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Risto Ojansuu (email), Helena Henttonen

Kuukauden keskilämpötilan, lämpösumman ja sademäärän paikallisten arvojen johtaminen Ilmatieteen laitoksen mittaustiedoista.

Ojansuu R., Henttonen H. (1983). Kuukauden keskilämpötilan, lämpösumman ja sademäärän paikallisten arvojen johtaminen Ilmatieteen laitoksen mittaustiedoista. Silva Fennica vol. 17 no. 2 article id 5183. https://doi.org/10.14214/sf.a15099

English title: Estimation of the local values of monthly mean temperature, effective temperature sum and precipitation sum from the measurements made by the Finnish Meteorological Office

Abstract

Methods involving the use of moving averages, trend surfaces and their combination are compared in deriving local values of monthly mean temperatures and precipitation sums from the observations made by the Finnish Meteorological Office. Correlation between meteorological variables and sea index, lake index and height above sea level were used in the trend surface method and in the combined method. Combined method, with a trend surface calculated from means of a long time period, was the most reliable method to estimate long local time series.

A method to calculate unbiased estimates of effective temperature sums from monthly mean temperatures is presented.

The PDF includes a summary in English.

Original keywords
sademäärä; lämpösumma; paikallisilmasto; laskentamenetelmä; keskilämpötila; ilmastotekijät; trendipintamenetelmä

English keywords
modelling; effective temperature sum; local climate; monthly mean temperature; precipitation sum; trend surface method; climatic factors

Published in 1983

Views 4335

Available at https://doi.org/10.14214/sf.a15099 | Download PDF

Creative Commons License CC BY-SA 4.0

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