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Condens. Matter 2018, 3(2), 12;

Decadal Climate Change in Ny-Ålesund, Svalbard, A Representative Area of the Arctic

Institute of Polar Meteorology, Chinese Academy of Meteorological Sciences, Beijing 100081, China
State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
College of Geography and Environment, Shandong Normal University, Jinan 250014, China
Author to whom correspondence should be addressed.
Received: 23 February 2018 / Revised: 30 March 2018 / Accepted: 3 April 2018 / Published: 8 April 2018
(This article belongs to the Special Issue Condensed Matter Researches in Cryospheric Science)
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In recent decades, global warming hiatus/slowdown has attracted considerable attention and has been strongly debated. Many studies suggested that the Arctic is undergoing rapid warming and significantly contributes to a continual global warming trend rather than a hiatus. In this study, we evaluated the climate changes of Ny-Ålesund, Svalbard, a representative location of the northern North Atlantic sector of the Arctic, based on observational records from 1975–2014. The results showed that the annual warming rate was four times higher than the global mean (+0.76 °C·decade−1) and was also much greater than Arctic average. Additionally, the warming trend of Ny-Ålesund started to slow down since 2005–2006, and our estimates showed that there is a 8–9 years-lagged, but significant, correlation between records of Ny-Ålesund and global HadCRUT4 datasets. This finding indicates that the Arctic was likely experiencing a hiatus pattern, which just appeared later than the low-mid latitudes due to transport processes of atmospheric circulations and ocean currents, heat storage effect of cryospheric components, multidecadal variability of Arctic cyclone activities, etc. This case study provides a new perspective on the global warming hiatus/slowdown debate. View Full-Text
Keywords: Arctic; Arctic rapid warming; global warming hiatus; global warming slowdown Arctic; Arctic rapid warming; global warming hiatus; global warming slowdown

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Ding, M.; Wang, S.; Sun, W. Decadal Climate Change in Ny-Ålesund, Svalbard, A Representative Area of the Arctic. Condens. Matter 2018, 3, 12.

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