Evolving subsurface connectivity in arctic and alpine ecosystems : the impact of permafrost and seasonally frozen ground
Arctic and alpine ecosystems are experiencing increases in the ubiquity and severity of landscape level disturbances, and changes in the near-surface energy budget including rising air temperatures, ecological shifts, and perturbations in snow depth and timing. These environmental changes are altering the distribution of seasonally and perennially (i.e. permafrost) frozen ground, with impacts on water and nutrient cycling. Presented work includes cross-scale field observations and numerical models that address the hydrologic impacts of spatial and temporal changes in frozen ground distribution. ...
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Singha, Kamini; Walvoord, Michelle A. (Michelle Ann)