Geophysica Vol. 13, No. 2, 1974

8 articles

1.

On the Variability of the Z - R Relationship in Rainfall related to Radar Echo Pattern

Timo Puhakka

2.

On the Z - R Relationship in Snowfall

Timo Puhakka

3.

Performance Comparison of Non-linear Optimization Methods Applied to Interpretation in Magnetic Prospecting

Sven-Erik Hjelt

4.

Measuring the Echo Amplitudes of Sporadic E layer in Swept Frequency Ionospheric Sounding

Tauno Turunen

5.

Sequential Es at Sodankylä

T. Turunen and M. Mukunda Rao

6.

Geophysical Variations at Sodankylä during a Geomagnetic Storm 17-18 December 1971

T. Turunen and M. Mukunda Rao

7.

On Errors of the Hull Plate Thermometer

S. Uusitalo

8.

On Smoothing of Time Series

S. Uusitalo