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The influence of natural conditions on the spatial variation of climate in Lapland, northern Finland

✍ Scribed by Andrea Vajda; Ari Venäläinen

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
624 KB
Volume
23
Category
Article
ISSN
0899-8418

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✦ Synopsis

Abstract

At high latitudes in Lapland, near the climatological timberline, forestry and other environmental research require detailed information about the spatial variation of climate. In this study, the influence of local geographical factors on the climate in northern Finland (Lapland), as well as the applicability of the kriging interpolation method in the case of detailed spatial resolution, were examined. The spatial analysis of mean, maximum, minimum temperatures, length of the frost‐free season, degree‐days and daily range was made using a 1 km × 1 km resolution. The time period used was 1971–2000. We studied whether taking account of external forcing, such as lake coverage and altitude, would improve the accuracy of spatial interpolation of climatological parameters. The geographical factors of coordinates, elevation, lakes and sea influence on the regional features of the climate were examined. According to the results of this study, only geographical position and local relief have a significant influence on regional climate in Lapland. The effect of lakes and sea seems to be secondary. Copyright © 2003 Royal Meteorological Society

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