TY JOUR TI The Arakawa – Lamb Scheme in Application to Stratified Incompressible Fluid in the Absence of Friction KW Arakawa-Lamb scheme KW discrete equations of model KW sea dynamics KW kinetic energy KW absolute vortex KW quadratic invariants JO PHYSICAL OCEANOGRAPHY AU Demyshev, S.G. PY 2025 IS 41 PB Federal State Budget Scientific Institution Federal Research Centre “Marine Hydrophysical Institute of RAS”