Refinement of the fluidity parameter range with a stress exponent of four in Glen’s law: insights from Antarctic bed topography model

• Main Authors: Lim, Su-Jeong, Baek, Yi-Jeong, So, Byung-Dal
• Format: Text
• Language: English
• Published: 2024
• Subjects: Amery; Antarctic; East Antarctica; Narrows The; Shackleton; The Antarctic; West Antarctica; Antarc*; Antarctica; Ice Sheet; Ice Shelves
• Online Access: https://doi.org/10.5194/egusphere-2023-2987; https://egusphere.copernicus.org/preprints/2024/egusphere-2023-2987/

Understanding the stress-dependent behaviour of the ice sheet is critical to projecting ice mass balance. Glen's law is used to calculate ice viscosity, conventionally with a stress exponent (n) equal to three. However, a stress exponent of four has recently been proposed for ice dynamics. The...