National Hydrography Dataset Newsletter - Vol. 20 | Issue 3/4
New Open-Source Projects Using NHDPlus
Two new open-source projects, Xstrm and FCPGtools, have been released that provide functionality based on versions of the NHDPlus. Both projects provide tools to summarize landscape characteristics using the older NHDPlus V2, and also will work with NHDPlus HR. Both projects are Python-based, and work on Linux-based High Performance Computing platforms and on Windows systems.
NHD Data Download Errors and NHDPlus HR Spatial Index Issues
USGS has discovered issues with certain National Hydrography Dataset products generated between 3/01/2021 and 3/16/2021, and a spatial index issue related to some NHDPlus HR file geodatabases.
NHD Plus HR Status Graphic as of April 14, 2021
NHD Plus HR Status Graphic as of April 14, 2021 Red outline - These areas are currently closed to NHD and WBD editing. Please contact the National NHD Point of Contact (Joel Skalet, nhd@usgs.gov) or National WBD Point of Contact (Lily Niknami, lniknami@usgs.gov) for more information on the status of NHD and WBD editing in these areas.Blue areas - NHDPlus HR Beta is…
NHD Newsletter Monthly Quiz - March/April 2021
This Month's Hydro QuizThis lake is the only named waterbody on an island with over 50,000 residents. Fortunately for hydrography data users, this lake outline has been recently updated in NHD, and with the assistance of lidar. What lake is this? ►Please email your answer to Becci Anderson (rdanderson@usgs.gov). Last Month’s Hydro Quiz…
NHD Newsletter Photo of the Month - March/April 2021
Thanks to Sue Buto for contributing this beautiful photo Lake Tahoe taken from Emerald Bay looking east (reachcode: 16050101000339). Submit your photo! We’d love to see photos of the hydrology near you or from your travels! Please send submissions to Alexander Jonesi (ajonesi@usgs.gov).
