Coast-to-interior gradient in recent northwest Greenland precipitation trends (1952–2012)

Autor: G J Wong, E C Osterberg, R L Hawley, Z R Courville, D G Ferris, J A Howley
Jazyk: angličtina
Rok vydání: 2015
Předmět:
Zdroj: Environmental Research Letters, Vol 10, Iss 11, p 114008 (2015)
Druh dokumentu: article
ISSN: 1748-9326
DOI: 10.1088/1748-9326/10/11/114008
Popis: The spatial and temporal variability of precipitation on the Greenland ice sheet is an essential component of surface mass balance, which has been declining in recent years with rising temperatures. We present an analysis of precipitation trends in northwest (NW) Greenland (1952–2012) using instrumental (coastal meteorological station) and proxy records (snow pits and ice cores) to characterize the precipitation gradient from the coast to the ice sheet interior. Snow-pit-derived precipitation near the coast (1950–2000) has increased (∼7% decade ^−1 , p
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