Published July 5, 2024 | Version v1

Cuzzone2024: Ice sheet model simulations reveal polythermal ice conditions existed across the NE USA during the Last Glacial Maximum

  • 1. ROR icon University of California, Los Angeles

Description

Here you will find model output associated with Cuzzone et al. (2024) for simulations conducted to reconstruct the Last Glacial Maximum conditions across the Northeast United States.   Model output is available as:  1) Simulated Ensemble Mean LGM Ice Thickness, 2.) Simulated Ensemble Mean LGM Velocity 3.) Simulated Ensemble Mean LGM Velocity in X and Y direction, and 4.) The simulated LGM thermal state, shown as the Model ensemble agreement for warm and cold-based ice.

These outputs are given for 3 model domains: 1) The Northeast USA (NE Domain), 2) The Adirondack Mountains (ADK), 3) The White Mountains (White), and 4) Mount Katahdin (Kat).

Model output is given in .tif format, and the Map Projection is ESPG: 4326 , WGS 84

Units for model output is:

1) Ice Thickness: meters

2) Velocity (vel, vx, vy): meters/yr

3) Model Thermal Agreement:  -5 to 5

-5:  All ensemble members agree cold-based ice

-4:  4/5 ensemble members agree cold-based ice

-3:  3/5  ensemble members agree cold-based ice

-2:  2/5 ensemble members agree cold-based ice

-1: 1/5 ensemble members agree cold-based ice

0: 50% ensemble members either cold or warm-based

1:  1/5 ensemble members agree cold-based ice

2: 2/5 ensemble members agree cold-based ice

3: 3/5 ensemble members agree cold-based ice

4: 4/5 ensemble members agree cold-based ice

5: 5/5 ensemble members agree cold-based ice

Files

Adirondacks_LGM_Thermal_Agreement.tif

Files (321.5 MB)

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Additional details

Funding

U.S. National Science Foundation
Collaborative Research: Assessing the timing and characteristics of deglacial Laurentide Ice Sheet thinning in the northeast United States through paired data-model analyses 2133699

Dates

Created
2024-07-05