Reijo Solantie, Kari Ahti. (1980). Säätekijöiden vaikutus Etelä-Suomen lumituhoihin v. 1959. Silva Fennica vol. 14 no. 4 article id 5088. https://doi.org/10.14214/sf.a15029

English title: The influence of weather on the snow damages for forests in Southern Finland in 1959.

Original keywords: Etelä-Suomi; lumituhot; sääolosuhteet; sääilmiöt; huurre

English keywords: snow damage; rime; weather conditions; Southern Finland; orographic precipitation

Abstract | View details | Full text in PDF | Author Info

Snow and rime, attached to branches of conifers, seriously damaged forests in a region of 11,000 km² in Southern Finland during a passage of two nearly occluded cyclones in 1959. The roles of different weather elements were studied by considering the variations occurring in them over this region and its surroundings. Damage occurred only inside an accentuated pattern of copious orographic precipitation. Precipitation only became attached to and retained on branches in such parts of the area where temperature varied on both sides of freezing point but did not exceed 0.6°C. Furthermore, damage only occurred in forests where rime formed (above a certain level and on sloping towards the prevailing wind).

The PDF includes a summary in English.

Solantie, E-mail: rs@mm.unknown
Ahti, E-mail: ka@mm.unknown

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