(t_192 ::
 (real ~ "1" on
  (i = 1 .. nlon by j = 1 .. nlat by k = 2 .. 2 max nlev)
 ))



CSE Eliminated

(t_192 :=
 ( (varidx(u, [i, j, k]) - varidx(u, [i, j, k - 1]))
 * (varidx(eta_p, [i, j, k]) + varidx(eta_p, [i + 1, j, k]))
 ))