This presentation provides an overview of the 3D Nation Study conducted by NOAA and USGS to understand the nationwide requirements and benefits of elevation data both on land and underwater. This presentation explains the 3D Nation Study background and goals, which include planning for the next generation of the 3D Elevation Program (3DEP) after nationwide coverage has been completed; understanding the requirements and benefits of inland, nearshore, and offshore bathymetric data; and understanding how those requirements and benefits dovetail in the coastal zone. An overview of the results is presented including a summation of the data requirements as reported by study respondents and the estimated future dollar benefits that could be realized if national programs could meet some or all of the stated requirements for elevation data.
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