Trutta Environmental Solutions

Streambank Erosion Susceptibility

The condition of a streambank is an indicator of stream health, and streambank evaluations are frequent projects for Trutta.  Streambank condition reflects the susceptibility of the streambank to the erosive forces of water (streambanks in good condition are less likely to erode and fall into the stream than ones in poor condition). The classification of Streambank Erosion Susceptibility considers streambank cover, height, slope, soil, and riparian condition and enables us to predict potential erosion at high flows.

Using HDSS video to visually classify river bank conditions is both accurate (able to differentiate good and poor areas) and efficient (rapidly accomplish the task). Research has shown that the video classification of streambank condition results in a similar classification as the much more time intensive Bank Erosion Susceptibility Index (BEHI). Trutta’s HDSS methodology ranks bank condition on a scale of 1 (best) to 5 (worst).

An example of a Bank Stability Classification system. These images are from the HDSS Kayak System.

 

Projects

To view some of our projects that have delineated streambank erosion susceptibility, follow these links:

Application of the Bank Erosion Susceptibility Index (BESI): Bear Creek, Alabama

Bank Condition Analysis for Prioritization: Paint Rock River, Alabama

Baseline Condition Survey: Weogufka Creek, Alabama

Contour Generation to Support Calculation of Exposed Snail Habitat: Coosa River, Alabama

Dam Removal Monitoring: Big Canoe Creek, Alabama

Habitat Assessment and Mitigation Accounting: Ala Wai Watershed, Hawaii

High Definition Stream Survey of the  Harpeth River, TN

High Definition Stream Survey: Choccolocco and Cheaha Creek, Alabama

High-Definition Stream Survey  of the Caney Fork River, TN

High-Definition Stream Survey  of the Falling Water River, TN

Potential Infrastructure Impacts and Mitigation: Turkey Creek, Alabama

Stream Condition Assessment: Timber Run, Maryland