04070nam 2200697Ia 450 99621395610331620200520144314.01-118-66647-X1-118-67158-91-118-67262-3(CKB)2550000001094883(EBL)1207776(OCoLC)850080201(SSID)ssj0000726560(PQKBManifestationID)11377988(PQKBTitleCode)TC0000726560(PQKBWorkID)10674352(PQKB)11376240(MiAaPQ)EBC1207776(Au-PeEL)EBL1207776(CaPaEBR)ebr10726730(CaONFJC)MIL501793(PPN)176518320(EXLCZ)99255000000109488320081021d2008 uy 0engur|n|---|||||txtccrArctic sea ice decline[electronic resource] observations, projections, mechanisms, and implications /Eric T. DeWeaver, Cecilia M. Bitz, L.-Bruno Tremblay, editorsWashington, DC American Geophysical Unionc20081 online resource (279 p.)Geophysical monograph,0065-8448 ;180Description based upon print version of record.0-87590-445-9 1-299-70542-1 Includes bibliographical references and index.Title Page; Contents; Preface; Arctic Sea Ice Decline: Introduction; Section I: Arctic Sea Ice in the Instrumented and Paleo-Proxy Records; Recent Trends in Arctic Sea Ice and the Evolving Role of Atmospheric Circulation Forcing, 1979-2007; Reconstructing Sea Ice Conditions in the Arctic and Sub-Arctic Prior to Human Observations; Section II: Factors in Sea Ice Sensitivity; Arctic Cloud Properties and Radiative Forcing From Observations and Their Role in Sea Ice Decline Predicted by the NCAR CCSM3 Model During the 21st Century; Some Aspects of Uncertainty in Predicting Sea Ice ThinningSensitivity of Arctic Sea Ice Thickness to Intermodel Variations in the Surface Energy BudgetThe Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies; Section III: Rapid Loss Versus Abrupt Transition; Sea Ice-Albedo Feedback and Nonlinear Arctic Climate Change; The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss; Multiple Equilibria and Abrupt Transitions in Arctic Summer Sea Ice Extent; What Is the Trajectory of Arctic Sea Ice?; Analysis of Arctic Sea Ice Anomalies in a Coupled Model Control SimulationSection IV: The Threat to Polar Bears From Sea Ice DeclineA Bayesian Network Modeling Approach to Forecasting the 21st Century Worldwide Status of Polar Bears; IndexPublished by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 180.This volume addresses the rapid decline of Arctic sea ice, placing recent sea ice decline in the context of past observations, climate model simulations and projections, and simple models of the climate sensitivity of sea ice. Highlights of the work presented here includeAn appraisal of the role played by wind forcing in driving the decline;A reconstruction of Arctic sea ice conditions prior to human observations, based on proxy data from sediments;A modelinGeophysical Monograph SeriesClimatic changesEnvironmental aspectsArctic regionsEnvironmental impact analysisArctic regionsSea iceArctic regionsArctic regionsClimateClimatic changesEnvironmental aspectsEnvironmental impact analysisSea ice551.34/3091632Bitz Cecilia M935032DeWeaver Eric T.1964-935033Tremblay L.-Bruno935034MiAaPQMiAaPQMiAaPQBOOK996213956103316Arctic sea ice decline2105688UNISA