Accession Number:

ADA232392

Title:

Wave Response of Proposed Improvements to the Shallow-Draft Harbor at Kawaihae, Hawaii

Descriptive Note:

Final rept. Oct 1989-Mar 1990,

Corporate Author:

COASTAL ENGINEERING RESEARCH CENTER VICKSBURG MS

Report Date:

1990-11-01

Pagination or Media Count:

110.0

Abstract:

This is a study using mathematical models to determine the wave response of two proposed plans of improvement to the shallow draft harbor at Kawaihae, Hawaii. The existing harbor consists of an 850-ft-long, 120-ft-wide entrance channel, a 1.2-acre turning basin, and an 850-ft-long breakwater. Plan 1 includes a 640-ft-long, 80-ft-wide main access channel, a 375-ft-long extension to the existing 850-ft-long west breakwater with a 200-ft-long stub on the harbor side, a 425-ft-long access breakwater with a 400-ft-long wave absorber, a 1,025-ft-long east breakwater, and a 650-ft-long offshore breakwater. Plan 2 includes the same improvements as Plan 1 with the exception of the removal of 200 ft of the west breakwater tip. These plans were developed to provide protection to the existing harbor. Study results indicated that Plan 1 met the requirements to protect the harbor adequately from the incident wave climate. It was determined that this plan will keep the wave height in the harbor berthing areas at 1 ft or lower and in the harbor channels and turning basin at 2 ft or lower approximately 90 of the time per year.

Subject Categories:

  • Physical and Dynamic Oceanography
  • Civil Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE