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Earth System Dynamics An interactive open-access journal of the European Geosciences Union

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© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
09 Dec 2016
Review status
A revision of this discussion paper was accepted for the journal Earth System Dynamics (ESD) and is expected to appear here in due course.
Assessment of the nuclear power plant "Hanhikivi-1" influence on the local hydrological conditions in the Bothnian Bay, Baltic Sea
Anton Dvornikov1, Stanislav Martyanov1, Vladimir Ryabchenko1, Tatjana Eremina2, Alexey Isaev1,2, and Dmitry Sein3 1The St.-Petersburg Branch of the P. P. Shirshov Institute of Oceanology, Russian Academy of Sciences, 1 Liniya V.O., 30, 199053, St.-Petersburg, Russia
2Russian State Hydrometeorological University, Malookhtinsky prospect, 98, 195196, St.-Petersburg, Russia
3Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Postfach 120161, Am Handelshafen 12, 27570 Bremerhaven, Germany
Abstract. The results of the study aimed to assess the influence of future nuclear power plant "Hanhikivi-1" upon the local hydrological conditions in the Bothnian Bay in the Baltic Sea are presented. A number of experiments with different numerical models were also carried out in order to estimate the extreme hydro-meteorological conditions in the area of the construction. The numerical experiments were fulfilled both with analytically-specified external forcing and with real external forcing for two years: a cold year (2010) and a warm year (2014). The study has shown that the extreme values of sea level, water temperature, the characteristics of wind waves and sea ice in the vicinity of the future nuclear power plant can be significant and sometimes catastrophic. Permanent release of heat into the marine environment from operating nuclear power plant will lead to a strong increase in temperature and the disappearance of ice cover around 2 km vicinity of the station. These effects should be taken into account when assessing local climate changes in the future.

Citation: Dvornikov, A., Martyanov, S., Ryabchenko, V., Eremina, T., Isaev, A., and Sein, D.: Assessment of the nuclear power plant "Hanhikivi-1" influence on the local hydrological conditions in the Bothnian Bay, Baltic Sea, Earth Syst. Dynam. Discuss., doi:10.5194/esd-2016-69, in review, 2016.
Anton Dvornikov et al.
Anton Dvornikov et al.


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