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Sampling bedrock beneath the ice sheet, GHC will identify if and when the glacier retreated in the past, how it recovered, and how it is currently responding to environmental conditions.

Investigating sediments deposited in the seas near the glacier, Thwaites Offshore Research (THOR) will reconstruct past changes in environmental conditions and the glacier’s response to these, thereby adding context to our projections of future change.

Measuring ocean circulation and thinning beneath the floating part of the glacier using state of the art technology such as AUVs and automated land-ice stations, TARSAN will investigate how the ocean and atmosphere are affecting the glacier.

The International Thwaites Glacier Collaboration (ITGC) community supports the Black Lives Matter movement, recognizing that racism takes lives and breeds hate. We know that racism masquerades in many forms – including more subtle forms that keep Black, Indigenous, and People of Color out of the room and silence their voices, forms that stereotype people because of the color of their skin or deny them jobs because of their name. This is a problem rooted in centuries of injustice.

Hogan, Larter et al. 2020

Hogan, K. A., R. D. Larter, A. G. C. Graham, R. Arthern, J. D. Kirkham, R. Totten Minzoni, T. A. Jordan, R. Clark, V. Fitzgerald, A. K. Wåhlin, J. B. Anderson, C.-D. Hillenbrand, F. O. Nitsche, L. Simkins, J. A. Smith, K. Gohl, J. E. Arndt, J. Hong, and J. Wellner. 2020. Revealing the former bed of Thwaites Glacier using sea-floor bathymetry: implications for warm-water routing and bed controls on ice flow and buttressing.

Michelle Maclennan (she/her) is a PhD student in the Department of Atmospheric and Oceanic Sciences at the University of Colorado Boulder. Her research focuses on ice-atmosphere interactions, in particular the impact of snowfall and extreme precipitation events on the surface mass balance of Thwaites Glacier. Michelle is combining recent observations from automatic weather stations on Thwaites ice shelf with reanalysis datasets to examine the spatial and temporal variability of snowfall and its connection to large-scale atmospheric circulation as part of the TARSAN project.