USGS, NOAA, FEMA

U.S. Geological Survey
Data Series 236
Version 1.0

Seaside, Oregon, Tsunami Pilot Study—Modernization of FEMA Flood Hazard Maps: GIS Data

Steps of DIGITAL ELEVATION MODEL (DEM) development

A, bathymetric grid, B, topographic grid, and C, merged grid (Venturato, 2005).

Steps of DEM development

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