The Baltic Sea Experiment

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Baltic Earth

7th Study Conference
Öland, Sweden
10 - 14 June 2013

Conference on Climate Change in the Southern Baltic region
Szczecin, 12-15 May 2014

21st Century Challenges in Regional Climate Modelling
Lund, 16-19 June 2014


The Baltic Sea Basin on 1 April 2004, as seen from the SeaWiFS satellite (NASA/Goddard Space Flight Center, GeoEye).

BALTEX Science Plan 2003-2012 (pdf)
BALTEX Implementation Strategy 2003-2012 (pdf)
BALTEX Phase II Flyer (pdf)
BALTEX Phase II Revised Objectives (pdf)


News/Announcements archive here

BALTEX is now Baltic Earth.
The dedicated Baltic Earth website is online here...

This BALTEX website serves as archive for the 20 years of BALTEX and will not be be updated anymore. For current Baltic Earth activities, go to the Baltic Earth website.

BALTEX (the Baltic Sea Experiment) is a Regional Hydroclimate Project (RHP) within the Global Energy and Water Exchanges Project (GEWEX) of the World Climate Research Programme (WCRP).

The research focus of BALTEX Phase I (1993-2002) was primarily on the hydrological cycle and the exchange of energy between the atmosphere and the surface of the Earth, as they control and regulate the climate in a fundamental manner. BALTEX Phase II (2003-2012) has extended the scope of research to regional climate change, water management and biogeochemical cycles and transport processes in the regional Earth system. The study region of BALTEX is the Baltic Sea and its hydrological drainage basin, which constitutes a unique European water basin, creating specific demands on models and scientific concepts.


As of February 2015, this page is not updated anymore. For recent News and Events, go to

Baltic Earth - Gulf of Finland Year 2014 Modelling Workshop
Modelling as a tool to ensure sustainable development of the Gulf of Finland-Baltic Sea ecosystem.
A scientific workshop in support of the Gulf of Finland Declaration. 24-25 November 2014, Finnish Environment Institute (SYKE), Helsinki.

New review paper on BALTEX Phase II achievements in physical Oceanography
This Open Access article in "Progress in Oceanography", authored by Anders Omstedt, Jüri Elken, Andreas Lehmann, Matti Leppäranta, Markus Meier, Kai Myrberg and Anna Rutgersson, represents a major wrap-up product of BALTEX Phase II, focusing on the progress in pysical oceanography of the Baltic Sea during the period 2003 to 2014 . Here...

TV Interview on Baltic Earth by Markus Meier (in Swedish) here...
SMHI web article on Baltic Earth here...

New article on Baltic Earth in EOS here...
(this article was chosen as a "good example" by AGU and EOS. It will be listed on AGU’s Sharing Science Web site (, which aims to help members share their science with the public, with legislators, with students, and with each other.)

Final BALTEX Newsletter now online...
First Baltic Earth Newsletter now online...

New BALTEX Publications here

New Books

Schmidt-Thomé, P., J. Klein (Eds.)
Climate Change Adaptation in Practice - from strategy development to implementation
Wiley Blackwell Book Publication, 327 p., May 2013
ISBN 978-0-470-97700-2 More

Pastuszak, M., Igras, J. (Eds.)
Temporal and spatial differences in emission of nitrogen and phosphorus from the Polish territory to the Baltic Sea
National Marine Fisheries Institute, Institute of Soil Science and Plant Cultivation - State Research Institute Fertilizer Research Institute, Gdynia, 2012. 448 p. ISBN 978-8361650-08-9

Reckermann, M., K. Brander, B.R. MacKenzie, A. Omstedt (Eds.)
Climate Impacts on the Baltic Sea: From Science to Policy
Series: Springer Earth System Sciences. Springer Verlag, Heidelberg , 2012. 216 p. More

Schmelzer, N., J. Holfort, M. Sztobryn, P. Przygrodzki (Eds.)
Climatological Ice Atlas for the western and southern Baltic Sea (1961-2010)
ISBN 978-3-86987-278-0, BSH No. 2338 More

Omstedt, A.
Guide to Process Based Modeling of Lakes and Coastal Seas
Series: Praxis Books, Geophysical Sciences. Springer Verlag, Heidelberg, 2011. 310 p. More

New Articles

Omstedt, A., Elken, J., Lehmann, A., Leppäranta, M., Meier, H.E.M., Myrberg, K., Rutgersson, A. 2014
Progress in physical oceanography of the Baltic Sea during the 2003-2014 period
Progress in Oceanography 128:139-171, November 2014
Contact Author:

Rutgersson, A., Jaagus J., Schenk F., Stendel M. 2014
Observed changes and variability of atmospheric parameters in the Baltic Sea region during the last 200 years
Clim Res 61(2):177-190, September 2014
Contact Author:

Special Issue Oceanologia, Vol. 56, (2), 2014
7th Study Conference on BALTEX 2013, selected papers
12 papers, pdf | online

H.E. Markus Meier, Anna Rutgersson and Marcus Reckermann (2014)
An Earth System Science Program for the Baltic Sea Region
EOS 95 (13), 109-110

Kuliński, K., B. Schneider, K. Hammer, U. Machulik, D. Schulz-Bull 2014
The influence of dissolved organic matter on the acid-base system of the Baltic Sea
Journal of Marine Systems 132:106-115, April 2014
Contact Author:

Timo Vihma
Effects of Arctic Sea Ice Decline on Weather and Climate: A Review
Surv Geophys DOI 10.1007/s10712-014-9284-0

AMBIO Volume 43, Issue 1, February 2014
Special Issue: BONUS+ in Support of the Ecosystem Approach to Management in the Baltic Sea
Guest Editors: Andris Andrusaitis, Maija Sirola and Kaisa Kononen

News/Announcements archive here

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