Geophysica Vol. 25, Nos. 1–2, 1989

9 articles

1.

Ten Year Summary 1977-1986 of Atmospheric Electricity Measured at Helsinki-Vantaa Airport, Finland

Tapio J. Tuomi

2.

A Stability Investigation of a Three Level Quasi-Geostrophic Model

A. Wiin-Nielsen

3.

Use of the Maximum Entropy Method to Predict Atmospheric CO2 Content

Jani Mannermaa and Matti Karras

4.

Duration Magnitudes for Local Earthquakes at Lwiro Seismological Station, in East of Zaire, Western Rift Valley of Africa

Mukeng Kabwik

5.

Shear Flow of Sea Ice in the Marginal Ice Zone with Collision Rheology

Matti Leppäranta, Mikko Lensu and Qian-Ming Lu

6.

Radar Indices for Thunderstorms in Southern Sweden

Tage Andersson, Mats Andersson, Caje Jacobsson and Stefan Nilsson

7.

Modelling Geophysical Fields in Source Free Regions by Fourier Series and Rectangular Harmonic Analysis

G. V. Haines

8.

EISCAT Magnetometer Cross and Theoretical Studies Connected with the Electroject Current System

Lasse Häkkinen, Risto Pirjola and Christian Sucksdorff

9.

Geomagnetically Induced Currents in the Finnish Natural Gas Pipeline

Ari Viljanen