Computational study of fish passage through circular culverts in Northeast Ohio.

Details

• Creators:
  Baral, Darshan ; Tritico, Hans M.
• Corporate Creators:
  Youngstown State University
• Corporate Contributors:
  United States. Federal Highway Administration
• Subject/TRT Terms:
  Culverts Design Environmental Impact Analysis Fishes Simulation Statistical Analysis Streamflow
• Publication/ Report Number:
  FHWA/OH-2013/10
• Resource Type:
  Tech Report
• Geographical Coverage:
  Ohio
• Corporate Publisher:
  Ohio. Dept. of Transportation. Office of Statewide Planning and Research
• Abstract:
  An investigation has been carried out in Northeast Ohio to determine the percentage of culverts that act
  
  as barriers for fish passage and to identify the design parameters that can be associated with passage
  
  success through stream simulation in two computer programs – FishXing and HEC-RAS. The results
  
  from HEC-RAS shows that, out of 40 culverts analyzed, 55% are partial barriers and 45% are complete
  
  barriers. A comparable analysis in FishXing analysis suggest that out of the 54 culverts analyzed, 11%
  
  are partial barriers and 89% are complete barriers. Student’s t-tests (p ≤ 0.05) showed that the
  
  difference in the average perched height between partial barriers and complete barriers was significant
  
  for the output of both programs. Additional analysis was carried out in FishXing for greenside darter
  
  and largemouth bass by increasing diameter, decreasing length, decreasing slope, increasing
  
  Manning’s roughness (n) of culvert material, and embedding the culverts with gravel substrate (n =
  
  0.04) independently to examine the effect of those parameters on passage success. For greenside
  
  darter, embedding the culverts resulted in 36% of the culverts turning from complete barriers into
  
  partial barriers and had a greater impact on increasing passage success compared to varying other
  
  design parameters. Similar analysis for largemouth bass exhibited a less noticeable difference.
  
  
• Format:
  PDF
• Funding:
  SJN 134691
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha256:3074727ac9e5ae7b136ff8e2cc19445a163b0ef3451c252448c1a6e4fc176844
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/26796/dot_26796_DS1.pdf
• File Type:
  [PDF - 10.15 MB ]