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FLOOD ROUTING THROUGH A FLAT, COMPLEX FLOODPLAIN USING A ONE‐DIMENSIONAL UNSTEADY FLOW COMPUTER PROGRAM 1
Author(s) -
Peters John C.
Publication year - 1983
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1983.tb05940.x
Subject(s) - hydrograph , routing (electronic design automation) , flow (mathematics) , floodplain , inflow , geology , hydrology (agriculture) , flood myth , flow routing , calibration , crest , structural basin , meteorology , geomorphology , geotechnical engineering , engineering , geography , geometry , cartography , mathematics , oceanography , archaeology , physics , electronic engineering , statistics , quantum mechanics
The routing of flood waves through the Central Basin of the Passaic River in New Jersey is complex because of flat gradients and flow reversals. The one‐dimensional unsteady flow program DWOPER, developed by the National Weather Service, was used to simulate flood wave movement through the Basin. A historical event was used for calibration and two synthetic events were simulated. Boundary conditions consisted of discharge hydrographs at inflow points to the study area, local flow hydrographs at interior points, and a stage discharge relation for flow over the crest of a diversion dam at the basin outlet. Manning's n values were adjusted based on stage and discharge data for the historical event; however, verification data were not available for events comparable in magnitude to the synthetic events. Aspects of the investigation reported include techniques for characterizing the flow system, model calibration, techniques for representing a tunnel diversion, and simulation results.