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INTERNATIONAL JOURNAL OF CLIMATOLOGY Int. J. Climatol. 26: 10751089 (2006)
 

Summary: INTERNATIONAL JOURNAL OF CLIMATOLOGY
Int. J. Climatol. 26: 1075­1089 (2006)
Published online 13 February 2006 in Wiley InterScience (www.interscience.wiley.com). DOI: 10.1002/joc.1294
SOIL TEMPERATURES AT ARMAGH OBSERVATORY, NORTHERN
IRELAND, FROM 1904 TO 2002
A. M. GARC´IA-SU ´AREZ* and C. J. BUTLER
Armagh Observatory, College Hill, Armagh BT61 9DG, Northern Ireland, UK
Received 25 July 2005
Revised 29 October 2005
Accepted 2 November 2005
ABSTRACT
Soil temperatures at 30 and 100-cm depth from Armagh Observatory covering the period 1904­2002 are presented. The
series has been corrected for changes in depth and location of the thermometers and has been compared with data from
two other sites in Ireland: Birr and Valentia.
Linear regressions of the soil temperatures over the past century for the three sites have positive slopes in all
seasons which vary from 0.04 to 0.25 °C/decade, depending on the season, depth and location. There appear to be some
geographical differences, with relatively shallow trends in winter in Armagh and Birr and steeper trends in Valentia.
Soil temperature variations at the Armagh Observatory are intimately related to changes in the mean air temperature
but are also influenced by changes in precipitation. We show that winter soil temperatures at Armagh can be successfully
reconstructed from air temperature records. Copyright 2006 Royal Meteorological Society.

  

Source: Armagh Observatory

 

Collections: Physics