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Synoptic conditions and atmospheric moisture pathways associated with virga and precipitation over coastal Adélie Land in Antarctica

Jullien, Nicolas ; Vignon, Étienne ; Sprenger, Michael ; Aemisegger, Franziska ; Berne, Alexis

In: The Cryosphere, 2020, vol. 14, no. 5, p. 1685–1702

Precipitation falling over the coastal regions of Antarctica often experiences low-level sublimation within the dry katabatic layer. The amount of water that reaches the ground surface is thereby considerably reduced. This paper investigates the synoptic conditions and the atmospheric transport pathways of moisture that lead to either virga – when precipitation is completely sublimated –...