1. Data management: Data sources & Quality control

2. Sea level measurements

3. Absolute sea level Src: Per Knudsen

4. Measurement system Src: JPL

5. Satellite laser ranging Src: Schrama

6. TOPEX/Poseidon Groundtrack Src: Schrama

7. History Satellite YearsOrganisationAccuracy SKYLAB1972 NASA20 m GEOS-31975-1978NASA3 m SEASAT1978 NASA2 m GEOSAT 1985-1990US Navy30 cm ERS-1 1991-1996ESA4-10 cm ERS-2 1995-2006ESA4 cm T/P 1992-2005NASA/CNES2.. 3 cm GFO 2000-2008US Navy2.. 5 cm ENVISAT 2002-2012ESA2.. 3 cm JASON-1 2001-NASA/CNES2.. 3 cm JASON-2 2008-NASA/CNES2.. 3 cm

8. Corrections applied Orbit Mean Sea Surface (MSS) Dry troposphere Wet troposphere (composite*) Ionosphere Sea State Bias Ocean tide and loading tide Solid Earth tide Pole tide Combined atmospheric correction Specific corrections (per satellite) Src: http://www.aviso.oceanobs.com/

9. Envisat: specific corrections Src: cls.dot

10. Data http://www.aviso.oceanobs.com Trends maps - public Along-track – restricted Real-time - restricted

11. Relative sea level Src: Peter L Johnson new old Fort Denison in Sydney, Australia

12. Different gauges Src: ioc manual Bubbler pressure gauge Still well gauge Next-Generation Water Level Measurement System

13. Radar tide gauge

14. Bottom Pressure Gauge Src: Aarup

15. Datasets Monthly, Annual: Permanent Service for Mean Sea Level (PSMSL) GLOSS Delayed Mode Higher Frequency (DM HF) Data Sets: British Oceanographic Data Centre (BODC), University of Hawaii Sea Level Center (UHSLC) GLOSS Fast Mode Higher Frequency Data Sets University of Hawaii Sea Level Center (UHSLC) Status: IOC-Sea-level Station Monitoring Facility

16. PSMSL stations

17. Censoring effect

18. Bathymetry

19. Global bathymetry Src: gebco

20. Measuring coastal bathymetry

21. Single beam measurement

22. Bathymetry Src: openearth

23. Synthetic Aperture Radar spaceoffice.nl

24. Flight tracks

25. Nearshore Bathymetry/Topography