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Engineering Commons

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Civil and Environmental Engineering

Brigham Young University

Theses and Dissertations

2019

HAND

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Near Real-Time Flood Forecasts From Global Hydrologic Forecasting Models, Corey Nicholas Krewson Apr 2019

Near Real-Time Flood Forecasts From Global Hydrologic Forecasting Models, Corey Nicholas Krewson

Theses and Dissertations

This research assesses possible methods for extending the Streamflow Prediction Tool from a streamflow forecasting model to a flood extent forecasting model. This new flood extent forecasting model would allow valuable and easy to understand information be disseminated in a timely manner for flood preparation and flood response. The Height Above Nearest Drainage (HAND) method and AutoRoute method were considered for flood extent models but the HAND was the better option for its simple and quick computation as well as its viability on a global scale. Due to the importance of Digital Elevation Models (DEMs) in these flood extent models, …