mirage

The distribution of wave heights and periods for seas with unimodal and bimodal power density spectra

WHOAS at MBLWHOI Library

a service of the MBLWHOI Library | About WHOAS

Show simple item record

dc.contributor.author Sharpe, Matthew M.
dc.date.accessioned 2012-10-10T17:37:35Z
dc.date.available 2012-10-10T17:37:35Z
dc.date.issued 1990-09
dc.identifier.uri http://hdl.handle.net/1912/5425
dc.description Submitted in partial fulfillment of the requirements for the degree of Ocean Engineer at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution September 1990 en_US
dc.description.abstract Observed distributions of wave heights and periods taken from one year of surface wave monitoring near Martha's Vineyard are compared to distributions based on narrow-band theory. The joint distributions of wave heights and periods and the marginal height distributions are examined. The observed significant wave heights and the heights and periods of the extreme waves are also studied. Seas are classified by the shapes of their power density spectra. Spectra with a single peak are designated as unimodal and spectra with two peaks as bimodal. Seas are further classified by spectral width, a function of the three lowest spectral moments. The joint distributions of wave heights and periods from seas with narrow spectral widths take the general shape predicted by narrow-band theory and the statistics of extreme waves for these seas are well described. As spectral width increases, agreement between the theoretical and observed distributions diminishes and the significant wave heights and statistics of extreme waves show increasing variability. Bimodal seas with wide-banded spectra are found to have larger significant and extreme wave heights and shorter extreme wave periods than unimodal seas of the same width. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher Massachusetts Institute of Technology and Woods Hole Oceanographic Institution en_US
dc.relation.ispartofseries WHOI Theses en_US
dc.subject Wave mechanics en_US
dc.title The distribution of wave heights and periods for seas with unimodal and bimodal power density spectra en_US
dc.type Thesis en_US
dc.identifier.doi 10.1575/1912/5425


Files in this item

This item appears in the following Collection(s)

Show simple item record

Search WHOAS


Browse

My Account

Statistics