2017

Holland, M.M. and L. Landrum, Factors influencing regional changes in Antarctic sea ice, Los Alamos National Lab Frontiers in Geoscience Colloquia, Los Alamos, NM, May 15, 2017.

Holland, M.M. and L. Landrum, Towards understanding regional variability and trends in Antarctic sea ice, National Snow and Ice Data Seminar, Boulder, CO, April 26, 2017.

Holland, M.M. and L. Landrum,  Factors influencing regional changes in Antarctic sea ice, NCAR Southern Ocean Workshop, Boulder, CO April 10, 2017.

Holland, M.M., L. Landrum, M. Raphael, S. Stammerjohn, Factors influencing sea ice variability and trends in the Western Ross Sea, International Glaciological Symposium, Wellington, NZ Feb 16, 2017.

Seviour, W. J. M., A. Gnanadesikan, D. W. Waugh, and M.-A. Pradal. The transient response of the Southern Ocean to stratospheric ozone depletion, AMS AOFD meeting, Portland, OR, 2017.

Waugh, D.W., Contrasting Upper and Lower Atmospheric Metrics of Tropical Expansion in the Southern Hemisphere, ISSI Tropical Width Diagnostics meeting, Bern, March 2017.

K. D. Stewart and T. W. N. Haine and A. McC. Hogg and F. Roquet, On Cabbeling and Thermobaricity in the Surface Mixed Layer, EGU General Assembly 2017.

T. Martin and T. W. N. Haine, Does the Arctic Amplification peak this decade? EGU General Assembly 2017.

Calvo, N., R. R. Garcia, and D. E. Kinnison, 2017: Revisiting Southern Hemisphere polar stratospheric temperature trends in WACCM: The role of dynamical forcing, Chemistry Climate Initiative Meeting, Toulouse France, 13 June, 2017.

L Landrum, M Holland, LM Polvani: Antarctic Sea Ice Response to Late 20th Century Ozone Changes: a Modeling Perspective on Regional and Seasonal Trends and Variability. AGU in San Francisco, December 2017.

P Lin, D Paynter, LM Polvani, G Correa, Y Ming and V Ramaswamy: Circulation response to ozone depletion depends on the zonal wind Climatology. AGU in San Francisco, December 2017.

A Solomon, LM Polvani, DW Waugh and S Davis: Contrasting upper and lower atmospheric metrics of tropical expansion. AGU in San Francisco, December 2017.

G. Chiodo and LM Polvani: Robust impact of coupled stratospheric ozone chemistry on the response of the Austral circulation to increased greenhouse gases. AGU in San Francisco, December 2017.

Doddridge, E., “Impact of SAM on the seasonal cycle of sea ice extent around Antarctica”, Southern Ocean Workshop, 10-13 April 2017, NCAR, Boulder, Colorado.

Doddridge, E., webinar to virtual meeting of Frontiers in Earth System Dynamics: Ozone and Climate Project, 19 May 2017.

 

2016

Seviour, W. J. M., A. Gnanadesikan, D. W. Waugh, and M.-A. Pradal. A Two-Time Scale Response of the Southern Ocean to Ozone Depletion: Regional Responses and Physical Mechanisms, AGU Fall Meeting, San Francisco, CA, 2016.

T. W. N. Haine and T. Martin, The Arctic-Subarctic sea ice system is entering the seasonal regime , 5th FAMOS Meeting, Woods Hole Oceanographic Institution, Woods Hole, MA,2016.

K. Stewart and T. W. N. Haine, Thermobaricity in the transition zones between alpha and beta oceans, CLIVAROpen Science Conference, Qingdao, China, 2016.

Seviour, W. J. M., A. Gnanadesikan, and D. W. Waugh. The transient response of the Southern Ocean to stratospheric ozone depletion, Quadrennial Ozone Symposium, Edinburgh, UK. 2016.

Seviour, W. J. M., D. W. Waugh, L. M. Polvani, G. J. P. Correa, and C. I. Garfinkel. Robustness of the simulated tropospheric response to ozone depletion, Quadrennial Ozone Symposium, Edinburgh, UK. 2016.

Thomas, J.L, Ocean carbon and heat variability in an earth system model, 2016 AGU Fall Meeting, San Francisco, CA, December 12-16 2016.

Waugh, D.W., Contrasting Upper and Lower Atmospheric Metrics of Tropical Expansion in the Southern Hemisphere, US CLIVAR working group meeting, October 2016.

Holland, M.M. and L. Landrum, Influence of winds on Ross Sea ice cover: Seasonal lags and explained trends, AGU Fall Meeting, San Francisco, CA, Dec 2016.

Holland, M.M., Investigating Antarctic sea ice variability using experiments with a hierarchy of ocean models, WCRP Model Hierarchy Workshop, Princeton, NJ, November 2016.

Landrum, L., M.M. Holland, L. Polvani, and M. Raphael, Antarctic Sea Ice Response to Late 20th Century Ozone Changes: a Modeling Perspective on Regional and Seasonal Trends and Variability, AGU Fall Meeting, San Francisco, CA, Dec 2016.

Pradal, M-A. S, A. Gnanadesikan, J.L Thomas, How ocean lateral mixing changes Southern Ocean variability in coupled climate models 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Pradal, M-A. S, A. Gnanadesikan, RP Abernathey, Impact of space dependent eddy mixing on large ocean circulation, 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Ragan S., A. Gnanadesikan , Impact Of Parameterized Lateral Mixing On The Circulation Of The Southern Ocean , 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Russell, A., S, A. Gnanadesikan, Pradal, M-A. RP Abernathey Impact of Lateral Mixing in the Ocean on El Nino in Fully Coupled Climate Models, 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Seviour, W., D.W. Waugh, A. Gnanadesikan, A Two-Timescale Response of the Southern Ocean to Ozone Depletion: Importance of the Background State, 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Thomas, J.L, Ocean carbon and heat uptake in response to an ozone perturbation, 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Waugh, D.W., Variability in ocean ventilation from three decades of transient tracer measurements, 2106 Ocean Sciences, New Orleans, 21-26 February 2016.

Stewart, K. D, T.W.N Haine,  Thermobaricity in the Transition Zones between Alpha and Beta Oceans, Workshop on: Response of Global Climate to the Antarctic Ozone Hole, MIT, MA, 2016.

Stewart, K. D.  and T. W. N. Haine, Mode and Intermediate Water Formation Processes Captured by the ARGO Array, 2016 Ocean Sciences Meeting, New Orleans, LA, 2016

Stewart, K.D., and T. W. N. Haine, Thermobaricity in the Transition Zones between Alpha and Beta Oceans, 13th Arctic-Subarctic Ocean Fluxes (ASOF) Meeting, Lerici, Italy, 2016.

Kinnison, D., S. Solomon, D. J. Ivy, M. J. Mills, R. R. Neely III, A. Schmidt, Polar ozone depletion and trends as represented by the Whole Atmospheric Community Climate Model (WACCM), EGU2016-9101, European Geosciences Union General Assembly 2016, Vienna Austria, 17-22 April 2016.

Marshall, J., AMS meeting, New Orleans, 2016. Bernhard Haurwitz Memorial Lecture.

David Ferreira, Marika Holland, Lorenzo Polvani and Susan Solomon participated in a National Academy workshop entitled Antarctic Sea Ice Variability in the Southern Climate-Ocean System, January 11 – 12, 2016, Boulder, CO.

 

2015

Kostov, Y., J. Marshall and U. Hausmann: Southern Ocean Cooling in a Warming World: Reassessing the Role of Westerly Winds. AGU Fall Meeting 2015, San Francisco.

Marshall, J., Ute Hausmann and David Ferreira. AGU, 2015 Observational constraints on the response function of Southern Ocean SST to SAM forcing.

Marshall, J.: The Ocean’s Role in Polar Climate Change: Asymmetric Arctic and Antarctic Responses to Greenhouse Gas and Ozone Forcing. Frontiers in Decadal Climate Variability Workshop, NAS Meeting, September 3-4, 2015, Woods Hole, MA.

Seviour, W., D.W. Waugh, A. Gnanadesikan, A Two-Timescale Response of the Southern Ocean to Ozone Depletion: Importance of the Background State , AGU Fall 2015 meeting, San Francisco, 14-18 December 2015

Thomas, J. L., D. Waugh, A., Gnanadesikan and M.A. Pradal: Quantifying Surface And Subsurface Natural Variability In The Southern Ocean. Ocean Sciences Meeting 2014, Honolulu. (published) 

Tweedy, O., D.W. Waugh, L. Oman, F. Li: Impact of Antarctic Ozone Asymmetries on Tropospheric Climate. The Latsis Symposium, Atmospheric and Climate Dynamics, 18-21 June 2014, Zurich.

Armour, K.C., J. Marshall, A. Donohoe and J. Scott: Mechanisms of Delayed Southern Ocean Warming. AGU Fall Meeting 2013, San Francisco.

Armour, K.C., J. Marshall, A. Donohoe and J. Scott: Mechanisms of Delayed Southern Ocean Warming. Ocean Sciences Meeting 2013, Honolulu.