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Laminated Sediments
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Book Synopsis Palaeoclimatology and Palaeoceanography from Laminated Sediments by : Alan E. S. Kemp
Download or read book Palaeoclimatology and Palaeoceanography from Laminated Sediments written by Alan E. S. Kemp and published by Geological Society of London. This book was released on 1996 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The magnitude and causes of decadal to century-scale changes in climate are major issues of global concern. The separation of anthropogenically driven change from natural 'baseline' variability within the atmosphere/ocean system is a prerequisite to identifying human impact on global climate. An understanding of past climate variability is therefore a key to predicting future climate change. The sedimentary record of the oceans, seas and lakes is produced by a series of depositional events that occur on seasonal timescales but can rarely be resolved due to mixing of the sediment by bottomdwelling organisms. Where they are preserved, laminated sediments act like tree rings to record these seasonal-scale processes, such as plankton blooms and floods, and provide a uniquely high-resolution record of environmental change. In addition, annually laminated or 'varved' sediment sequences act as geochronometers against which other timescales can be tested. Laminated sediments may therefore be used to develop records of interannual and decadal-scale variability which serve to test models of climate change. The authors cover a range of topics that include strategies for study and techniques of analysis. A series of case studies, dealing with a variety of lacustrine and marine records, illustrates the wide potential of laminated sediments as palaeoclimatic and palaeoceanographic indicators.
Book Synopsis Annually Laminated Lake Sediments by : Wojciech Tylmann
Download or read book Annually Laminated Lake Sediments written by Wojciech Tylmann and published by MDPI. This book was released on 2020-04-28 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The collection of papers presented in this book illustrates the recent progress made in varved sediment research and highlights the large variety of methodological approaches and research directions applied. The contributions cover monitoring of modern sediment fluxes using sediment traps; geochronological and sedimentological analyses of annually laminated lacustrine sediments or varves; and multiproxy investigations, including geochemical and biological proxies as well as spatiotemporal analyses based on multicore studies supported by satellite images and X-ray computed tomography (CT). The scientific issues discuss the influences of hydrological and climatological phenomena on short-term changes in sediment flux, the relationships between biogeochemical (limnological) processes in the water column and the formation of varves, the preservation of environmental signals in varved sediments, and possibilities of synchronizing varved records with other high-resolution environmental archives such as tree rings.
Book Synopsis Laminated Sediments by : Matti Saarnisto
Download or read book Laminated Sediments written by Matti Saarnisto and published by . This book was released on 1992 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laminated Sediments by : Sheila Hicks
Download or read book Laminated Sediments written by Sheila Hicks and published by . This book was released on 1994 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Paleoenvironmental Reconstruction Using Laminated Sediments Containing Authigenic Carbonate Minerals by : Chad Andrew Wittkop
Download or read book Paleoenvironmental Reconstruction Using Laminated Sediments Containing Authigenic Carbonate Minerals written by Chad Andrew Wittkop and published by . This book was released on 2004 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Image Analysis, Sediments and Paleoenvironments by : Pierre Francus
Download or read book Image Analysis, Sediments and Paleoenvironments written by Pierre Francus and published by Springer Science & Business Media. This book was released on 2007-01-19 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a guide to imaging techniques for sedimentologists, paleolimnologists, paleoceanographers and microscopists involved in paleoenvironmental reconstruction. Case studies illustrate the range of information obtainable from different sediments (marine, lacustrine, aeolian) and different types of samples (cores, embedded blocks, microscopic slides) using different regions of the electromagnetic spectrum (visible, UV, IR, X-ray). Includes comprehensive protocols, guidelines, and recommendations for the use of low cost image analysis techniques.
Book Synopsis Tracking Environmental Change Using Lake Sediments by : William M. Last
Download or read book Tracking Environmental Change Using Lake Sediments written by William M. Last and published by Springer Science & Business Media. This book was released on 2006-04-11 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Origins of fallout radionuclides Sediment records of fallout radionuclides Simple dating models Vertical mixing Numerical techniques Radiometric techniques Discussion Summary Acknowledgements References 10. chronostratigraphic techniques in paleolimnology. Svante Björck & Barbara Wohlfarth 205 Introduction Methods and problems Radiocarbon-dating different fractions of the sediment as a chronostratigraphic tool Dating of long (old) stratigraphies High resolution dating and wiggle matching dating versus absolute dating techniques of lacustrine sediments Concluding remarks Summary Useful www addresses Acknowledgements References 11. Varve chronology techniques. Scott Lamoureux 247 Introduction Methods Summary and future directions Acknowledgements References 12. Luminescence dating. Olav B. Lian & D.J. Huntley 261 Introduction The mechanism responsible for luminescence Dating and estimation of the paleodose Thermoluminescence dating Optical dating Evaluating the environmental dose rate xi Sample collection and preparation What types of depositional environments are suitable for luminescence dating? What can lead to an inaccurate optical age? Summary Acknowledgements References 13. Electron spin resonance (ESR) dating in lacustrine environments. Bonnie A.B. Blackwell 283 Introduction Principles of ESR analysis Sample collection ESR analysis ESR microscopy and other new techniques Applications and datable materials in limnological settings Summary Acknowledgements References 14. Use of paleomagnetism in studies of lake sediments. John King & John Peck 371 Introduction Recording fidelity of geomagnetic behavior by sediments Field and laboratory methods Holocene SV records Magnetostratigraphic studies of Neogene lake sediments Excursions, short events and relative paleointensity Conclusions Summary References 15. Amino acid racemization (AAR) dating and analysis in lacustrine environments.
Book Synopsis Microbial Sediments by : Robert E. Riding
Download or read book Microbial Sediments written by Robert E. Riding and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a comprehensive overview of the rapidly developing field of microbial sediments, featuring excellent artwork. It contains authoritative and stimulating contributions by distinguished authors that cover the field and set the scene for future advances.
Book Synopsis Meromictic Lakes and Varved Lake Sediments in North America by : Roger Yates Anderson
Download or read book Meromictic Lakes and Varved Lake Sediments in North America written by Roger Yates Anderson and published by . This book was released on 1985 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lakes in North America that are meromictic or that contain sediments with annual layers are assessed for their potential for reconstruction of ancient climates.
Book Synopsis The Interactions Between Sediments and Water by : R. Douglas Evans
Download or read book The Interactions Between Sediments and Water written by R. Douglas Evans and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acknowledgements Conference Summary R. D. EVANS, A. PROVINI, J. S. MATIICE, B. T. HART and J. WISNIEWSKI/Interactions Between Sediments and Water: Summary of the 7th International Symposium 1-7 Sediment I Water Dynamics D. E. WALLING and W. HE /Investigating Spatial Patterns of Overbank Sedimentation on River Floodplains 9-20 R. JEPSEN, J. ROBERTS and W. LICK / Effects of Bulk Density on Sediment Erosion Rates 21-31 T. G. MILLIGAN and D. H. LORING / The Effect of Flocculation on the Size Distributions of Bottom Sediment in Coastal Inlets: Implications for Contaminant Transport 33-42 loG. DROPPO, G. G. LEPPARD, D. T. FLANNIGAN and S. N. LlSS / The Freshwater Floc: A Functional Relationship of Water and Organic and Inorganic Floc Constituents Affecting Suspended Sediment Properties 43-53 C. H. TSAI and J. Q. HU / Flocculation of Particles by Fluid Shear in Buffered Suspensions 55-62 P. M. STONE and D. E. WALLING / Particle Size Selectivity Considerations in Suspended Sediment Budget Investigations 63-70 Q. HE and D. E. WALLING / Spatial Variability of the Particle Size Composition of Overbank Floodplain Deposits 71-80 C. YEN and Y. LIN KEY / Variations of Bed Surface Sediment Size in a Channel Bend 81-88 M. STONE and B. G. KRISHNAPPAN / Transport Characteristics of Tile-Drain Sediments From an Agricultural Watershed 89-103 U. KERN and B. WESTRICH / Sediment Budget Analysis for River Reservoirs 105-112 A. I. PACKMAN, N. H. BROOKS and J. J.
Book Synopsis Palaeomagnetism and Magnetostratigraphy of Karst Sediments in Slovenia by : Nadja Zupan Hajan
Download or read book Palaeomagnetism and Magnetostratigraphy of Karst Sediments in Slovenia written by Nadja Zupan Hajan and published by Založba ZRC. This book was released on 2008-01-01 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Namen knjige je predstaviti rezultate 10 let trajajočih slovensko-čeških raziskav, ko smo predvsem z različnimi paleomagnetnimi metodami intenzivno raziskovali kraške površinske in jamske sedimente v različnih geografskih in geoloških območjih Slovenije. Paleomagnetne raziskave sedimentov so prinesle presenetljive rezultate glede starosti sedimentov v jamah in na površju in s tem tudi prve podrobne informacije o starosti jam in posredno tudi našega krasa. Pri vzorčevanju sedimentov za paleomagnetne analize smo v nekaterih primerih našli fosilne ostanke favne, njihova najdba je zelo pomembna ker, smo tako lahko rezultate paleomagnetnih in magnetostratigrafskih analiz postavili v točno določen čas.
Book Synopsis The Climate in Historical Times by : Hubertus Fischer
Download or read book The Climate in Historical Times written by Hubertus Fischer and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on efforts by geoscientists and climate modellers (KIHZ) to assess natural climate variability during the Holocene. Part 1 is an overview of the climate system and its dynamics. Part 2 describes the efforts of the KIHZ members to reconstruct past climate by using proxy data derived from ice cores, lake sediments, tree rings and corals, statistical analyses and climate models.
Book Synopsis Marine Geology of the Gulf of California by :
Download or read book Marine Geology of the Gulf of California written by and published by . This book was released on 1964 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Global Change in the Holocene by : John Birks
Download or read book Global Change in the Holocene written by John Birks and published by Routledge. This book was released on 2014-02-24 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Holocene spans the 11,500 years since the end of the last Ice Age and has been a period of major global environmental change. However the rate of change has accelerated during the last hundred years, due largely to human impacts and this has led to a growing concern for the future of our environmental resources. Global Change in the Holocene demonstrates how reconstructing the record of past environmental change can provide us with essential knowledge about how our environment works and presents the reader with an informed viewpoint from which to project realistic future scenarios. The book brings together key techniques that are widely used in Holocene research, such as radiocarbon dating, dendrochronology and sediment analysis and offers a comprehensive analysis of various archives of environmental change including instrumental and documentary records, corals, lake sediments, glaciers and ice cores. This reference will be an informative and cutting-edge resource for all researchers in the fields of climate change, environmental science, geography, palaeoecology and archaeology.
Book Synopsis Encyclopedia of Environmental Change by : John A Matthews
Download or read book Encyclopedia of Environmental Change written by John A Matthews and published by SAGE. This book was released on 2013-12-13 with total page 3227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accessibly written by a team of international authors, the Encyclopedia of Environmental Change provides a gateway to the complex facts, concepts, techniques, methodology and philosophy of environmental change. This three-volume set illustrates and examines topics within this dynamic and rapidly changing interdisciplinary field. The encyclopedia includes all of the following aspects of environmental change: Diverse evidence of environmental change, including climate change and changes on land and in the oceans Underlying natural and anthropogenic causes and mechanisms Wide-ranging local, regional and global impacts from the polar regions to the tropics Responses of geo-ecosystems and human-environmental systems in the face of past, present and future environmental change Approaches, methodologies and techniques used for reconstructing, dating, monitoring, modelling, projecting and predicting change Social, economic and political dimensions of environmental issues, environmental conservation and management and environmental policy Over 4,000 entries explore the following key themes and more: Conservation Demographic change Environmental management Environmental policy Environmental security Food security Glaciation Green Revolution Human impact on environment Industrialization Landuse change Military impacts on environment Mining and mining impacts Nuclear energy Pollution Renewable resources Solar energy Sustainability Tourism Trade Water resources Water security Wildlife conservation The comprehensive coverage of terminology includes layers of entries ranging from one-line definitions to short essays, making this an invaluable companion for any student of physical geography, environmental geography or environmental sciences.
Book Synopsis Glacial Sedimentary Processes and Products by : Michael J. Hambrey
Download or read book Glacial Sedimentary Processes and Products written by Michael J. Hambrey and published by John Wiley & Sons. This book was released on 2009-03-05 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Associating ice masses with the transport and deposition ofsediments has long formed a central theme in glaciology and glacialgeomorphology. The reason for this focus is clear, in that icemasses are responsible for much of the physical landscape whichcharacterizes the Earth's glaciated regions. This association alsoholds at a variety of scales, for example, from the grain-sizecharacteristics of small-scale moraines to the structuralarchitecture of large-scale, glacigenic sedimentary sequences inboth surface and subaqueous environments. This volume brings numerous state-of-the-art research contributionstogether, each relating to a different physical setting, spatialscale, process or investigative technique. The result is a diverseand interesting collection of papers by glaciologists, numericalmodellers and glacial geologists, which are all linked by the themeof investigating the relationships between the behaviour of icemasses and their resulting sedimentary sequences.
Author :Pauline Snoeijs-Leijonmalm Publisher :Springer Science & Business Media ISBN 13 :9400706685 Total Pages :683 pages Book Rating :4.4/5 (7 download)
Book Synopsis Biological Oceanography of the Baltic Sea by : Pauline Snoeijs-Leijonmalm
Download or read book Biological Oceanography of the Baltic Sea written by Pauline Snoeijs-Leijonmalm and published by Springer Science & Business Media. This book was released on 2017-04-04 with total page 683 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive science-based textbook on the biology and ecology of the Baltic Sea, one of the world’s largest brackish water bodies. The aim of this book is to provide students and other readers with knowledge about the conditions for life in brackish water, the functioning of the Baltic Sea ecosystem and its environmental problems and management. It highlights biological variation along the unique environmental gradients of the brackish Baltic Sea Area (the Baltic Sea, Belt Sea and Kattegat), especially those in salinity and climate. pt;font-family:"Arial","sans-serif"; color:#262626">The first part of the book presents the challenges for life processes and ecosystem dynamics that result from the Baltic Sea’s highly variable recent geological history and geographical isolation. The second part explains interactions between organisms and their environment, including biogeochemical cycles, patterns of biodiversity, genetic diversity and evolution, biological invasions and physiological adaptations. In the third part, the subsystems of the Baltic Sea ecosystem – the pelagic zone, the sea ice, the deep soft sea beds, the phytobenthic zone, the sandy coasts, and estuaries and coastal lagoons – are treated in detail with respect to the structure and function of communities and habitats and consequences of natural and anthropogenic constraints, such as climate change, discharges of nutrients and hazardous substances. Finally, the fourth part of the book discusses monitoring and ecosystem-based management to deal with contemporary and emerging threats to the ecosystem’s health.
