O. Pärn

Ice deformation in the Gulf of Finland in the severe winter of 2002/2003

J. Haapala, O. Pärn, 2013 .

On the relationship between sea ice deformation and ship damages in the Gulf of Finland in winter 2003

J. Elken, J. Haapala, T. Kõuts, 2007, Estonian Journal of Engineering.

Effects of sea ice and wind speed on phytoplankton spring bloom in central and southern Baltic Sea

G. Lessin, A. Stips, O. Pärn, 2021, PloS one.

Effects of sea ice and wind speed on Phytoplankton spring bloom in Central and Southern Baltic Sea

G. Lessin, A. Stips, O. Pärn, 2020, bioRxiv.

Increased frequency of wintertime stratification collapse events in the Gulf of Finland since the 1990s

U. Raudsepp, S. Keevallik, Jelena Passenko, 2014 .

Ice conditions of a large shallow lake (Lake Peipsi) determined by observations, an ice model, and satellite images

A. Reinart, O. Pärn, Ove Pärn, 2006, Proceedings of the Estonian Academy of Sciences. Biology. Ecology.