A Few Resources Regarding Partitioning Wave Spectra and Discrimination Between Wind Sea and Swell Waves.

Portilla, J., F. J. Ocampo-Torres, and J. Monbaliu 2009: Spectral Partitioning and Identification of Wind Sea and Swell, Journal of Atmospheric and Oceanic Technology, Volume 26, Issue 1 (January 2009), pp. 107122. Abstract at:https://doi.org/10.1175/2008JTECHO609.1

Aarnes, J.E. and H.E. Krogstad, 2001: Partitioning sequences for the dissection of directional Ocean Wave Spectra: a Review. Part of ENVIWAVE Project, 2001. Full text at: https://www.researchgate.net/publication/256198394

Gilhousen, D.B. and R. Hervey, 2001: Improved Estimates of Swell from Moored Buoys, Ocean Wave Measurement and Analysis, Proceedings of the Fourth International Symposium Waves 2001, ASCE, pp. 387-393.

Hanson, J.L. and O.M. Phillips, 2001: Automated Analysis of Ocean Surface Directional Wave Spectra, Journal of Atmospheric and Oceanic Technology, Volume 18, Issue 2 (February 2001), pp. 277293. Full text available: https://doi.org/10.1175/1520-0426(2001)018%3C0277:AAOOSD%3E2.0.CO;2

Wang, D.W. and P. A. Hwang, 2001: An Operational Method for Separating Wind Sea and Swell from Ocean Wave Spectra, Journal of Atmospheric and Oceanic Technology, Volume 18, Issue 12 (December 2001), pp. 20522062. Full-text available: https://doi.org/10.1175/1520-0426(2001)018<2052:AOMFSW>2.0.CO;2

World Meteorological Organization, 1998: Guide to Wave Analysis and Forecasting, WMO-702, WMO, 168 pp. Full text at: https://library.wmo.int/?lvl=notice_display&id=7700#.ZCRYXXZOneU

Komen, G.J., L. Cavaleri, M. Donelan, K. Hasselmann, S. Hasselmann, P.A.E.M. Janssen, (Eds.), 1994: Dynamics and Modelling of Ocean Waves. Cambridge, p. 532.

Gerling, T.W., 1992: Partitioning Sequences and Arrays of Directional Ocean Wave Spectra into Component Wave Systems, Journal of Atmospheric and Oceanic Technology, Volume 9, Issue 4 (August 1992), pp. 444458. Full text at: https://doi.org/10.1175/1520-0426(1992)009<0444:PSAAOD>2.0.CO;2