| An extension of the geomagnetic activity index series aa for two solar cycles (1844–1868) | Geophysical Research Letters | 1993 | 81 |
| Correlation dimension and affinity of AE data and bicolored noise | Geophysical Research Letters | 1993 | 67 |
| Ionospheric convection response to slow, strong variations in a northward interplanetary magnetic field: A case study for January 14, 1988 | Journal of Geophysical Research | 1993 | 67 |
| Size distributions of atmospheric trace elements at dye 3, Greenland — I. Distribution characteristics and dry deposition velocities | Atmospheric Environment Part A General Topics | 1993 | 50 |
| A statistical survey of auroral solitary waves and weak double layers: 1. Occurrence and net voltage | Journal of Geophysical Research | 1993 | 50 |
| Thin current sheets in the deep geomagnetic tail | Geophysical Research Letters | 1993 | 40 |
| Latitudinal distribution of solar wind as deduced from Lyman alpha measurements: An improved method | Journal of Geophysical Research | 1993 | 25 |
| Meteorological variability of the wet and dry deposition of sulphur and nitrogen compounds over the baltic sea | Water, Air, and Soil Pollution | 1993 | 17 |
| Characterization of small scale turbulence observed at substorm onsets: Relationships with parallel acceleration of particles | Advances in Space Research | 1993 | 15 |
| Intercomparison of total ozone data from Nimbus 7 TOMS, the Brewer UV Spectrophotometer and SAOZ UV-Visible Spectrophotometer at High Latitudes Observatory, Sodankylä | Geophysical Research Letters | 1993 | 14 |
| An Attempt to Reduce Induction Source Effects at High Latitudes. | Journal of Geomagnetism and Geoelectricity | 1993 | 13 |
| Airborne particles in snow | Journal of Glaciology | 1993 | 12 |
| Atmospheric aerosol studies in southern Norway using size-fractonating smapling devices and nuclear analytical techniques | Journal of Radioanalytical and Nuclear Chemistry | 1993 | 12 |
| Size distributions of atmospheric trace elements at dye 3, Greenland—II. Sources and transport | Atmospheric Environment Part A General Topics | 1993 | 11 |
| Evaluation of the applicability of the MOUDI impactor for aerosol collections with subsequent multielement analysis by PIXE | Nuclear Instruments & Methods in Physics Research B | 1993 | 10 |
| Geomagnetic activity during solar cycle 9 (1844–1856) | Geophysical Research Letters | 1993 | 5 |
| 3D plasma observations near Mars | Geophysical Research Letters | 1993 | 5 |
| Vertical distribution of tropospheric ozone in Antarctica and in the European Arctic | Tellus, Series B: Chemical and Physical Meteorology | 1993 | 4 |
| 45 O 02 Measurement of atmospheric nitrate aerosol by a virtual impactor and a berner low-pressure impactor | Journal of Aerosol Science | 1993 | 1 |
| Airborne particles in snow | Journal of Glaciology | 1993 | |
| Detection of sulphur dioxide and nitrogen oxides by means of the ionization method: Comparison with the UV-fluorescence method and the chemiluminescence method | Environmetrics | 1993 | |
