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Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780080932194
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Summary : Slope deposits are common in any inclined relief. So-called cover beds may veil entire landscapes, in which case they are commonly overlooked or confused with soil horizons. This book focuses on these widespread deposits and discusses their properties, genesis, and age mainly in subdued mountains of Central Europe, where to date most research on the matter has been conducted. The ecological consequences of such slope deposits on soils, slope water dynamics, and slope failures are addressed. Finally, transfer of the cover-bed concept to other mid-latitude regions is attempted for the reconstruction of landscape evolution. This unique compilation, covering several decades of a facies-oriented approach to slope-deposit research, delivers deep insight into the wide field of research on cover beds and encourages researchers all over the world to take an in-depth look at the critical zone as to its possible stratified nature. Unique compilation of several decades of slope-deposit research Facies-oriented approach Addresses ecological consequences on soils, slope water dynamics, and slope failures

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : B. Damm,B. Terhorst,F. Ottner
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079416
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Summary : The occurrence and spatial distribution of cover beds are decisive for modern hillslope morphodynamics. This aspect is strongly associated with the geotechnical properties of cover beds and especially with their anisotropy. The impact of periglacial cover beds on mass movements, in particular landslides in subdued mountains, will be discussed in this section. The case studies in this chapter show that soil-physical and soil-mechanical properties significantly influence the forces in periglacial cover beds and, thus, directly control the slope stability. In contrast to long-lasting stable geomorphological factors, the reduction of shear strength, friction angle, and cohesion as well as the deformability may induce abrupt instability. Abrupt instabilities in periglacial cover beds particularly arise, when the soil-water content increases and, consequently, both the pore water and the hydrostatic pressures rise. In particular, we show that landslides to a large extent occur in hillslope sediments which are weakly consolidated and sensitive to water penetration.

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : K.-M. Moldenhauer,K. Heller,P. Chifflard,R. Hübner,A. Kleber
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079409
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Summary : Numerous case studies carried out in the subdued mountains of Germany during the last decades have revealed that periglacial cover beds play a decisive role in hillslope hydrology. Considering the omnipresence of cover beds in sloped terrain of the mid-latitudes, knowledge of slope-water paths is crucial not only for flood forecast but also for understanding how contaminants pass through ecosystems. Since periglacial cover beds are usually composed of different sedimentary layers, they show a high spatial variability of physical soil parameters, which are, in turn, responsible for small-scale variations of the hydraulic properties. Regardless of bedrock type, the observations reported in this chapter from different regions lead to the conclusion that there is a clear relationship between subsurface layering and runoff-generation processes. The hydraulic anisotropic structure of the deepest (basal) layer is the major factor controlling subsurface water-flow paths. On one hand, this layer acts as an aquitard for seeping water because of its high bulk density. On the other hand, once water has percolated into this layer, it is able to flow in lateral directions because of the coarse clasts oriented parallel to the slope. Therefore, such a cover bed may be treated neither as an aquifer nor as an aquiclude. Besides, as a function of pre-moisture, a nonlinear runoff response to precipitation or snow-melt of the investigated catchments was identified.

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : A. Kleber,B. Terhorst
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079379
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Summary : Slope deposits that formed by unconcentrated dislocation and that cover slopes in a rather uniform way are referred to as “cover beds” in this book. They consist of materials from upslope but may contain admixed eolian matter. They are commonly multilayered with the individual layers separated by disconformities (lithological discontinuities). The main scope of this book is to provide a comprehensive state of the art of this particular type of slope deposits in the mid-latitudes. Being a major component of the near-surface ground, cover beds should be included as an integral part into the so-called critical-zone concept and may partially replace the existing “biomantle concept” for the mid-latitudes.

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : A. Kleber,M. Leopold,C. Vonlanthen,J. Völkel
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079423
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Summary : Slope deposits, which veil entire slopes or large parts of them in a rather uniform manner (cover beds), are ubiquitous in the subdued mountains of Central Europe (e.g., ). Here, we show that successions of cover beds are not restricted to this area but occur in many other regions of rather different natural inventories, such as the European Alps, the Russian Plain, south-central Turkey, and the western USA (Great Basin and Rocky Mountains). Cover beds usually form sequences of two or more distinct layers, and their distribution depends on the geomorphic, climate-driven processes of their formation. As they influence pedogenesis, they contribute to the understanding of soil properties and soil distribution: horizon boundaries occur at depths where cover-bed properties change. The properties of the layers and of the soils developed in them are different per region: in humid areas layers free of admixed loess components, thus being solely influenced by weathered local materials, are frequent, whereas in dry regions such layers have not yet been reported. In several areas studied in this chapter, paleosols either occur within cover-bed successions or have been reallocated and incorporated into the cover beds. This provides handles to the ages of layers. The layer successions slowly change with elevation but show a drastic break at around the timberline where Holocene rather than Pleistocene periglacial slope processes gained supremacy.

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : A. Kleber,B. Terhorst,H. Bullmann,D. Hülle,M. Leopold,S. Müller,T. Raab,D. Sauer,T. Scholten,M. Dietze,P. Felix-Henningsen,J. Heinrich,E.-D. Spies,H. Thiemeyer
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079386
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Summary : Slope deposits, which veil entire slopes or large parts of them in a rather uniform manner (cover beds), are ubiquitous in the subdued mountains of Central Europe. Here we provide an overview of the current state of knowledge on these deposits. The Central European cover beds are divided into (1) the upper layer that is ubiquitously distributed and displays a relatively constant thickness; (2) the intermediate layer the distribution of which is mainly restricted to flat relief, to slope depressions, and to lee-ward facing slopes; and (3) the basal layer, which is rather widespread again. Both the upper and intermediate layer contain intermixed loess, whereas the basal layer is free of loess and typically has a high bulk density. Aside from the loess content, the composition of the layers differs, reflecting varying portions of crushed and chemically weathered rock allocated from up-slope. This causes notable diversity depending on bedrock and, thus, induces remarkable regional differences. Cover beds were mainly formed by periglacial gelifluction. The upper layer formed in the Late Glacial possibly during several short episodes of activity. In contrast, the underlying layers may be diachronous; nevertheless, they display recurring vertical sequences. This is probably due to the fact that loess-free layers usually could not deposit as long as there was loess in the environs, which may have been inherited from older deposits. Thus, the last phase of surface wash, during which older loess was removed, determines the age of the lower layers.

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : B. Terhorst,A. Kleber,E. Bibus
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079430
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Summary : Cover beds are usually not regarded of use for relative dating. The examples discussed in this chapter demonstrate otherwise. Central European cover beds usually are of Pleistocene age, and they can be utilized for distinguishing older landforms, such as slope failures, covered by one or more cover beds, from those which are not covered by periglacial deposits. In the western USA, where intervening soil-forming episodes provide a stratigraphic framework for such deposits, the stratigraphic value of cover-bed and soil successions is tested on various types of landforms. However, dating landforms relatively by overlying cover beds calls for due consideration of erosion-induced hiatuses and of tectonically induced processes out of phase with those driven by climate.

Mid-Latitude Slope Deposits (Cover Beds)

Mid-Latitude Slope Deposits (Cover Beds)
  • Author : C. Lorz,M. Frühauf,R. Mailänder,J.D. Phillips,A. Kleber
  • Publisher :Unknown
  • Release Date :2013-02-26
  • Total pages :320
  • ISBN : 9780128079393
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Summary : The genesis of soils has been seen mostly as an autochthonistic process, that is, formation in situ. However, soil geomorphologists have recognized addition and loss of materials, for example, through eolian and colluvial processes, as a major contribution to allochthonistic soil formation. The most important characteristic of these soils is the lithological discontinuity, which separates the lower residual material from the upper allochthonic soil. The chapter deals with (1) developing a model joining the ideas of in situ formation and near-surface processes such as adding or removing material, (2) the pedogenetic processes in soils with lithological discontinuities, and (3) the effect of lithological discontinuities on physical and chemical properties of soils.

Sedimentary Environments

Sedimentary Environments
  • Author : Harold G. Reading
  • Publisher :Unknown
  • Release Date :2013-07-03
  • Total pages :704
  • ISBN : 9781118687635
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Summary : Sedimentary Environments is one of the most distinguished and influential textbooks in the earth sciences published in the last 20 years. The first and second editions both won universal praise and became classic works in sedimentology. Since the publication of the last edition, the study of sedimentary environments and facies has made great strides, with major advances in facies modelling, sequence stratigraphy and basin modelling. The 3rd edition of this classic text will likely set the benchmark even higher, and needless to say, will continue being the textbook of choice for sedimentology students. The latest edition of a classic text. Incorporates all the latest advances in dynamic stratigraphy. Will remain the textbook of choice for upper level undergraduate and graduate students in sedimentology.

Trench-forearc Geology

Trench-forearc Geology
  • Author : Jeremy K. Leggett
  • Publisher :Unknown
  • Release Date :1982
  • Total pages :576
  • ISBN : UCSD:31822010143154
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Summary :

Ocean Mining Report

Ocean Mining Report
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1982
  • Total pages :229
  • ISBN : UCSD:31822032642241
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Summary :

Sagalassos V

Sagalassos V
  • Author : Marc Waelkens,Lieven Loots
  • Publisher :Unknown
  • Release Date :2000
  • Total pages :873
  • ISBN : 9058670791
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Summary :

The Quaternary of Virginia

The Quaternary of Virginia
  • Author : Virginia. Division of Mineral Resources
  • Publisher :Unknown
  • Release Date :1986
  • Total pages :137
  • ISBN : UVA:X001405303
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Summary :

Fluvial-Tidal Sedimentology

Fluvial-Tidal Sedimentology
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :2015-11-26
  • Total pages :656
  • ISBN : 9780444635396
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Summary : Fluvial-Tidal Sedimentology provides information on the ‘Tidal-Fluvial Transition', the transition zone between river and tidal environments, and includes contributions that address some of the most fundamental research questions, including how the morphology of the tidal-fluvial transition zone evolves over short (days) and long (decadal) time periods and for different tidal and fluvial regimes, the structure of the river flow as it varies in its magnitude over tidal currents and how this changes at the mixing interface between fresh and saline water and at the turbidity maximum, the role of suspended sediment in controlling bathymetric change and bar growth and the role of fine-grained sediment (muds and flocs), whether it is possible to differentiate between ‘fluvial’ and ‘tidally’ influenced bedforms as preserved in bars and within the adjacent floodplain and what are the diagnostic sedimentary facies of tidal-fluvial deposits and how are these different from ‘pure’ fluvial and tidal deposits, amongst other topics. The book presents the latest research on the processes and deposits of the tidal-fluvial transition, documenting recent major field programs that have quantified the flow, sediment transport, and bed morphology in tidal-fluvial zones. It uses description of contemporary environments and ancient outcrop analogues to characterize the facies change through the tidal-fluvial transition. Presents the latest outcomes from recent, large, integrated field programs in estuaries around the world Gives detailed field descriptions (outcrop, borehole, core, contemporary sediments) of tidal-fluvial deposits Accesses new models and validation datasets for estuarine processes and deposits Presents descriptions of contemporary environments and ancient outcrop analogues to characterize the facies change through the tidal-fluvial transition

High Resolution Archaeology and Neanderthal Behavior

High Resolution Archaeology and Neanderthal Behavior
  • Author : Eudald Carbonell i Roura
  • Publisher :Unknown
  • Release Date :2012-03-13
  • Total pages :865
  • ISBN : 9789400739222
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Summary : The aim of this book is to provide a new insight on Neanderthal behaviour using the data recovered in level J of Romaní rockshelter (north-eastern Spain). Due to the sedimentary dynamics that formed the Romaní deposit, the occupation layers are characterized by a high temporal resolution, which makes it easier to interprete the archaeological data in behavioural terms. In addition, the different analytical domains (geoarchaeology, lithic technology, zooarchaeology, taphonomy, anthracology, palaeontology) are addressed from a spatial perspective that is basic to understand human behaviour, but also to evaluate the behavioural inferences in the framework of the archaeological formation processes.​

Stratigraphic Architecture and Eustatic Setting of Slope Grainstones Associated with Peak Icehouse Conditions

Stratigraphic Architecture and Eustatic Setting of Slope Grainstones Associated with Peak Icehouse Conditions
  • Author : Joseph Assaad El-Azzi
  • Publisher :Unknown
  • Release Date :2010
  • Total pages :200
  • ISBN : OCLC:645978329
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Summary : High-latitude Gondwanan glaciation is widely recognized during Late Pennsylvanian and Early Permian (Wolfcampian) time. Accompanying high-amplitude glacioeustatic fluctuations (up to120m) have been documented from North American midcontinent cyclothems and southwestern shelf-margin carbonates. Complex stratal architectures and facies juxtapositions are commonly associated with such settings. Autochthonous lowstand prograding wedge deposits of shallow shelf origin can generate stratal architectures that superficially resemble those of deeper water allochthonous slope facies. This study uses outcrop data collected from the Southern Outlier of the Hueco Mountains to provide documentation of deposit types and architectures observed on a platform margin and slope setting. Data collected for this study include traditional measured section, hand sample, and petrographic thin section analysis. Ten detailed measured sections were logged and surveyed with RTK-GPS in order to allow integration with ground-based LIDAR data. Key sequence stratigraphic surfaces and geobody boundaries were mapped on photomosaics and spatially constrained using RTK-GPS and later are integrated into a geo-referenced LIDAR pointcloud dataset. A 3D geocellular model was constructed using upper and lower bounding surfaces to define zones and subsequently the LIDAR points with assigned facies attributes were used to distribute facies within the cells of each of the defined zones. A constructed depositional model reveals five depositional environments 1) toe of slope to basin, 2) lower slope, 3) middle slope, 4) upper slope and 5) platform edge. Mud-dominated fabrics compose much of the lower slope to basin environments represented by low-energy fine-grained gravity settling deposits. Intermittent grain-dominated fabrics in form of turbidites are deposited within the lower slope. Matrix-supported lithoclastic debris flow type deposits form backfilling aprons on the middle slope. Grain-dominated grain flows develop stacked shingled wedges within the middle slope. Karsted breccias mark a depositional hiatus formed by subaerial exposure and siginifcant erosion on the slope. Boundstone fabrics within tabular and mounded algal buildups mark the platform edge environments. These superimposed deposits are interpreted to record an overall regression from the toe-of-slope to the middle slope capped by a subaerially exposed surface marking a depositional hiatus followed by a transgression to the platform margin.

Stratigraphy, Sedimentology, and Palynology of the Kootenay-Blairmore Transition in Southwestern Alberta and Southeastern British Columbia

Stratigraphy, Sedimentology, and Palynology of the Kootenay-Blairmore Transition in Southwestern Alberta and Southeastern British Columbia
  • Author : Brian David Ricketts,A. R. Sweet
  • Publisher :Unknown
  • Release Date :1986
  • Total pages :41
  • ISBN : STANFORD:36105032937695
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Summary : The study involved the measurement of stratigraphic section and collection of samples for pollen analysis, an examination and interpretation of the stratigraphy of the Pocaterra Creek Member, and the sedimentology of the Kootenay-Blairmore transition in the Kananaskis and Fernie areas and an examination of the palynology and biostratigraphy of the Elk-Pocaterra Creek interval.

Late Quaternary Environmental Change

Late Quaternary Environmental Change
  • Author : Martin Bell,M.J.C. Walker
  • Publisher :Unknown
  • Release Date :2014-07-10
  • Total pages :368
  • ISBN : 9781317904793
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Summary : Late Quaternary Environmental Change addresses the interaction between human agency and other environmental factors in the landscapes, particularly of the temperate zone. Taking an ecological approach, the authors cover the last 20,000 years during which the climate has shifted from arctic severity to the conditions of the present interglacial environment.

Quaternary Glaciations - Extent and Chronology

Quaternary Glaciations - Extent and Chronology
  • Author : J. Ehlers,P.L. Gibbard,P.D. Hughes
  • Publisher :Unknown
  • Release Date :2011-06-29
  • Total pages :1126
  • ISBN : 9780444535375
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Summary : The book presents an up-to-date, detailed overview of the Quaternary glaciations all over the world, not only with regard to stratigraphy but also with regard to major glacial landforms and the extent of the respective ice sheets. The locations of key sites are included. The information is presented in digital, uniformly prepared maps which can be used in a Geographical Information System (GIS) such as ArcView or ArcGIS. The accompanying text supplies the information on how the data were obtained (geomorphology, geological mapping, air photograph evaluation, satellite imagery), how the features were dated (14C, TL, relative stratigraphy) and how reliable they are supposed to be. All references to the underlying basic publications are included. Where controversial interpretations are possible e.g. in Siberia or Tibet, this is pointed out. As a result, the information on Quaternary glaciations worldwide will be much improved and supplied in a uniform digital format. The information on the glacial limits is compiled in digital form by the coordinators of the project, and is available for download at: http://booksite.elsevier.com/9780444534477/ Completely updated detailed coverage of worldwide Quaternary glaciations Information in digital, uniformly prepared maps which can be used in a GIS such as ArcView or ArcGis Step-by-step guideline how to open and use ArcGis files Possibility to convert the shapefiles into GoogleEarth kmz-files Availability of chronological controls

Annales de géomorphologie

Annales de géomorphologie
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1960
  • Total pages :229
  • ISBN : UCBK:C022069532
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Petroleum Abstracts

Petroleum Abstracts
  • Author : Anonim
  • Publisher :Unknown
  • Release Date :1997
  • Total pages :229
  • ISBN : STANFORD:36105017936563
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Summary :