JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 108, NO. B4, 2222, doi:10.1029/2002JB001935, 2003

Article Map

Abstract
1. Introduction
2. Assumed Physics of Basal Freeze-On

2.1. Ice-Water Interface Curvature and Surface Tension Effects
2.2. Coupled Vertical Transport of Water, Heat, and Solutes
2.3. Formation of Ice Lenses
2.4. Regelation

3. Modeling Approach

3.1. Till Model Configuration and Numerical Approach
3.2. Coupling of the Numerical Till Model to an Analytical Ice Stream Model
3.3. Transport Equations and Boundary Conditions
3.4. Initial Conditions

4. Results

4.1. Case 1: Closed Water System
4.2. Case 2: Open Water System

5. Comparison to Observations
6. Conclusions
7. Notation
8. Acknowledgments
References
Figures

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Tables

Table 1. Symbols and Values of Constant Properties for the Numerical Till Column
Table 2. Symbols and Values of Constant Properties for the Analytical Ice Stream Module
Table 3. Symbols and Initial Values of Time-Dependent Model Parameters

Citation: Christoffersen, P., and S. Tulaczyk, Response of subglacial sediments to basal freeze-on, 1, Theory and comparison to observations from beneath the West Antarctic Ice Sheet, J. Geophys. Res., 108(B4), 2222, doi:10.1029/2002JB001935, 2003.