Svalbard. Correspondence

The recently observed warming of west Spitsbergen fjords has led to anomalous sea-ice conditions and has implications for the marine ecosystem. We in-vestigated long-term trends of maximum temperature of Atlantic Water (AW) in two west Spitsbergen fjords. The data set is composed of more than 400 oc...

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Bibliographic Details
Main Authors: Alexey K. Pavlov, Vigdis Tverberg, Boris V. Ivanov, Frank Nilsen, Stig Falk-petersen, Mats A. Granskog
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
West Spitsbergen Current
Atlantic Water
ERA reanalysis
warming
Svalbard
Isfjord*
Isfjorden
Sea ice
Spitsbergen
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.588.3086
http://www.polarresearch.net/index.php/polar/article/download/11206/pdf_1/
Description
Summary:The recently observed warming of west Spitsbergen fjords has led to anomalous sea-ice conditions and has implications for the marine ecosystem. We in-vestigated long-term trends of maximum temperature of Atlantic Water (AW) in two west Spitsbergen fjords. The data set is composed of more than 400 oceanographic stations for Isfjorden and Grønfjorden (78.18N), spanning from 1876 to 2009. Trends throughout the last century (19122009) indicate an increase of 1.98C and 2.18C in the maximum temperature during autumn for Isfjorden and Grønfjorden, respectively. A recent warming event in the beginning of the 21st century is found to be more than 18C higher than the second warmest period in the time series. Mean sea-level pressure (MSLP) data from ERA-40 and ERA-Interim data sets produced by the European Centre for Medium-Range Weather Forecasts and mean temperature in the core of the West Spitsbergen Current (WSC) at the Sørkapp Section along 76.38N were used to explain the variability of the maximum temperature. A correlation analysis

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