Nuuk: Up on the ice sheet

Much of our research in Greenland revolves around the chemistry of water that results from the interaction of water with the bedrock or substrate below the ice. One important control on that resulting chemistry is the initial composition of the water before it makes its way to the base – either as basal melt, englacial (within the ice) melt, or as melt at the surface that makes its way to the base via crevasses.

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Our access to a helicopter in Nuuk allowed us for the first time to collect surface melt that ponds in supraglacial lakes and potential is stored at the surface for years before moving to the basal environment.

 

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