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Annually Laminated Lake Sediments

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Annually Laminated Lake Sediments

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Author : Wojciech Tylmann
language : en
Publisher: MDPI
Release Date : 2020-04-28

Annually Laminated Lake Sediments written by Wojciech Tylmann and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-28 with Science categories.

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.

Annually Laminated Lake Sediments

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Author : Bernd Zolitschka
language : en
Publisher:
Release Date : 2020

Annually Laminated Lake Sediments written by Bernd Zolitschka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Environmental sciences categories.

The Value Of Annually Laminated Lake Sediments In Palaeoenvironment Reconstruction

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Author : Achim Brauer
language : en
Publisher:
Release Date : 2002

The Value Of Annually Laminated Lake Sediments In Palaeoenvironment Reconstruction written by Achim Brauer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Lake sediments categories.

The Climate In Historical Times

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Author : Hubertus Fischer
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14

The Climate In Historical Times written by Hubertus Fischer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Science categories.

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.

Palaeoclimatology And Palaeoceanography From Laminated Sediments

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Author : Alan E. S. Kemp
language : en
Publisher: Geological Society of London
Release Date : 1996

Palaeoclimatology And Palaeoceanography From Laminated Sediments written by Alan E. S. Kemp and has been published by Geological Society of London this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Nature categories.

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.

Meromictic Lakes And Varved Lake Sediments In North America

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Author : Roger Yates Anderson
language : en
Publisher:
Release Date : 1985

Meromictic Lakes And Varved Lake Sediments In North America written by Roger Yates Anderson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Geology categories.

Lakes in North America that are meromictic or that contain sediments with annual layers are assessed for their potential for reconstruction of ancient climates.

High Resolution Lake Sediment Records In Climate And Environment Variability Studies

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Author :
language : en
Publisher:
Release Date : 2001

High Resolution Lake Sediment Records In Climate And Environment Variability Studies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

The Chemical Investigation Of Recent Lake Sediments From Wisconsin Lakes And Their Interpretation

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Author : Gilbert Carl Bortleson
language : en
Publisher:
Release Date : 1971

The Chemical Investigation Of Recent Lake Sediments From Wisconsin Lakes And Their Interpretation written by Gilbert Carl Bortleson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Eutrophication categories.

To trace the effects of cultural eutrophication, one meter sediment cores were used to determine the history of calcareous and noncalcareous Wisconsin lakes. Cores were analyzed for carbon, phosphorus, calcium, magnesium, potassium, aluminum, iron, and manganese. Determinations of organic nitrogen, exchangeable ammonium and acid soluble phosphorus were made on selected sedimentary profiles. Recent sedimentation rates and identification of pre- and postcultural sediments were determined by ragweed pollen. Enrichment of phosphorus in postcultural Lake Mendota, Wisconsin, sediments are the effect of increased phosphorus supply from domestic sewage. Chemical stratigraphy of concentration-depth diagrams permit a qualitative evaluation of cultural activities. Potentialities and limitations of using recent lake sediments to evaluate eutrophication are discussed.

What Annually Laminated Sediments Reveal About The History Of Environment And Civilization

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Author : Yoshinori Yasuda
language : en
Publisher: Springer
Release Date : 2015-11-05

What Annually Laminated Sediments Reveal About The History Of Environment And Civilization written by Yoshinori Yasuda and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-05 with Science categories.

This monograph presents a proposal for interdisciplinary and international research that uses varve as an essential tool. The discovery and subsequent palaeoenvironmental studies of the annually laminated sediments of Lake Suigetsu (Japan) revealed the directionality of a new discipline in the traditional field of historical science. The historical evidence of environmental changes and natural disasters provided by annually laminated sediments promote an integration of human and natural histories on a common time scale. To explore the impact of climatic changes and natural disasters on civilized society in the present and past, we simply open this door and enter a new phase in world history. The high resolution data about environmental history like climate, sea level, vegetation changes and natural disasters under the most reliable varve chronology will be discussed in relation to the development of human history and the rise and fall of civilizations. The book shows the direction of a new world history and new cosmology of the future civilization in relation to the environmental changes.

Laminated Sediments

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Author : Matti Saarnisto
language : en
Publisher:
Release Date : 1992

Laminated Sediments written by Matti Saarnisto and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Geology, Stratigraphic categories.

Annually Laminated Lake Sediments

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