wavespectra.partition.tracking.dfp_swell

wavespectra.partition.tracking.dfp_swell(dt: float, distance: float = 1000000.0) → float

Rate of change of the swell peak wave frequency. Based on the swell dispersion relationship derived by Snodgrass et al (1966).

Snodgrass, F. E., G. W. Groves, K. F. Hasselmann, G. R. Miller, and W. H. Munk (1966). Propagation of Ocean Swell across the Pacific. Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 259, No. 1103 (May 5, 1966), pp. 431-497

Parameters

dt: xr.DataArray

Time difference

distance: xr.DataArray

Distance to the swell source (m)