The Chemistry of Snow: Processes and Nutrient Cycling
The Chemistry of Snow: Processes and Nutrient Cycling
The Chemistry of Snow: Processes and Nutrient Cycling
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Take home points • <strong>Snow</strong> is not a passive reservoir <strong>of</strong> the chemical species scavenged from the atmosphere during snowfall • <strong>Snow</strong>-‐atmosphere exchange by dry deposiIon, volaIlizaIon, air movement, <strong>and</strong> snow metamorphism can increase or decrease certain chemical species within the snow pack • Microorganisms influence nutrient concentraIons during the melt period • Strong gradients <strong>of</strong> CO 2 found in snow covers as snow mediates gas emissions from the soil to the atmosphere • More study needed to elucidate the relaIonships between the chemistry <strong>of</strong> snow, terrestrial nutrient cycles, <strong>and</strong> ecology.
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