diff --git a/arch/MERCATOR/arch-X64_AA_GCC_OMPI.fcm b/arch/MERCATOR/arch-X64_AA_GCC_OMPI.fcm
new file mode 100644
index 0000000000000000000000000000000000000000..02eebfa64b99366d8f908c4f9dfebe4eb7fbc51f
--- /dev/null
+++ b/arch/MERCATOR/arch-X64_AA_GCC_OMPI.fcm
@@ -0,0 +1,63 @@
+# compiler options for AA (using GCC compiler & OpenMPI)
+#
+# module use /home/ar0s/modules
+# prgenv/gnu gcc/11.2.0 openmpi/4.1.1.1 hdf5-parallel/1.10.6 netcdf4-parallel/4.7.4 xios/trunk/rev2320-impi
+#
+#
+# NCDF_INC netcdf4 include file
+# NCDF_LIB netcdf4 library
+# XIOS_INC xios include file (taken into accound only if key_xios is activated)
+# XIOS_LIB xios library (taken into accound only if key_xios is activated)
+# OASIS_INC oasis include file (taken into accound only if key_oasis3 is activated)
+# OASIS_LIB oasis library (taken into accound only if key_oasis3 is activated)
+#
+# FC Fortran compiler command
+# FCFLAGS Fortran compiler flags
+# FFLAGS Fortran 77 compiler flags
+# LD linker
+# LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries
+# FPPFLAGS pre-processing flags
+# AR assembler
+# ARFLAGS assembler flags
+# MK make
+# USER_INC complete list of include files
+# USER_LIB complete list of libraries to pass to the linker
+# CC C compiler used to compile conv for AGRIF
+# CFLAGS compiler flags used with CC
+#
+# Note that:
+# - unix variables "$..." are accpeted and will be evaluated before calling fcm.
+# - fcm variables are starting with a % (and not a $)
+#
+#---------------------------------------------------------------------------------------------
+#---------------------------------------------------------------------------------------------
+# All NETCDF and HDF paths are empty as they are automatically defined through environment
+# variables by the load of modules
+#---------------------------------------------------------------------------------------------
+#---------------------------------------------------------------------------------------------
+#
+#
+%NCDF_INC ${NETCDF4_INCLUDE}
+#%NCDF_LIB ${NETCDF4_LIB} ${HDF5_LIB}
+%NCDF_LIB ${NETCDF4_LIB} -L/usr/local/apps/hdf5-parallel/1.10.6/GNU/8.4/OMPI/4.1/lib -Wl,-rpath,/usr/local/apps/hdf5-parallel/1.10.6/GNU/8.4/OMPI/4.1/lib -lhdf5hl_fortran -lhdf5_hl_cpp -lhdf5_hl -lhdf5_fortran -lhdf5_cpp -lhdf5 -lm -lhdf5_hl -lhdf5
+%XIOS_INC -I${XIOS_INC}
+%XIOS_LIB -L${XIOS_LIB} -lxios
+%OASIS_INC -I${OASIS_DIR}/build/lib/mct -I${OASIS_DIR}/build/lib/psmile.MPI1
+%OASIS_LIB -L${OASIS_DIR}/lib -lpsmile.MPI1 -lmct -lmpeu -lscrip
+
+%CPP cpp -Dkey_nosignedzero
+%FC mpif90 -c -cpp
+#%FCFLAGS -fdefault-real-8 -O2 -ftree-vectorize -funroll-all-loops -ffree-line-length-none -Wno-missing-include-dirs
+%FCFLAGS -fdefault-real-8 -O3 -ffree-line-length-none -Wno-missing-include-dirs -fallow-argument-mismatch
+%FFLAGS %FCFLAGS
+%LD mpif90
+%LDFLAGS -lstdc++
+%FPPFLAGS -P -traditional
+%AR ar
+%ARFLAGS rs
+%MK gmake
+%USER_INC %XIOS_INC %OASIS_INC %NCDF_INC
+%USER_LIB %XIOS_LIB %OASIS_LIB %NCDF_LIB
+
+%CC mpicc
+%CFLAGS -O0
diff --git a/arch/MERCATOR/arch-X64_AA_INTEL_IMPI.fcm b/arch/MERCATOR/arch-X64_AA_INTEL_IMPI.fcm
new file mode 100644
index 0000000000000000000000000000000000000000..40a7450e43c2f8dc52938825ff460953b627ca7a
--- /dev/null
+++ b/arch/MERCATOR/arch-X64_AA_INTEL_IMPI.fcm
@@ -0,0 +1,61 @@
+# compiler options for AA (using INTEL compiler & INTEL MPI)
+#
+# module use /home/ar0s/modules
+# module load prgenv/intel intel/2021.4.0 intel-mpi/2021.4.0 hdf5-parallel/1.10.6 netcdf4-parallel/4.7.4 xios/trunk/rev2320-impi
+#
+#
+# NCDF_INC netcdf4 include file
+# NCDF_LIB netcdf4 library
+# XIOS_INC xios include file (taken into accound only if key_xios is activated)
+# XIOS_LIB xios library (taken into accound only if key_xios is activated)
+# OASIS_INC oasis include file (taken into accound only if key_oasis3 is activated)
+# OASIS_LIB oasis library (taken into accound only if key_oasis3 is activated)
+#
+# FC Fortran compiler command
+# FCFLAGS Fortran compiler flags
+# FFLAGS Fortran 77 compiler flags
+# LD linker
+# LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries
+# FPPFLAGS pre-processing flags
+# AR assembler
+# ARFLAGS assembler flags
+# MK make
+# USER_INC complete list of include files
+# USER_LIB complete list of libraries to pass to the linker
+# CC C compiler used to compile conv for AGRIF
+# CFLAGS compiler flags used with CC
+#
+# Note that:
+# - unix variables "$..." are accpeted and will be evaluated before calling fcm.
+# - fcm variables are starting with a % (and not a $)
+#
+#---------------------------------------------------------------------------------------------
+#---------------------------------------------------------------------------------------------
+# All NETCDF and HDF paths are empty as they are automatically defined through environment
+# variables by the load of modules
+#---------------------------------------------------------------------------------------------
+#---------------------------------------------------------------------------------------------
+#
+#
+%NCDF_INC ${NETCDF4_INCLUDE}
+%NCDF_LIB ${NETCDF4_LIB} ${HDF5_LIB}
+%XIOS_INC -I${XIOS_INC}
+%XIOS_LIB -L${XIOS_LIB} -lxios -lstdc++
+%OASIS_INC -I${OASIS_DIR}/build/lib/mct -I${OASIS_DIR}/build/lib/psmile.MPI1
+%OASIS_LIB -L${OASIS_DIR}/lib -lpsmile.MPI1 -lmct -lmpeu -lscrip
+
+%CPP cpp
+%FC mpiifort -c -cpp
+%FCFLAGS -march=core-avx2 -i4 -r8 -O3 -fp-model strict -fno-alias -align array64byte
+%FFLAGS %FCFLAGS
+%LD mpiifort
+%LDFLAGS
+%FPPFLAGS -P -traditional
+%AR ar
+%ARFLAGS rs
+%MK gmake
+%USER_INC %XIOS_INC %OASIS_INC %NCDF_INC
+%USER_LIB %XIOS_LIB %OASIS_LIB %NCDF_LIB
+
+%CC mpiicc
+%CFLAGS -O0
diff --git a/arch/MERCATOR/arch-X64_AA_INTEL_XMPI.fcm b/arch/MERCATOR/arch-X64_AA_INTEL_XMPI.fcm
new file mode 100644
index 0000000000000000000000000000000000000000..b83a27136d6a38e8b9b2d72e0959ed22b75fe307
--- /dev/null
+++ b/arch/MERCATOR/arch-X64_AA_INTEL_XMPI.fcm
@@ -0,0 +1,61 @@
+# compiler options for AA (using INTEL compiler & HPCX OpenMPI)
+#
+# module use /home/ar0s/modules
+# module load prgenv/intel intel/2021.4.0 hpcx-openmpi/2.9.0 hdf5-parallel/1.10.6 netcdf4-parallel/4.7.4 xios/trunk/rev2320-xmpi
+#
+#
+# NCDF_INC netcdf4 include file
+# NCDF_LIB netcdf4 library
+# XIOS_INC xios include file (taken into accound only if key_xios is activated)
+# XIOS_LIB xios library (taken into accound only if key_xios is activated)
+# OASIS_INC oasis include file (taken into accound only if key_oasis3 is activated)
+# OASIS_LIB oasis library (taken into accound only if key_oasis3 is activated)
+#
+# FC Fortran compiler command
+# FCFLAGS Fortran compiler flags
+# FFLAGS Fortran 77 compiler flags
+# LD linker
+# LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries
+# FPPFLAGS pre-processing flags
+# AR assembler
+# ARFLAGS assembler flags
+# MK make
+# USER_INC complete list of include files
+# USER_LIB complete list of libraries to pass to the linker
+# CC C compiler used to compile conv for AGRIF
+# CFLAGS compiler flags used with CC
+#
+# Note that:
+# - unix variables "$..." are accpeted and will be evaluated before calling fcm.
+# - fcm variables are starting with a % (and not a $)
+#
+#---------------------------------------------------------------------------------------------
+#---------------------------------------------------------------------------------------------
+# All NETCDF and HDF paths are empty as they are automatically defined through environment
+# variables by the load of modules
+#---------------------------------------------------------------------------------------------
+#---------------------------------------------------------------------------------------------
+#
+#
+%NCDF_INC ${NETCDF4_INCLUDE}
+%NCDF_LIB ${NETCDF4_LIB} ${HDF5_LIB}
+%XIOS_INC -I${XIOS_INC}
+%XIOS_LIB -L${XIOS_LIB} -lxios -lstdc++
+%OASIS_INC -I${OASIS_DIR}/build/lib/mct -I${OASIS_DIR}/build/lib/psmile.MPI1
+%OASIS_LIB -L${OASIS_DIR}/lib -lpsmile.MPI1 -lmct -lmpeu -lscrip
+
+%CPP cpp
+%FC mpifort -c -cpp
+%FCFLAGS -march=core-avx2 -i4 -r8 -O3 -fp-model strict -fno-alias -align array64byte
+%FFLAGS %FCFLAGS
+%LD mpifort
+%LDFLAGS
+%FPPFLAGS -P -traditional
+%AR ar
+%ARFLAGS rs
+%MK gmake
+%USER_INC %XIOS_INC %OASIS_INC %NCDF_INC
+%USER_LIB %XIOS_LIB %OASIS_LIB %NCDF_LIB
+
+%CC mpicc
+%CFLAGS -O0