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#nhd

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Öffentlich *
💧🌏 Greg Cocks

I Am Proud To Be Part Of The Integrated Team Generating and Publishing An Open Data 3DHP Hydrology Spatial Data Product For The Nation At The USGS
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doi.org/10.5066/P148NT7B <-- shared product DOI
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commons.datacite.org/doi.org?q <-- shared DateCite repository record
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3dhp.nationalmap.gov/ <-- 3DHP data is also available via a USGS spatial data service (with select & export capability)
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[‘my’ first product DOI generation & publication as well ~smile~]
#GIS #spatial #mapping #data #water #hydrology #LiDAR #EDH #elevationderivedhydrography #3DHP #opendata #publicdata #DOI #stagedproducts #3DTNM #3DEP #NHD #national #USA #nonproprietary #waterresources #spatialanalysis #model #modeling #3d #vector #schema #DOI#geopackage #filegeodatabase #metadata #XML
@USGS

screen shot - USGS Staged Products download page - 3DHP datasets
screen shot - DateCite repository new record - 3DHP datasets
screen shot - USGS Science Base page page - 3DHP datasets - GeoPackage - Alaska
image - LiDAR-derived - portion of Laguna Creek, CA
Öffentlich *
💧🌏 Greg Cocks

The 3D National Topography Model Call For Action—Part 1. The 3D Hydrography Program [USGS publication]
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doi.org/10.3133/cir1519 <-- shared USGS Circular 1519
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usgs.gov/3DHP <-- 3DHP home page at the USGS
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hydro.nationalmap.gov/arcgis/r <-- open data WMS for 3DHP, WFS to follow soon
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[awareness: this is my primary project at the USGS]
#GIS #spatial #mapping #water #hydrology #USGS #3dhp #EDH #elevationderivedhydrography #3DHydrographyProgram #NHD #WBD #NHDPlusHR #nation #USA #nationwide #usecase #appliedscience #economicbenefits #planning #monitoring #decisionmaking #informeddecisions #3d #xyz #waterbody #stream #river #flowline #lake #network #routing #opendata #3dtnm #topography #internetofwater #infostructure
@USGS

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 Program
schematic & text - 3D National Topography Model
screen shots - the 3dhp_all service layers shown in desktop GIS software
Öffentlich *
💧🌏 Greg Cocks

Blow-Me-Down Brook, NH – An NHD Flowline Picked ‘Randomly’
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npshistory.com/brochures/saga/ <-- 1981 NPS guide
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usgs.gov/3d-hydrography-progra <-- USGS’s 3DHP home page
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I am working on some hydroaddressing / network traversing technical approaches for 3DHP – and needed an example of a multisegment flowline in NHD-sourced dataset, and so ‘randomly’ got this one - Blow-Me-Down, NH, from WBD HUC4-0108.
Although we map so many flowlines (~20 million in the USA for NHD-sourced spatial data, estimated 10x that for the EDH data still to be determined across the USA), I like trying to understand what a flowline or waterbody ‘is’ to the people on the ground as much as I can...
#GIS #spatial #mapping #networktraversing #3DHP #NHD #WBD #water #hydrology #USGS #mapping #USA #elevationderivedhydrography #EDH #3denabled #3dmapping #3dmodeling #3dep #elevation #opendata #nationally #waterresources #appliedscience #newhampshire #watermanagement #watermanagement #alldataisspatial #publicdata

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