Resources Observations Alaska DGGS Storm Photo Database Education Minute Physics: What is Sea Level? video About Tidal Datums Introduction to Geodetic and Tidal Vertical Datums Tide Datums and their Applications Fantastic Tidal Datums Tools Convert Between Tidal and Geodetic Datums for Alaska Convert Between Geodetic Datums VDatum Compute Tidal Datums from Water Level Time Series, JOA Access Tidal Benchmark Sheets (select advanced and historic data) NGS Tidal Elevation Page Flood and Risk Introduction to FEMA Coastal Floodplain Mapping Alaska Coastal Hazards Program Flood Histories and Coastal Flood Categories Color-Indexed Elevation Maps Alaska DGGS Storm Photo Database 2011 DGGS Bering Sea Storm Report Storm water level extraction using photographs Data Gaps and Priorities Alaska Water Level Watch Build-Out Plan Coastal & Nearshore Water Level Observations in Alaska: Challenges, Assets, Gaps, and Next Steps
