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Solar Cycle Variation in the Occurence Rate of Pc 1 and IPDP Type Magnetic Pulsations at Sodankylä
Magnetic pulsations solar cycle
2009/6/10
The observations of short-period magnetic pulsations at Sodankylä in the years 1974-1995
confirm that there is a 11-year solar cycle in the occurrence rate of both Pc1 and IPDP type magnetic pul...
Geomagnetic Observations at Sodankylä During the First International Polar Year
Geomagnetic observations Polar Year
2009/6/10
Sodankylä was one of the 11 stations that were in operation during the First International Polar Year 1882-1883. In this study we re-analyze the magnetic observations carried out in Sodankylä...
A Short History of the Sodankylä Geophysical Observatory
Geophysical observatory Polar Years
2009/6/10
The first geophysical observatory at Sodankylä was the Polar Year observatory in years 1882-84.The Finnish Academy of Science and Letters, established in 1908, set up the Sodankylä Geophysic...
The Ice Season of Lake Pääjärvi in Southern Finland
Lake Pä ä jä rvi ice season ice stratification
2009/6/10
Wintertime observations in Lake Pääjärvi have been made since the beginning of the 20th century.In this study the existing ice data has been collected and analysed. Long time series are...
Weather Conditions in Northern Europe in the Exceptionally Cold Spring Season of the Famine Year 1867
Spring 1867 famine year northern Europe
2009/6/10
In 1867,the mean May temperature over large areas of Northern Europe was so low that
anomalies of that magnitude can be expected to occur only a few times in a millennium. Cold weather conditions con...
On the Areal and Temporal Distribution of Thunder in Finland
Thunder thunder days boreal climate
2009/6/10
The spatial and temporal distribution of the annual number of thunder days was studied in Finland on the basis of the means for the periods 1887–1936, 1931−50, 1970−86 and 1987−96. F...
An Analysis of the ENSO Cycle Associated with the Equatorial Tropospheric Zonal Wind Anomalies over the Pacific Basin
Pacific basin equator troposphere wavelet transform zonal wind ENSO
2009/6/10
An analysis of the El Niño/Southern Oscillation (ENSO) cycle associated with the vertically-integrated equatorial tropospheric (1000–100hPa) zonal wind anomalies (ZWA) over the Pacific Basin is...
Long-Term Variability of Sea Ice and Air Temperature Conditions Along the Estonian Coast
Baltic Sea trends winter air temperature conditions number of days with ice
2009/6/10
The results of the analysis of long-term time series regarding ice conditions along the Estonian coast are presented in this paper. This work was focused on the analysis of air temperature, onset of f...
Marine Meteorological Conditions and Air-Sea Exchange Processes Over Northern Baltic Sea in 1990s
Baltic Sea marine meteorology air-sea interaction surface fluxes fetch from the coast
2009/6/9
Marine meteorological conditions and air-sea exchange processes over the northern Baltic Sea
were studied using data from three open-sea lighthouse meteorological stations and the R/V Aranda automati...
ENSO Cycle Associated with the Tropospheric Zonal Wind Anomalies over the Global Region
Global region Pacific Basin wavelet analysis zonal wind El Niñ o/Southern Oscillation
2009/6/9
In our previous paper, an analysis of the El Niño/Southern Oscillation (ENSO) cycle associated
with the vertically-integrated equatorial tropospheric (1000-100hPa) zonal wind anomalies in diff...
Homogenity Testing and Adjustment of Climate Time Series in Finland
climatological time series homogeneity testing metadata temperature precipitation Finland
2009/6/9
The statistical tests used for the detection and adjustment of homogeneity breaks in climatic time series are mostly objective. However, subjective decisions on the design of the testing procedure are...
Synoptic Classification of Thunderstorms in Finland
synoptic weather thunderstorm Finland lightning location climate air mass
2009/6/9
Thunderstorm systems in Finland in 1998-2002 are classified into different types according to the synoptic-scale weather analysed on surface weather maps. A thunderstorm system is defined to include a...
Meteorological Conditions of the Basen Nunatak in Western Dronning Maud Land, Antarctica, During the Years 1989-2001
Dronning Maud Land Aboa meteorological conditions nunatak
2009/6/9
Meteorological conditions and the statistics for the years 1989-2001 of the Basen nunatak in
western Dronning Maud Land are presented. The data are from the Finnish research station Aboa
(73°03'S, 1...
Temporal Variation of Evapotranspiration and Growth in Finnish Forest in Relation to Climate
variation of forest growth variation of evapotranspiration growth of boreal forests evapotranspiration in boreal forests
2009/6/9
In the boreal zone, the annual amounts of evapotranspiration in forests Ef (mma–1) and the growth of growing stands G (m–3ha–1a–1) are practically determined by climate; the spatial variation of both ...
Using Numerical Weather Prediction Model Derived Troposphere Slant Delays in GPS Processing:a Case Study
global positioning system (GPS) tropospheric delay numerical weather model(NWM)
2009/6/9
The troposphere is one of the most significant sources of error in precise GPS (Global Positioning System) positioning solutions nowadays. Uncertainties in troposphere estimation distort the height co...