A new approach for bathymetry smoothing in ROMS (CROSBI ID 555225)
Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija
Podaci o odgovornosti
Dutour Sikirić, Mathieu ; Janeković, Ivica ; Kuzmić, Milivoj
engleski
A new approach for bathymetry smoothing in ROMS
The sigma-coordinate ocean models are currently used for large basin as well as coastal seas simulations. When there is a strongly varying bathymetry the sigma-coordinate system solutions exhibit an intrinsic error in the horizontal pressure gradient term. As a consequence bathymetry smoothing is a necessity for realistic oceanic modelling. Several known approach are commonly used: Shapiro filter, Laplacian filter, Mellor Ezer-Oey method and the recently proposed procedure of Martinho and Batteen. A new, linear- programming (LP) procedure has been proposed to deal with the problem. This method is compared to Shapiro filter, Mellor-Ezer-Oey method and the recently proposed procedure of Martinho and Batteen on three idealized 1-dimensional test cases and for three grids of the Adriatic sea.
Regional model; bathymetry
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Podaci o prilogu
2009.
objavljeno
Podaci o matičnoj publikaciji
Geofizicki seminar, Geofizicki odsjek fakulteta Zagreb
Podaci o skupu
Geofizicki seminar, Geofizicki odsjek fakulteta Zagreb
ostalo
18.03.2009-18.03.2009
Zagreb, Hrvatska