Primary Convener:
Feng He, University of Wisconsin Madison

Convener:
Kelly Kilbourne, University of Maryland (UMCES CBL)
Maureen Walczak, University of Washington
Madeleine Youngs, University of Maryland College Park

Chair:
Maureen Walczak, University of Washington
Feng He, University of Wisconsin-Madison
Kelly Kilbourne, University of Maryland (UMCES CBL)
Madeleine Youngs, University of Maryland College Park

The Global Meridional Overturning Circulation is a major driver of Earth's climate, connecting the Atlantic, Pacific and Southern Oceans and influencing biogeochemical cycling on many timescales. Modern oceanographic observations and modeling studies are making great advances in understanding GMOC dynamics and predictability over seasonal to decadal periods. Meanwhile, paleoclimate observations and modeling studies have highlighted connections between the climate and variations in the structure and magnitude of GMOC over multi-decadal to tectonic timescales. Much remains to be understood about the interplay between GMOC changes and the cryosphere, atmosphere, and ocean biogeochemistry, as well as mechanisms driving past, present, future GMOC variations. Modern and Paleo approaches are complementary and bring new insights into GMOC dynamics and predictability under future climate conditions. This session welcomes theoretical, modeling, and observation-based studies that investigate the nature, stability and sensitivity of the GMOC to external forcing and internal feedbacks across seasonal-to-tectonic timescales.

Index Terms
0724 Ice cores
4805 Biogeochemical cycles, processes, and modeling
4901 Abrupt|rapid climate change
4962 Thermohaline

Suggested Itineraries:
Disasters‚ Calamities and Extreme Events
National Climate Assessment
Climate Change and Global Policy
Global Impacts‚ Solutions‚ & Policies

Cross-Listed:
PP - Paleoceanography and Paleoclimatology
C - Cryosphere
A - Atmospheric Sciences
GC - Global Environmental Change

Co-Organized Sessions:
Global Environmental Change
Paleoceanography and Paleoclimatology
Atmospheric Sciences
Cryosphere

Neighborhoods:
3. Earth Covering