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Les routines nitrate.F90 et ammonium.F90 sont retirees du repertoire... 

Les routines nitrate.F90 et ammonium.F90 sont retirees du repertoire meanflow/. Elles ont ete relocalisees dans le repertoire extras/bio dans une revision precedente.
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!$Id: nitrate.F90,v 1.11 2007-01-06 11:49:15 kbk Exp $
#include"cppdefs.h"
!-----------------------------------------------------------------------
!BOP
!
! !ROUTINE: The nitrate equation \label{sec:nitrate}
!
! !INTERFACE:
subroutine ammonium(nlev,dt,cnpar,nus,gams,cc)
!
! !DESCRIPTION:
! This subroutine computes the balance of ammonium in the form
! \begin{equation}
! \label{SEq}
! \dot{S}
! = {\cal D}_S
! - \frac{1}{\tau^S_R}(S-S_{obs})
! \comma
! \end{equation}
! where $\dot{S}$ denotes the material derivative of the nitrate $N$, and
! ${\cal D}_N$ is the sum of the turbulent and viscous transport
! terms modelled according to
! \begin{equation}
! \label{DN}
! {\cal D}_N
! = \frstder{z}
! \left(
! \left( \nu^N_t + \nu^N \right) \partder{N}{z} - \tilde{\Gamma}_N
! \right)
! \point
! \end{equation}
! In this equation, $\nu^N_t$ and $\nu^N$ are the turbulent and
! molecular diffusivities of nitrate, respectively,
! and $\tilde{\Gamma}_N$
! denotes the non-local flux of nitrate, see
! \sect{sec:turbulenceIntro}. In the current version of GOTM,
! we set $\nu^N_t = \nu^\N$ for simplicity.
!
! Horizontal advection is optionally
! included (see {\tt obs.nml}) by means of prescribed
! horizontal gradients $\partial_xN$ and $\partial_yN$ and
! calculated horizontal mean velocities $U$ and $V$.
! Relaxation with the time scale $\tau^N_R$
! towards a precribed (changing in time)
! profile $N_{obs}$ is possible.
! Inner sources or sinks are not considered.
! The surface freshwater flux is given by means of the precipitation
! - evaporation data read in as $P-E$ through the {\tt airsea.nml} namelist:
! \begin{equation}
! \label{S_sbc}
! {\cal D}_S = S (P-E),
! \qquad \mbox{at } z=\zeta,
! \end{equation}
! with $P-E$ given as a velocity (note that ${\cal D}_S$ is the flux in the
! direction of $z$, and thus positive for a \emph{loss} of nitrate) .
! Diffusion is numerically treated implicitly,
! see equations (\ref{sigmafirst})-(\ref{sigmalast}).
! The tri-diagonal matrix is solved then by a simplified Gauss elimination.
! Vertical advection is included, and it must be non-conservative,
! which is ensured by setting the local variable {\tt adv\_mode=0},
! see section \ref{sec:advectionMean} on page \pageref{sec:advectionMean}.
!
! !USES:
use meanflow, only: avmola !CHG5
use meanflow, only: h,u,v,w,amm,avh !CHG5
use observations, only: dadx,dady,a_adv !CHG5
use observations, only: w_adv_discr,w_adv_method
use observations, only: aprof,ARelaxTau !CHG5
use airsea, only: p_e
use util, only: Dirichlet,Neumann
use util, only: oneSided,zeroDivergence
! use bio_var, only : bio_model
IMPLICIT NONE
!
! !INPUT PARAMETERS:
! number of vertical layers
integer, intent(in) :: nlev
! time step (s)
REALTYPE, intent(in) :: dt
! numerical "implicitness" parameter
REALTYPE, intent(in) :: cnpar
! diffusivity of nitrate (m^2/s) (!CHG3 same as salinity)
REALTYPE, intent(in) :: nus(0:nlev)
! non-local salinity flux (psu m/s)
REALTYPE, intent(in) :: gams(0:nlev)
! nitrate concentration after bio loop
REALTYPE, intent(in), optional :: cc(1:9,0:nlev) !CHG3
!
! !REVISION HISTORY:
! Original author(s): Dany Dumont (dany_dumont@ete.inrs.ca)
!
! $Log: nitrate.F90,v $
! Creation 1.0 2008-06-11 14:27:00 dd
! based on salinity.F90
!
!EOP
!
! !LOCAL VARIABLES:
integer :: adv_mode=0
integer :: posconc=1
integer :: i
integer :: DiffBcup,DiffBcdw
integer :: AdvBcup,AdvBcdw
REALTYPE :: DiffSup,DiffSdw
REALTYPE :: AdvSup,AdvSdw
REALTYPE :: Lsour(0:nlev)
REALTYPE :: Qsour(0:nlev)
!
!-----------------------------------------------------------------------
!BOC
!
! set boundary conditions
DiffBcup = Neumann
DiffBcdw = Neumann
DiffSup = -1.*amm(nlev)*p_e !CHG5
DiffSdw = _ZERO_
AdvBcup = zeroDivergence
AdvBcdw = oneSided
AdvSup = _ZERO_
AdvSdw = _ZERO_
! compute total diffusivity
do i=0,nlev
avh(i)=nus(i)+avmola !CHG5
end do
! add contributions to source term
Lsour=_ZERO_
Qsour=_ZERO_
do i=1,nlev
! from non-local turbulence
#ifdef NONLOCAL
Qsour(i) = Qsour(i) - ( gams(i) - gams(i-1) )/h(i)
#endif
end do
! ... and from lateral advection
if (a_adv) then
do i=1,nlev
Qsour(i) = Qsour(i) - u(i)*dadx(i) - v(i)*dady(i) !CHG5
end do
end if
! redefinir amm apres un cyle bio
#ifdef BIO
do i=1,nlev
!amm(i) = cc(6,i) ! bio_model=2,4
amm(i) = cc(9,i) ! bio_model=6
end do
! if (bio_model.eq.2) then
! do i=1,nlev
! amm(i) = cc(6,i)
! end do
! else if (bio_model.eq.4) then
! do i=1,nlev
! amm(i) = cc(6,i)
! end do
! else if (bio_model.eq.6) then
! do i=1,nlev
! amm(i) = cc(9,i)
! end do
! end if
#endif
! do advection step
if (w_adv_method .ne. 0) then
call adv_center(nlev,dt,h,h,w,AdvBcup,AdvBcdw, &
AdvSup,AdvSdw,w_adv_discr,adv_mode,amm) !CHG5
end if
! do diffusion step
call diff_center(nlev,dt,cnpar,posconc,h,DiffBcup,DiffBcdw, &
DiffSup,DiffSdw,avh,LSour,Qsour,ARelaxTau,aprof,amm) !CHG5
return
end subroutine ammonium
!EOC
!-----------------------------------------------------------------------
! Copyright by the GOTM-team under the GNU Public License - www.gnu.org
!-----------------------------------------------------------------------
src/meanflow/nitrate.F90 deleted 100644 → 0
View file @ 64abe2ca
!$Id: nitrate.F90,v 1.11 2007-01-06 11:49:15 kbk Exp $
#include"cppdefs.h"
!-----------------------------------------------------------------------
!BOP
!
! !ROUTINE: The nitrate equation \label{sec:nitrate}
!
! !INTERFACE:
subroutine nitrate(nlev,dt,cnpar,nus,gams,cc)
!
! !DESCRIPTION:
! This subroutine computes the balance of nitrate in the form
! \begin{equation}
! \label{SEq}
! \dot{S}
! = {\cal D}_S
! - \frac{1}{\tau^S_R}(S-S_{obs})
! \comma
! \end{equation}
! where $\dot{S}$ denotes the material derivative of the nitrate $N$, and
! ${\cal D}_N$ is the sum of the turbulent and viscous transport
! terms modelled according to
! \begin{equation}
! \label{DN}
! {\cal D}_N
! = \frstder{z}
! \left(
! \left( \nu^N_t + \nu^N \right) \partder{N}{z} - \tilde{\Gamma}_N
! \right)
! \point
! \end{equation}
! In this equation, $\nu^N_t$ and $\nu^N$ are the turbulent and
! molecular diffusivities of nitrate, respectively,
! and $\tilde{\Gamma}_N$
! denotes the non-local flux of nitrate, see
! \sect{sec:turbulenceIntro}. In the current version of GOTM,
! we set $\nu^N_t = \nu^\N$ for simplicity.
!
! Horizontal advection is optionally
! included (see {\tt obs.nml}) by means of prescribed
! horizontal gradients $\partial_xN$ and $\partial_yN$ and
! calculated horizontal mean velocities $U$ and $V$.
! Relaxation with the time scale $\tau^N_R$
! towards a precribed (changing in time)
! profile $N_{obs}$ is possible.
! Inner sources or sinks are not considered.
! The surface freshwater flux is given by means of the precipitation
! - evaporation data read in as $P-E$ through the {\tt airsea.nml} namelist:
! \begin{equation}
! \label{S_sbc}
! {\cal D}_S = S (P-E),
! \qquad \mbox{at } z=\zeta,
! \end{equation}
! with $P-E$ given as a velocity (note that ${\cal D}_S$ is the flux in the
! direction of $z$, and thus positive for a \emph{loss} of nitrate) .
! Diffusion is numerically treated implicitly,
! see equations (\ref{sigmafirst})-(\ref{sigmalast}).
! The tri-diagonal matrix is solved then by a simplified Gauss elimination.
! Vertical advection is included, and it must be non-conservative,
! which is ensured by setting the local variable {\tt adv\_mode=0},
! see section \ref{sec:advectionMean} on page \pageref{sec:advectionMean}.
!
! !USES:
use meanflow, only: avmoln !CHG3
use meanflow, only: h,u,v,w,nit,avh !CHG3
use observations, only: dndx,dndy,n_adv !CHG3
use observations, only: w_adv_discr,w_adv_method
use observations, only: nprof,NRelaxTau !CHG3
use airsea, only: p_e
use util, only: Dirichlet,Neumann
use util, only: oneSided,zeroDivergence
! use bio_var, only: bio_model
IMPLICIT NONE
!
! !INPUT PARAMETERS:
! number of vertical layers
integer, intent(in) :: nlev
! time step (s)
REALTYPE, intent(in) :: dt
! numerical "implicitness" parameter
REALTYPE, intent(in) :: cnpar
! diffusivity of nitrate (m^2/s) (!CHG3 same as salinity)
REALTYPE, intent(in) :: nus(0:nlev)
! non-local salinity flux (psu m/s)
REALTYPE, intent(in) :: gams(0:nlev)
! nitrate concentration after bio loop
!DD Not independent of the bio model, only works with 7 compartments model (Fasham)
! REALTYPE, intent(in), optional :: cc(1:10,0:nlev) !CHG3
REALTYPE, intent(in), optional :: cc(1:9,0:nlev) !CHG3
!
! !REVISION HISTORY:
! Original author(s): Dany Dumont (dany_dumont@ete.inrs.ca)
!
! $Log: nitrate.F90,v $
! Creation 1.0 2008-06-11 14:27:00 dd
! based on salinity.F90
!
!EOP
!
! !LOCAL VARIABLES:
integer :: adv_mode=0
integer :: posconc=1
integer :: i
integer :: DiffBcup,DiffBcdw
integer :: AdvBcup,AdvBcdw
REALTYPE :: DiffSup,DiffSdw
REALTYPE :: AdvSup,AdvSdw
REALTYPE :: Lsour(0:nlev)
REALTYPE :: Qsour(0:nlev)
!
!-----------------------------------------------------------------------
!BOC
!
! set boundary conditions
DiffBcup = Neumann
DiffBcdw = Neumann
DiffSup = -1.*nit(nlev)*p_e !CHG3
DiffSdw = _ZERO_
AdvBcup = zeroDivergence
AdvBcdw = oneSided
AdvSup = _ZERO_
AdvSdw = _ZERO_
! compute total diffusivity
do i=0,nlev
avh(i)=nus(i)+avmoln !CHG3
end do
! add contributions to source term
Lsour=_ZERO_
Qsour=_ZERO_
do i=1,nlev
! from non-local turbulence
#ifdef NONLOCAL
Qsour(i) = Qsour(i) - ( gams(i) - gams(i-1) )/h(i)
#endif
end do
! ... and from lateral advection
if (n_adv) then
do i=1,nlev
Qsour(i) = Qsour(i) - u(i)*dndx(i) - v(i)*dndy(i) !CHG3
end do
end if
! redefinir nit apres un cyle bio
#ifdef BIO
do i=1,nlev
!nit(i) = cc(7,i) ! bio_model=2,4
nit(i) = cc(1,i) ! bio_model=1,6
end do
! if (bio_model.eq.1) then
! do i=1,nlev
! nit(i) = cc(1,i)
! end do
! else if (bio_model.eq.2) then
! do i=1,nlev
! nit(i) = cc(7,i)
! end do
! else if (bio_model.eq.4) then
! do i=1,nlev
! nit(i) = cc(7,i)
! end do
! else if (bio_model.eq.6) then
! do i=1,nlev
! nit(i) = cc(1,i)
! end do
! end if
#endif
! do advection step
if (w_adv_method .ne. 0) then
call adv_center(nlev,dt,h,h,w,AdvBcup,AdvBcdw, &
AdvSup,AdvSdw,w_adv_discr,adv_mode,nit) !CHG3
end if
! do diffusion step
call diff_center(nlev,dt,cnpar,posconc,h,DiffBcup,DiffBcdw, &
DiffSup,DiffSdw,avh,LSour,Qsour,NRelaxTau,nprof,nit) !CHG3
return
end subroutine nitrate
!EOC
!-----------------------------------------------------------------------
! Copyright by the GOTM-team under the GNU Public License - www.gnu.org
!-----------------------------------------------------------------------
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