Abstract
 Creation of the Franklin County, Ohio, Ultra-High Resolution Hydrography Geodatabase Track: Water Resources Author(s): Jeff Pierce The Franklin Soil and Water Conservation District has entered the final year of a five year project to field verify, photograph, and georeference surface drainage and outfalls outside of the road right-of-way throughout incorporated and unincorporated Franklin County. FSWCD staff have walked more than 1,000 miles of stream and tributary and used backpack gps and digital cameras to collect information for more than 26,000 data points, including 12,000+ outfalls. FSWCD field staff inventoried an ArcInfo hydrography layer originally created by FSWCD staff between 1998 and 2002 at a 1:6000 scale and edited at a 1:1200 scale between 2002 and 2005. The layer was converted into a geodatabase in March 2006 and contains more than 3,600 miles of drainage routes with directionality and node connectivity. At the end of 2007, Franklin County will have a hydrography geodatabase with nearly 100,000 records that will meet or exceed National Hydrology Dataset standards. Jeff Pierce Franklin SWCD 1328 Dublin Rd. Suite 101 Columbus , OH 43215 US Phone: 614-486-9613 Fax: 614-486-9614 E-mail: thrakattack@hotmail.com |
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