UNIT-RESPONSE METHOD OF OPEN-CHANNEL FLOW ROUTING

UNIT-RESPONSE FLOW ROUTING IS A TECHNIQUE OF OPEN- CHANNEL FLOW ROUTING BASE ON THE UNIT HYDROGRAPH PRINCIPLE OF LAGGING AND SUPERPOSITION. THE UNIT RESPONSE IS DEFININED AS THE FLOW HYDROGRAPH AT A DOWNSTREAM LOCATION RESULTING FROM A CONSTANT INFLOW OF 1 CFS DURING A SELECTED DURATION PERIOD, D, AT AN UPSTREAM LOCATION. IT CAN BE DERIVED FROM ACTUAL RECORDS, BUT FOR GENERAL APPLICATION IT IS DERIVED SYNTHETICALLY BY ROUTING A TRANSLATION HYDROGRAPH THROUGH RESERVOIR STORAGE TO OBTAIN AN INSTANTANEOUS UNIT RESPONSE, AND TRANSFORMING THIS RESPONSE TO THE SELECTED D-HOUR UNIT RESPONSE. LAG, OR TRANSLATION TIME, IS USED TO ACCOUNT FOR FLOOD-WAVE TRAVEL TIME IN THE CHANNEL. THIS CAN BE VARIED WITH DEPTH. ROUTING INTERVALS OF FROM 1 HR TO 24 HR AND ROUTING REACHES FROM 10 MILES TO 150 MILES HAVE BEEN USED SUCCESSFULLY.

  • Supplemental Notes:
    • PROC. PAPER 9499
  • Authors:
    • Sauer, V B
  • Publication Date: 1973-1

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 179-93
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00204485
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 2 1973 12:00AM