Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Calculating Peak Q's

Status
Not open for further replies.

ponderosa

Civil/Environmental
Joined
Aug 9, 2002
Messages
3
Location
US
I am performing a HEC-RAS analysis where I am using flows for the 10, 50, & 100 year events from an old FEMA study. I also need the 2 & 25 year Q's though. Does anyone know of a way to estimate them from the known Q's? Besides using a standard method (ie SCS, Regional) to recalculate them.


 
You can plot the known frequencies/ flows on a probability graph. From the graph, the 2 & 25 year flows can be interpolated.
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top