Year

2021

Season

Spring

Paper Type

Master's Thesis

College

College of Computing, Engineering & Construction

Degree Name

Master of Science in Civil Engineering (MSCE)

Department

Engineering

NACO controlled Corporate Body

University of North Florida. School of Engineering

First Advisor

Christopher J. Brown, Ph.D., PE.

Second Advisor

Çiğdem Akan, Ph.D.

Rights Statement

http://rightsstatements.org/vocab/InC/1.0/

Third Advisor

Patrick Kreidl, Ph.D.

Department Chair

Christopher J. Brown, Ph.D., PE.

College Dean

John Kantner Ph.D.

Abstract

The middle portion of the St. Johns River is located in East-Central Florida, USA. This region of the St. Johns River is increasingly subject to urbanization and conversion of forest areas to agricultural land. Overall, these changes mean that future flood events in the area could adversely impact local citizens. Therefore, the examination of extreme flood events and resiliency to such events is critical. The purpose of this preliminary study is to explore a range of practical applications to estimate extreme flood flows at watercourses within the Middle St. Johns River Basin, focusing specifically upon the Wekiva River sub-basin. The current work illustrates the overall technical methodology and provides estimates of extreme flood flows at different return frequencies using hydrologic modeling, statistical analysis, and supporting published reports. Altogether, once fully integrated and complete, the methods will permit predictions at a range of possible flood flows as a result of an extreme storm event at any place along the watercourse.

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