Nesting A Nearshore Wave Model (SWAN) Into An
Ocean Wave Model (WAM) With Application To
The Southern North Sea
Author(s)
Weimin Luo and Roger Flather
Abstract
This paper presents a numerical scheme to nest a nearshore wave model
(SWAN) in an ocean wave model (WAM). It allows users to run the WAM
model on a coarse grid (deep or intermediate water depth) and to run the
SWAN model on a nested fine grid (shallow water) to achieve computational
efficiency. The system was used to hindcast waves in February 1993 along the
Belgian and Dutch coasts. Model results from SWAN and WAM are
intercompared and are also compared with buoy measurements. Good
agreement was found between WAM, SWAN and observations. In addition, a
numerical investigation of depth refraction of waves was made for a uniform
1:1100 sloping coast. A wave directional resolution of the order of 15° was
found to be sufficient for SWAN t
Keywords
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