Articles | Volume 2, issue 1
Weather Clim. Dynam., 2, 1–17, 2021
https://doi.org/10.5194/wcd-2-1-2021
Weather Clim. Dynam., 2, 1–17, 2021
https://doi.org/10.5194/wcd-2-1-2021

Research article 14 Jan 2021

Research article | 14 Jan 2021

Lagrangian detection of precipitation moisture sources for an arid region in northeast Greenland: relations to the North Atlantic Oscillation, sea ice cover, and temporal trends from 1979 to 2017

Lilian Schuster et al.

Data sets

Lagrangian moisture sources for an arid region in northeast Greenland L. Schuster, F. Maussion, L. Langhamer, and G. E. Moseley https://doi.org/10.5281/zenodo.3972882

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Short summary
Precipitation and moisture sources over an arid region in northeast Greenland are investigated from 1979 to 2017 by a Lagrangian moisture source diagnostic driven by reanalysis data. Dominant winter moisture sources are the North Atlantic above 45° N. In summer local and north Eurasian continental sources dominate. In positive phases of the North Atlantic Oscillation, evaporation and moisture transport from the Norwegian Sea are stronger, resulting in more precipitation.