References#

Primary Reference#

This package should be cited as:

Johnson, D. (2002) “DIWASP, a directional wave spectra toolbox for MATLAB: User Manual.” Research Report WP-1601-DJ (V1.1), Centre for Water Research, University of Western Australia.

Estimation Methods#

DFTM - Direct Fourier Transform Method#

Barber, N.F. (1961) “The directional resolving power of an array of wave detectors.” Ocean Wave Spectra, Prentice Hall Inc., pp. 137-150.

EMLM - Extended Maximum Likelihood Method#

Isobe, M., Kondo, K. and Horikawa, K. (1984) “Extension of MLM for estimating directional wave spectrum.” Proc. Symp. on Description and Modeling of Directional Seas, Paper No. A-6, 15pp.

IMLM - Iterated Maximum Likelihood Method#

Pawka, S.S. (1983) “Island shadows in wave directional spectra.” J. Geophys. Res. 88(C4), 2579-2591.

EMEP - Extended Maximum Entropy Principle#

Hashimoto, N., Nagai, T. and Asai, T. (1993) “Modification of the extended maximum entropy principle for estimating directional spectrum in incident and reflected wave field.” Rept. of P.H.R.I. 32(4), 25-47.

BDM - Bayesian Direct Method#

Hashimoto, N. and Kobune, K. (1988) “Estimation of directional spectrum from a Bayesian approach.” Proc. 21st ICCE, Vol. 1, ASCE, pp. 62-72.

General Reference#

Hashimoto, N. (1997) “Analysis of the directional wave spectra from field data.” In: Advances in Coastal and Ocean Engineering, Vol. 3, ed. Liu, P.L-F., World Scientific, Singapore, pp. 103-143.

This paper provides an excellent overview of directional spectrum estimation methods and is highly recommended for understanding the theory behind DIWASP.

Spectral Models#

TMA Spectrum#

Bouws, E., Gunther, H., Rosenthal, W. and Vincent, C.L. (1985) “Similarity of the wind wave spectrum in finite depth water. 1. Spectral form.” J. Geophys. Res. 90(C1), 975-985.

Directional Spreading#

Mitsuyasu, H. et al. (1975) “Observation of the directional spectrum of ocean wave using a cloverleaf buoy.” J. Phys. Oceanogr. 5, 750-760.

Method Comparisons#

Benoit, M. (1993) “Practical comparative performance survey of methods used for estimating directional wave spectra from heave-pitch-roll data.” Proc. 23rd ICCE, Vol. 1, ASCE, pp. 62-75.