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Books > Earth & environment > Earth sciences > Geology & the lithosphere > Geological surface processes (geomorphology)
This book compares existing soil erosion models and determines their suitability for predicting the impacts of global change upon soil erosion. The common datasets used for the evaluation are drawn from both temperate and semi-arid areas; they represent 73 site-years of data from seven sites in three countries. Six field-scale erosion models are evaluated; five of these are continuous-simulation types (GLEAMS, EPIC, CSEP, MEDRUSH and WEPP), the other is event-based (EUROSERM). After an introduction, the results of the model evaluation exercise are presented. Subsequent sections deal with weaknesses or omissions in current modelling approaches, descriptions of specific erosion models, and potential or actual model applications.
In geomorphology, landform inheritance refers to the inherited relationship of different landform morphologies in a certain area during the evolutionary process. This book studies loess landform inheritance based on national basic geographic data and GIS spatial analysis method. It reveals the Loess Plateau formation mechanism and broadens the understanding of spatial variation pattern of loess landform in the Loess Plateau.
This book is the outcome of rigorous and continuous research work done by the author over about three decades on the open ecosystem and dynamic environment of the estuarine Sunderbans. The objective of this work is to identify the field and factors changing gradually upon this active delta over the years, decades and centuries. The deltaic Sunderbans yet not mature enough, has been changing in its natural course with time. Further, anthropogenic interferences disturb the environments and accelerate degradation of nature of this fragile ecosystem simultaneously. Roles played by almost all the agents including man and environment and their involvement are identified for the changing environmental scenario of the Sunderbans. The book is befitted for the researchers and students for the post graduate levels. The Sunderbans, a UNESCO World Heritage Site covering parts of Bangladesh and the southern tip of Indian state of West Bengal, is a part of world's largest deltaic plain of fluvio-marine deposit formed by the Ganges and Brahmaputra at the confluence of the Bay of Bengal. It is the largest single block of tidal halophytic mangrove forest in the world, conspicuous for its great size and biodiversity. With an enormous network of channels and creeks, tidal inundation twice daily, Sunderbans mangroves wetland is a dynamic and complex ecosystem, which undergoes continuous processes of erosion and accretion. Natural processes like changes in local hydrology, sediment motion under wind, wave and tidal action, beach dynamics, regional and global processes like sea level rise as well as the impact of human interference in the form of reclamation of forest land, changes in land use patterns, coastal urbanizations etc are the lead factors for the changes in the environmental scenario of Sunderbans.
**Please note that the PB version of this title is an exact reprint of the original HB published in 1994** This book is an up-to-date review of research and practice on the use of vegetation for slope stabilization and control of surface erosion caused by water and wind. From a basic understanding of the principles and practices of vegetation growth and establishment, it describes how vegetation can be treated as an engineering material and used to solve erosion and slope stability problems.
This book offers a collection of conference articles presented at the Second International Young Scientists Forum on Soil and Water Conservation and ICCE symposium 2018 "Climate Change Impacts on Sediment Dynamics: Measurement, Modelling, and Management" held at Moscow from 27 to 31 August 2018. This conference was organized by World Association of Soil and Water Conservation (WASWAC) and Lomonosov Moscow State University in cooperation with the International Commission on Continental Erosion of the International Association of Hydrological Sciences and World Large rivers Initiative. Topics in this book cover a wide range of questions related to fluvial geomorphology, water studies, and sediment transport.
The book introduces essential concept of mineral exploration, mine evaluation and resource assessment of the discovered mineral deposit to students, beginners and professionals. The book is divided into nine chapters which will help the readers to incorporate the concepts of search for mineral deposits and understand the chances of success. The book discusses the fundamental details like composition of earth and mineral resources, formation of rock and mineral deposits, and the attempt to search for ore deposits to advance applications of remote sensing in mineral exploration. It also covers the details on how to conduct system of survey, evaluation, and how to arrive at a decision to open and carryout further exploration in the operating mine. The book shall be of great interest to geologists and mining community.
Sandy beaches represent some of the most dynamic environments on Earth and examining their morphodynamic behaviour over different temporal and spatial scales is challenging, relying on multidisciplinary approaches and techniques. Sandy Beach Morphodynamics brings together the latest research on beach systems and their morphodynamics and the ways in which they are studied in 29 chapters that review the full spectrum of beach morphodynamics. The chapters are written by leading experts in the field and provide introductory level understanding of physical processes and resulting landforms, along with more advanced discussions.
Glaciers and ice sheets have been melting significantly during
recent decades, posing environmental threats at local, regional and
global scales. Changes in glaciers are one of the clearest
indicators of alterations in regional climate, since they are
governed by changes in accumulation (from snowfall) and ablation
(by melting of ice). Glacier changes have been measured for the
last century by traditional field measurements, resulting in long
time series for a few glaciers. Remote sensing data and methods,
and geographic information systems, provide the means to allow
glacier changes to be monitored at a global scale, to be analysed
rapidly and to store the results and present information to both
scientific and popular audiences in a way which was not possible
before the digital revolution. Remote sensing of glaciers began
with terrestrial and aerial photography during the middle of the
20th century, but today the discipline embraces a large variety of
data types from laser scanner data to very high resolution
satellite imagery, which can be applied to the mapping of glacier
changes in terms of area, surface zonation or thickness. This book
highlights the history of the remote sensing of glaciers, the
physics of glaciers and remote sensing of them, and focuses
particularly on modern data and methods used by remote sensing
specialists and glaciologists. The book presents examples of
glacier research carried out, for example in the Alps, Norway,
Iceland, Caucasus, Patagonia, Rocky Mountains, Pakistan,
Antarctica, New Zealand, and Svalbard.
This volume provides a global treatment of historical and regional geomorphic work as it developed from the end of the nineteenth century to the hiatus of the Second World War. The book deals with the burgeoning of the eustatic theory, the concepts of isostasy and epeirogeny, and the first complete statements of the cycle of erosion and of polycyclic denudation chronology.
This volume is entirely devoted to the life and work of the world's most famous geomorphologist, William Morris Davis (1850-1934). It contains a treatment in depth of Davis' many contributions to the study of landforms including: the cycle of erosion denudation chronology arid and karst geomorphology the coral reef problem.
The Guayana Highlands in northeastern tropical America, rising from lowland rain forests and savannas up to 3000 m elevation, are characterized by ancient tablelands called "tepuis." The peatlands that developed on the tepuis constitute unique and fascinating ecosystems and are the focus of this volume, which starts with an overview of tropical and subtropical peats, followed by an introduction to the geo-ecological features of the Guayana region as a whole, with special emphasis on the diversity of the vegetation cover from lowlands to uplands to highlands. The core subject centers on the properties and dating of the peat deposits and the interpretation of the chronological record in terms of past environmental changes. The well illustrated book will appeal to a broad range of scientists interested in tropical highland peats, including quaternarists, soil scientists, geomorphologists, geographers, geologists, ecologists, botanists, hydrologists, conservationists, and land use planners.
Groundwater is Africa 's most precious natural resource,
providing reliable water supplies for many people. Further
development of groundwater resources is fundamental to increasing
access to safe water across the continent to meet coverage targets
and reduce poverty. There is also an increasing interest in the use
of groundwater for irrigated agriculture as the climate becomes
more variable. Sustainable development of the resource is not a
trivial task and depends crucially on an understanding of the
hydrogeology and people with the skills to make informed decisions
on how groundwater can best be developed and managed in a
sustainable fashion. Despite these obvious needs, however, little
attention has been paid to the systematic gathering of information
about groundwater resources in the past few decades, with the
result that data are patchy, knowledge is limited and investment is
poorly targeted.
This volume offers valuable insights into the nature of decay processes and the factors that control them. It presents several studies on the impact of pollution on stonework in urban environments. Important methodological contributions cover: the mapping of facades to explain rates of decay associated with conservation actions; the laboratory simulation of corrosion in polluted atmospheres; the quantification of colour change through a study of the artificial ageing of building stone. The effectiveness of stone treatments within the laboratory is also considered.
In the last one hundred years, a number of catastrophic events associated with rockslide dam formation and failure have occurred in the mountain regions of the world. This book presents a global view of the formation, characteristics and behaviour of natural and artificial rockslide dams. Chapters include a comprehensive state-of-the-art review of our global understanding natural and artificial rockslide dams, overviews of approaches to rockslide dam risk mitigation, regional studies of rockslide dams in India, Nepal, China, Pakistan, New Zealand, and Argentina. Rockslide dams associated with large-scale instability of volcanoes are also examined. Detailed case histories of well-known historic and prehistoric rockslide dams provide examples of investigations of rockslide dam behaviour, stability, and characteristics. The formation and behaviour of rockslide-dammed lakes ("Quake Lakes") formed during the 2008 Wenchuan Earthquake, China are also comprehensively summarised. The formation, sedimentology and stability of rockslide dams is examined in several analytical papers. An analysis of break-out floods from volcanogenic lakes and hydrological methods of estimating break-out flood magnitude and behavior are reviewed. The use of remote sensing data in rockslide-dammed lake characterisation is explored and a new approach to the classification of rockslide dams is introduced. Finally, a unique section of the book summarises Russian and Kyrgyz experience with blast-fill dam construction in two papers by leading authorities on the technology. The volume contains 24 papers by 50 authors from 16 countries including most of the recognised world authorities on the subject.
Yale's "Reports," published in 1828, is a seminal publication for understanding the development of American higher education. Giving highest priority to critical thinking skills, this fifty-six-page pamphlet played a central role in clearly delineating teaching objectives, modes of learning, and range of curriculum for the nation's colleges. In a deeply researched and well-crafted analytical narrative, David B. Potts introduces Yale's document, probes its origins and message, surveys its national reception, and assesses its import for liberal education, both then and now. His broadly contextual approach helps readers understand why the young republic, informed and encouraged by Yale's rationale, became a land of liberal arts colleges.
This book presents extensive and new information on the geomorphology of cratonic areas of southern South America. It includes valuable data relating to recurrent controversies in general geomorphology beyond the boundaries of South America and reveals the great need to integrate many different aspects of geomorphology in regional studies. With the focus on ancient landscapes and especially on planation surfaces it addresses the question of what processes could form such huge features, and how they can be preserved for so long. Many of the papers include maps of planation surfaces or other geomorphic units. The volume brings together an up-to-date, state-of-the-art collection of information on South American geomorphology, and shows beyond doubt that geomorphology is on the same time scale as global tectonics, biological evolution and major climate change. Some of the papers describe ancient geomorphological features of areas that have never been studied or published before, while others describe regions which are totally unknown to the public. The scope of the book extends from tropical latitudes north of the Tropic of Capricorn, south to freezing Patagonia in the "roaring fifties", more than 3,500 km from north to south. Including over one thousand citations from geological and geomorphological literature, this volume will serve as a starting point for a whole new phase of studies of the fascinating landscape history of southern South America.
This textbook provides an in-depth overview of the hydrodynamics of estuaries and semi-enclosed bodies of water. It begins by describing the typical classification of estuaries, followed by a presentation of the quantitative tools needed to study these basins: conservation of mass, salt, heat, momentum, and the thermodynamic equation of seawater. Further topics explore tides in homogeneous basins, including shallow water tides and tidal residual flows, wind-driven flows in homogeneous basins, density-driven flows, as well as interactions among tides, winds and density gradients. The book proposes a classification of semi-enclosed basins that is based on dominant dynamics, comparing forcing agents and restorative or balancing forces. Introduction to Estuarine Hydrodynamics provides an introduction for advanced students and researchers across a range of disciplines - Earth science, environmental science, biology, chemistry, geology, hydrology, physics - related to the study of estuarine systems.
The study of ice composition represents an effective tool in our understanding of the dynamics of glaciers, ice sheets and ice shelves. The authors of this work relate the distribution of isotopes and impurities in ice masses to ice flow, to the key zone close to the ice-substratum interface and to the mechanisms effective in the contact zone between glacier and ocean. Other material in this book is concerned with how global changes may be induced by a climatic warming due to anthropogenic activities. This monograph on glaciology, geophysics and geomorphology is intended for researchers, graduate students and teachers.
Empirical research needs a profound theory to be successful. This is the simple but, in its consequences, radical approach for this study in geomorphology. It critically analyses the current system understanding and offers a new view for a geomorphology that understands systems as being open but at the same time operationally closed, as self-organized, structure-building and potentially self-referential. Kirsten von Elverfeldt succeeds in designing a theoretical framework that sets new standards within Physical Geography. By using state-of-the-art concepts in system theory, it offers also new bridges to Human Geography as well as to other neighbouring disciplines. This book was awarded the Dissertation prize 2010 of the German Working Group in Geomorphology of the DGfG and the Hans Bobek-prize of the OGG (Austrian Geographical Society)."
The Carpatho-Balkan Geomorphological Commission and the International Association of Geomorphologists (IAG) Carpatho-Balkan-Dinaric Regional Working Group, promote networking between researchers and the exchange of research experience. Following a brief introduction into the geology, climate, hydrology and land cover of the Carpatho-Balkan-Dinaric region, the book provides detailed information on research applying both traditional and innovative techniques and summarizes contemporary knowledge on recent geomorphic processes. It also presents studies of exogenic geomorphic processes from each country. The chapters on Poland, the Czech Republic, Slovakia, Ukraine, Hungary, Romania, Slovenia, Croatia, Serbia, Bulgaria and Macedonia examine the geomorphic processes in shaping the topography of each country. This volume also examines key geomorphic processes influencing land use and economic activities as well as contributions discussing processes under climate change.
Geopressure drives fluid flow and is important for hydrocarbon exploration, carbon sequestration, and designing safe and economical wells. This concise guide explores the origins of geopressure and presents a step-by-step approach to characterizing and predicting pressure and least principal stress in the subsurface. The book emphasizes how geology, and particularly the role of flow along permeable layers, drives the development and distribution of subsurface pressure and stress. Case studies, such as the Deepwater Horizon blowout, and laboratory experiments, are used throughout to demonstrate methods and applications. It succinctly discusses the role of elastoplastic behaviour, the full stress tensor, and diagenesis in pore pressure generation, and it presents workflows to predict pressure, stress, and hydrocarbon entrapment. It is an essential guide for academics and professional geoscientists and petroleum engineers interested in predicting pressure and stress, and understanding the role of geopressure in geological processes, well design, hydrocarbon entrapment, and carbon sequestration.
Provides the first comprehensive review of the current state of the science on tills It is critical that glacial scientists continue to refine their interpretations of ancient archives of subglacial processes, specifically those represented by tills and associated deposits, as they form the most widespread and accessible record of processes at the ice-bed interface. Unfortunately, despite a long history of investigation and a lexicon of process-based nomenclature, glacial sedimentologists have yet to reach a consensus on diagnostic criteria for identifying till genesis in the geological record. What should be called till? Based on the author s extensive field research, as well as the latest literature on the subject, this book attempts to provide a definitive answer to that question. It critically reviews the global till literature and experimental and laboratory-based assessments of subglacial processes, as well as the theoretical constructs that have emerged from process sedimentology over the past century. Drawing on a wide range of knowledge bases, David Evans develops a more precise, contemporary till nomenclature and new investigatory strategies for understanding a critical aspect of glacial process sedimentology. * Provides an in-depth discussion of subglacial sedimentary processes, with an emphasis on the origins of till matrix and terminal grade and the latest observations on till evolution * Describes contemporary laboratory and modelling experiments on till evolution and techniques for measuring strain signatures in glacial deposits * Develops an updated till nomenclature based on an array of knowledge bases and describes new strategies for field description and analysis of glacial diamictons Written by an internationally recognised expert in the field, this book represents an important step forward in the modern understanding of glacial process sedimentology. As such, Till: A Glacial Process Sedimentology is an indispensable resource for advanced undergraduates and researchers in sedimentology, glacier science and related areas.
"Understanding Sea-Level Rise and Variability" identifies the major impacts of sea-level rise, presents up-to-date assessments of past sea-level change, thoroughly explores all of the factors contributing to sea-level rise, and explores how sea-level extreme events might change. It identifies what is known in each area and what research and observations are required to reduce the uncertainties in our understanding of sea-level rise so that more reliable future projections can be made. A synthesis of findings provides a concise summary of past, present and future sea-level rise and its impacts on society. Key Features: Book includes contributions from a range of international sea level experts Multidisciplinary Four color throughout Describes the limits of our understanding of this crucial issue as well as pointing to directions for future research The book is for everyone interested in sea-level rise and its impacts, including policy makers, research funders, scientists, students, coastal managers and engineers. Additional resources for this book can be found at: http: //www.wiley.com/go/church/sealevel.
The International Association for Sediment Water Science sponsors a symposium triennially, during which the latest developments in the study of interactions between sediments and their overlying waters are presented. These proceedings are a collection of papers submitted following the 7th Symposium held in Baveno, Italy, during 22nd - 25th September, 1996. The study of sediment/water interactions crosses disciplinary and ecosystem boundaries. The work presented in this volume demonstrates the importance of multidisciplinarity to the field with papers included in the general subject areas of sediment/water dynamics, sediment/contaminant interactions, the role of sediments in element cycles, the use of sediments as historical indicators, sediment/organism interactions, and studies of sedimentary environments in remote areas.
This book is designed to provide concepts, methodologies, and
approaches for river basin studies with respect to water resources
and environment. The book is not limited to the Yamuna River basin,
but will help in the study of various other river basins for
integrated water resources management. The book covers the
essential components of integrated water resources management,
including analysis of climatic variables, climate change detection,
analysis of natural resources, geology, geomorphology,
socio-economics, water budgeting, flood estimation, river
pollution, etc. Furthermore, the book addresses recent issues
pertaining to water quality, water quality indices, environmental
flows, water resources management through cropping pattern change,
etc. along with methodologies and application to the Yamuna River
system. However, the main objective of this book is to address
important issues of water resources management of river basins.
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