep Earth. These include the seismic properties of rocks and minerals; problems of the lower mantle and the core-mantle boundary; and the state of knowledge on mantle chemistry and the nature and evolution of the core. The discussions then turn to the theory underlying high-pressure, high-temperature physics, and the major experimental methods being developed to probe this parameter space. The remaining chapters explain the specific techniques for measuring elastic and acoustic properties, electronic and magnetic properties, and rheological properties; the nature and origin of anisotropy in the Earth; the properties of melt; and the magnetic and electrical properties of mantle phases.
In this book the author presents the state-of-the-art
electromagnetic (EM)
This is the first book dedicated to the developing knowledge on how
the world's largest ice sheet formed and changed over its 34
million years history. In explaining the story of Antartica,
information on terrestrial and marine geology, sedimentology,
glacier geophysics (including airborne reconnaissance), shipborne
geophysics, and numerical ice sheet and climate modelling, will be
interwoven within eleven chapters, each deling with an important
historical theme. The approach will be to first 'set the scene',
involving chapters dedicated to how ice sheets and their glacial
history can be measured. This opening section will provide
information necessary to comprehend the latter section of the book,
in which five chapters will related the glacial and climate
evolution of Antartica during the most important time-frames in
which changes have occurred.
The Fly River and its tributaries, the Ok Tedi and Strickland
rivers, are located in the Western Province of Papua New Guinea.
All three rivers have their source in the rugged central mountain
range of the island and eventually flow, via the Fly River delta,
into the Gulf of Papua to the north of Australia's Great Barrier
Reef. With a catchment area still largely covered by tropical
rainforest and relatively few human inhabitants, this remote part
of Papua New Guinea presents a rare opportunity to document and
understand the dynamics of a large tropical river system largely
unaffected by human activity. |
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