Spatial-temporal patterns of snow cover in western Canada

Carson J. Q. Farmer, Trisalyn A. Nelson, Mike A. Wulder, Chris Derksen

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    The availability of spatially and temporally extensive SWE data enables a better understanding of the nature of space-time trends in snow cover, changes in these trends and linking these trends to underlying landscape and terrain characteristics. To address these interests, we quantify the spatial pattern of SWE by applying a local measure of spatial autocorrelation to 25 years of mean February SWE derived from passive microwave retrievals. Using a method for characterizing the temporal trends in the spatial pattern of SWE, temporal trends and variability in spatial autocorrelation are quantified. Results indicate that within the Canadian Prairies, extreme values of SWE are becoming more spatially coherent, with potential impacts on water availability, and hazards such as flooding. These results also highlight the need for Canadian ecological management units that consider winter conditions.

    Original languageEnglish
    Pages (from-to)473-487
    Number of pages15
    JournalCanadian geographer-Geographe canadien
    Volume53
    Issue number4
    DOIs
    Publication statusPublished - 2009

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