Abrupt Climate Change Mechanisms, Patterns, and Impacts

About this book

Abrupt Climate Change: Mechanisms, Patterns, and Impacts brings together a diverse group of paleoproxy records such as ice cores, marine sediments, terrestrial (lakes and speleothems) archives, and coupled ocean-atmosphere climate models to document recent advances in understanding the mechanisms of abrupt climate changes. Since the discovery of the Dansgaard–Oeschger events in Greenland ice cores and the subsequent discovery of their contemporary events in the marine sediments of the North Atlantic, the search for these abrupt, millennial-scale events across the globe has intensified, and as a result, the number of paleoclimatic records chronicling such events has increased. Abrupt Climate Change highlights include discussions of records of past climate variability, meridional overturning circulation, land-ocean-atmosphere interactions, feedbacks in the climate system, and global temperature anomalies. Abrupt Climate Change will be of interest to students, researchers, academics, and policy makers who are concerned about abrupt climate change and its potential impact on society.

Contents

Preface
      Harunur Rashid, Leonid Polyak, and Ellen Mosley-Thompson vii
Abrupt Climate Change Revisited
      Harunur Rashid, Leonid Polyak, and Ellen Mosley-Thompson 1
A Review of Abrupt Climate Change Events in the Northeast Atlantic Ocean (Iberian Margin): Latitudinal, Longitudinal, and Vertical Gradients
      Antje H. L. Voelker and Lucia de Abreu 15
Laurentide Ice Sheet Meltwater and the Atlantic Meridional Overturning Circulation During the Last Glacial Cycle: A View From the Gulf of Mexico
      B. P. Flower, C. Williams, H. W. Hill, and D. W. Hastings 39
Modeling Abrupt Climate Change as the Interaction Between Sea Ice Extent and Mean Ocean Temperature Under Orbital Insolation Forcing
      J. A. Rial and R. Saha 57
Simulated Two-Stage Recovery of Atlantic Meridional Overturning Circulation During the Last Deglaciation
      Jun Cheng, Zhengyu Liu, Feng He, Bette L. Otto-Bliesner, Esther C. Brady, and Mark Wehrenberg 75
The Role of Hudson Strait Outlet in Younger Dryas Sedimentation in the Labrador Sea
      Harunur Rashid, David J. W. Piper, and Benjamin P. Flower 93
Challenges in the Use of Cosmogenic Exposure Dating of Moraine Boulders to Trace the Geographic Extents of Abrupt Climate Changes: The Younger Dryas Example
      Patrick J. Applegate and Richard B. Alley 111
Hypothesized Link Between Glacial/Interglacial Atmospheric CO₂ Cycles and Storage/Release of CO₂-Rich Fluids From Deep-Sea Sediments
      Lowell Stott and Axel Timmermann 123
The Impact of the Final Lake Agassiz Flood Recorded in Northeast Newfoundland and Northern Scotian Shelves Based on Century-Scale Palynological Data
      Elisabeth Levac, C. F. M. Lewis, and A. A. L. Miller 139
The 1500 Year Quasiperiodicity During the Holocene
      A. Ruzmaikin and J. Feynman 161
Abrupt Climate Changes During the Holocene Across North America From Pollen and Paleolimnological Records
      Konrad Gajewski and Andre E. Viau 173
Abrupt Holocene Climatic Change in Northwestern India: Disappearance of the Sarasvati River and the End of Vedic Civilization
      B. S. Paliwal 185
Evidence for Climate Teleconnections Between Greenland and the Sierra Nevada of California During the Holocene, Including the 8200 and 5200 Climate Events
      Stephen F. Wathen 195
Abrupt Climate Change: A Paleoclimate Perspective From the World’s Highest Mountains
      Lonnie G. Thompson 215

AGU Category
Index 235
Index 237

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