Adding orog gsl to orog mask tools

sorc/orog_mask_tools.fd/CMakeLists.txt

@@ -1,3 +1,4 @@
 add_subdirectory(orog.fd)
+add_subdirectory(orog_gsl.fd)
 add_subdirectory(lake.fd)
 add_subdirectory(inland.fd)

sorc/orog_mask_tools.fd/orog_gsl.fd/CMakeLists.txt

@@ -0,0 +1,23 @@
+set(fortran_src
+    module_gsl_oro_data_lg_scale.f90
+    module_gsl_oro_data_lg_scale.sar.f90
+    module_gsl_oro_data_sm_scale.f90
+    module_gsl_oro_data_sm_scale.sar.f90
+    gsl_oro_data.f90)
+
+if(CMAKE_Fortran_COMPILER_ID MATCHES "^(Intel)$")
+  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -r8 -convert big_endian -assume byterecl")
+elseif(CMAKE_Fortran_COMPILER_ID MATCHES "^(GNU)$")
+  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fdefault-real-8 -fconvert=big-endian -fno-range-check")
+  if(CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 10)
+    set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fallow-argument-mismatch -fallow-invalid-boz")
+  endif()
+endif()
+
+set(exe_name orog_gsl)
+add_executable(${exe_name} ${fortran_src})
+target_link_libraries(
+  ${exe_name}
+  NetCDF::NetCDF_Fortran)
+
+install(TARGETS ${exe_name} RUNTIME DESTINATION ${exec_dir})

sorc/orog_mask_tools.fd/orog_gsl.fd/README

@@ -0,0 +1,16 @@
+This code creates orographic statistics fields required for the orographic drag suite developed by NOAA's Global Systems Laboratory (GSL).  The fields are a subset of the ones calculated by "orog.fd" except that they are calculated in a different manner.  The fields are:
+stddev -- standard deviation of subgrid topography
+convexity -- convexity of subgrid topography
+oa1,oa2,oa3,oa4 -- orographic asymmetry of subgrid topography (for 4 orientations)
+ol1,ol2,ol3,ol4 -- orographic effective length of subgrid topography (for 4 orientations)
+
+Two Cxxx_oro_data files are created:
+   - an "ls" (large-scale) file for the gravity wave drag and blocking schemes of Kim and Doyle (QJRMS, 2005)
+   - a "ss" (small-scale) file for the small-scale gravity wave drag scheme of Tsiringakis et al. (QJRMS, 2017) and the turbulent orographic form drag (TOFD) scheme of Beljaars et al. (QJRMS, 2004)
+
+The inputs to be passed to the executable are tile number (1-6 for global, 7 for stand-alone regional) and grid resolution, e.g., 768 for C768.
+
+The source data are the following two files to be located in the "fix" directory:
+   - geo_em.d01.lat-lon.2.5m.HGT_M.nc -- global topographic data on 2.5-minute lat-lon grid (interpolated from GMTED2010 30-second topographic data)
+   - HGT.Beljaars_filtered.lat-lon.30s_res.nc -- global topographic data on 30-second lat-lon grid (GMTED2010 data smoothed according to Beljaars et al. (QJRMS, 2004))
+

sorc/orog_mask_tools.fd/orog_gsl.fd/gsl_oro_data.f90

@@ -0,0 +1,96 @@
+!> @file
+!! @brief Create orographic (oro_data) files for use by GSL drag suite
+!!
+!! Program GSL_ORO_DATA
+!!
+!! This program calls subroutines which calculate the parameters
+!! required for the GSL subgrid-scale orographic gravity-wave drag (GWDO)
+!! suite on the FV3 grid.  These parameters are for the small-scale
+!! GWD (Tsiringakis et al., 2017) and turbulent orographic form drag (TOFD)
+!! (Beljaars et al., 2004) schemes of the GSL drag suite.  The output
+!! fields are:
+!! var, con, ol{1,2,3,4} and oa{1,2,3,4}
+!! or in FV3 parlance:
+!! stddev, convexity, ol{1,2,3,4} and oa{1,2,3,4}
+!! These variables are output to netCDF.
+!!
+!! Note:  This program works for both the global FV3GFS cubed
+!!        sphere, i.e., for tiles 1 through 6, and for the
+!!        regional lam, i.e., for tile 7
+!!
+!! Author:  Michael Toy -- NOAA/GSL   January 27, 2021
+!! Based on code by Michael Duda provided by NCAR/MMM
+!!
+program gsl_oro_data
+
+use gsl_oro_data_sm_scale, only: calc_gsl_oro_data_sm_scale
+use gsl_oro_data_lg_scale, only: calc_gsl_oro_data_lg_scale
+use gsl_oro_data_sm_scale_sar, only: calc_gsl_oro_data_sm_scale_sar
+use gsl_oro_data_lg_scale_sar, only: calc_gsl_oro_data_lg_scale_sar
+
+implicit none
+
+
+character(len=2) :: tile_num   ! tile number entered by user
+character(len=7) :: res_indx   ! grid-resolution index, e.g., 96, 192, 384, 768,
+                               ! etc. entered by user
+integer :: tile_num_int
+
+logical :: duplicate_oro_data_file   ! flag for whether oro_data_ls file is a duplicate
+                   ! of oro_data_ss due to minimum grid size being less than 7.5km
+
+
+
+! Read in FV3GFS grid info
+print *
+print *, "Enter tile number:"
+read (5,*) tile_num
+print *
+print *, "Enter grid-resolution index:"
+read (5,*) res_indx
+print *
+print *, "Creating tile oro_data for tile number: ", tile_num
+print *, "Grid resolution = ", res_indx
+print *
+
+
+read(tile_num,*) tile_num_int  ! integer form of tile_num
+
+if ( tile_num_int.le.6 ) then  ! tile is a global tile
+
+   call calc_gsl_oro_data_sm_scale(tile_num,res_indx,duplicate_oro_data_file)
+
+   print *, "duplicate_oro_data_file =", duplicate_oro_data_file
+   print *
+
+   if ( .not.duplicate_oro_data_file ) then
+      call calc_gsl_oro_data_lg_scale(tile_num,res_indx)
+   end if
+
+elseif ( tile_num_int.eq.7 ) then  ! tile is a regional tile
+
+   ! print *, "this is a regional tile"
+   ! print *
+
+   call calc_gsl_oro_data_sm_scale_sar(tile_num,res_indx,            &
+                                       duplicate_oro_data_file)
+
+   print *, "duplicate_oro_data_file =", duplicate_oro_data_file
+
+   if ( .not.duplicate_oro_data_file ) then
+      call calc_gsl_oro_data_lg_scale_sar(tile_num,res_indx)
+   end if
+
+else
+
+   print *, "Error: ", tile_num, " is not a valid tile number"
+
+end if
+
+
+print *
+print *, "End program gsl_oro_data"
+print *
+
+
+end program gsl_oro_data