| Ancient geodynamics and global-scale hydrology on Mars | Science | 2001 | 405 |
| Mars' volatile and climate history | Nature | 2001 | 348 |
| The MESSENGER mission to Mercury: scientific objectives and implementation | Planetary and Space Science | 2001 | 317 |
| Quantitative prediction of radiation belt electrons at geostationary orbit based on solar wind measurements | Geophysical Research Letters | 2001 | 191 |
| Direct observation of localized parallel electric fields in a space plasma | Physical Review Letters | 2001 | 138 |
| The Electron Radiation Belt | Space Science Reviews | 2001 | 123 |
| First results from the RAPID imaging energetic particle spectrometer on board Cluster | Annales Geophysicae | 2001 | 120 |
| Formation of double layers and electron holes in a current-driven space plasma | Physical Review Letters | 2001 | 113 |
| The MESSENGER mission to Mercury: scientific payload | Planetary and Space Science | 2001 | 104 |
| Experimental investigations on photoelectric and triboelectric charging of dust | Journal of Geophysical Research | 2001 | 99 |
| Role of the stratospheric polar freezing belt in denitrification | Science | 2001 | 88 |
| Energy content in the storm time ring current | Journal of Geophysical Research | 2001 | 72 |
| Effect of solar soft X-rays on the lower ionosphere | Geophysical Research Letters | 2001 | 70 |
| A New Mechanism Relevant to the Formation of Planetesimals in the Solar Nebula | Icarus | 2001 | 67 |
| Stratospheric NOx enhancements in the Southern Hemisphere Vortex in winter/spring of 2000 | Geophysical Research Letters | 2001 | 61 |
| Mars Color Imager (MARCI) on the Mars Climate Orbiter | Journal of Geophysical Research | 2001 | 51 |
| Auroral particle transport using Monte Carlo and hybrid methods | Journal of Geophysical Research | 2001 | 50 |
| Satellite Anomalies due to Space Storms | | 2001 | 49 |
| Formation of intense nose structures | Geophysical Research Letters | 2001 | 48 |
| Validation of POAM III aerosols: Comparison to SAGE II and HALOE | Journal of Geophysical Research | 2001 | 38 |
| Differences in the Sun’s Radiative Output in Cycles 22 and 23 | Astrophysical Journal | 2001 | 32 |
| Aerodynamical sticking of dust aggregates | Physical Review E | 2001 | 31 |
| Cusp and magnetopause locations in global MHD simulation | Journal of Geophysical Research | 2001 | 28 |
| Energy transport and dissipation in the magnetosphere during geomagnetic storms | Journal of Atmospheric and Solar-Terrestrial Physics | 2001 | 26 |
| The northern auroral region as observed in nitric oxide | Geophysical Research Letters | 2001 | 26 |
