Sciences and Exploration Directorate

Patrick M Alexander



Org Code: 611

Mail Code: 611
New York, NY 10025


Brief Bio

I am a cryospheric scientist and modeler focused on interactions between ice and climate. I incorporate remote sensing and in situ measurements with global climate models (e.g. NASA GISS GCM) and regional climate models (e.g. MAR RCM) and ice dynamics models (e.g. ISSM) to study ice-climate interactions, particularly interactions between climate and polar ice sheets, with the goal of understanding the future impact of climate change on sea level rise.


Associate Research Scientist

Columbia University - Lamont Doherty Earth Observatory

June 2020 - Present

Postdoctoral Research Scientist

Columbia University - Lamont-Doherty Earth Observatory

June 2017 - June 2020

Postdoctoral Fellow

NASA - Goddard Institute for Space Studies

June 2015 - June 2017

Research Assistant

City College of New York - City College of New York

September 2010 - June 2015

Adjunct Lecturer

City College of New York - City College of New York

September 2010 - June 2015

Research Assistant

Columbia University - Columbia University

June 2009 - June 2010



Goelzer, H., S. Nowicki, A. Payne, et al. E. Larour, H. Seroussi, W. H. Lipscomb, J. Gregory, A. Abe-Ouchi, A. Shepherd, E. Simon, C. Agosta, P. Alexander, A. Aschwanden, A. Barthel, R. Calov, C. Chambers, Y. Choi, J. Cuzzone, C. Dumas, T. Edwards, D. Felikson, X. Fettweis, N. R. Golledge, R. Greve, A. Humbert, P. Huybrechts, S. Le clec'h, V. Lee, G. Leguy, C. Little, D. P. Lowry, M. Morlighem, I. Nias, A. Quiquet, M. Rückamp, N.-J. Schlegel, D. Slater, R. Smith, F. Straneo, L. Tarasov, R. van de Wal, and M. van den Broeke. 2020. The future sea-level contribution of the Greenland ice sheet: a multi-model ensemble study of ISMIP6 The Cryosphere [10.5194/tc-14-3071-2020]

Nowicki, S., A. J. Payne, H. Goelzer, et al. H. Seroussi, W. H. Lipscomb, A. Abe-Ouchi, C. Agosta, P. Alexander, X. S. Asay-Davis, A. Barthel, T. J. Bracegirdle, R. Cullather, D. Felikson, X. Fettweis, J. Gregory, T. Hatterman, N. C. Jourdain, P. Kuipers Munneke, E. Larour, C. M. Little, M. Morlinghem, I. Nias, A. Shepherd, E. Simon, D. Slater, R. Smith, F. Straneo, L. D. Trusel, M. R. van den Broeke, and R. van de Wal. 2020. Experimental protocol for sealevel projections from ISMIP6 stand-alone ice sheet models The Cryosphere 13 2331–2368 [10.5194/tc-14-2331-2020]

Nusbaumer, J., P. M. Alexander, A. N. LeGrande, and M. Tedesco. 2019. Spatial Shift of Greenland Moisture Sources Related to Enhanced Arctic Warming Geophysical Research Letters 2019GL084633 [10.1029/2019gl084633]

Alexander, P. M., A. N. LeGrande, E. Fischer, et al. M. Tedesco, X. Fettweis, M. Kelley, S. M. Nowicki, and G. A. Schmidt. 2019. Simulated Greenland Surface Mass Balance in the GISS ModelE2 GCM: Role of the Ice Sheet Surface Journal of Geophysical Research: Earth Surface 124 (3): 750-765 [10.1029/2018jf004772]

Koenig, L. S., A. Ivanoff, P. M. Alexander, et al. J. A. MacGregor, X. Fettweis, B. Panzer, J. D. Paden, R. R. Forster, I. Das, J. McConnell, M. Tedesco, C. Leuschen, and P. Gogineni. 2016. Annual Greenland accumulation rates (2009–2012) from airborne Snow Radar The Cryosphere 10 1739–1752 [10.5194/tcd-9-6697-2015]

Alexander, P. M., M. Tedesco, N.-J. Schlegel, et al. S. Luthcke, X. Fettweis, and E. Larour. 2016. Greenland Ice Sheet seasonal and spatial mass variability from model simulations and GRACE (2003-2012) The Cryosphere 10 1259-1277 [10.5194/tc-10-1259-2016]

Tedesco, M., S. Doherty, X. Fettweis, et al. P. Alexander, J. Jeyaratnam, and J. Stroeve. 2016. The darkening of the Greenland ice sheet: trends, drivers, and projections (1981–2100) The Cryosphere 10 (2): 477-496 [10.5194/tc-10-477-2016]