& streamice_kx_b_init, streamice_ky_b_init,
_RL streamice_kx_b_init, streamice_ky_b_init
& (1+sin(2*streamice_kx_b_init*PI*x/lenx)*
& sin(2*streamice_kx_b_init*PI*x/lenx)))
streamice_kx_b_init = 1.