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Articles containing the keyword 'laskentamenetelmä'
Category : Article
article id 5183,
category
Article
(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.
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
Abstract |
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Full text in PDF |
Author Info
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.
-
Ojansuu,
E-mail:
ro@mm.unknown
- Henttonen, E-mail: hh@mm.unknown
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