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- Title
Hotspots and key periods of Greenland climate change during the past six decades.
- Authors
Abermann, Jakob; Hansen, Birger; Lund, Magnus; Wacker, Stefan; Karami, Mojtaba; Cappelen, John
- Abstract
We investigated air temperature and pressure gradients and their trends for the period 1996-2014 in Greenland and compared these to other periods since 1958. Both latitudinal temperature and pressure gradients were strongest during winter. An overall temperature increase up to 0.15 °C year was observed for 1996-2014. The strongest warming happened during February at the West coast (up to 0.6 °C year), weaker but consistent and significant warming occurred during summer months (up to 0.3 °C year) both in West and East Greenland. Pressure trends on a monthly basis were mainly negative, but largely statistically non-significant. Compared with other time windows in the past six decades, the period 1996-2014 yielded an above-average warming trend. Northeast Greenland and the area around Zackenberg follow the general pattern but are on the lower boundary of observed significant trends in Greenland. We conclude that temperature-driven ecosystem changes as observed in Zackenberg may well be exceeded in other areas of Greenland.
- Subjects
GREENLAND; CLIMATE change; ATMOSPHERIC temperature; AIR pressure; ECOSYSTEMS
- Publication
AMBIO - A Journal of the Human Environment, 2017, Vol 46, p3
- ISSN
0044-7447
- Publication type
Article
- DOI
10.1007/s13280-016-0861-y