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  • 1
    Online Resource
    Online Resource
    Saint Louis :Elsevier Science & Technology,
    Keywords: Glacial landforms. ; Coasts. ; Electronic books.
    Description / Table of Contents: Glaciated Coasts is a collection of articles that deals with shoreline morphologies of glaciated coasts and the processes that formed these coastlines in North America. This book examines nonsandy shorelines and covers a range of geologic and geographic coastal settings in a northern-southern order. This text investigates and compares the glaciated northern shorelines. These shorelines north of the glacial limit are mostly of the primary form in different stages of modification by marine agents. Shorelines are associated with embayments; baymouth barriers in turn enclose embayments. This book describes beaches as having coarse or mixed sediment populations. Most beaches worldwide have gravel clasts that have been rounded and sorted by marine processes. In the southeastern coast of Alaska, active tectonics on a mountainous shoreline is evident. The region also shows emergent and submerging shorelines with a glacial imprint undergoing formation by modern processes. This book also gives examples of gravel beach environments in various coastal settings. This book can prove useful for students of meteorology, oceanography as well as to marine ecologists and biologists. It can also benefit readers whose interest lie with coastal environment or with the general earth sciences.
    Type of Medium: Online Resource
    Pages: 1 online resource (381 pages)
    Edition: 1st ed.
    ISBN: 9781483270203
    DDC: 551.313
    Language: English
    Note: Front Cover -- Glaciated Coasts -- Copyright Page -- Table of Contents -- LIST OF CONTRIBUTORS -- PREFACE -- Chapter 1. Geomorphology of a Tectonically Active, Glaciated Coast, South-Central Alaska -- I. Introduction -- II. Physical Setting -- III. Coastal Geomorphology -- IV. Coastal Sedimentary Environments -- V. Summary -- References -- Chapter 2. Fjord Sedimentation in Northern British Columbia -- I. Introduction -- II. Controls on Fjord Development and Sedimentation -- III. Burke Channel-North Bentinck Arm -- References -- Chapter 3. Coarse-Grained Beach Sedimentation under Paraglacial Conditions, Canadian Atlantic Coast -- I. Introduction -- II. Glaciation in Atlantic Canada -- III. Postglacial Relative Sea Level and Tidal Adjustments -- IV. Modern Oceanographic Environment -- V. Beach Morphology and Sediments-Selected Examples -- VI. Beach Development under Varying Sediment-Source Regimes -- VII. Beach Development under Varying Relative-Sea-Level Regimes -- VIII. Beach Development under Varying Dynamic Regimes -- IX. Conclusions -- References -- Chapter 4. An Evolutionary Model for Transgressive Sedimentation on the Eastern Shore of Nova Scotia -- I. Introduction and Objectives -- II. Physical Processes -- III. Relative Sea Level -- IV. Coastal Geology -- V. Eastern Shore Processes and Morphology -- VI. Evolutionary Coastal Model -- VII. Discussion -- VIII. Conclusions -- References -- Chapter 5. Holocene Evolution of the South-Central Coast of Iceland -- I. Introduction -- II. Glaciation -- III. Fluvioglacial Processes -- IV. Coastal Processes -- V. Shoreface and Continental Shelf -- VI. Conclusions -- References -- Chapter 6. An Inventory of Coastal Environments and Classification of Maine's Glaciated Shoreline -- I. Introduction -- II. Coastal Climate -- III. Late Quaternary History -- IV. Bedrock Geology -- V. Methods -- VI. Results. , VII. Discussion -- VIII. Summary -- References -- Chapter 7. Quaternary Stratigraphy of Representative Maine Estuaries: Initial Examination by High- Resolution Seismic Reflection Profiling -- I. Introduction -- II. Geologic Setting -- III. Methods -- IV. Discussion -- V. Conclusions -- References -- Chapter 8. Controls and Zonation of Geomorphology along a Glaciated Coast, Gouldsboro Bay, Maine -- I. Introduction -- II. Physical Setting -- III. Methods -- IV. Geomorphic Classes -- V. Controls of Coastal Geomorphology -- VI. Geomorphic Zonation -- VII. Conclusions -- References -- Chapter 9. Sediment Accumulation Forms, Thompson Island, Boston Harbor, Massachusetts -- I. Introduction and Setting -- II. South Cuspate Spit: Drift Convergence and the Initiation of a Tombolo -- III. North Cuspate Spit: Migrating Spits and Gravel Ridge Forms -- IV. South Longshore Spit: Gravel Overwash and Bar Emergence -- V. Conclusions -- References -- Chapter 10. Source of Pebbles at Mann Hill Beach, Scituate, Massachusetts -- I. Introduction -- II. Mann Hill Beach -- III. Offshore Sediment -- IV. Waves -- V. Wave-Induced Sediment Transport -- VI. Source of the Shingle on Mann Hill Beach -- References -- Chapter 11. Shoreline Development of the Glacial Cape Cod Coastline -- I. Introduction -- II. Glacial Geology of Cape Cod -- III. Coastal Geomorphology of Cape Cod -- IV. Cape Cod's Fulcrum-Nodal Coastline -- V. Fulcrum Cliffline Erosion -- VI. Cape Cod Beach Sediment Patterns -- VII. Barrier Beach Analogs of Cape Cod -- VIII. Conclusion -- References -- Chapter 12. Reworking of Glacial Outwash Sediments along Outer Cape Cod: Development of Provincetown Spit -- I. Introduction -- II. Evolution of Provincetown Spit -- III. Methodology -- IV. Results -- V. Summary and Conclusions -- References -- Index.
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  • 2
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    PANGAEA
    In:  Supplement to: Sprenk, Daniela; Weber, Michael E; Kuhn, Gerhard; Rosén, Peter; Frank, Martin; Molina-Kescher, Mario; Liebetrau, Volker; Röhling, Heinz-Gerd (2013): Southern Ocean bioproductivity during the last glacial cycle - new detection method and decadal-scale insight from the Scotia Sea. Geological Society of London, special issue: Palaeoenvironments and Earth-Surface Processes, 381(1), 245-261, https://doi.org/10.1144/SP381.17
    Publication Date: 2023-05-12
    Description: We present biogenic opal flux records from two deep-sea sites in the Scotia Sea (MD07-3133 and MD07-3134) at decadal-scale resolution, covering the last glacial cycle. Besides conventional and time-consuming biogenic opal measuring methods, we introduce new biogenic opal estimation methods derived from sediment colour b*, wet bulk density, Si/Ti-count ratio, and Fourier transform infrared spectroscopy (FTIRS). All methods capture the biogenic opal amplitude, however, FTIRS - a novel method for marine sediment - yields the most reliable results. 230Th normalization data show strong differences in sediment focusing with intensified sediment focusing during glacial times. At MD07-3134 230Th normalized biogenic opal fluxes vary between 0.2 and 2.5 g/cm2/kyr. Our biogenic opal flux records indicate bioproductivity changes in the Southern Ocean, strongly influenced by sea ice distribution and also summer sea surface temperature changes. South of the Antarctic Polar Front, lowest bioproductivity occurred during the Last Glacial Maximum when upwelling of mid-depth water was reduced and sea ice cover intensified. Around 17 ka, bioproductivity increased abruptly, corresponding to rising atmospheric CO2 contents and decreasing seasonal sea ice coverage.
    Keywords: IMAGES; International Marine Global Change Study
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 3
    Publication Date: 2023-06-27
    Keywords: CALYPSO2; Calypso Corer II; DEPTH, sediment/rock; Estimated; IMAGES; International Marine Global Change Study; Marion Dufresne (1995); MD07-3133; MD160; OOMPH, SUBCLIMATE; Opal, biogenic silica; Silicon/Titanium ratio; X-ray fluorescence (XRF)
    Type: Dataset
    Format: text/tab-separated-values, 12321 data points
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  • 4
    Publication Date: 2023-06-27
    Keywords: Accumulation rate, opal; AGE; CALYPSO2; Calypso Corer II; Corrected; DEPTH, sediment/rock; Fourier transform infrared spectroscopy (FTIR); IMAGES; International Marine Global Change Study; Marion Dufresne (1995); MD07-3133; MD160; OOMPH, SUBCLIMATE; Opal, biogenic silica
    Type: Dataset
    Format: text/tab-separated-values, 743 data points
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  • 5
    Publication Date: 2023-06-27
    Keywords: CALYPSO2; Calypso Corer II; DEPTH, sediment/rock; Estimated; IMAGES; International Marine Global Change Study; Marion Dufresne (1995); MD07-3134; MD160; OOMPH, SUBCLIMATE; Opal, biogenic silica; Silicon/Titanium ratio; X-ray fluorescence (XRF)
    Type: Dataset
    Format: text/tab-separated-values, 22492 data points
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  • 6
    Publication Date: 2023-06-27
    Keywords: Accumulation rate, opal; AGE; Calculated; CALYPSO2; Calypso Corer II; Corrected; DEPTH, sediment/rock; Fourier transform infrared spectroscopy (FTIR); IMAGES; International Marine Global Change Study; Marion Dufresne (1995); MD07-3134; MD160; OOMPH, SUBCLIMATE; Opal, biogenic, rain rate; Opal, biogenic silica; Thorium-230, flux normalized
    Type: Dataset
    Format: text/tab-separated-values, 2420 data points
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  • 7
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    PANGAEA
    In:  Supplement to: Vogel, Hendrik; Wagner, Bernd; Zanchetta, Giovanni; Sulpizio, Roberto; Rosén, Peter (2010): A paleoclimate record with tephrochronological age control for the last glacial-interglacial cycle from Lake Ohrid, Albania and Macedonia. Journal of Paleolimnology, 44, 295-310, https://doi.org/10.1007/s10933-009-9404-x
    Publication Date: 2023-06-27
    Description: Lake Ohrid is probably of Pliocene age, and the oldest extant lake in Europe. In this study climatic and environmental changes during the last glacial-interglacial cycle are reconstructed using lithological, sedimentological, geochemical and physical proxy analysis of a 15-m-long sediment succession from Lake Ohrid. A chronological framework is derived from tephrochronology and radiocarbon dating, which yields a basal age of ca. 136 ka. The succession is not continuous, however, with a hiatus between ca. 97.6 and 81.7 ka. Sediment accumulation in course of the last climatic cycle is controlled by the complex interaction of a variety of climate-controlled parameters and their impact on catchment dynamics, limnology, and hydrology of the lake. Warm interglacial and cold glacial climate conditions can be clearly distinguished from organic matter, calcite, clastic detritus and lithostratigraphic data. During interglacial periods, short-term fluctuations are recorded by abrupt variations in organic matter and calcite content, indicating climatically-induced changes in lake productivity and hydrology. During glacial periods, high variability in the contents of coarse silt to fine sand sized clastic matter is probably a function of climatically-induced changes in catchment dynamics and wind activity. In some instances tephra layers provide potential stratigraphic markers for short-lived climate perturbations. Given their widespread distribution in sites across the region, tephra analysis has the potential to provide insight into variation in the impact of climate and environmental change across the Mediterranean.
    Keywords: Co1202; Lake Ohrid, Macedonian/Albanian border; PCUWI; Piston corer, UWITEC
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 8
    Publication Date: 2023-06-27
    Keywords: AGE; Calcium carbonate; Carbon, organic, total; Co1202; DEPTH, sediment/rock; Element analyser CHN, LECO; Lake Ohrid, Macedonian/Albanian border; Opal, biogenic silica; PCUWI; Piston corer, UWITEC
    Type: Dataset
    Format: text/tab-separated-values, 1260 data points
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  • 9
    Publication Date: 2023-06-27
    Keywords: AGE; Chromium; Co1202; DEPTH, sediment/rock; Lake Ohrid, Macedonian/Albanian border; Magnetic susceptibility, volume; PCUWI; Piston corer, UWITEC; Titanium; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 56690 data points
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  • 10
    Publication Date: 2023-07-11
    Keywords: AGE; Co1202; DEPTH, sediment/rock; Grain size, sieving/settling tube; Lake Ohrid, Macedonian/Albanian border; PCUWI; Piston corer, UWITEC; Size fraction 〈 0.002 mm, clay; Size fraction 0.0063-0.002 mm, fine silt; Size fraction 0.020-0.0063 mm, medium silt; Size fraction 0.063-0.020 mm, coarse silt; Size fraction 0.200-0.063 mm, fine sand; Size fraction 0.630-0.200 mm, medium sand
    Type: Dataset
    Format: text/tab-separated-values, 950 data points
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