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. 2017 Aug 17;7:8586. doi: 10.1038/s41598-017-06218-8

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Heterogeneous Correlation Maps. Heterogeneous Correlation Maps between sea ice concentration and Normalised Difference Vegetation Index (NDVI) anomalies for the 1^st Singular Value (SV) during (a) the Early Growing Season (EGS; June 10 – July 4); (b) the Peak of Growing Season (JL; June 26 – August 5); and (c) the Late Growing Season (LGS; August 5 – September 6, see Methods) for the West (left panel) and East (right panel) halves of the Svalbard Archipelago. Land pixels show the correlation between observed NDVI (period 2000–2014) and the expansion coefficients of Sea Ice for the 1 ^st SV; Ocean pixels show the correlation between observed Sea Ice concentration (period 2000–2014) and the expansion coefficients of NDVI for the 1 ^st SV. Maps were generated using Matlab (version R2016b; https://www.mathworks.com) and ArcMap (version 10.2; https://www.esri.com), used herein under license.