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Oregon Wetland Mapping Standard

Oregon Wetland Mapping Standard. Draft Version 2.0 March 2009 Replaces Version 1 Endorsed by OGIC December 2006. Goals. Consistent and compatible Easy to integrate Easy to disseminate Does not preclude different datasets, but shared datasets must meet minimum OWMS. Why a Revision?.

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Oregon Wetland Mapping Standard

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  1. Oregon Wetland MappingStandard Draft Version 2.0 March 2009 Replaces Version 1Endorsed by OGIC December 2006

  2. Goals • Consistent and compatible • Easy to integrate • Easy to disseminate • Does not preclude different datasets, but shared datasets must meet minimum OWMS.

  3. Why a Revision? • FGDC: Draft Federal Wetlands Mapping Standard, September 2008 • DSL: Administrative Rules, January 2009 • OSU & TWC: Oregon Wetland Layer • Oregon Explorer Wetlands Portal • OWMS Version 1 inadequate

  4. Current wetland datasets in Oregon • NWI – wetlands • NRCS -- hydric soils • NHD -- waterbodies and springs • OSU -- vegetation and conservation • TWC -- conservation • OWEB -- wetland restoration projects (OWRI) • ODFW -- Conservation Opp Areas from WCS • DSL – fill & removal, mitigation, LWIs, delineations • USFS, BLM, USFWS, OPRD: wetlands, vegetation, condition

  5. Local Wetland Inventories (LWIs) Miscellaneous wetland mapping Agencies, NGOs Theses, reports Plot data Wetland delineations “Enhanced NWI”

  6. LWIs (Corvallis) Blue = NWI, Red = LWI Available data: Cowardin HGM Veg Condition Conservation Status

  7. Wetland Mapping Cowardin HGM code Vegetation Conservation Status Data Sources

  8. Informal Review of Draft Version 2 • DSL • ODOT • OWEB • INR-ORNHIC • TWC • Consultants

  9. Basics • Projection -- Oregon Lambert • Source Imagery – CIR min. 1m (FGDC) • Interim: NAIP @ 0.5 m • Horizontal Accuracy – min. 5 m (FGDC) • Vertical Accuracy – not specified (FGDC) • TMU – 0.2 ha, 0.5 ac (FGDC) • LWIs & WCPS (DSL) – 0.04 ha, 0.1 ac • Metadata -- Oregon Standard

  10. Sitename Data source & yr Creator & yr Method Data accuracy Cowardin Cowardin source HGM HGM source Poly source ID Field verification Data source type Minimum Attributes

  11. Hydro barriers Artificial drain Altered flows Wetland mgt Cover type Veg species Veg condition Veg source & yr LSW Goal 5 or 16 SAC Developed Optional Attributes

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