subroutine iosi
use modglobal, only:ib, ie, jb, je, ih, jh, kb, ke, kh, nsv, dt, rk3step, dxhi, ltempeq, &
ihc, jhc, khc, dy
use modfields, only:sv0, svm, svprof, uouttot
use modinletdata, only:ubulk
real rk3coef
integer k, n, m
rk3coef = dt/(4.-dble(rk3step))
do n = 1, nsv
do k = kb, ke + 1
sv0(ib - 1, :, k, n) = 2*svprof(k, n) - sv0(ib, :, k, n)
svm(ib - 1, :, k, n) = 2*svprof(k, n) - svm(ib, :, k, n)
end do
sv0(ie + 1, :, :, n) = sv0(ie, :, :, n) - (sv0(ie + 1, :, :, n) - sv0(ie, :, :, n))*dxhi(ie + 1)*rk3coef*uouttot ! tg3315 should be uouttot and will have to change depending on forcing
svm(ie + 1, :, :, n) = svm(ie, :, :, n) - (svm(ie + 1, :, :, n) - svm(ie, :, :, n))*dxhi(ie + 1)*rk3coef*uouttot
enddo
return
end subroutine iosi