How does snowmelt interact with groundwater and streams? Do differing geologies change the way that snowmelt affects surface and groundwater resources, in space and in time?

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Using a novel high density data set from the Niwot Ridge Long Term Ecological Research (LTER) site in the Rockies, I use hydrochemistry, isotopes, groundwater levels, snow pack characteristics and seasonal patterns of remotely sensed snow covered area to respond to these questions.   

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The goal of this work is to establish conceptual models relating the way that we anticipate meltwater to translate to stream flow in the complex, varied geologies of mountain regions.   We can then use these models to interpret hydrochemical observations or hydrographs, and anticipate how water amount and timing will shift in the context of a changing climate.

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