134
5.2.1 In a no Climate Change Scenario
When the climate change will have a trend towards a no-change, then the glaciers
will maintain their status quo. This will lead to no-change in the surface slope θ,
accordingly, the stress will also not change.
5.2.2 Stress vs Ice Thickness
More ice thickness leads to more stress in general. But the data analysed from the
study area indicates that it is not as simple as it is suggested (Fig. 9a). The data
shows a range in the ice thickness from 20 to 130 m are confined to a short range of
stress between 25 and 50 kPa. This suggests that there may be some more components that influence the stress pattern in the glaciers.
5.2.3 Stress vs Bedrock Slope
In general, greater slope leads to greater stress. But the data analysed from the study
area shows a long range of stress between 2 and 150 mPa are confined to a short
range in the bedrock slope from 6° to 12° (Fig. 9b). This suggests that there may be
some more components that influence the stress pattern in the glaciers.
5.2.4 Stress vs Surface Slope
The data on stress vs surface slope analysed from the study area indicates that they
are proportional to each other, i.e., more the surface slope, more is the stress and
vice versa (Fig. 9c). The data shows a range in the surface slope from 1° to 14° are
related with a long range of stress between 1 and 200 kPa. This suggests that the
surface slope of the glaciers influence the stress pattern in the glaciers to the maximum extent.
5.2.5 Stress vs Crevasse Intensity and Orientation
Relationship between the glacier stress and the intensity and orientation of the crevasses in the region is not straightforward. But during this study, it was observed
that the stress on the Polar ice sheet lying to the south of the Schirmacher Oasis is
comparatively less and so is the intensity of the crevasses (Fig. 7). However, the area
lying to the east and northeast of the Veteheia nunatak shows semi-circular and
comparatively more intense crevasses. This area also experiences more stress as
compared to the other parts of the study area (Fig. 6f). This suggests that more
intensity of crevasses will lead to more stress and vice versa. The dynamic effect of
the climate change is expressed in the form of the orientation and intensity of the
A. K. Swain
5.2.1 In a no Climate Change Scenario
When the climate change will have a trend towards a no-change, then the glaciers
will maintain their status quo. This will lead to no-change in the surface slope θ,
accordingly, the stress will also not change.
5.2.2 Stress vs Ice Thickness
More ice thickness leads to more stress in general. But the data analysed from the
study area indicates that it is not as simple as it is suggested (Fig. 9a). The data
shows a range in the ice thickness from 20 to 130 m are confined to a short range of
stress between 25 and 50 kPa. This suggests that there may be some more components that influence the stress pattern in the glaciers.
5.2.3 Stress vs Bedrock Slope
In general, greater slope leads to greater stress. But the data analysed from the study
area shows a long range of stress between 2 and 150 mPa are confined to a short
range in the bedrock slope from 6° to 12° (Fig. 9b). This suggests that there may be
some more components that influence the stress pattern in the glaciers.
5.2.4 Stress vs Surface Slope
The data on stress vs surface slope analysed from the study area indicates that they
are proportional to each other, i.e., more the surface slope, more is the stress and
vice versa (Fig. 9c). The data shows a range in the surface slope from 1° to 14° are
related with a long range of stress between 1 and 200 kPa. This suggests that the
surface slope of the glaciers influence the stress pattern in the glaciers to the maximum extent.
5.2.5 Stress vs Crevasse Intensity and Orientation
Relationship between the glacier stress and the intensity and orientation of the crevasses in the region is not straightforward. But during this study, it was observed
that the stress on the Polar ice sheet lying to the south of the Schirmacher Oasis is
comparatively less and so is the intensity of the crevasses (Fig. 7). However, the area
lying to the east and northeast of the Veteheia nunatak shows semi-circular and
comparatively more intense crevasses. This area also experiences more stress as
compared to the other parts of the study area (Fig. 6f). This suggests that more
intensity of crevasses will lead to more stress and vice versa. The dynamic effect of
the climate change is expressed in the form of the orientation and intensity of the
A. K. Swain