Reconstructing Quaternary Environments

Höfundur J.J. Lowe; M.J.C. Walker

Útgefandi Taylor & Francis

Snið ePub

Print ISBN 9781138173927

Útgáfa 2

Útgáfuár 1997

13.790 kr.

Description

Efnisyfirlit

  • Cover Page
  • Half Title Page
  • Dedication
  • Title Page
  • Copyright Page
  • Contents
  • Preface to the first edition
  • Preface to the second edition
  • Acknowledgements
  • 1 The Quaternary record
  • 1.1 Introduction
  • 1.2 The character of the Quaternary
  • 1.3 The duration of the Quaternary
  • 1.4 The development of Quaternary studies
  • 1.4.1 Historical developments
  • 1.4.2 Recent developments
  • 1.5 The framework of the Quaternary
  • 1.6 The causes of climatic change
  • 1.7 The scope of this book
  • Notes
  • 2 Geomorphological evidence
  • 2.1 Introduction
  • 2.2 Methods
  • 2.2.1 Field methods
  • 2.2.2 Remote sensing
  • 2.3 Glacial landforms
  • 2.3.1 Extent of ice cover
  • 2.3.2 Geomorphological evidence and the extent of ice sheets and glaciers during the last cold stage
  • 2.3.3 Direction of ice movement
  • 2.3.4 Reconstruction of former ice masses
  • 2.3.5 Palaeotemperature estimates from glacial geomorphological evidence
  • 2.4 Periglacial landforms
  • 2.4.1 Palaeoclimatic inferences based on periglacial landforms
  • 2.5 Sea-level change
  • 2.5.1 Relative and ‘absolute’ sea-level changes
  • 2.5.2 Eustatic changes in sea level
  • 2.5.3 Tectonic influences
  • 2.5.4 Shoreline sequences in areas affected by glacio-isostasy
  • 2.5.5 Palaeoenvironmental significance of sea-level changes
  • 2.6 River terraces
  • 2.6.1 Origins of river terraces
  • 2.6.2 River terraces and palaeoenvironments
  • 2.6.3 The terraces of the River Thames
  • 2.7 Quaternary landforms in low latitudest
  • 2.7.1 Pluvial lakes
  • 2.7.2 Dunefields
  • 2.7.3 Fluvial landforms
  • 2.7.4 Weathering crusts
  • 2.8 Conclusions
  • Notes
  • 3 Lithological evidence
  • 3.1 Introduction
  • 3.2 Field and laboratory methods
  • 3.2.1 Sediment sections
  • 3.2.2 Coring
  • 3.2.3 Laboratory methods
  • 3.3 Glacial sediments
  • 3.3.1 Introduction
  • 3.3.2 The nature of glacial sediments
  • 3.3.3 The classification of tills
  • 3.3.4 The influence of the thermal régime of glacier ice
  • 3.3.5 Analysis of glacigenic sequences
  • 3.3.6 Ice-directional indicators
  • 3.4 Periglacial sediments
  • 3.4.1 Introduction
  • 3.4.2 Structures associated with permafrost
  • 3.4.3 Palaeoclimatic significance of periglacial structures
  • 3.5 Palaeosols
  • 3.5.1 Introduction
  • 3.5.2 The nature of palaeosols
  • 3.5.3 Analysis of palaeosols
  • 3.5.4 Palaeosols and Quaternary environments
  • 3.6 Lake level records from low latitude regions
  • 3.6.1 Introduction
  • 3.6.2 ‘Pluvial’ lake sediment sequences
  • 3.6.3 Lake level changes and Quaternary palaeoclimates
  • 3.7 Wind-blown sediments
  • 3.7.1 Introduction
  • 3.7.2 Loess stratigraphy
  • 3.7.3 Mid-latitude sand belts (coversands)
  • 3.7.4 Low latitude ‘sand seas’
  • 3.7.5 Wind-blown sediments and palaeoenvironmental reconstructions
  • 3.8 Cave sediments and carbonate deposits
  • 3.8.1 Introduction
  • 3.8.2 Detrital sediment in caves
  • 3.8.3 Speleothem
  • 3.8.4 Speleothem growth and environmental reconstruction
  • 3.8.5 Oxygen isotope ratios in cave speleothem
  • 3.8.6 Other carbonate deposits
  • 3.9 Lake, mire and bog sediments
  • 3.9.1 Introduction
  • 3.9.2 The nature of lake and bog sediments
  • 3.9.3 Palaeoenvironmental evidence from lake sediments
  • 3.9.4 Palaeoenvironmental evidence from mire and bog sediments
  • 3.10 Stable oxygen isotope stratigraphy of deep-sea sediments
  • 3.10.1 Introduction
  • 3.10.2 Oxygen isotope ratios and the ocean sediment record
  • 3.10.3 Environmental influences on 180/160 ratios in marine sediments
  • 3.10.4 Limitattons in oxygen isotope analysis
  • 3.10.5 Carbon isotopes in marine sediments
  • 3.11 Ice-core stratigraphy
  • 3.11.1 Introduction
  • 3.11.2 Ice masses as palaeoenvironmental archives
  • 3.11.3 Analysis of ice cores
  • 3.11.4 Palaeoenvironmental significance of ice-core data
  • 3.12 Conclusions
  • Notes
  • 4 Biological evidence
  • 4.1 Introduction
  • 4.1.1 The nature of the Quaternary fossil record
  • 4.1.2 The taphonomy of Quaternary fossil assemblages
  • 4.1.3 The interpretation of Quaternary fossil assemblages
  • 4.2 Pollen analysis
  • 4.2.1 Introduction
  • 4.2.2 The nature of pollen and spores
  • 4.2.3 Field and laboratory work
  • 4.2.4 Pollen diagrams
  • 4.2.5 The interpretation of pollen diagrams
  • 4.2.6 Applications of pollen stratigraphy
  • 4.3 Diatom analysis
  • 4.3.1 Introduction
  • 4.3.2 The nature and ecology of diatoms
  • 4.3.3 Field and laboratory methods
  • 4.3.4 The interpretation of Quaternary diatom records
  • 4.3.5 Applications of diatom analysis
  • 4.4 Plant macrofossil analysis
  • 4.4.1 Introduction
  • 4.4.2 The nature of plant macrofossils
  • 4.4.3 Field and laboratory work
  • 4.4.4 Data presentation
  • 4.4.5 The interpretation of plant macrofossil data
  • 4.4.6 Applications of plant macrofossil studies
  • 4.5 Fossil insect remains
  • 4.5.1 Introduction
  • 4.5.2 Coleoptera
  • 4.5.3 Laboratory methods
  • 4.5.4 Coleopteran analysis and Quaternary environments
  • 4.6 Chironomidae
  • 4.7 Non-marine Mollusca
  • 4.7.1 Introduction
  • 4.7.2 The nature and distribution of molluscs
  • 4.7.3 Field and laboratory work
  • 4.7.4 Taphonomy of non-marine molluscan assemblages
  • 4.7.5 Habitat preferences of non-marine Mollusca
  • 4.7.6 Non-marine Mollusca and palaeoclimate reconstructions
  • 4.8 Marine Mollusca
  • 4.8.1 Introduction
  • 4.8.2 Analysis of marine molluscan assemblages
  • 4.8.3 Marine Mollusca and palaeoclimatic inferences
  • 4.9 Ostracod analysis
  • 4.9.1 The nature and distribution of ostracods
  • 4.9.2 Collection and identification
  • 4.9.3 Ostracoda in Quaternary studies
  • 4.10 Foraminiferal analysis
  • 4.10.1 The nature and distribution of Foraminifera
  • 4.10.2 Collection and identification
  • 4.10.3 Foraminifera in Quaternary inshore and shelf sediments
  • 4.11 Micropalaeontology of deep-sea sediments
  • 4.11.1 Introduction
  • 4.11.2 Radiolaria
  • 4.11.3 Coccolithophores
  • 4.11.4 Marine microfossils in ocean sediments
  • 4.11.5 Laboratory separation of marine microfossils
  • 4.11.6 Marine palaeoclimatology
  • 4.11.7 Marine palaeoproductivity and palaeocirculation
  • 4.12 Vertebrate Remains
  • 4.12.1 Introduction
  • 4.12.2 The structure of teeth and bones
  • 4.12.3 Fossilisation of bone material
  • 4.12.4 Field and laboratory techniques
  • 4.12.5 The taphonomy of fossil vertebrate assemblages
  • 4.12.6 Vertebrate fossils and Quaternary environments
  • 4.13 Other Fossil Groups
  • 4.13.1 Chrysophytes
  • 4.13.2 Cladocera
  • 4.13.3 Coral polyps
  • 4.13.4 Fungal remains
  • 4.13.5 ‘Rhizopods’ or testate amoebae
  • 4.14 Multi-proxy palaeoecological studies
  • 4.15 Quaternary palaeobiology and ecological theory
  • 4.15.1 Biomass and global climate change
  • 4.15.2 Migration of biota and community structures
  • 4.15.3 Extinctions
  • 4.15.4 Conservation, biodiversity and habitat destruction
  • 4.16 Conclusions
  • Notes
  • 5 Dating methods
  • 5.1 Introduction
  • 5.2 Precision and accuracy in Quaternary dating
  • 5.3 Radiometric dating techniques
  • 5.3.1 The nucleus and radioactivity
  • 5.3.2 Radiocarbon dating
  • 5.3.3 Potassium-argon and argon-argon dating
  • 5.3.4 Uranium-series dating
  • 5.3.5 Fission track dating
  • 5.3.6 Luminescence dating
  • 5.3.7 Electron spin resonance (ESR) dating
  • 5.3.8 Other radiometric methods
  • 5.4 Incremental dating methods
  • 5.4.1 Dendrochronology
  • 5.4.2 Varve chronology
  • 5.4.3 Lichenometry
  • 5.4.4 Annual layers in glacier ice
  • 5.5 Age-equivalent stratigraphie markers
  • 5.5.1 Palaeomagnetism
  • 5.5.2 Tephrochronology
  • 5.5.3 Oxygen isotope chronology
  • 5.6 Relative chronology based on processes of chemical alteration
  • 5.6.1 Amino-acid geochronology
  • 5.6.2 Fluorine, uranium and nitrogen content of fossil bones
  • 5.6.3 Obsidian hydration
  • 5.6.4 Weathering characteristics of rock surfaces
  • 5.6.5 Pedogenesis
  • 5.7 Conclusions
  • Notes
  • 6 Approaches to Quaternary stratigraphy and correlation
  • 6.1 Introduction
  • 6.2 Stratigraphic subdivision
  • 6.2.1 Principles of Quaternary stratigraphy
  • 6.2.2 Stratotypes
  • 6.2.3 Elements of Quaternary stratigraphy
  • 6.3 Time-stratigraphic correlation
  • 6.3.1 Principles of Quaternary correlation
  • 6.3.2 Elements of time-stratigraphic correlation
  • 6.3.3 Correlation between continental, marine and ice-core records
  • 6.4 Conclusions
  • Note
  • 7 The last interglacial-glacial cycle: 130–10 ka BP
  • 7.1 Introduction
  • 7.2 The stratigraphic framework for the last 130 ka
  • 7.3 The last interglacial (01 substage 5e)
  • 7.3.1 Defining the last interglacial
  • 7.3.2 Proxy records from the last interglacial
  • 7.3.3 Dating the last interglacial
  • 7.4 The transition to the last cold stage (OI substages 5d to 5a)
  • 7.4.1 The OI substage 5e/5d transition
  • 7.4.2 OI substages 5c to 5a
  • 7.4.3 The OI stage 5/4 transition
  • 7.4.4 Short-lived ‘events’ during the last interglacial-glacial transition
  • 7.5 The last cold stage (01 stages 4 to 2)
  • 7.5.1 Events during the last cold stage: the marine record
  • 7.5.2 Events during the last cold stage: the terrestrial record
  • 7.5.3 Events during the last cold stage: the ice-sheet record
  • 7.5.4 Events during the last cold stage: the ice-core record
  • 7.5.5 Correlation between ice-core, marine, terrestrial and glacial records from the last cold stage
  • 7.6 The last glacial-interglacial transition (Ol stage 2/1)
  • 7.6.1 Stratigraphic nomenclature
  • 7.6.2 Events during the last glacial-interglacial transition: the terrestrial record
  • 7.6.3 Environmental changes during the last glacial-interglacial transition: the marine record
  • 7.6.4 Ice-core records of environmental changes during the last glacial-interglacial transition
  • 7.6.5 Correlation between terrestrial, marine and ice-core records of the last glacial-interglacial transition
  • 7.7 Atmospheric circulation: global circulation models
  • 7.7.1 Global circulation models (GCMs)
  • 7.7.2 Setting the boundary conditions for GCMs
  • 7.7.3 Running GCM experiments
  • 7.7.4 Limitations of GCMs
  • 7.7.5 The importance of GCMs
  • 7.8 The search for causes
  • 7.8.1 The Astronomical Theory of climatic change
  • 7.8.2 Palaeoceanography and climatic change
  • 7.8.3 Ice-sheet/glacier fluctuations and climatic change
  • 7.8.4 Variation in atmospheric gas content and climatic change
  • 7.8.5 Volcanic activity and climatic change
  • 7.8.6 Variations in solar output and climatic change
  • 7.8.7 Geodynamic factors
  • 7.8.8 Conceptual models of Late Quaternary climatic change
  • 7.9 Concluding remarks
  • Notes
  • Bibliography
  • Index

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