1. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Satellite data portals for Arctic monitoring Stein Sandven Nansen Environmental and Remote Sensing Center

2. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Satellite sensors

3. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Near Real Time (NRT) versus Seasonal and Long-term (SLT) monitoring NRT: daily updated products, short delivery time, support operational users, assimilation in forecasting models SLT: weekly - monthly products, accumulation of time series, seasonal and interannual variability, requirements to accuracy rather than short delivery time

4. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Examples of portals by the Arctic Task Team OSI SAF: http://saf.met.no/p/quick.htmlhttp://saf.met.no/p/quick.html Univ. Bremen: http://www.seaice.de/ DMI: http://www.dmi.dk/dmi/index/gronland/iskort.htm DTU/DCRS: http://www.seaice.dk/ Met.no: http://polarview.met.no/cgi-bin/highres_arkiv.pl Ifremer: ftp://ftp.ifremer.fr/ifremer/cersat/products/gridded/psi-drift/ AARI: http://www.aari.ru/default_en.asphttp://www.aari.ru/default_en.asp NERSC: http://hab.nersc.no/, http://www.nersc.no/Seaice_archive, http://www.nersc.no/~knutal/IceForecast/http://hab.nersc.no/,http://www.nersc.no/Seaice_archive http://www.nersc.no/~knutal/IceForecast/ + many other portals providing satellite data and derived products

5. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Sea ice monitoring from microwave satellites: seasonal variability and trends 100% 90% 80% 70% 60% 50% 40% 30% 15% water land water land Ref. O. M. Johannessen, 2004 Arctic ice extent 2005 - 2006

6. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 6 Daily regional ice maps from AMSR-E Arctic: North West passage Smith Sound Greenland Sea Svalbard Antarctic: Peninsula Ross Sea Scotia Sea Other: Baltic Sea Caspian Sea Sea of Okhotskh Polarstern Provided by University of Bremen

7. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 ESA rolling archive for ASAR images in the Arctic  Stripes of ASAR images for 20- 29 August 2006 by Kiruna ground station  Green = Wide Swath Mode (WSM)  Red = Image Mode Medium (IMM)  Blue = Alternating Polarisation Mode (APM)

8. NCEP wind field with standard resolution (modelled fields) Example: High-resolution wind from SAR Increased resolution of wind speed derived from SAR data (observed fields)

9. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Chlorophyll-a concentration from optical images Used to monitor a number of environmental parameters such as Phytoplankton blooms Terrestrial sediments Dissolved organic matter Sea surface temperature Ice edge location Ice flow characteristics Ice leads Icebergs Sea ice snow cover Chlorophyll-a concentrations 10 August, 2006 Courtesy: http://HAB.nersc.no © ESA.http://HAB.nersc.no

10. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Example of dissemination: DTU browser for integrating products Courtesy: L. Toudal, DTU

11. EuroGOOS Arctic Task Team Workshop 12 - 13 September 2006 Issues for further work  Long-term satellite programmes  Retrieval algorithms for geophysical products with focus on higher resolution  Develop ice and ocean products for assimilation in models: (e.g. ice concentration, ice drift, ice thickness)  Continued and enhanced provision of SAR data for ice- ocean monitoring (ESA rolling archive, SENTINEL and other SAR systems)  International Polar Year 2007 - 2008: intensified field investigation and satellite monitoring