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  1. Web VDatum is designed to vertically transform geospatial data among a variety of tidal, orthometric and ellipsoidal vertical datums - allowing users to convert their data from different horizontal/vertical references into a common system and enabling the fusion of diverse geospatial data in desired reference levels.

  2. • Guidance on the analysis of vertical datum conversion options • Guidance on the process of converting unrevised flood elevations to NAVD88 • Guidance on the coordination and documentation requirements associated with a vertical datum conversion

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  4. Vertical Datums: Ellipsoidal Datums: NAD83_2011, WGS84, ITRF88, ITRF89, ITRF90, NEOS 90, PNEOS 90, ITRF91, ITRF92, SIO/MIT 92, ITRF93, ITRF94, ITRF96, ITRF97, IGS97, ITRF2000, IGS00, IGb00, ITRF2005, IGS05, ITRF2008, IGS08, ITRF2014, IGS14, WGS84(transit), WGS84(G730), WGS84(G873), WGS84(G1150), WGS84(G1674), NAD83(PACP00), NAD83(MARP00)

  5. Stand-alone download. Level of Effort. Medium. Overview. Converts elevation data between tidal, orthometric, and ellipsoidal vertical datums, allowing users to establish a common reference system for all elevation data sets. The conversion tool is based on a hydrodynamic model to convert between tidal and orthometric datums. Features.

  6. VDatum stands for Vertical Datum Transformation, an innovative and evolving software tool under development by NOAA's National Ocean Service. Free to the public, VDatum's primary purpose is to convert elevation data from various sources into a common reference system.

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