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Author: Christian Büdel Publisher: BoD – Books on Demand ISBN: 3958261140 Category : Science Languages : en Pages : 146
Book Description
Availability of water and desiccation of important water reservoirs is a vital challenge in semi-arid to arid climates with growing economy and population. Low quantities of precipitation and high evaporation rates leave the water supply vulnerable to human activity and climatic variations. Endorheic basins of Northern Iran were hydrologically landlocked within geological timescales and thus bear evidence of past variations of water resources in generations of water related landforms, like abandoned lake level shorelines, alluvial fans and stream terraces. Understanding the development of these landforms reveals crucial information about past water reservoirs and landscape history. This study offers a comprehensive approach on understanding the geomorphological development of the landscape throughout Late Pleistocene and Holocene times. It integrates remote sensing and geographic information system analysis, with geomorphological and stratigraphical mapping fieldwork and detailed sedimentological investigations. The work shows the importance of analytical geomorphological mapping for delineating stratigraphic units of the Iranian Quaternary. Thus, several phases of drying and lake level retreat were identified in parallel geoarchives and could be dated to a time span from today to Late Pleistocene. The findings link the fate of the citizens of the ancient city of "Tepe Hissar" to their access to water and to the power of geomorphological processes, which started changing their environment.
Author: Christian Büdel Publisher: BoD – Books on Demand ISBN: 3958261140 Category : Science Languages : en Pages : 146
Book Description
Availability of water and desiccation of important water reservoirs is a vital challenge in semi-arid to arid climates with growing economy and population. Low quantities of precipitation and high evaporation rates leave the water supply vulnerable to human activity and climatic variations. Endorheic basins of Northern Iran were hydrologically landlocked within geological timescales and thus bear evidence of past variations of water resources in generations of water related landforms, like abandoned lake level shorelines, alluvial fans and stream terraces. Understanding the development of these landforms reveals crucial information about past water reservoirs and landscape history. This study offers a comprehensive approach on understanding the geomorphological development of the landscape throughout Late Pleistocene and Holocene times. It integrates remote sensing and geographic information system analysis, with geomorphological and stratigraphical mapping fieldwork and detailed sedimentological investigations. The work shows the importance of analytical geomorphological mapping for delineating stratigraphic units of the Iranian Quaternary. Thus, several phases of drying and lake level retreat were identified in parallel geoarchives and could be dated to a time span from today to Late Pleistocene. The findings link the fate of the citizens of the ancient city of "Tepe Hissar" to their access to water and to the power of geomorphological processes, which started changing their environment.
Author: Saeid Pourmorad Publisher: Springer Nature ISBN: 9811920451 Category : Science Languages : en Pages : 220
Book Description
This book presents a complete set of studies of alluvial fan sediments in southern Iran from the point of view of sedimentology, sedimentary geochemistry, tectonics, economic geology, groundwater, geomorphology, hazards and telemetry. In addition, the book focuses on advanced topics and theory, which practically serves as a model for the study of this type of sediment around the world. Alluvial fans are an important and fundamental factor in many sciences such as geology, environmental science, natural hazards, groundwater science, agriculture and many other related sciences. Lack of accurate knowledge of their constituent sediments has always been an important problem for experts in many science disciplines. From the economic point of view, the identification of alluvial fan deposits is of particular importance. For example, alluvial deposits are the centre of groundwater accumulation, and most groundwater reservoirs within the sedimentary basin are fed by water from alluvial deposits. Most of the gold production in South Africa has been formed as placer deposits in ancient alluvial fans. In addition, a large amount of uranium placer deposits is extracted from old alluvial fans in sedimentary basins in South Africa. This book serves as an ideal guide for experts in earth and environmental sciences and hydrology.
Author: Adrian M. Harvey Publisher: Geological Society of London ISBN: 9781862391895 Category : Science Languages : en Pages : 258
Book Description
Alluvial fans are important sedimentary environments. They trap sediment delivered from mountain source areas, and exert an important control on the delivery of sediment to downstream environments, to axial drainages and to sedimentary basins. They preserve a sensitive record of environmental change within the mountain source areas. Alluvial fan geomorphology and sedimentology reflect not only drainage basin size and geology, but change in response to tectonic, climatic and base-level controls. One of the challenges facing alluvial fan research is to resolve how these gross controls are reflected in alluvial fan dynamics and to apply the results of studies of modern fan processes and Quaternary fans to the understanding of sedimentary sequences in the rock record. This volume includes papers based on up-to-date research, and focuses on three themes: alluvial fan processes, dynamics of Quaternary alluvial fans and fan sedimentary sequences. Linking the papers is an emphasis on the controls of fan geomorphology, sedimentology and dynamics. This provides a basis for integration between geomorphological and sedimentological approaches, and an understanding how fluvial systems respond to tectonic, climatic and base-level changes.
Author: D. Ventra Publisher: Geological Society of London ISBN: 1786202670 Category : Science Languages : en Pages : 351
Book Description
Alluvial and fluvial fans are the most widespread depositional landform bordering the margins of highland regions and actively subsiding continental basins, across a broad spectrum of tectonic and climatic settings. They are significant to the local morphodynamics of mountain regions and also to the evolution of sediment-routing systems, affecting the propagation and preservation of stratigraphic signals of environmental change over vast areas. The volume presents case studies discussing the geology and geomorphology of alluvial and fluvial fans from both active systems and ancient ones preserved in the stratigraphic record. It brings together case studies from a range of continents, climatic and tectonic settings, some introducing innovative monitoring and analysis techniques, and it provides an overview of current debates in the field. This volume will be of particular interest to geologists, geomorphologists, sedimentologists and the general reader with an interest in Earth science.
Author: M. Marzo Publisher: John Wiley & Sons ISBN: 1444304003 Category : Science Languages : en Pages : 600
Book Description
Most of the thirty-four papers contained in this Special Publication arise from the Fourth International Conference on Fluvial Sedimentology held in Spain in 1989. Sections deal with various aspects of sediment transport and hydraulics in flume experiments and modern rivers, the analysis of alluvial facies, geomorphic and structural controls on alluvial sedimentation, alluvial stratigraphy and basin analysis, and finally the exploration and exploitation of ores. A professional reference to the most recent research in fluvial sedimentology. An international expert authorship.
Author: Martin Kehl Publisher: ISBN: 9783443090241 Category : Climatic changes Languages : en Pages : 210
Book Description
The author has studied sediment-soil sections in Iran in great detail in order to reconstruct and depict Middle to Upper Quaternary climate change and landscape evolution in this region. Following a comprehensive review of loess occurrences in Iran and adjacent countries, in fact, Western Asia, the study concentrates in detail on the soil sedimentology and pedology of loess reference sections of the Caspian lowlands (Northern Iran) and on loess-like sediments of the Persepolis Basin (Southern Iran). Both sections are characterized by sub-humid to semi-arid climates and present ideal laboratories for studying past climate changes and their effects on sediment deposition and soil formation. The sedimentological/paleopedological analyses presented here include detailed profile descriptions and copious micromorphological, geochemical and mineralogical data. Based on pedostratigraphic correlations and systematic luminescence- and radiocarbon dating, a new chronostratigrapic framework of sediment deposition and soil formation in Iran is described. The framework developed herein is subsequently used to correlate the studied sections with sediment-soil sequences of West and Central Asia and Eastern Europe. The synthesis chapter describes how paleoclimatic conditions affect loess accumulation, soil formation and geomorphodynamics during the formation of sediment-soil sequences, considering the importance of human impact on the geomorphodynamic settings. The book is of interest to pedologists, paleopedologists all researchers interested in loess, soils, climatic controls of their formation in the Quaternary.
Author: Andrzej H. Rachocki Publisher: Chichester, England ; Toronto : J. Wiley ISBN: Category : Science Languages : en Pages : 418
Book Description
This collection of papers brings together the work of authors from ten countries who examine a wide variety of alluvial landforms in various geographical, climatological and geological settings, from mountainous terrain and shore environments to temperate and dry climates. Ties together basic and applied studies, emphasizing the importance of historical context in geomorphological and sedimentological investigations. Well illustrated, including foldout panoramas.
Author: Ronald U. Cooke Publisher: CRC Press ISBN: 9780203020593 Category : Science Languages : en Pages : 540
Book Description
Including recent research findings from terrestrial satellite imagery, the study of planetary landscapes, and advances in laboratory work, this also covers the environmental processes involved in desertification and the solution of planning and
Author: Christian Büdel
Author: Christian Büdel
Author: Saeid Pourmorad
Author: Adrian M. Harvey
Author: D. Ventra
Author: M. Marzo
Author: Sylvia R. Nicovich
Author: Martin Kehl
Author: Eugène Hubert Rieben
Author: Andrzej H. Rachocki
Author: Ronald U. Cooke