#nhdplushr

💧🌏 Greg CocksGregCocks@techhub.social
2024-06-07
Chart showing phases of data acquisition, processing, and delivery to partners and the public for the 3D Hydrography Program (3DHP). The phases are similar to those used for the 3D Elevation Program (3DEP). USGS, U.S. Geological Survey.cover - USGS Circular 1519 - The 3D National Topography Model Call For Action—Part 1. The 3D Hydrography Programschematic & text - 3D National Topography Modelscreen shots - the 3dhp_all service layers shown in desktop GIS software
💧🌏 Greg CocksGregCocks@techhub.social
2023-02-10

Helping put together some iFSAR elevation data for hydrologic analyses in a HUC8 in Alaska...
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usgs.gov/3d-elevation-program <-- 3DEP’s elevation open data access
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[sad that Mastodon kills the resolution in the image, such stunning hydromorphology can be seen in the data]
#GIS #spatial #mapping #remotesensing #Alaska #USA #elevation #iFSAR #water #hydrology #3DEP #NHD #NHDPlusHR #water #spatialanalysis #opendata #datasets #glacial
#USGS

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