SUBCOMMITTEE spatial water data Interagency Development of a Reference Set of Watersheds for the United States WBD

SUBCOMMITTEE spatial water data FGDC ACWI Subcommittee on Spatial Water Data (FACA) NRCS USGS NOAA EPA USFS TX NSGIC ASCE COE FEMA BLM NWS TVA CA AK

SUBCOMMITTEE spatial water data Integration of key Spatial Water Datasets NED NHD WBD EDNA “surface water geospatial framework”

SUBCOMMITTEE spatial water data Hydrologic Units 2-digit= 1st level = 22 regions 4-digit= 2nd level = 222 subregions 6-digit= 3rd level = 789 accounting 8-digit= 4th level = 2223 cataloging 10-digit= 5th level = ~22,000 watersheds 12-digit= 6th level = ~160,000 subwatersheds new!

SUBCOMMITTEE spatial water data OK TX COCOCOCO KS NM

SUBCOMMITTEE spatial water data Vision: Follow a drop of water from where it falls on the land, to the stream, and all the way to the ocean. WBD, a “key” part...

SUBCOMMITTEE spatial water data Project Status GOAL: Initial “draft” completed December 2002

SUBCOMMITTEE spatial water data

SUBCOMMITTEE spatial water data

SUBCOMMITTEE spatial water data Watershed Boundary Dataset for Maryland Explanation Shaded Areas Represent 4th Level Sub-basins Watersheds, 5th Level,HUC10 Subwatersheds, 6th Level, HUC12 Terrestrial hydrologic units completed, coastal 5 th and 6 th levels are currently being re-delineated by Dr. Randy Ferguson of NOAA. Recently completed and submitted

SUBCOMMITTEE spatial water data

SUBCOMMITTEE spatial water data Subcommittee on Spatial Water Data Guidelines Work Group CoastalWatersheds FGDC HUC Interagency Guideline

SUBCOMMITTEE spatial water dataGeomorphology

SUBCOMMITTEE spatial water data PROBLEMS IN COASTAL AREAS ? ? ? ?

SUBCOMMITTEE spatial water data

SUBCOMMITTEE spatial water data NOAA/NOS Implementation Pilots Coastal delineation guidance state/coast implementation –Assisting state groups –Workshops –Data and data manipulation –One-on-one with States

SUBCOMMITTEE spatial water data Watershed Boundary Dataset Item nameWidthOutputTypeN.Dec.Example Linesource2020C-DEM30,DRG24,GPS Meta_id44C-OK01 Line Attribution (.aat) Info File Naming Convention MO_com_polyMO_com_line Item nameWidthOutputTypeN.Dec.Example MO_com_poly#45B-5 Comment8080C-Levee influenced boundary WBD metadata/attribution session Thursday morning Kenny Legleiter

SUBCOMMITTEE spatial water data Current version of the HUC GUIDELINES...

SUBCOMMITTEE spatial water data