8,255
edits
Changes
Jump to navigation
Jump to search
Line 9:
Line 9: − +
no edit summary
|Surface roughness (Manning’s n)||Lower numbers indicate less surface obstruction and result in faster flow. <br> Suggested range for a surface of decorative rocks 0.03 – 0.05 <ref name = SWMM> Oregon State Univ., Corvallis. Dept. of Civil, Construction and Environmental Engineering.; Environmental Protection Agency, Cincinnati ONRMRL. Storm Water Management Model Reference Manual Volume I Hydrology (Revised). 2016:233. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100NYRA.txt Accessed August 23, 2017.</ref>
|Surface roughness (Manning’s n)||Lower numbers indicate less surface obstruction and result in faster flow. <br> Suggested range for a surface of decorative rocks 0.03 – 0.05 <ref name = SWMM> Oregon State Univ., Corvallis. Dept. of Civil, Construction and Environmental Engineering.; Environmental Protection Agency, Cincinnati ONRMRL. Storm Water Management Model Reference Manual Volume I Hydrology (Revised). 2016:233. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100NYRA.txt Accessed August 23, 2017.</ref>
|-
|-
|Surface slope (%)||If the slope > 3%, consider using [[Checkdams]] or weirs to prevent erosion of the surface under high flow velocities.
|Surface slope (%)||If the slope > 3%, consider using [[Check dams]] or weirs to prevent erosion of the surface under high flow velocities.
|-
|-
!colspan = "2" style="background: darkcyan; color: white; align = center"|Storage
!colspan = "2" style="background: darkcyan; color: white; align = center"|Storage