Homogenization of Swedish temperature data. Part III: the long temperature records from Uppsala and Stockholm
✍ Scribed by Moberg, Anders; Bergström, Hans
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 308 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0899-8418
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✦ Synopsis
The temperature records from Uppsala, beginning in 1722, and from Stockholm, beginning in 1756, are subjected to homogeneity tests against homogenized reference series for the period 1861±1994. Both records have been affected by urbanization during the test period. The data are corrected for urban bias and for a few other non-homogeneities. The homogenized temperature records are considered to be reliable indicators of the temperature variations in southern Sweden, although individual temperature values are less accurate before the 1860s, particularly before the 1750s. Annual mean temperatures as well as seasonal mean temperatures in the winters, summers and autumns during the recent 30-year period, 1966±1995, were not signi®cantly different from those of the pre-industrial 100-year period 1761±1860. Springs have become signi®cantly warmer compared with that period and have featured a steady warming trend since the 1880s. The annual temperature range during 1966±1995 was signi®cantly smaller than that during 1761±1860; thus the temperature climate has become more maritime.