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Update on Spatial and GIO Related Issues. SW Geospatial Framework. Integration of key Spatial Water Datasets. National Elevation Dataset (NED). National Hydrography Dataset (NHD). NED-Hydrology (EDNA). Watershed Boundary Dataset(WBD). Partnering. Tools Standards Coordination Pilots
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SW Geospatial Framework Integration of key Spatial Water Datasets National Elevation Dataset (NED) National Hydrography Dataset (NHD) NED-Hydrology (EDNA) Watershed Boundary Dataset(WBD)
Partnering . . . Tools Standards Coordination Pilots Data sets Servers NWS (NED-H stage 1) NRCS (WBD) USFS ($6M hi-res NHD, WBD) USEPA (NHD,NED-H tools &Stage 2) Subcommittee NOAA (coastal watersheds) Products State Partners (hi-res NHD, NED-H stage 2) USGS
States participating in high resolution National Hydrography Dataset development (Map courtesy Zsolt Nagy)
NED National Elevation Dataset
EDNA [alias NED-H] 2101 HUCs processed 1644 HUCs reviewed Stage 1
5000pixels 2 sq.miles!
COMPLETED FALL 2002 Project Status
Subcommittee on Spatial Water Data Coastal Watersheds Work Group Guidelines Work Group Hydro Standard Work Group National Hydrography Framework Standard FGDC HUC unified Guideline
www.ftw.nrcs.usda.gov/huc_data.htm Current version can be found at . . . .
Item Name Int. width Type Contents HUC_8 8 C HUC_10 10 C HUC_12 12 C ACRES 4 B STATES 12 C AR-MO-KS NCONTRB_DA 4 B (in acres) DS_HUC 14 C NAME 80 C (Lowest level) HU_MOD 80 C DRAFT Attribute Scheme (PAT) (karst, interbasin transfer, etc)
currently: NRCS certification proposed: Subcommittee review
June 5-6’01 July’01 Regional HUC Meetings
Slope, aspect • flow direction • flow accumulation • synthetic reaches/streams • conflation to NHD EDNA NED • 30 meter • Seamless • 10mb downloads Critical for water projects!
Subcommittee on Spatial Water Data Coastal Watersheds Work Group Guidelines Work Group FGDC HUC Interagency Guideline
EDNA [alias NED-H] STAGE 1