Datums

• Good overview by COMET

• Overview by NOAA

• Geoid definition

• Orthometric heights

• Tide datums

• Future changes to horizontal and vertical datums (optional material, not required)

Tides

• a) Explaining tidal forces b) More detailed explanation and "myths"
• Basic diagram, tidal forces of moon on earth

• Technical overview on tides
• Interaction of sun and moon on tides --- the "King's tide"

Tide prediction tools

• NOAA tide charts

• Water level forecasts including atmospheric effects --- the Operational Nowcast and Forecast Hydrodynamic Model System (OFS)
• Global tide predictions (courtesy University of South Carolina)
• Perigean "spring tide" dates
• Xtide (for installation in a Linux environment, US tides only)

Sea level rise

• Basic overview

• NOAA sea level rise website
• COMET material on sea level rise

Video lecture on datums, tides, tide prediction, and sea level rise. Audio only.