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Books > Earth & environment > Earth sciences
Bioremediation refers to the clean-up of pollution in soil,
groundwater, surface water, and air using typically microbiological
processes. It uses naturally occurring bacteria and fungi or plants
to degrade, transform or detoxify hazardous substances to human
health or the environment. For bioremediation to be effective,
microorganisms must enzymatically attack the pollutants and convert
them to harmless products. As bioremediation can be effective only
where environmental conditions permit microbial growth and action,
its application often involves the management of ecological factors
to allow microbial growth and degradation to continue at a faster
rate. Like other technologies, bioremediation has its limitations.
Some contaminants, such as chlorinated organic or high aromatic
hydrocarbons, are resistant to microbial attack. They are degraded
either gradually or not at all, hence, it is not easy to envisage
the rates of clean-up for bioremediation implementation.
Bioremediation represents a field of great expansion due to the
important development of new technologies. Among them, several
decades on metagenomics expansion has led to the detection of
autochthonous microbiota that plays a key role during
transformation. Transcriptomic guides us to know the expression of
key genes and proteomics allow the characterization of proteins
that conduct specific reactions. In this book we show specific
technologies applied in bioremediation of main interest for
research in the field, with special attention on fungi, which have
been poorly studied microorganisms. Finally, new approaches in the
field, such as CRISPR-CAS9, are also discussed. Lastly, it
introduces management strategies, such as bioremediation
application for managing affected environment and bioremediation
approaches. Examples of successful bioremediation applications are
illustrated in radionuclide entrapment and retardation, soil
stabilization and remediation of polycyclic aromatic hydrocarbons,
phenols, plastics or fluorinated compounds. Other emerging
bioremediation methods include electro bioremediation,
microbe-availed phytoremediation, genetic recombinant technologies
in enhancing plants in accumulation of inorganic metals, and
metalloids as well as degradation of organic pollutants,
protein-metabolic engineering to increase bioremediation
efficiency, including nanotechnology applications are also
discussed.
This book presents the first overview of the composition and
structure of the Earth's lower mantle. The first part focuses on
the study of lower-mantle minerals, identified as inclusions in
diamonds from different regions of the world. Three associations
are established among the lower-mantle minerals: ultramafic, mafic,
and carbonatic. The carbonatic association is of particular
interest because it characterizes the media of natural diamond
formation. In turn, the second part analyzes the structure of the
lower mantle, revealing its heterogeneous composition. It is based
on the results of experiments demonstrating phase transitions in
lower-mantle minerals, and on seismological data. Deep-seated
earthquakes point to the presence within the lower mantle of
numerous seismic boundaries caused by mineral structure
transitions. In closing, the last part of the book compares
observed data with experimental data, highlighting several
discrepancies that indicate Earth may have a more complex planetary
history than previously assumed, and examining its primarily
non-chondritic composition.
This study, based on a literature review and simulations, shows the
efficiency of cover crops at catching nitrate in most agriculture
situations. It also analyzes both the negative impacts they can
have and the ecosystem services they can provide. The introduction
of a cover crop between two main crops helps catch the soil mineral
nitrogen before the period of drainage and consequently reduces
nitrate leaching and nitrate concentration in the drainage water.
This study allows quantifying the efficiency of cover crops at
catching nitrate and optimizing their implantation conditions over
a large range of French pedoclimatic conditions. The presence of
high nitrate levels in surface and ground waters, due to excessive
nitrogen fertilization and natural production of nitrate by soil
organic matter mineralization, is a double challenge for public
health and environment protection.
The natural disasters are the killer agents which can/can't be
predicted even though we have modern technology. Every year, in one
place or another, disasters striking which is devastating the area
and surroundings, leading to ecological disruption besides huge
loss of life and property. India is vulnerable to cyclones,
landslides/avalanches, earthquakes, floods, droughts, forest fires,
epidemics, etc. The 5700-km long coast of India, with its dense
population is vulnerable to cyclones/low depressions, tsunamis,
etc. The 2400-km long rugged Himalayan terrain is vulnerable to
landslides, avalanches and earthquakes. India is not only
vulnerable to natural disasters, it is also experiencing industrial
accidents. The Bhopal Gas tragedy is one of the major man-made
disasters in the world. The state of Andhra Pradesh has 970-km long
coastline with two major rivers, etc. The conference is conducted
in Visakhapatnam, is famous for industries and tourism. Recently,
several industrial accidents took place, besides major natural
disasters like Hud-Hud, etc. Disaster management shall be
implemented from the grass root level in vulnerable areas to
improve the capacity building, so as to minimize the losses. The
capacity building coupled with technology results in reduction of
loss of life and property.
Handbook of Flotation Reagents: Chemistry, Theory and Practice:
Flotation of Gold, PGM and Oxide Minerals, Volume 2 focuses on the
theory, practice, and chemistry of flotation of gold, platinum
group minerals (PGMs), and the major oxide minerals, along with
rare earths. It examines separation methods whose effectiveness is
limited when using conventional treatment processes and considers
commercial plant practices for most oxide minerals, such as
pyrochlore-containing ores, copper cobalt ores, zinc ores, tin
ores, and tantalum/niobium ores. It discusses the geology and
mineralogy of gold, PGMs, and oxide minerals, as well as reagent
and flotation practices in beneficiation. The book also looks at
the factors affecting the floatability of gold minerals and
describes PGM-dominated deposits such as Morensky-type deposits,
hydrothermal deposits, and placer deposits. In addition, case
studies of flotation and beneficiation in countries such as Canada,
Africa, Russia, Chile, and Saudi Arabia are presented. This book
will be useful to researchers, university students, and professors,
as well as mineral processors faced with the problem of
beneficiation of difficult-to-treat ores.
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Landslides
(Hardcover)
Yuanzhi Zhang, Qiuming Cheng
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R2,615
Discovery Miles 26 150
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Ships in 18 - 22 working days
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Fish die. Seagulls starve. Economies wither. And that's just in
the coastal villages. El Nino--The Christ Child--and its
climatological opposite, La Nina, are global events so powerful and
strange they virtually have personalities. Many remember the El
Nino seasons of 1982-83 and 1997-98, which brought floods,
tornadoes, droughts, and snow to unusual locales. Increased study
of these Tropical Pacific phenomena, also known as ENSO (the El
Nino and Southern Oscillation), has now enabled scientists to
predict the ENSO state as much as 12 to 18 months in advance and
has helped to shape weather prediction in general. Here, the basic
causes and effects of El Nino and La Nina are carefully chronicled
for anyone in search of accurate and current information on these
natural phenomena.
Chapters are devoted to the history of ENSO; its influence on
global weather and on the United States, including the ecosystem;
and how governments and industries worldwide are utilizing new
weather data to harness ENSO's economic impact, rather than be
saddled by it. A chronology tours key events, from the 15th century
diary observations of colonists in Ecuador and Peru to recent
events like the devastating El Nino of 1997-98, which was
responsible for 23,000 deaths and $33 billion in damages.
Biographies of important researchers, illustrations and maps, and
an extensive bibliography help make this a total guide to these
magnificent natural cycles.
This book presents a model for describing the hierarchical concept
of China's water rights structure, one which takes into account
pioneering theories on natural resources and environmental
institutional economics. It highlights the basic theory of water
rights, with a view to helping Chinese policymakers acquire a
deeper understanding of water rights and the need for a reform
program in the long-term development of water-poor China. To do so,
it draws on three main sources: Cheung SNS's "Economic
Explanation", Douglas C. North's "New Economic History" and Ray
Huang's "Macro History". The book makes two essential
contributions: it elaborates the hierarchical water governance
structure in China, which originated in the Qin Dynasty that
unified the country 2000 years ago and has been employed without
interruption ever since; further, it constructs a choice model for
water governance structures and advances the logic of making
structural choices with minimum transaction costs under constraint
conditions, while also explaining the inherent nature of China's
choice for the hierarchical structure from the perspectives of
management cost and cooperation cost. As such, the book enriches
and builds on the theories of the "water governance" school
represented by Karl Marx, Karl Wittfogel and Ray Huang, laying the
foundation for the further study of water rights theory in
contemporary China.
This volume addresses the latest results of the Major Water Program
of the Chinese Government which aims at the restoration of polluted
water environments and sustainable management of water resources in
China. It specifically summarizes the results of the BMBF-CLIENT
project "Management of Water Resources in Urban Catchments" and the
related MoST project "Key Technologies and Management Modes for the
Water Environmental Rehabilitation of a Lake City from the
Catchment Viewpoint" in Chaohu. The project is conducted by the
Helmholtz-Centre for Environmental Research UFZ, Technische
Universitat Dresden, German and Chinese companies (WISUTEC, AMC,
bbe Moldaenke, itwh, OpenGeoSys e.V., HC System and EWaters) in
close cooperation with Tongji University, Nanjing Institute of
Geography and Limnology of Academy of Sciences, Institute for
Hydrobiology of the Chinese Academy of Sciences and the Chaohu Lake
Management Authority. The book explains the development of concepts
and solutions for sustained water quality improvement in Chaohu,
combining urban water resource management, decentralized sanitation
solutions, methods in water quality assurance, environmental
information systems and groundwater modeling.
This book highlights the aeolian processes in the desert zone of
Kazakhstan and Central Asian Deserts, and analyzes the current
status of dust and sand storms in Central Asia and Kazakhstan. It
also highlights the analyses, dynamics and long-term observations
of storms on the basis of numerous cartographic materials and
satellite images. Dust/sand storms are a common and important
phenomenon in the arid and semi-arid regions of Kazakhstan and
Central Asia as well,especially in its southern parts, where areas
are covered by a great variety of deserts and offer a significant
source of mineral and salt aerosols. The deserts of Kazakhstan
mostly cover lowlands and extend from the eastern coast of the
Caspian Sea to the piedmonts of the Tien-Shan Mountain. In
Kazakhstan and Central Asia desertification processes due to wind
erosion in the form of dust/sand storms were observed in
semi-desert and desert landscapes.
This book focuses on scientific and technological aspects of
groundwater-resources assessment and surveillance. It describes
relevant risks and investigates selected techniques for the
monitoring and mitigation of the individuated threats to
groundwater quality. The authors discuss the concepts of
groundwater-resources protection and offer examples of both
geogenic and anthropogenic degradation of groundwater quality, such
as heavy metals from mining activities and natural water-rock
interactions, as well as risk of contamination due to geological
CO2 storage practices etc. The volume also covers non-invasive
monitoring techniques and briefly addresses innovative sensor
technologies for the online assessment of water quality.
Furthermore, the role played by geochemical techniques, the
potential of environmental isotopes and the support provided by
physical modelling are highlighted. The chapters guide the reader
through various viewpoints, according to the diverse disciplines
involved, without aiming to be exhaustive, but instead picking
representative topics for their relevance in the context of
groundwater protection and control. This book will be of interest
to advanced students, researchers, policy-makers and stakeholders
at various levels.
This book collects selected full papers presented at the
International Symposium on Energy Geotechnics 2018 (SEG-2018), held
on 25th - 28th September 2018, at the Swiss Federal Institute of
Technology in Lausanne (EPFL). It covers a wide range of topics in
energy geotechnics, including energy geostructures, energy
geostorage, thermo-hydro-chemo-mechanical behaviour of
geomaterials, unconventional resources, hydraulic stimulation,
induced seismicity, CO2 geological storage, and nuclear waste
disposal as well as topics such as tower and offshore foundations.
The book is intended for postgraduate students, researchers and
practitioners working on geomechanics and geotechnical engineering
for energy-related applications.
This book introduces readers to the rich and varied thermal springs
of the Tibetan Plateau, which is steadily rising due to the
collision of two continental plates. Readers will discover a wealth
of information on boiling springs and hot springs, including their
location and elevation, temperature, geological characteristics,
and water chemical data, as well as tables on warm and tepid
springs. Shedding new light on this vital supplement to
hydroelectric resources in remote southwest China, the book will
appeal to a broad relationship, from experts researching the
Tibetan Plateau to companies specializing in geothermal
exploration.
The Handbook of Irrigation Hydrology and Management examines and
analyzes irrigated ecosystems in which water storage, applications,
or drainage volumes are artificially controlled in the landscape
and the spatial domain of processes varies from micrometers to tens
of kilometers, while the temporal domain spans from seconds to
centuries. The continuum science of irrigation hydrology includes
the surface, subsurface (unsaturated and groundwater systems),
atmospheric, and plant subsystems. Further, it presents numerous
considerations including the selection of economically viable
cropping patterns, land allocation by crop, water resource
allocation by crop, irrigation scheduling, deficit management
irrigation, optimizing crop yields, and more. Features: Offers
water-saving strategies to increase the judicious use of scarce
water resources Presents strategies to maximize agricultural yield
per unit of water used for different regions Compares irrigation
methods to offset changing weather patterns and impacts of climate
change
This new textbook and lab manual on remote sensing and digital
image processing of natural resources includes numerous practical,
problem-solving exercises, and case studies that use the free and
open-source platform R. It explains the basic concepts of remote
sensing and its multidisciplinary applications using R language and
R packages, and engages students in learning theory through
hands-on real-life projects. Features 1. Aims to expand theoretical
approaches of remote sensing and digital image processing through
multidisciplinary applications using R and R packages. 2. Engages
students in learning theory through hands-on real-life projects. 3.
All chapters are structured with solved exercises and homework and
encourages readers to understand the potential and the limitations
of the environments. 4. Covers data analysis in free and
open-source (FOSS) R platform, which makes remote sensing
accessible to anyone with a computer. 5. Explores current trends
and developments in remote sensing in homework assignments with
data to further explore the use of free multispectral remote
sensing data, including very high spatial resolution information.
Students in upper-level undergraduate or graduate programs with
Remote Sensing Course and Geoprocessing Course, civil and
environmental engineering, geosciences, and environmental sciences,
electrical engineering, biology, hydrology, agriculture
Engineering. Professionals in different areas who use remote
sensing and image processing. Students in upper-level undergraduate
or graduate programs taking courses in Remote Sensing and
Geoprocessing, civil and environmental engineering, geosciences,
and environmental sciences, electrical engineering, biology,
hydrology, agricultural engineering, as well as professionals in
different areas who use remote sensing and image processing, will
gain a deeper understanding and first-hand experience with remote
sensing and digital processing, with a learn-by-doing methodology
using applicable examples in natural resources. .
This collective book is a multidisciplinary approach on a key-topic
for our common future: overfishing. The focus is addressed to the
"Atlantic World", considering the main oceanic geography in which
this problem born in the early 20th century. The volume offers a
wide range of contributions from experts on the topic covering the
most relevant areas of the Atlantic and explaining important case
studies on overfishing recent history. Written in a historical
perspective, the book looks for institutional regulatory solutions
based on multilateral solutions and scientific advising. Founders
thought on the topic and the understanding's evolution of the
overfishing problem are mainly considered. This book is an
accessible synthesis on overfishing history especially recommended
for social scientists, historians, biologists, decision-makers and
committed citizens.
Piton de la Fournaise and Karthala are both shield volcanoes in the
southwest Indian Ocean. This publication summarizes the work done
on these very active basaltic volcanoes. Piton de la Fournaise has
a long history of scientific research and monitoring, with many
data collected during recent eruptions. It is certainly one of the
most studied volcanoes in the world. The work presented in this
monograph includes geological, geophysical, geochemical and
petrological aspects, but also studies on physical geography,
natural hazards and the sociological and behavioural approaches.'
The Karthala volcano may be less well known, but it serves as an
interesting comparison to Piton de la Fournaise. Although situated
close to the volcanoes of Hawaii, it differs from them by its more
alkaline magmas and less frequent activity. It was also monitored
for more than 25 years, producing extraordinary eruptions in recent
years.
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