HY8:AOP: Difference between revisions

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HY-8 incorporates stream simulation aquatic organism passage, as described in  [http://www.fhwa.dot.gov/engineering/hydraulics/pubs/11008/ Hydraulic Engineering Circular No. 26 (HEC-26)]. The principle behind this approach is to simulate the stream throughout the culvert and make the culvert less of a barrier to passage than the stream immediately upstream and downstream.
HY-8 incorporates stream simulation aquatic organism passage, as described in  [http://www.fhwa.dot.gov/engineering/hydraulics/pubs/11008/ Hydraulic Engineering Circular No. 26 (HEC-26)]. The principle behind this approach is to simulate the stream throughout the culvert and make the culvert less of a barrier to passage than the stream immediately upstream and downstream.


To begin the AOP Stream Simulation Analysis, the user first must create a crossing (or load an existing crossing from a file) that does not have any errors.  The user can then select it from the menu: Culvert | AOP: Stream Simulation, or the user can click the AOP: Stream Simulation Tool from the toolbar [[Image:AopStreamSimulation.jpg]]
To begin the AOP Stream Simulation Analysis, the user first must create a crossing (or load an existing crossing from a file) that does not have any errors.  The user can then select it from the menu: ''Culvert'' | '''AOP: Stream Simulation''', or the user can click the '''AOP: Stream Simulation''' tool from the toolbar [[Image:AopStreamSimulation.jpg]]


To learn more about this method, go to [[HY-8:AOP Stream Simulation | AOP Stream Simulation]].
To learn more about this method, go to [[HY8:AOP Stream Simulation | AOP Stream Simulation]].


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Revision as of 15:23, 11 October 2016

Aquatic Organism Passage (AOP)

Aquatic Organism Passage defines whether aquatic organisms, such as fish and amphibians, are able to pass through a culvert from the outlet to the inlet. There are several approaches to determine aquatic organism passage, and some procedures are specific to a type of organism or a specific specie.

A few of the common barriers to fish passage are excessive velocity, culvert length, depth that is too shallow, a culvert that is perched (requiring a fish to jump) or perched too high, and excessive turbulence.

Stream Simulation

HY-8 incorporates stream simulation aquatic organism passage, as described in Hydraulic Engineering Circular No. 26 (HEC-26). The principle behind this approach is to simulate the stream throughout the culvert and make the culvert less of a barrier to passage than the stream immediately upstream and downstream.

To begin the AOP Stream Simulation Analysis, the user first must create a crossing (or load an existing crossing from a file) that does not have any errors. The user can then select it from the menu: Culvert | AOP: Stream Simulation, or the user can click the AOP: Stream Simulation tool from the toolbar AopStreamSimulation.jpg

To learn more about this method, go to AOP Stream Simulation.