Peary caribou and barren-ground caribou COSEWIC assessment and status report: chapter 21

Appendix 2. Snowfall and Snow Depth

Figure 19. Total yearly (sum of mean monthly) snowfall at Resolute Bay, Nunavut, 1961-2001. Square symbols are snowfall during caribou die-off years. The apparent increasing trend is not statistically significant. The annual average was 104.2 cm.

Figure 19.  Total yearly (sum of mean monthly) snowfall at Resolute Bay, Nunavut, 1961-2001. Square symbols are snowfall during caribou die-off years. The apparent increasing trend is not statistically significant.  The annual average was 104.2 cm.

Figure 20. September-May total (sum of mean monthly) snowfall at Resolute Bay, Nunavut, 1961-2001. Square symbols are snowfall during caribou die-off years.  The annual average was 78.2 cm.

Figure 20.  September-May total (sum of mean monthly) snowfall at Resolute Bay, Nunavut, 1961-2001. Square symbols are snowfall during caribou die-off years.  The annual average was 78.2 cm.

Figure 21. September-May maximum snow depth at month end at Resolute Bay, Nunavut, 1961-2001. Square symbols represent caribou die-off years. The apparent declining trend is not statistically significant.

Figure 21.  September-May maximum snow depth at month end at Resolute Bay, Nunavut, 1961-2001. Square symbols represent caribou die-off years. The apparent declining trend is not statistically significant.

Since there was no caribou survey in 1967, it is not known when whether there was a die-off that year, but the low caribou numbers found in 1973 show that there was either a die-off or a sharp decline sometime between 1961 and 1973.

Figure 22. Relationship between mean monthly snowfall and maximum snow depth at month's end, Resolute Bay, Nunavut 1961-2001. No relationship was found.

Figure 22.  Relationship between mean monthly snowfall and maximum snow depth at month's end, Resolute Bay, Nunavut 1961-2001. No relationship was found.

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