TY JOUR TI Numerical Study of Resonant Oscillations of Water Level in the Sea of Azov under the Impact of Weak External Forces KW shallow water equations KW resonance KW resonant oscillations KW seiche KW computational experiment JO Physical Oceanography AU Chikin, A.L. PY 2025 IS 32 PB Federal State Budget Scientific Institution Federal Research Centre “Marine Hydrophysical Institute of RAS”