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Abstract
Stream Floodplain Delineation Using Three-Dimensional GISTrack: Water Resources
Author(s): Leonard Sekuler, Betsy Yingling
A three-dimensional GIS was created for Doan Brook to
- Delineate the floodplain for a variety of design storms.
- Quantify the reduction of stream flooding for any given watershed improvement alternative.
Doan Brook flows northwest into Lake Erie. It is approximately nine miles long and drains 7,500 acres east of Cleveland, Ohio. This urban stream suffers from frequent flooding. The extent of overbank flooding was determined by displaying hydraulic model results in a three-dimensional GIS. By delineating floodplains for different model scenarios, reduction of stream flooding for any given watershed improvement alternative was assessed.
Leonard Sekuler
Montgomery Watson
1300 East 9th Street
Suite 1100
Cleveland, OH 44114
USA
Phone: 216-623-3673
Fax: 216-621-4972
E-mail: Len.sekuler@mw.com