1. Institute for Coastal Research,
Helmholtz-Zentrum Geesthacht, Max-Planck Strasse 1, 21502 Geesthacht,
Germany
2. Norwegian Institute for Air
Research, FRAM Centre, Hjalmar Johansens gate 14, NO-9296 Tromsø,
Norway
3. Norwegian Institute for Nature
Research, FRAM Centre, Hjalmar Johansens gate 14, NO-9296 Tromsø,
Norway
4. Oddatunet, 7057 Jonsvatnet,
Norway