Figures & data
Figure 1 Location of the study area.
Figure 2 Arapaho rock glacier (tongue-shaped and active) located in the Colorado Front Range. (a) Shown in an aerial photograph (9/13/1999). (b) Shown in a terrestrial photo (7/11/2003).
Figure 3 (a) Distribution of lobate, tongue-shaped, active, inactive, and fossil rock glaciers as well as glaciers in northern portion of the study area.
(b) Distribution of lobate, tongue-shaped, active, inactive, and fossil rock glaciers as well as glaciers in central portion of the study area. See Figure 3c on following page.
Figure 3c Distribution of lobate, tongue-shaped, active, inactive, and fossil rock glaciers as well as glaciers in southern portion of the study area.
Table 1 Summary statistics calculated for all lobate and tongue-shaped rock glaciers. Mean elevation and slope are provided as well as standard deviation in parentheses. For aspect, the mean direction of vectors is given along with the circular variance in parentheses.
Figure 4 Polar diagrams comparing aspect and elevation for rock glacier forms and activity classes as well as glaciers.
Table 2 Statistical test results comparing rock glacier form and activity status.
Table 3 Active, inactive, and fossil rock glacier topographic information.
Table 4 Elevation, aspect, and slope data for glaciers and rock glaciers.
Table 5 Statistical test results comparing glaciers with rock glaciers.
Figure 5 Scatterplot of elevation versus aspect for active, inactive, and fossil rock glaciers and glaciers. =Trendlines are 3rd order best-of-fit polynomials.
