Re: [swanmodel-users] ERA5 input to SWAN

[Nicolas De A. B. <bos...@gm...>]

Hello Valeria,

In this case, directional wave spectrum seems more correct to be used as lateral boundary. Since it will represente the multi-modal sea state of your region. 

Currently, I and other friends are developing an article that explores this problem. We are using 3 lateral boundary database, which are WW3/NOAA waves parameters (Hs,Dp and Tp), ERA5 2D spectrum and CSIRO 2D spectrum. Both 2D spectrum were generate from waves partition, which contain the necessary information to generate de 2D spectrum: Hs, Tp, Dm and Directional spread. 

Preliminary results show that the SWAN wave model performs better when using the boundary conditions of ERA5.

Best regards 

Nicolas Bose

> On 10 Jun 2020, at 07:15, Valeria Fanti <val...@gm...> wrote:
> 
> Dear users,
> I would like to know how to deal with areas with double peaked wave spectra in SWAN. Is there anyway to keep on using as input values significant wave height, mean/peak period and peak direction but instead of e.g. JONSWAP using a double peaked spectra? Or the only way it to use as inputs the 2D wave spectral data?
> Also, is there anybody using input data from ERA5 database I could speak with?
> 
> Thanks in advance for any help or suggestion,
> Valeria Fanti
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