FreshNor FreshNor The freshwater budget of the Nordic Seas A Nordic research network 2007-2009 Jens Hesselbjerg Christensen Danish Meteorological Institute.

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Presentation transcript:

FreshNor FreshNor The freshwater budget of the Nordic Seas A Nordic research network Jens Hesselbjerg Christensen Danish Meteorological Institute

Acknowledgement Danish Climate Centre, DMI –Jens Hesselbjerg Christensen Rossby Centre, SMHI –Ralf Döscher Icelandic Meterological Office –Tómas Jóhannesson Bjerknes Centre for Climate Research, Norway –Helge Drange Institute of Natural Research, Greenland –Søren Rysgaard

Overview The freshwater budget of the (Nordic) Arctic –Issues State-of-the-art –Oceanic transport –Greenland Ice Sheet –Surface runoff –Atmospheric circulation Modeling efforts

The area of interest

Projections of sea-ice change Source: IPCC

Projection for ice thickness Source: IPCC

Projections for snow cover Source: IPCC

Greenland Ice Sheet?

Global sea level Source: IPCC

Global sea level Source: IPCC

Salinity trends ( ) Atlantic Pacific Indian World Positive negativeSource: IPCC

Themohaline circulation Source: IPCC

Project goals Co-ordinate Nordic modelling efforts on regional climate aspects within the Nordic countries Establish a better freshwater budget for now and in the near future (until about 2050) in the western part of the Arctic –links with terrestrial hydrology snow, Greenland ice sheet, smaller ice caps, permafrost The role of freshwater changes in the marine ecosystems

Activities TASK 1: Break down of the hydrological cycle for Nordic Seas TASK 2: Atmospheric contributions to the freshwater budget TASK 3: Cryospheric contributions to the hydrological cycle TASK 4: Oceanic (including sea-ice) contribution to the freshwater budget TASK 5: Land surfaces contribution to the freshwater budget TASK 6: The role of changes in the freshwater budget - physical and biological change

Science issues

Science needs

Outlook First meeting October 18-19, 2007! To review Nordic activities To establish a platform for further collaboration at a Nordic level Plan activities for next year(s)

Full duration of project (3 years)DKK Year 1 (funding granted for 2007) Travel for PI’s and board members (10 scientists in total) Travel for exchange students (5-8 students in total) Setting up of web homepage (salary) Salaries, 0.5PM per institute (total 2.5PM) Co-ordination, meetings and reporting activities (co-ordinator) Year 2 (this application) Production of a brochure explaining Nordic climate change work Travel for PI’s and board members (10 scientists in total) Travel for exchange students (4-5 students in total) Organisation of one Nordic workshop Salaries, 0.5PM per institute (total 2.5PM) Co-ordination, meetings and reporting activities (co-ordinator) Year Travel for PI’s and board members (10 scientists in total) Travel for exchange students (5-8 students in total) Organisation of an international workshop Invitation for key note speakers Salaries, 0.5PM per institute (total 2.5PM) Co-ordination, meetings and reporting activities (co-ordinator)

Thank you!