Planning & Management

Oral

394974 - Evaluation of natural streamflow regime at subbasin scale

Wednesday, June 6
2:00 PM - 3:30 PM
Location: Greenway GH
Co-Authors: Graham Markowitz, Harrisburg – Susquehanna River Basin Commission; John Balay, Harrisburg – Susquehanna River Basin Commission; Ben Pratt, Harrisburg – Susquehanna River Basin Commission

A wide range of methods have been employed in the literature for prediction of natural flow regime, including regional regression, separation of streamflow gaged records, streamflow interpolation etc., whereas the performance of predicted flows associated with each method are rarely assessed. This study aims to summarize contemporary methods for generation of natural streamflows and evaluate the suitability associated with each method at various watershed scales. The study area locates at the Susquehanna River Basin, where the largest river lying entirely in the United States flows into Atlantic Ocean and drains 27,500 square miles. Commonplace methods are employed to generate natural streamflows of the Susquehanna subbasins. The prediction accuracy of natural flow regimes associated with each method at selected watersheds or subbasins are evaluated and the suitability of different methods in different watershed scales are examined. The findings of this study would provide valuable insights into the decision-making process of water resource management and investigation of instream ecological health.

Can Liu

Water Resources Modeler
Susquehanna River Basin Commission

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