Earth and Environmental Sciences Poster Session

Title

A Study of Hydrograph and Stream Flow Characteristics Using Geographic Information Systems and Field Data of Clarks River

Presenter Information

Marshall ThompsonFollow

Academic Level at Time of Presentation

Senior

Major

Area in Earth and Envr Sci/Environmental

Minor

Mathematics

Presentation Format

Event

Abstract/Description

A Study of Hydrograph and Stream Flow Characteristics Using Geographic Information Systems and Field Data of Clarks River

This project takes a statistical and empirical approach to understanding the shape and behavior of hydrographs in the Clarks River basin. Specifically, this research is centered around the hydrographs that are produced from Murray and Almo stream gages that are positioned along the Clarks River. These gages measure discharge in cubic feet per second and stage height in feet at 15-minute intervals. Knowing this information, stage-discharge relation graphs were created for both the Murray and Almo stream gages. Two, five, and 10-year flood discharge values were obtained to find the stage height along the stage-discharge relation graphs. Once the stage heights of different flood recurrence intervals were calculated, Digital Elevation Models and Point Cloud data were used in ArcGIS Pro and ERDAS Imagine to map the amount of flooded area around the stream gages. Additionally, the cross-sectional area of the Almo stream channel was measured at the Almo stream gage to estimate the average stream flow velocity of the stream at various stage heights. It was found that stream velocity decreased as stage height increased.

Location

Waterfield Gallery

Start Date

November 2021

End Date

November 2021

Fall Scholars Week 2021 Event

EES Poster Session

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Nov 19th, 1:30 PM Nov 19th, 3:30 PM

A Study of Hydrograph and Stream Flow Characteristics Using Geographic Information Systems and Field Data of Clarks River

Waterfield Gallery

A Study of Hydrograph and Stream Flow Characteristics Using Geographic Information Systems and Field Data of Clarks River

This project takes a statistical and empirical approach to understanding the shape and behavior of hydrographs in the Clarks River basin. Specifically, this research is centered around the hydrographs that are produced from Murray and Almo stream gages that are positioned along the Clarks River. These gages measure discharge in cubic feet per second and stage height in feet at 15-minute intervals. Knowing this information, stage-discharge relation graphs were created for both the Murray and Almo stream gages. Two, five, and 10-year flood discharge values were obtained to find the stage height along the stage-discharge relation graphs. Once the stage heights of different flood recurrence intervals were calculated, Digital Elevation Models and Point Cloud data were used in ArcGIS Pro and ERDAS Imagine to map the amount of flooded area around the stream gages. Additionally, the cross-sectional area of the Almo stream channel was measured at the Almo stream gage to estimate the average stream flow velocity of the stream at various stage heights. It was found that stream velocity decreased as stage height increased.