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Dark Snow in Greenland

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If you have a question about this talk, please contact Poul Christoffersen.

Sunlight is the primary energy source for Greenland snow and ice melt. Key in modulating this energy source is surface reflectivity. Snow reflectivity changes not only in response to ice crystal shape and liquid water, but a host of light absorbing “impurities” including mineral dust, black carbon, and even microbes. Quantifying the importance of black carbon and microbial abundance are the subject of the Dark Snow Project, a science project and and experiment in internet crowd funding. This presentation recaps the experience and science of the Dark Snow Project. In the meantime, do join Dark Snow Project at,, and

This talk is part of the Scott Polar Research Institute - Polar Physical Sciences Seminar series.

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