Mastodawn

US CONUS Rivers Of Dimension By Annual Flow – An Older (2013) But Still SO Useful Hydrologic Visualisation
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https://pacinst.org/american-rivers-a-graphic/ <-- shared technical post
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“... Several things stand out:
1) the massive flow of the mighty Mississippi and Columbia River systems
2) the paucity of major rivers in the western US, especially the southwestern US, where the only major rivers are the seriously over-tapped Colorado and Rio Grande Rivers
3) the local importance of the Sacramento-San Joaquin Rivers in California, which serve the state’s cities and agricultural regions…”
#visualisation #infographic #water #hydrographic #hydrology #US #USA #CONUS #flow #humanimpacts #gage #USGS #USGSgage #agriculture #transportation #rivers #waterresources #overuse #monitoring #planning #AmericanRivers #mapping #spatial #spatialanalysis #scale #symbology #proportional #symbology #bigriver #Colorado #Columbia #Mississippi #SanJoaquin #RioGrande #NHD #NationalHydrographyDataset
#PacificInstitute | #USGS | #AmericanRivers

J9C

Nov 2, 2023

I really enjoyed seeing all of the Day 1 toots and data viz! For Day 2, I’m getting out of my comfort zone to explore hydrological data. The map shows streams and reaches from the USGS National Hydrography Dataset (Hydrological Unit 8) in the upper Potomac River Watershed.

#30DayMapChallenge #Day2 #USGS #DMV #map #ArcPro #HUC #HUC8 #NHD #NationalHydrographyDataset #PotomacRiver