Stays abroad and field experiments
| Year | Stay |
|---|---|
| 2002 | Field experiment "IGLOS" in Greenland - 2 months |
| 2001 | Stay at the Institute for Marine and Atmospheric Research Utrecht - 2 months |
| 1997 | Field experiment "KABEG" in Greenland - 2 months |
| 1991 | Stay at the École Polytechnique in Paris - 3 months |
| 1989/90 | Field experiment "AMES" in the Antarctis - 3 months |
| 1983/84 | Field experiment "MEFIS" in the Antarctis - 3 months |