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Title: Lake Pontchartrain and Vicinity Hurricane Protection Plan. Report 1, Prototype data acquisition and analysis
Authors: United States. Army. Corps of Engineers. New Orleans District.
Outlaw, Douglas G.
Keywords: Hurricane barriers
Lake Pontchartrain
Water quality
Storm surges
Hurricane protection
Publisher: Hydraulics Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Technical report (U.S. Army Engineer Waterways Experiment Station) ; HL-82-2 rept.1.
Description: Technical Report
Abstract: Prototype tidal elevation, current, and wind data were acquired and analyzed as a part of a study to evaluate the effects of the Lake Pontchartrain and Vicinity Hurricane Protection Plan on (A.) tidal prism and circulation in Lake Pontchartrain, (B.) hurricane surge levels i n Lake Pontchartrain and vicinity, and (C.) water quality in Lake Pontchartrain. Results of the analysis of prototype tidal elevation and current data will be used during verification of a numerical tidal circulation model. Data were included in the analysis from (A.) an intensive tidal elevation and current data acquisition program for a duration of approximately 30 days; (B.) a water quality program immediately following the intensive program, for monitoring tidal elevations, and, on a less extensive basis, currents, temperature, and conductivity in Lake Pontchartrain; and (C.) a supplemental tidal elevation and current data acquisition program to provide additional data for numerical model verification. A water quality transect survey was conducted during both the intensive program and the supplemental survey for dissolved oxygen, pH, temperature, and conductivity. The intensive program also included a 25-hour current boat survey at six ranges in the tidal passes to Lake Pontchartrain and in the Inner Harbor Navigation Canal. Tidal analysis results show that the diurnal 01 and K1 constituents have the largest amplitude in Lakes Pontchartrain and Borgne and indicate that the diurnal tides in Lake Pontchartrain are co-oscillating with little change in constituent amplitude over the lake. Data from the water quality program were limited due to generally low velocities in Lake Pontchartrain and low salinity levels during·most of the observation period. Surface elevation and currents during operation of the Bonnet Carre Floodway in the spring of 1979, Hurricane Bob, and Hurricane Frederic also are discussed.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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