 |
Figure 1. Map of West Antarctica. |
 |
Figure 2. The change in surface elevation at the grounding line of Pine Island Glacier between 1992 and 1999. |
 |
Figure 3. The rate of elevation change of the lower 200 km of the Pine Island Glacier between 1992 and 1999 (colored dots) registered with a map of the ice surface speed (gray scale). |
 |
Figure 4. (A) Bedrock and surface elevation along Pine Island Glacier (PIG) from airborne ice penetrating radar.(B) Rate of elevation change (1992 - 1999) measured along the same transect. |