"Experience the Essence of E-SenSS!"
Greenbank provides users with a reliable, straightforward approach to selecting these innovative techniques for streambank protection. The program allows users to enter site characteristics and restraints, and using that information, select the techniques that are most suited to the project.
Greenbank assists users in selecting and learning about environmentally-sensitive techniques for protecting transportation infrastructure located adjacent to stream channels. Specifically, Greenbank recommends streambed and bank erosion control measures suitable for a given site. Greenbank screens a master list of several dozen environmentally sensitive bed and bank protection techniques using responses the user provides to 12 to 20 questions. These questions deal with key environmental issues associated with the project, a description of the stream reach where the project is located, key erosion processes, and cost factors. The master list of techniques is narrowed down using the responses until a short list of suitable techniques is derived. Selection criteria are based on the best available information from the literature and sound fundamental principles derived from the collective experience of engineers and scientists working with streams over many decades.
The system eliminates techniques that published sources indicate are not able to withstand forces produced by design flows at the site in question. Additional queries include or eliminate techniques based on cost and on the way they control erosion. For example, continuous measures like stone blanket typically halt erosion entirely, while discontinuous measures like bank barbs or spur dikes deflect flows, but may allow limited erosion between structures after construction until a stable “scalloped” bank line is formed. At the end of a consultation, Greenbank provides a ranked list of the recommended techniques with explanatory notes about each one. For each recommended technique, the user may also request a list of techniques that may be combined with the recommended technique to improve the net environmental outcome. A list of all of the techniques that were not recommended is also available to the user, with notes for each technique explaining why it was not recommended.
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