EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
6/05/2017 | 11:00 AM - 11:15 AM | ECOHYDROLOGY OF THE STREAM SIMULATION DESIGN APPROACH IN URBAN STREAMS | 302A
ECOHYDROLOGY OF THE STREAM SIMULATION DESIGN APPROACH IN URBAN STREAMS
Culverts and other structures at road-stream crossings can result in barriers to fish and aquatic organism movement as a result of drops in elevation, high velocity flows, and impairment of debris and sediment processing within the stream channel. These barriers to stream habitat connectivity can be removed and replaced with new structures by applying a variety of stream-crossing design approaches. The stream simulation design approach to stream-crossing replacement incorporates a bankfull width, cross-sectional area, slope, bedforms, and substrates similar to those outside of the influence of the stream crossing. Applications of the stream simulation design approach need to be modified for highly urbanized stream networks to accommodate a greater influence from stormwater flows, increases in scouring capacity, unstable substrates, a wider variety of debris sizes, and increased entrenchment throughout the stream network. Urban aquatic ecologists, hydrologists, and engineers can work together to reduce stream channel instability and infrastructure failure by applying the stream simulation design approach to accommodate unique urban stream channel processes. This will improve aquatic habitat resiliency and reduce costs of infrastructure maintenance within urban ecosystems.
- C14 Hydroecology
- C08 Urban Ecology
- S02 Urban streams, aquatic ecology, and stormwater engineering: How do we encourage integration, opportunities and collaboration in an era of green infrastructure innovation?
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Presenters/Authors
Anne Timm
(), USDA Forest Service, Northern Research Station, altimm7@gmail.com;
ASHA DISCLOSURE:
Financial -
Nonfinancial -