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| A11: | ENSO and Global Change: The Past, Present, and Future |
| Sponsor: |
Atmospheric Sciences
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| CoSponsor: |
Global Environmental Change Nonlinear Geophysics Ocean Sciences Paleoceanography and Paleclimatology |
| Convener: |
De-Zheng Sun University of Colorado/CIRES & NOAA/Earth System Research Laboratory 325 Broadway USA 303 497 6272 Boulder,, CO, USA 303 497 6272 dezheng.sun@noaa.gov Andrew T. Wittenberg NOAA/Geophysical Fluid Dynamics Laboratory Forrestal Campus, US Route 1 Princeton, NJ, USA 609 987 5064 Andrew.Wittenberg@NOAA.GOV Amy Clement Rosenstiel School of Marine and Atmospheric Science 4600 Rickenbacker Causeway Miami, FL, USA 305 421 4846 aclement@rsmas.miami.edu Fei-Fei Jin Department of Meteorology, University of Hawaii 2525 Correa Rd, HIG 350 Honolulu, HI, USA 808 956 4645 jff@hawaii.edu Axel Timmermann IPRC, University of Hawaii 2525 Correa Road Honolulu, HI, USA 808 956 2720 axel@hawaii.edu Jin-Yi Yu Department of Earth System Science, University of California, Irvine 3315 Croul Hall Irvine, CA, USA 949 824 3878 jyyu@uci.edu |
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1616 1620 3305 4215 4504 .
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| Description: | Historical SST records suggest that for the past three decades, ENSO has been anomalously strong. What has caused this elevation of ENSO activity? Is it a response to anthropogenic forcing? A manifestation of an intrinsic decadal mode of the coupled climate system? A stochastically forced variability? Are there analogues from past climates that shed light on this recent elevation of ENSO activity? How might we quantitatively disentangle natural fluctuations of ENSO from its response to anthropogenic forcing? Could a significant portion of global warming due to anthropogenic forcing take place through an elevation of this natural mode of variability? What are the effects of a persistent elevation in the ENSO activity on the heat uptake of the tropical Pacific? What is the relationship between the zonal SST gradients in the mean state of the tropical Pacific and the level of ENSO activity? Do state-of-the-art climate models reliably predict the response of ENSO to global warming? How can we improve the reliability of these model projections? We invite modelers, theoreticians, and observational experts who have an interest in these questions to gather together, report their findings, and discuss new strategies and possible collaborations. |
Union Sessions by Theme
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1. Carbon in the Earth System
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2. Earth's Polar Regions
U02: The International Polar YearU23: Observing, Understanding, Predicting and Responding to Pan-Arctic Ice Retreat Problems
3. Climate & the Environment
U06: Geoengineering to Counteract Global Warming?U10: Tropical Cyclone—Climate Interactions Past, Present, and FutureU11: Comparative Climate Studies of Earth, Venus and MarsU12: Consequences of Peak Oil for Climate ChangeU14: Environmental Consequences of the Changing Global Food SystemU24: Perspectives on the Past and Future of Paleoceanography and Paleclimatology
4. Earth's Dynamic Interior
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5. New Frontiers
U03: MESSENGER at Mercury: The Second FlybyU05: Episodic Tremor and Slip: Insights into a Newly Discovered ProcessU08: The Library — Data Center Alliance in Earth and Space SciencesU13: The Phoenix MissionU16: The Van Allen Radiation Belts and Their Impact on Modern Space Science
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