Checked content

File:Svalbard temperature.png


Svalbard surface temperature mean monthly anomalies 1912 to 2011, in °C. Anomalies are station monthly temperatures minus the local average for the month.

The recording station moved some 47 km from Isfjord Radio (78.1°N, 13.6° E) to Svalbard Luft (78.2°N, 15.5°E) in 1976, with little record overlap. There is an obvious station temperature difference, here largely removed by plotting anomalies from monthly averages instead of the raw temperatures.

A common base period for computing anomalies is not available because of the lack of record overlap. The base intervals used here are 1912-1976 for Radio and 1978-2007 for Luft (both near to the local full record). Because of the differing base intervals, the long-term uptrend results in a substantial step change in anomaly (circa 3°C) at the station change. To produce an indicative combined anomaly plot, the difference is here crudely adjusted by moving Radio down by 1°C and Luft up by 2°C, so that the trend lines meet at the station change. The resulting zero crossing is near 1975, so the plotted anomalies relate approximately to the commonly adopted 1960-90 interval.

The Svalbard record shows one of the strongest long-record warming trends on Earth, in close agreement with the pattern of climate model predictions.


Data from NASA GISS Surface Temperature Analysis.


I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Schools Wikipedia and SOS Children

All five editions of Schools Wikipedia were compiled by SOS Childrens Villages. SOS Children's Villages is famous for the love and shelter it brings to lone children, but we also support families in the areas around our Children's Villages, helping those who need us the most. Have you heard about child sponsorship? Visit our web site to find out.