#geocodes — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #geocodes, aggregated by home.social.
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Hydrologic unit system (United States) (Hydrology 💧)
For the use of hydrologists, ecologists, and water-resource managers in the study of surface water flows in the United States, the United States Geological Survey created a hierarchical system of hydrologic units. Originally a four-tier system divided into regions, sub-regio...
https://en.wikipedia.org/wiki/Hydrologic_unit_system_(United_States)
#HydrologicUnitSystem #Geocodes #Hydrology #Limnology #SourceAttribution #WaterAndTheEnvironment
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Projected coordinate system (Cartography 🗺️)
A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system that represents locations on Earth using Cartesian coordinates on a planar surface created by a particular map projection. Each projected coordinate syst...
https://en.wikipedia.org/wiki/Projected_coordinate_system
#ProjectedCoordinateSystem #Geocodes #Navigation #Cartography