subroutine uEMEP_subgrid_dispersion(source_index)
use uEMEP_definitions
implicit none
integer i,j
integer source_index
integer jj,ii,tt
real distance_subgrid
integer i_start,i_end,j_start,j_end,t_start,t_end
integer i_cross,j_cross
integer i_cross_integral,j_cross_integral,i_cross_target_integral,j_cross_target_integral
real cos_subgrid_loc,sin_subgrid_loc,FF_loc,FF_zc_loc
integer subsource_index
real ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,sig_y_00_loc,sig_z_00_loc,h_emis_loc,z_rec_loc,sig_z_loc,sig_y_loc,h_mix_loc
real xpos_limit,ypos_limit
real xpos_limit2,ypos_limit2
real time_weight(subgrid_dim(t_dim_index),n_pollutant_loop),time_total(subgrid_dim(t_dim_index),n_pollutant_loop)
real x_downwind,y_downwind
real xpos_area_min,xpos_area_max,ypos_area_min,ypos_area_max
real distance_subgrid_min
real xpos_subgrid,ypos_subgrid
real xpos_emission_subgrid,ypos_emission_subgrid
real temp_subgrid_internal
real distance_emission_subgrid_min
real temp_sum_subgrid(n_pollutant_loop)
real temp_sum_subgrid_from_in_region_new(n_pollutant_loop)
integer count
real, allocatable :: temp_emission_subgrid(:,:,:)
real, allocatable :: temp_subgrid(:,:,:)
!real, allocatable :: diagnostic_subgrid(:,:,:)
real, allocatable :: temp_FF_subgrid(:,:)
real, allocatable :: temp_FF_emission_subgrid(:,:)
real, allocatable :: trajectory_subgrid(:,:,:,:)
real, allocatable :: angle_diff(:,:)
integer traj_max_index
logical valid_traj
real traj_step_size,x_loc,y_loc,FFgrid_loc,logz0_loc,u_star0_loc,FF10_loc,zc_loc,invL_loc
real z0_temp,h_temp
real, allocatable :: temp_target_subgrid(:,:,:)
real, allocatable :: x_target_subgrid(:,:)
real, allocatable :: y_target_subgrid(:,:)
real, allocatable :: traveltime_temp_target_subgrid(:,:,:,:)
integer temp_target_subgrid_dim_min(2),temp_target_subgrid_dim_max(2)
integer temp_target_subgrid_dim_length(2)
real temp_target_subgrid_delta(2)
logical :: use_target_subgrid=.true.
integer i_target_start,i_target_end,j_target_start,j_target_end
logical temp_use_subgrid
integer i_pollutant
real temp_subgrid_internal_pollutant(n_pollutant_loop)
integer i_cross_deposition,j_cross_deposition
real temp_subgrid_rotated(n_pollutant_loop)
real temp_subgrid_rotated_integrated(n_pollutant_loop)
real precip_loc
real deposition_subgrid_scale
real plume_vertical_integral(n_integral_subgrid_index,n_pollutant_loop)
!Fitting Kz calculation
real x_loc_fit(2)
real sig_z_loc_fit(2)
real sig_y_loc_fit(2)
real FF_zc_loc_fit(2) !Not used
real az_loc_fit,bz_loc_fit
real ay_loc_fit,by_loc_fit
real sig_z_0_loc_fit,sig_y_0_loc_fit
integer f_loop
!functions
!real gauss_plume_second_order_rotated_integral_func
!real gauss_plume_cartesian_integral_func
! Arrays for the new way to calculate from-in-region, by matching emission region with region in each subgrid of the target grid
real, allocatable :: subgrid_from_in_region_new(:,:,:)
real, allocatable :: temp_target_subgrid_per_source_region(:,:,:,:) !x,y,pollutant,region
integer i_region
integer emission_region_index
write(unit_logfile,'(A)') ''
write(unit_logfile,'(A)') '================================================================'
write(unit_logfile,'(A)') 'Calculating dispersion of proxy (uEMEP_subgrid_dispersion)'
write(unit_logfile,'(A)') '================================================================'
!First call the integral dispersion routine if it is needed. Only when using the concentration redistribution or the EMEP grid interpolation with proxy
if (local_subgrid_method_flag.eq.1.or.EMEP_grid_interpolation_flag.eq.4) then
call uEMEP_subgrid_dispersion_integral(source_index)
endif
allocate (temp_emission_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),n_pollutant_loop))
allocate (temp_subgrid(subgrid_dim(x_dim_index),subgrid_dim(y_dim_index),n_pollutant_loop))
!allocate (diagnostic_subgrid(subgrid_dim(x_dim_index),subgrid_dim(y_dim_index),n_pollutant_loop))
allocate (temp_FF_subgrid(integral_subgrid_dim(x_dim_index),integral_subgrid_dim(y_dim_index)))
allocate (temp_FF_emission_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index)))
allocate (angle_diff(integral_subgrid_dim(x_dim_index),integral_subgrid_dim(y_dim_index)))
if (trace_emissions_from_in_region) then
allocate(subgrid_from_in_region_new(subgrid_dim(x_dim_index),subgrid_dim(y_dim_index),n_pollutant_loop))
subgrid_from_in_region_new=0.
endif
temp_subgrid=0.
temp_emission_subgrid=0.
temp_FF_subgrid=0.
temp_FF_emission_subgrid=0.
angle_diff=0.
!Set the x and y position limits to coincide to half the EMEP grid (refered here as lon and lat but can be also LCC projection) times the number of grids
xpos_limit=dgrid_nc(lon_nc_index)/2.*EMEP_grid_interpolation_size*local_fraction_grid_size_scaling
ypos_limit=dgrid_nc(lat_nc_index)/2.*EMEP_grid_interpolation_size*local_fraction_grid_size_scaling
xpos_limit2=dgrid_nc(lon_nc_index)/2.
ypos_limit2=dgrid_nc(lat_nc_index)/2.
!write(unit_logfile,'(A,2f12.2)') 'xpos_limit and ypos_limit: ',xpos_limit,ypos_limit
!Minimum distance for travel time calculation set to half of a grid diagonal weighted so the circle has the same area as the square with that diagonal
distance_subgrid_min=sqrt(subgrid_delta(x_dim_index)*subgrid_delta(x_dim_index)+subgrid_delta(y_dim_index)*subgrid_delta(y_dim_index))/2./sqrt(2.)*4./3.14159
!Minimum distance for dispersion set to half of an emission grid diagonal weighted so the circle has the same area as the square with that diagonal
distance_emission_subgrid_min=sqrt(emission_subgrid_delta(x_dim_index,source_index)*emission_subgrid_delta(x_dim_index,source_index) &
+emission_subgrid_delta(y_dim_index,source_index)*emission_subgrid_delta(y_dim_index,source_index))/2./sqrt(2.)*4./3.14159
do subsource_index=1,n_subsource(source_index)
!Do not use target subgrid if the grid is auto selected
!if (emission_subgrid_delta(x_dim_index,source_index).le.subgrid_delta(x_dim_index).or. &
if (use_emission_positions_for_auto_subgrid_flag(source_index)) then
!If auto positions using emissions for that source then do not use the interpolation target grid
use_target_subgrid=.false.
write(unit_logfile,*) 'Using auto subgrid for source ',trim(source_file_str(source_index))
elseif (emission_subgrid_delta(x_dim_index,source_index).le.subgrid_delta(x_dim_index)) then
!If the subgrid emissions are less than or equal to the dispersion grid then do not use the target interpolation grid
!No matter what auto subgrid is used
use_target_subgrid=.false.
else
!Use the target subgrid even when the other auto subgrids are on. Slows it down but is necessary to get the right interpolation
!(use_population_positions_for_auto_subgrid_flag.or.use_receptor_positions_for_auto_subgrid_flag)
use_target_subgrid=.true.
endif
if (use_target_subgrid) then
write(unit_logfile,*) 'Using emission subgrid with interpolation for source ',trim(source_file_str(source_index))
else
write(unit_logfile,*) 'Using normal subgrid with no interpolation for source ',trim(source_file_str(source_index))
endif
call uEMEP_set_dispersion_params_simple(source_index,subsource_index)
!Set local dispersion parameters to be used only in the annual calculation, overwritten in the hourly files
ay_loc=ay(source_index,subsource_index)
by_loc=by(source_index,subsource_index)
az_loc=az(source_index,subsource_index)
bz_loc=bz(source_index,subsource_index)
sig_y_00_loc=sig_y_00(source_index,subsource_index)
sig_z_00_loc=sig_z_00(source_index,subsource_index)
h_emis_loc=h_emis(source_index,subsource_index)
z_rec_loc=z_rec(source_index,subsource_index)
write(unit_logfile,'(a,i3)')'Calculating proxy concentration data for '//trim(source_file_str(source_index))//' with subsource index ',subsource_index
!Set up a target grid that matches the emissions grid and is just slightly bigger than it
!Find the grid index it belongs to
if (use_target_subgrid) then
temp_target_subgrid_dim_min(x_dim_index)=-1+1+floor((subgrid_min(x_dim_index)-emission_subgrid_min(x_dim_index,source_index))/emission_subgrid_delta(x_dim_index,source_index))
temp_target_subgrid_dim_min(y_dim_index)=-1+1+floor((subgrid_min(y_dim_index)-emission_subgrid_min(y_dim_index,source_index))/emission_subgrid_delta(y_dim_index,source_index))
temp_target_subgrid_dim_max(x_dim_index)=+1+1+ceiling((subgrid_max(x_dim_index)-emission_subgrid_min(x_dim_index,source_index))/emission_subgrid_delta(x_dim_index,source_index))
temp_target_subgrid_dim_max(y_dim_index)=+1+1+ceiling((subgrid_max(y_dim_index)-emission_subgrid_min(y_dim_index,source_index))/emission_subgrid_delta(y_dim_index,source_index))
temp_target_subgrid_dim_length(x_dim_index)=temp_target_subgrid_dim_max(x_dim_index)-temp_target_subgrid_dim_min(x_dim_index)+1
temp_target_subgrid_dim_length(y_dim_index)=temp_target_subgrid_dim_max(y_dim_index)-temp_target_subgrid_dim_min(y_dim_index)+1
temp_target_subgrid_delta(x_dim_index)=emission_subgrid_delta(x_dim_index,source_index)
temp_target_subgrid_delta(y_dim_index)=emission_subgrid_delta(y_dim_index,source_index)
!Reallocate internal target arrays for each source
if (allocated(temp_target_subgrid)) deallocate (temp_target_subgrid)
if (allocated(x_target_subgrid)) deallocate (x_target_subgrid)
if (allocated(y_target_subgrid)) deallocate (y_target_subgrid)
if (allocated(traveltime_temp_target_subgrid)) deallocate (traveltime_temp_target_subgrid)
if (.not.allocated(temp_target_subgrid)) allocate (temp_target_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),n_pollutant_loop))
if (.not.allocated(traveltime_temp_target_subgrid)) allocate (traveltime_temp_target_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),2,n_pollutant_loop))
if (.not.allocated(x_target_subgrid)) allocate (x_target_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index)))
if (.not.allocated(y_target_subgrid)) allocate (y_target_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index)))
x_target_subgrid(:,:)=x_emission_subgrid(:,:,source_index)
y_target_subgrid(:,:)=y_emission_subgrid(:,:,source_index)
if (trace_emissions_from_in_region) then
if (allocated(temp_target_subgrid_per_source_region)) deallocate(temp_target_subgrid_per_source_region)
allocate(temp_target_subgrid_per_source_region(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),n_pollutant_loop,n_regions))
endif
endif
!Set the start and end times of the loop
t_start=1
t_end=subgrid_dim(t_dim_index)
!Loop through the time
do tt=t_start,t_end
subgrid(:,:,tt,proxy_subgrid_index,source_index,:)=0.
if (use_target_subgrid) temp_target_subgrid=0.
if (use_target_subgrid) traveltime_temp_target_subgrid=0.
if (trace_emissions_from_in_region) then
temp_target_subgrid_per_source_region=0.
endif
!Set a temporary emission array
temp_emission_subgrid=emission_subgrid(:,:,tt,source_index,:)
temp_subgrid=0.
temp_FF_subgrid=0.
!diagnostic_subgrid=0.
if (trace_emissions_from_in_region) then
subgrid_from_in_region_new=0.
endif
if (calculate_deposition_flag) then
subgrid(:,:,tt,drydepo_local_subgrid_index,source_index,:)=0.
subgrid(:,:,tt,wetdepo_local_subgrid_index,source_index,:)=0.
endif
!Set the last meteo data subgrid in the case when the internal time loop is used
if (.not.use_single_time_loop_flag) then
if (tt.gt.t_start) then
last_meteo_subgrid(:,:,:)=meteo_subgrid(:,:,tt-1,:)
else
last_meteo_subgrid(:,:,:)=meteo_subgrid(:,:,tt,:)
endif
endif
!Precalculate information for the trajectory model
!Maxium number of trajectory steps and size of steps based on the integral (meteorology) loop size
if (use_trajectory_flag(source_index)) then
traj_step_size=min(integral_subgrid_delta(x_dim_index),integral_subgrid_delta(y_dim_index))*traj_step_scale
traj_max_index=floor(max(integral_subgrid_loop_index(x_dim_index),integral_subgrid_loop_index(y_dim_index))/traj_step_scale)
if (tt.eq.t_start) write(unit_logfile,'(a,f12.1,i)') 'Trajectory step (m) and dimensions: ', traj_step_size, traj_max_index
if (.not.allocated(trajectory_subgrid)) allocate(trajectory_subgrid(emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),traj_max_index,2))
trajectory_subgrid=NODATA_value
!Loop through the emissions and create trajectories for all emissions source grids
do j=1,emission_subgrid_dim(y_dim_index,source_index)
do i=1,emission_subgrid_dim(x_dim_index,source_index)
if (sum(temp_emission_subgrid(i,j,:)).ne.0) then
call uEMEP_calculate_all_trajectory(x_emission_subgrid(i,j,source_index),y_emission_subgrid(i,j,source_index),tt, &
traj_max_index,traj_step_size,trajectory_subgrid(i,j,:,x_dim_index),trajectory_subgrid(i,j,:,y_dim_index))
endif
enddo
enddo
endif
!Create a temporary wind speed subgrid for each hour
temp_FF_subgrid=0.
do j_cross=1,integral_subgrid_dim(y_dim_index)
do i_cross=1,integral_subgrid_dim(x_dim_index)
z0_temp=exp(meteo_subgrid(i_cross,j_cross,tt,logz0_subgrid_index))
h_temp=h_emis(source_index,subsource_index)
!if (source_index.eq.industry_index) then
! write(*,*) z0_temp,h_temp,1./meteo_subgrid(i_cross,j_cross,tt,inv_FFgrid_subgrid_index),H_meteo
! stop
!endif
if (annual_calculations.and.wind_level_flag.eq.1) then
temp_FF_subgrid(i_cross,j_cross)=1./meteo_subgrid(i_cross,j_cross,tt,inv_FFgrid_subgrid_index)
elseif (annual_calculations.and.wind_level_flag.eq.2) then
temp_FF_subgrid(i_cross,j_cross)=1./meteo_subgrid(i_cross,j_cross,tt,inv_FFgrid_subgrid_index)*(1.-(log((H_meteo+z0_temp)/z0_temp)-log((h_temp+z0_temp)/z0_temp))/log((H_meteo+z0_temp)/z0_temp))
elseif (annual_calculations.and.wind_level_flag.eq.3) then
temp_FF_subgrid(i_cross,j_cross)=1./meteo_subgrid(i_cross,j_cross,tt,inv_FF10_subgrid_index)
elseif (annual_calculations.and.wind_level_flag.eq.4) then
temp_FF_subgrid(i_cross,j_cross)=1./meteo_subgrid(i_cross,j_cross,tt,inv_FF10_subgrid_index)*(1.-(log((10.+z0_temp)/z0_temp)-log((h_temp+z0_temp)/z0_temp))/log((10.+z0_temp)/z0_temp))
elseif (hourly_calculations.and.wind_level_flag.eq.1) then
temp_FF_subgrid(i_cross,j_cross)=meteo_subgrid(i_cross,j_cross,tt,FFgrid_subgrid_index)
elseif (hourly_calculations.and.wind_level_flag.eq.2) then
temp_FF_subgrid(i_cross,j_cross)=meteo_subgrid(i_cross,j_cross,tt,FFgrid_subgrid_index)*(1.-(log((H_meteo+z0_temp)/z0_temp)-log((h_temp+z0_temp)/z0_temp))/log((H_meteo+z0_temp)/z0_temp))
elseif (hourly_calculations.and.wind_level_flag.eq.3) then
temp_FF_subgrid(i_cross,j_cross)=meteo_subgrid(i_cross,j_cross,tt,FF10_subgrid_index)
elseif (hourly_calculations.and.wind_level_flag.eq.4) then
temp_FF_subgrid(i_cross,j_cross)=meteo_subgrid(i_cross,j_cross,tt,FF10_subgrid_index)*(1.-(log((10.+z0_temp)/z0_temp)-log((h_temp+z0_temp)/z0_temp))/log((10.+z0_temp)/z0_temp))
elseif (wind_level_flag.eq.0) then
temp_FF_subgrid(i_cross,j_cross)=1.
elseif (wind_level_flag.eq.5) then
!Will set based on sigma z centre of mass
temp_FF_subgrid(i_cross,j_cross)=1.
elseif (wind_level_flag.eq.6) then
!Will set based on sigma z centre of mass and emission height
temp_FF_subgrid(i_cross,j_cross)=1.
else
write(unit_logfile,'(a)') 'No valid wind_level_flag selected. Stopping (uEMEP_subgrid_dispersion)'
stop
endif
!Setting a minimum value for wind for dispersion purposes (cannot be zero)
temp_FF_subgrid(i_cross,j_cross)=sqrt(temp_FF_subgrid(i_cross,j_cross)*temp_FF_subgrid(i_cross,j_cross)+FF_min_dispersion*FF_min_dispersion)
if (temp_FF_subgrid(i_cross,j_cross).eq.0) then
write(unit_logfile,'(a,2i)') 'Zero wind speed at integral grid (stopping): ',i_cross,j_cross
stop
endif
!Finds the angle difference between the current and last meteo field for dispersion and implements meandering if selected
if (hourly_calculations) then
call delta_wind_direction (i_cross,j_cross,tt,meteo_subgrid(i_cross,j_cross,tt,FF10_subgrid_index),angle_diff(i_cross,j_cross))
else
angle_diff(i_cross,j_cross)=0.
endif
enddo
enddo
!If wind level flag is set to 5, use of initial plume centre of mass, then set wind speed for each non-zero emission grid
if (wind_level_flag.eq.5) then
temp_FF_emission_subgrid=0.
do jj=1,emission_subgrid_dim(y_dim_index,source_index)
do ii=1,emission_subgrid_dim(x_dim_index,source_index)
if (sum(temp_emission_subgrid(ii,jj,:)).ne.0) then
!Set the integral meteorological grid position for the emission position
i_cross_integral=crossreference_emission_to_integral_subgrid(ii,jj,x_dim_index,source_index)
j_cross_integral=crossreference_emission_to_integral_subgrid(ii,jj,y_dim_index,source_index)
!Set the local variables
logz0_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,logz0_subgrid_index)
FF10_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,FF10_subgrid_index)
sig_y_00_loc=emission_properties_subgrid(ii,jj,emission_sigy00_index,source_index)
sig_z_00_loc=emission_properties_subgrid(ii,jj,emission_sigz00_index,source_index)
h_emis_loc=emission_properties_subgrid(ii,jj,emission_h_index,source_index)
h_mix_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,hmix_subgrid_index)
if (annual_calculations) then
FF10_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FF10_subgrid_index)
endif
!Set sig_0's at the emission position
x_loc=0.
call uEMEP_set_dispersion_sigma_simple(sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
!Use the initial plume centre of mass to determine wind advection height
call z_centremass_gauss_func(sig_z_0_loc,h_emis_loc,h_mix_loc,zc_loc)
call u_profile_neutral_val_func(zc_loc,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF_loc,u_star0_loc)
!Set a minimum wind speed based on traffic (if use_traffic_for_minFF_flag=T)
! FF_loc=sqrt(FF_loc*FF_loc+emission_properties_subgrid(ii,jj,emission_minFF_index,source_index,subsource_index)*emission_properties_subgrid(ii,jj,emission_minFF_index,source_index,subsource_index))
!Set the minimum wind speed
FF_loc=sqrt(FF_loc*FF_loc+FF_min_dispersion*FF_min_dispersion)
temp_FF_emission_subgrid(ii,jj)=FF_loc
!write(*,*) FF10_loc,FF_loc,zc_loc,sig_z_0_loc
endif
enddo
enddo
endif
!Loop through the target grid
if (use_target_subgrid) then
j_target_start=temp_target_subgrid_dim_min(y_dim_index);j_target_end=temp_target_subgrid_dim_max(y_dim_index)
i_target_start=temp_target_subgrid_dim_min(x_dim_index);i_target_end=temp_target_subgrid_dim_max(x_dim_index)
else
j_target_start=1;j_target_end=subgrid_dim(y_dim_index)
i_target_start=1;i_target_end=subgrid_dim(x_dim_index)
endif
!write(*,*) i_target_start,i_target_end,j_target_start,j_target_end
do j=j_target_start,j_target_end
do i=i_target_start,i_target_end
!do j=1,subgrid_dim(y_dim_index)
!do i=1,subgrid_dim(x_dim_index)
!Only use those that are marked for use
if (use_target_subgrid) then
!Always use the grids because they cannot be tested
temp_use_subgrid=.true.
else
temp_use_subgrid=use_subgrid(i,j,source_index)
endif
if (temp_use_subgrid) then
!Set the position of the target grid in terms of the EMEP projection
if (use_target_subgrid) then
xpos_subgrid=xproj_emission_subgrid(i,j,source_index)
ypos_subgrid=yproj_emission_subgrid(i,j,source_index)
else
xpos_subgrid=xproj_subgrid(i,j)
ypos_subgrid=yproj_subgrid(i,j)
endif
!Find the cross reference to the emission grid from the target grid
if (use_target_subgrid) then
i_cross=i
j_cross=j
else
i_cross=crossreference_target_to_emission_subgrid(i,j,x_dim_index,source_index)
j_cross=crossreference_target_to_emission_subgrid(i,j,y_dim_index,source_index)
endif
!Find the cross reference for the meteo grid at the target grid
if (use_target_subgrid) then
i_cross_target_integral=crossreference_emission_to_integral_subgrid(i,j,x_dim_index,source_index)
j_cross_target_integral=crossreference_emission_to_integral_subgrid(i,j,y_dim_index,source_index)
else
i_cross_target_integral=crossreference_target_to_integral_subgrid(i,j,x_dim_index)
j_cross_target_integral=crossreference_target_to_integral_subgrid(i,j,y_dim_index)
endif
!Set the travel time integral values to 0
time_weight(tt,:)=0.
time_total(tt,:)=0.
!Use the wind direction to move the target area downwind. To reduce the search loop
if (use_downwind_position_flag.and.hourly_calculations) then
!Set the emission grid loop region based on the downwind position
x_downwind=max(-1.,min(1.,meteo_subgrid(i_cross_target_integral,j_cross_target_integral,tt,cos_subgrid_index)*sqrt(2.)))
y_downwind=max(-1.,min(1.,meteo_subgrid(i_cross_target_integral,j_cross_target_integral,tt,sin_subgrid_index)*sqrt(2.)))
i_end=min(ceiling(i_cross+1+(1.-x_downwind)*emission_subgrid_loop_index(x_dim_index,source_index)),emission_subgrid_dim(x_dim_index,source_index))
i_start=max(floor(i_cross-1-(1.+x_downwind)*emission_subgrid_loop_index(x_dim_index,source_index)),1)
j_end=min(ceiling(j_cross+1+(1.-y_downwind)*emission_subgrid_loop_index(y_dim_index,source_index)),emission_subgrid_dim(y_dim_index,source_index))
j_start=max(floor(j_cross-1-(1.+y_downwind)*emission_subgrid_loop_index(y_dim_index,source_index)),1)
!Set the EMEP projection limits to include the upwind source region
xpos_area_max=xpos_subgrid+(1.-x_downwind)*xpos_limit/2.+emission_subgrid_dim(x_dim_index,source_index)
xpos_area_min=xpos_subgrid-(1.+x_downwind)*xpos_limit/2.-emission_subgrid_dim(x_dim_index,source_index)
ypos_area_max=ypos_subgrid+(1.-y_downwind)*ypos_limit/2.+emission_subgrid_dim(y_dim_index,source_index)
ypos_area_min=ypos_subgrid-(1.+y_downwind)*ypos_limit/2.-emission_subgrid_dim(y_dim_index,source_index)
else
!Set the size of the loop region around the target cell to be up to subgrid_loop_index
i_start=max(1,i_cross-emission_subgrid_loop_index(x_dim_index,source_index))
i_end=min(emission_subgrid_dim(x_dim_index,source_index),i_cross+emission_subgrid_loop_index(x_dim_index,source_index))
j_start=max(1,j_cross-emission_subgrid_loop_index(y_dim_index,source_index))
j_end=min(emission_subgrid_dim(y_dim_index,source_index),j_cross+emission_subgrid_loop_index(y_dim_index,source_index))
!Set the emission limits (EMEP projection ) surrounding the target grid
xpos_area_max=xpos_subgrid+xpos_limit
xpos_area_min=xpos_subgrid-xpos_limit
ypos_area_max=ypos_subgrid+ypos_limit
ypos_area_min=ypos_subgrid-ypos_limit
endif
!Limit the region. This will still allow a contribution from half an EMEP grid away
if (limit_emep_grid_interpolation_region_to_calculation_region) then
xpos_area_min=max(xpos_area_min,subgrid_proj_min(x_dim_index)-xpos_limit2)
xpos_area_max=min(xpos_area_max,subgrid_proj_max(x_dim_index)+xpos_limit2)
ypos_area_min=max(ypos_area_min,subgrid_proj_min(y_dim_index)-ypos_limit2)
ypos_area_max=min(ypos_area_max,subgrid_proj_max(y_dim_index)+ypos_limit2)
endif
!Loop through emission sub_grids in the nearby region
do jj=j_start,j_end
do ii=i_start,i_end
!Only non zero emissions to be calculated
if (sum(temp_emission_subgrid(ii,jj,:)).ne.0) then
!Set the EMEP projection position of the emission grid
xpos_emission_subgrid=xproj_emission_subgrid(ii,jj,source_index)
ypos_emission_subgrid=yproj_emission_subgrid(ii,jj,source_index)
!Select only emissions within the predefined region
if (xpos_emission_subgrid.ge.xpos_area_min.and.xpos_emission_subgrid.le.xpos_area_max &
.and.ypos_emission_subgrid.ge.ypos_area_min.and.ypos_emission_subgrid.le.ypos_area_max) then
!Set the integral meteorological grid position for the emission position
i_cross_integral=crossreference_emission_to_integral_subgrid(ii,jj,x_dim_index,source_index)
j_cross_integral=crossreference_emission_to_integral_subgrid(ii,jj,y_dim_index,source_index)
i_cross_integral=min(max(1,i_cross_integral),integral_subgrid_dim(x_dim_index))
j_cross_integral=min(max(1,j_cross_integral),integral_subgrid_dim(y_dim_index))
if (hourly_calculations) then
if (use_trajectory_flag(source_index)) then
!Calculate the minimum distance to the trajectory. Time consuming
if (use_target_subgrid) then
call uEMEP_minimum_distance_trajectory_fast(x_target_subgrid(i,j),y_target_subgrid(i,j), &
traj_max_index,traj_step_size,trajectory_subgrid(ii,jj,:,x_dim_index),trajectory_subgrid(ii,jj,:,y_dim_index),x_loc,y_loc,valid_traj)
else
call uEMEP_minimum_distance_trajectory_fast(x_subgrid(i,j),y_subgrid(i,j), &
traj_max_index,traj_step_size,trajectory_subgrid(ii,jj,:,x_dim_index),trajectory_subgrid(ii,jj,:,y_dim_index),x_loc,y_loc,valid_traj)
endif
else
!Set the local wind cos and sin values
cos_subgrid_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,cos_subgrid_index)
sin_subgrid_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,sin_subgrid_index)
!Determine the rotated position along wind values
if (use_target_subgrid) then
x_loc=(x_target_subgrid(i,j)-x_emission_subgrid(ii,jj,source_index))*cos_subgrid_loc+(y_target_subgrid(i,j)-y_emission_subgrid(ii,jj,source_index))*sin_subgrid_loc
y_loc=-(x_target_subgrid(i,j)-x_emission_subgrid(ii,jj,source_index))*sin_subgrid_loc+(y_target_subgrid(i,j)-y_emission_subgrid(ii,jj,source_index))*cos_subgrid_loc
else
x_loc=(x_subgrid(i,j)-x_emission_subgrid(ii,jj,source_index))*cos_subgrid_loc+(y_subgrid(i,j)-y_emission_subgrid(ii,jj,source_index))*sin_subgrid_loc
y_loc=-(x_subgrid(i,j)-x_emission_subgrid(ii,jj,source_index))*sin_subgrid_loc+(y_subgrid(i,j)-y_emission_subgrid(ii,jj,source_index))*cos_subgrid_loc
endif
!write(*,*) x_loc,x_subgrid(i,j)-x_emission_subgrid(ii,jj,source_index),y_subgrid(i,j)-y_emission_subgrid(ii,jj,source_index)
!If x is downwind then it is valid
if (x_loc.ge.0.) then
valid_traj=.true.
else
valid_traj=.false.
endif
endif
!Calculate dispersion
if (valid_traj) then
!Set the mixing height at the average of the emission and target position
h_mix_loc=(meteo_subgrid(i_cross_integral,j_cross_integral,tt,hmix_subgrid_index)+meteo_subgrid(i_cross_target_integral,j_cross_target_integral,tt,hmix_subgrid_index))/2.
!Set the local wind speed and other parameters at emission position
FF_loc=temp_FF_subgrid(i_cross_integral,j_cross_integral)
!L_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,invL_subgrid_index)
invL_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,invL_subgrid_index)
FFgrid_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,FFgrid_subgrid_index)
logz0_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,logz0_subgrid_index)
!u_star0_loc=max(meteo_subgrid(i_cross_integral,j_cross_integral,tt,ustar_subgrid_index),ustar_min)
FF10_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,FF10_subgrid_index)
sig_y_00_loc=emission_properties_subgrid(ii,jj,emission_sigy00_index,source_index)
sig_z_00_loc=emission_properties_subgrid(ii,jj,emission_sigz00_index,source_index)
h_emis_loc=emission_properties_subgrid(ii,jj,emission_h_index,source_index)
!Set ustar 0 to be consistent with FF10 and z0
call u_profile_neutral_val_func(10.,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF10_loc,u_star0_loc)
u_star0_loc=max(u_star0_loc,ustar_min)
if (wind_level_flag.eq.5.or.wind_level_flag.eq.6) then
FF_loc=temp_FF_emission_subgrid(ii,jj)
endif
!Select method for assigning sigma
if (stability_scheme_flag.eq.1) then
call uEMEP_set_dispersion_sigma_simple(sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
endif
!Make the wind level to be at emission height for emissions greater than 10 m, if meteoflag 1 or 3 is called
h_temp=h_emis_loc
if (wind_level_flag.eq.2.or.(h_temp.gt.H_meteo.and.wind_level_flag.eq.1)) then
FFgrid_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,FFgrid_subgrid_index)
call u_profile_neutral_val_func(h_temp,FFgrid_loc,H_meteo,h_mix_loc,exp(logz0_loc),FF_loc,u_star0_loc)
endif
if (wind_level_flag.eq.4.or.(h_temp.gt.10.and.wind_level_flag.eq.3)) then
FF10_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,FF10_subgrid_index)
call u_profile_neutral_val_func(h_temp,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF_loc,u_star0_loc)
endif
if (stability_scheme_flag.eq.2) then
call uEMEP_set_dispersion_params_PG(invL_loc,source_index,subsource_index)
ay_loc=ay(source_index,subsource_index)
by_loc=by(source_index,subsource_index)
az_loc=az(source_index,subsource_index)
bz_loc=bz(source_index,subsource_index)
call uEMEP_set_dispersion_sigma_PG(invL_loc,logz0_loc,sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
endif
if (stability_scheme_flag.eq.3) then
!Need to make 10 m winds if they are not selected by the wind_level_flag. and do not exist is not included any more
if (hourly_calculations.and.(wind_level_flag.eq.1.or.wind_level_flag.eq.2)) then
call u_profile_neutral_val_func(10.,meteo_subgrid(i_cross_integral,j_cross_integral,tt,FFgrid_subgrid_index),H_meteo,h_mix_loc,exp(logz0_loc),FF10_loc,u_star0_loc)
endif
!Set initial values for sigma. Initial sig_y is set here as well but is overridden by Kz dispersion
call uEMEP_set_dispersion_sigma_simple(sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
!call uEMEP_set_dispersion_sigma_Kz_emulator(h_emis_loc,invL_loc,logz0_loc,h_mix_loc,sig_z_00_loc,sig_y_00_loc,emission_subgrid_delta(:,source_index),0.,x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
!write(*,*) 'H0: ',sig_z_loc
call uEMEP_set_dispersion_sigma_Kz(Kz_scheme,x_loc,sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,sig_z_loc,h_emis_loc,h_mix_loc,invL_loc,FF10_loc,10.,logz0_loc,emission_subgrid_delta(:,source_index),u_star0_loc,average_zc_h_in_Kz_flag,n_kz_iterations,sig_y_scaling_factor,sig_z_loc,sig_y_loc,FF_zc_loc)
!write(*,*) 'H1: ',sig_z_loc
!Add the meandering and change in wind angle to the plume since not included in Kz calculation
sig_y_loc=sig_y_loc+x_loc*angle_diff(i_cross_integral,j_cross_integral)
!Use the average of the emision height and zc to determine wind speed. Is true if wind_level_flag=6 or if wind_level_zc_flag is true then it will do this for all other types of wind flags as well
if (wind_level_flag.eq.6.or.wind_level_zc_flag) then
!FF_loc=FF_zc_loc
!Set the minimum wind speed
FF_loc=sqrt(FF_zc_loc*FF_zc_loc+FF_min_dispersion*FF_min_dispersion)
endif
endif
if (stability_scheme_flag.eq.4) then
call uEMEP_set_dispersion_sigma_Kz_emulator(h_emis_loc,invL_loc,logz0_loc,h_mix_loc,sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
endif
!Adjust the height of the wind to the average of the emission and plume centre of mass height.
!This is already the case in the Kz calculation so not repeated here.
if (wind_level_flag.eq.6.and.stability_scheme_flag.ne.3) then
!if (wind_level_flag.eq.6) then
call z_centremass_gauss_func(sig_z_loc,h_emis_loc,h_mix_loc,zc_loc)
zc_loc=(h_emis_loc+zc_loc)/2.
call u_profile_neutral_val_func(zc_loc,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF_zc_loc,u_star0_loc)
FF_loc=sqrt(FF_zc_loc*FF_zc_loc+FF_min_dispersion*FF_min_dispersion)
endif
!Calculate the dispersion
temp_subgrid_internal=gauss_plume_cartesian_sigma_func(x_loc,y_loc,h_emis_loc,z_rec_loc,sig_z_loc,sig_y_loc,h_mix_loc,FF_loc)
!if (ii.eq.i_cross.and.jj.eq.j_cross) write(*,'(10es12.2)') x_loc,y_loc,h_emis_loc,z_rec_loc,sig_z_loc,sig_y_loc,h_mix_loc,FF_loc,temp_subgrid_internal,temp_emission_subgrid(ii,jj,1)
!if (tt.ge.18.and.tt.le.18.and.temp_subgrid_internal.gt.1.e-3) then
!write(*,'(2i,12es12.2)') ii,jj,x_loc,y_loc,h_emis_loc,z_rec_loc,sig_z_loc,sig_y_loc,h_mix_loc,FF_loc,temp_emission_subgrid(ii,jj,1),temp_subgrid_internal,sin_subgrid_loc,cos_subgrid_loc
!endif
!if (source_index.eq.traffic_index.and.x_loc.eq.0) write(*,'(16es12.2)') sigy_0_subgid_width_scale,x_loc,z_rec_loc,ay_loc,by_loc,az_loc,bz_loc,sig_y_00_loc,sig_z_00_loc,sig_y_0_loc,sig_z_0_loc,sig_y_loc,sig_z_loc,h_emis_loc,FF_loc,meteo_subgrid(i_cross_integral,j_cross_integral,tt,FF10_subgrid_index)
!For diagnostics only!!
!diagnostic_subgrid(i,j,1)=diagnostic_subgrid(i,j,1)+temp_subgrid_internal
!diagnostic_subgrid(i,j,2)=diagnostic_subgrid(i,j,2)+temp_emission_subgrid(ii,jj,1)
do i_pollutant=1,n_pollutant_loop
!Multiply by the emission factor
temp_subgrid_internal_pollutant(i_pollutant)=temp_subgrid_internal*temp_emission_subgrid(ii,jj,i_pollutant)
!Add to the receptor subgrid position
if (use_target_subgrid) then
temp_target_subgrid(i,j,i_pollutant)=temp_target_subgrid(i,j,i_pollutant)+temp_subgrid_internal_pollutant(i_pollutant)
else
temp_subgrid(i,j,i_pollutant)=temp_subgrid(i,j,i_pollutant)+temp_subgrid_internal_pollutant(i_pollutant)
endif
if (trace_emissions_from_in_region) then
! New version of in-region calculations: allowing target region to vary with the target grid
! ****************
emission_region_index = emission_subgrid_region_index(ii,jj,source_index)
if (use_target_subgrid) then
! one temp_target_subgrid may contain multiple regions in the finer resolution, so we must store results in a per-region array
! -> add this contribution to the region index that matches the current emission grid
if (emission_region_index > 0) then
i_region = regionindex_loop_back_index(emission_region_index)
if (i_region > 0) then
temp_target_subgrid_per_source_region(i,j,i_pollutant,i_region) = temp_target_subgrid_per_source_region(i,j,i_pollutant,i_region) + temp_subgrid_internal_pollutant(i_pollutant)
end if
end if
else
! dispersion calculation is done directly on the fine-resolution target grid, so there is only one target region
! -> we can directly check if the target subgrid region ID matches the current emission grid region ID
if (emission_region_index > 0 .and. emission_region_index == subgrid_region_index(i,j)) then
subgrid_from_in_region_new(i,j,i_pollutant) = subgrid_from_in_region_new(i,j,i_pollutant) + temp_subgrid_internal_pollutant(i_pollutant)
end if
end if
! ************************
endif
enddo
!Determine the distance for the travel time calculation
if (use_straightline_traveltime_distance) then
distance_subgrid=x_loc
else
distance_subgrid=sqrt(x_loc*x_loc+y_loc*y_loc)
endif
else
temp_subgrid_internal=0.
temp_subgrid_internal_pollutant=0.
endif
!Calculate weighted time based on the selected temp_FF_subgrid wind level
if (temp_subgrid_internal.gt.0) then
distance_subgrid=max(distance_subgrid,distance_subgrid_min)
!Alternative heavier weighting to higher concentrations (pollutant^2). Not in deposition_dispersion routine
if (use_alternative_traveltime_weighting) then
time_weight(tt,:)=time_weight(tt,:)+distance_subgrid/FF_loc*temp_subgrid_internal_pollutant**traveltime_power
time_total(tt,:)=time_total(tt,:)+temp_subgrid_internal_pollutant**traveltime_power
else
!Take weighted average (weighted by concentration) of the time
time_weight(tt,:)=time_weight(tt,:)+distance_subgrid/FF_loc*temp_subgrid_internal_pollutant
!Calculate sum of the concentration for normalisation
time_total(tt,:)=time_total(tt,:)+temp_subgrid_internal_pollutant
endif
endif
else
!Annual calculations
sig_y_00_loc=emission_properties_subgrid(ii,jj,emission_sigy00_index,source_index)
sig_z_00_loc=emission_properties_subgrid(ii,jj,emission_sigz00_index,source_index)
h_emis_loc=emission_properties_subgrid(ii,jj,emission_h_index,source_index)
h_mix_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,hmix_subgrid_index)
invL_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,invL_subgrid_index)
logz0_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,logz0_subgrid_index)
u_star0_loc=max(meteo_subgrid(i_cross_integral,j_cross_integral,tt,ustar_subgrid_index),ustar_min)
!FF10_loc=meteo_subgrid(i_cross_integral,j_cross_integral,tt,FF10_subgrid_index)
FF10_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FF10_subgrid_index)
!Recalculate utar0 based on 10 m wind speed for consistency with current z0 and FF profile
call u_profile_neutral_val_func(10.,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF10_loc,u_star0_loc)
u_star0_loc=max(u_star0_loc,ustar_min)
!write(*,*) ii,jj,sig_y_00_loc,sig_z_00_loc
!If not hourly concentration then use the annual dispersion function
if (use_target_subgrid) then
distance_subgrid=sqrt((x_emission_subgrid(ii,jj,source_index)-x_target_subgrid(i,j))*(x_emission_subgrid(ii,jj,source_index)-x_target_subgrid(i,j)) &
+(y_emission_subgrid(ii,jj,source_index)-y_target_subgrid(i,j))*(y_emission_subgrid(ii,jj,source_index)-y_target_subgrid(i,j)))
else
distance_subgrid=sqrt((x_emission_subgrid(ii,jj,source_index)-x_subgrid(i,j))*(x_emission_subgrid(ii,jj,source_index)-x_subgrid(i,j)) &
+(y_emission_subgrid(ii,jj,source_index)-y_subgrid(i,j))*(y_emission_subgrid(ii,jj,source_index)-y_subgrid(i,j)))
endif
!Set the simple as default at the receptor grid
x_loc=distance_subgrid
call uEMEP_set_dispersion_sigma_simple(sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
!Select method for assigning sigma
if (stability_scheme_flag.eq.1) then
!These are already set at the start as the default
!call uEMEP_set_dispersion_params_simple(source_index,subsource_index)
!call uEMEP_set_dispersion_sigma_simple(sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
endif
if (stability_scheme_flag.eq.2) then
call uEMEP_set_dispersion_params_PG(invL_loc,source_index,subsource_index)
ay_loc=ay(source_index,subsource_index)
by_loc=by(source_index,subsource_index)
az_loc=az(source_index,subsource_index)
bz_loc=bz(source_index,subsource_index)
!call uEMEP_set_dispersion_sigma_PG(invL_loc,logz0_loc,sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
endif
if (stability_scheme_flag.eq.3) then
!Fit the Kz curve at 100 and 2000 m to get an estimate of sigma that can be used in the calculations
!Set sig z,y 00 and sig z,y 0 to 0 for the fitting
x_loc_fit(1)=100.
x_loc_fit(2)=2000.
do f_loop=1,2
!Set initial values for sigma. Initial sig_y is set here as well but is overridden by Kz dispersion
call uEMEP_set_dispersion_sigma_simple(0.,0.,0.,emission_subgrid_delta(:,source_index)*0.,angle_diff(i_cross_integral,j_cross_integral)*0.,x_loc_fit(f_loop),sig_z_loc_fit(f_loop),sig_y_loc_fit(f_loop),sig_z_0_loc_fit,sig_y_0_loc_fit)
call uEMEP_set_dispersion_sigma_Kz(Kz_scheme,x_loc_fit(f_loop),0.,0.,0.,sig_z_loc_fit(f_loop),h_emis_loc,h_mix_loc,invL_loc,FF10_loc,10.,logz0_loc,emission_subgrid_delta(:,source_index)*0.,u_star0_loc,average_zc_h_in_Kz_flag,n_kz_iterations,sig_y_scaling_factor,sig_z_loc_fit(f_loop),sig_y_loc_fit(f_loop),FF_zc_loc_fit(f_loop))
enddo
!Fit
bz_loc_fit=(log(sig_z_loc_fit(2))-log(sig_z_loc_fit(1)))/(log(x_loc_fit(2))-log(x_loc_fit(1)))
az_loc_fit=exp(log(sig_z_loc_fit(1))-bz_loc_fit*log(x_loc_fit(1)))
by_loc_fit=(log(sig_y_loc_fit(2))-log(sig_y_loc_fit(1)))/(log(x_loc_fit(2))-log(x_loc_fit(1)))
ay_loc_fit=exp(log(sig_y_loc_fit(1))-by_loc_fit*log(x_loc_fit(1)))
ay_loc=ay_loc_fit
by_loc=by_loc_fit
az_loc=az_loc_fit
bz_loc=bz_loc_fit
!Having made the fit need also to calculate sig_z,y if wind flag 6 is used
if (wind_level_flag.eq.6) then
call uEMEP_set_dispersion_sigma_simple(sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc,sig_z_loc,sig_y_loc,sig_z_0_loc,sig_y_0_loc)
call uEMEP_set_dispersion_sigma_Kz(Kz_scheme,x_loc,sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,sig_z_loc,h_emis_loc,h_mix_loc,invL_loc,FF10_loc,10.,logz0_loc,emission_subgrid_delta(:,source_index),u_star0_loc,average_zc_h_in_Kz_flag,n_kz_iterations,sig_y_scaling_factor,sig_z_loc,sig_y_loc,FF_zc_loc)
!Use the average of the emision height and zc to determine wind speed. Is set to true if wind_level_flag=6
!FF_loc=FF_zc_loc
!Set the minimum wind speed
FF_loc=sqrt(FF_zc_loc*FF_zc_loc+FF_min_dispersion*FF_min_dispersion)
endif
!If this flag set then use the centre of mass wind speed no matter which wind flag is called
!This is actually overwritten to be the wind speed at the emission height in the next commands
if (wind_level_zc_flag) then
FF_loc=sqrt(FF_zc_loc*FF_zc_loc+FF_min_dispersion*FF_min_dispersion)
endif
endif
h_temp=h_emis_loc
if (wind_level_flag.eq.5.or.wind_level_zc_flag) then
FF_loc=temp_FF_emission_subgrid(ii,jj)
else
FF_loc=temp_FF_subgrid(i_cross_integral,j_cross_integral)
endif
!In the annual case then make the wind level to be at emission height for emissions greater than 10 m, if meteoflag 1 or 3 is called
if (wind_level_flag.eq.2.or.(h_temp.gt.H_meteo.and.wind_level_flag.eq.1)) then
!FF_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FFgrid_subgrid_index)*(1.-(log((H_meteo+z0_temp)/z0_temp)-log((h_temp+z0_temp)/z0_temp))/log((H_meteo+z0_temp)/z0_temp))
FFgrid_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FFgrid_subgrid_index)
call u_profile_neutral_val_func(h_temp,FFgrid_loc,H_meteo,h_mix_loc,exp(logz0_loc),FF_loc,u_star0_loc)
endif
if (wind_level_flag.eq.4.or.(h_temp.gt.10.and.wind_level_flag.eq.3)) then
!FF_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FF10_subgrid_index)*(1.-(log((10.+z0_temp)/z0_temp)-log((h_temp+z0_temp)/z0_temp))/log((10.+z0_temp)/z0_temp))
FF10_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FF10_subgrid_index)
call u_profile_neutral_val_func(h_temp,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF_loc,u_star0_loc)
endif
!if (source_index.eq.industry_index) write(*,'(5es12.2)') meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FFgrid_subgrid_index),H_meteo,z0_temp,h_temp,FF_loc
!if (source_index.eq.industry_index) write(*,'(6ES12.2)') sig_z_00_loc,sig_y_00_loc,sigy_0_subgid_width_scale,emission_subgrid_delta(:,source_index),angle_diff(i_cross_integral,j_cross_integral),x_loc
!if (source_index.eq.traffic_index.and.distance_subgrid.eq.0) write(*,'(16es12.2)') sigy_0_subgid_width_scale,distance_subgrid,z_rec_loc,ay_loc,by_loc,az_loc,bz_loc,sig_y_00_loc,sig_z_00_loc,sig_y_0_loc,sig_z_0_loc,sig_y_loc,sig_z_loc,h_emis_loc,FF_loc,1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FF10_subgrid_index)
!Divide by wind speed at receptor position
if (calc_grid_vertical_average_concentration_annual_flag) then
temp_subgrid_rotated=temp_emission_subgrid(ii,jj,:)*gauss_plume_second_order_rotated_reflected_integral_func(distance_subgrid,ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,h_emis_loc,h_mix_loc,0.,H_emep)
else
temp_subgrid_rotated=temp_emission_subgrid(ii,jj,:)*gauss_plume_second_order_rotated_reflected_func(distance_subgrid,z_rec_loc,ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,h_emis_loc,h_mix_loc)
endif
!If wind level flag is 6 in annual means then the average height is not calculated because a fit is used so valid for all stability types now
!Needs to be calculated after sig_z_loc is calculated
if (wind_level_flag.eq.6.or.wind_level_zc_flag) then
!if (wind_level_flag.eq.6.and.stability_scheme_flag.ne.3) then
FF10_loc=1./meteo_subgrid(i_cross_integral,j_cross_integral,tt,inv_FF10_subgrid_index)
call z_centremass_gauss_func(sig_z_loc,h_emis_loc,h_mix_loc,zc_loc)
zc_loc=(h_emis_loc+zc_loc)/2.
call u_profile_neutral_val_func(zc_loc,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF_zc_loc,u_star0_loc)
FF_loc=sqrt(FF_zc_loc*FF_zc_loc+FF_min_dispersion*FF_min_dispersion)
!write(*,'(2i,7es12.2)') ii,jj,zc_loc,FF10_loc,10.,h_mix_loc,exp(logz0_loc),FF_zc_loc,u_star0_loc
endif
!write(*,'(a,5f12.3)') 'INFO: ',h_mix_loc,invL_loc,exp(logz0_loc),FF_loc,u_star0_loc
!write(*,'(a,8f12.3)') 'Z and h:',x_loc,az_loc,bz_loc,sig_z_loc_fit(1),sig_z_loc_fit(2),sig_z_loc,h_emis_loc,zc_loc
!write(*,'(a,8f12.3)') 'Y and U:',x_loc,ay_loc,by_loc,sig_y_loc_fit(1),sig_y_loc_fit(2),sig_y_loc,FF10_loc,FF_loc
!write(*,'(11f12.3)') distance_subgrid,z_rec_loc,ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,h_emis_loc,h_mix_loc,FF_loc
!Add the wind to the calculation
temp_subgrid_rotated=temp_subgrid_rotated/FF_loc
!Changed from 00 to 0 in the sigmas
if (use_target_subgrid) then
temp_target_subgrid(i,j,:)=temp_target_subgrid(i,j,:) + temp_subgrid_rotated
else
temp_subgrid(i,j,:)=temp_subgrid(i,j,:) + temp_subgrid_rotated
endif
if (trace_emissions_from_in_region) then
! New version of in-region calculations: allowing target region to vary with the target grid
! ****************
emission_region_index = emission_subgrid_region_index(ii,jj,source_index)
if (use_target_subgrid) then
! one temp_target_subgrid may contain multiple regions in the finer resolution, so we must store results in a per-region array
! -> add this contribution to the region ID that matches the current emission grid
if (emission_region_index > 0) then
i_region = regionindex_loop_back_index(emission_region_index)
if (i_region > 0) then
temp_target_subgrid_per_source_region(i,j,:,i_region) = temp_target_subgrid_per_source_region(i,j,:,i_region) + temp_subgrid_rotated
end if
end if
else
! dispersion calculation is done directly on the fine-resolution target grid, so there is only one target region
! -> we can directly check if the target subgrid region ID matches the current emission grid region ID
if (emission_region_index > 0 .and. emission_region_index == subgrid_region_index(i,j)) then
subgrid_from_in_region_new(i,j,:) = subgrid_from_in_region_new(i,j,:) + temp_subgrid_rotated
end if
end if
! ************************
endif
!write(*,'(4i5,2es12.2,4f12.3)') i,j,ii,jj,temp_subgrid(i,j,:), &
! gauss_plume_second_order_rotated_func(distance_subgrid,z_rec_loc,ay_loc,by_loc,az_loc,bz_loc,sig_y_00_loc,sig_z_00_loc,h_emis_loc)/FF_loc &
! ,distance_subgrid,az_loc,bz_loc,sig_z_00_loc
!Calculate deposition only when it is not using the alternative tarrget subgrid. Fix later to be more general
if (calculate_deposition_flag.and..not.use_target_subgrid) then
!Only use half of the source grid for deposition and depletion
if (distance_subgrid.eq.0) then
!s/m3 *m2=s/m
deposition_subgrid_scale=0.5
else
deposition_subgrid_scale=1.0
endif
!Find the deposition grid index. Can be moved outside the loop
i_cross_deposition=crossreference_target_to_deposition_subgrid(i,j,x_dim_index)
j_cross_deposition=crossreference_target_to_deposition_subgrid(i,j,y_dim_index)
subgrid(i,j,tt,drydepo_local_subgrid_index,source_index,:)=subgrid(i,j,tt,drydepo_local_subgrid_index,source_index,:) &
+ temp_subgrid_rotated*deposition_subgrid(i_cross_deposition,j_cross_deposition,tt,vd_index,:)*deposition_subgrid_scale
!Wet deposition
precip_loc=meteo_subgrid(i_cross_target_integral,j_cross_target_integral,tt,precip_subgrid_index)
temp_subgrid_rotated_integrated=temp_emission_subgrid(ii,jj,:)*gauss_plume_second_order_rotated_reflected_integral_func(distance_subgrid,ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,h_emis_loc,h_mix_loc,0.,h_mix_loc)/FF_loc*h_mix_loc
!write(*,*) temp_emission_subgrid(ii,jj,:),gauss_plume_second_order_rotated_reflected_integral_func(distance_subgrid,z_rec_loc,ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,h_emis_loc,h_mix_loc,0,H_emep)/FF_loc
!Set the scavenging (s/m2 /m *m/s = /m2). 1e-3/3600 converts mm/hr to m/s
subgrid(i,j,tt,wetdepo_local_subgrid_index,source_index,:)=subgrid(i,j,tt,wetdepo_local_subgrid_index,source_index,:) &
+ temp_subgrid_rotated_integrated*wetdepo_scavanging_rate(pollutant_loop_index(:))*(precip_loc/1000./3600.)*deposition_subgrid_scale
!write(*,*) subgrid(i,j,tt,wetdepo_local_subgrid_index,source_index,:),temp_subgrid_rotated_integrated,wetdepo_scavanging_rate(nh3_index),precip_loc
if (adjust_wetdepo_integral_to_lowest_layer_flag) then
plume_vertical_integral(1,:)=temp_emission_subgrid(ii,jj,:)*gauss_plume_second_order_rotated_reflected_integral_func(distance_subgrid,ay_loc,by_loc,az_loc,bz_loc,sig_y_0_loc,sig_z_0_loc,h_emis_loc,h_mix_loc,0.,H_emep)/FF_loc*H_emep
plume_vertical_integral(2,:)=temp_subgrid_rotated_integrated
plume_vertical_integral(3,:)=plume_vertical_integral(1,:)/H_emep
endif
integral_subgrid(i_cross_target_integral,j_cross_target_integral,tt,:,source_index,:)=integral_subgrid(i_cross_target_integral,j_cross_target_integral,tt,:,source_index,:) &
+plume_vertical_integral(:,:)
!write(*,*) integral_subgrid(i_cross_target_integral,j_cross_target_integral,tt,:,source_index,:)
endif
do i_pollutant=1,n_pollutant_loop
if (temp_subgrid_rotated(i_pollutant).gt.0) then
distance_subgrid=max(distance_subgrid,distance_subgrid_min)
!Alternative heavier weighting to higher concentrations (pollutant^2). Not in deposition_dispersion routine
if (use_alternative_traveltime_weighting) then
time_weight(tt,i_pollutant)=time_weight(tt,i_pollutant)+distance_subgrid/FF_loc*temp_subgrid_rotated(i_pollutant)**traveltime_power
time_total(tt,i_pollutant)=time_total(tt,i_pollutant)+temp_subgrid_rotated(i_pollutant)**traveltime_power
else
!Take weighted average (weighted by concentration) of the time
time_weight(tt,i_pollutant)=time_weight(tt,i_pollutant)+distance_subgrid/FF_loc*temp_subgrid_rotated(i_pollutant)
!Calculate sum of the concentration for normalisation
time_total(tt,i_pollutant)=time_total(tt,i_pollutant)+temp_subgrid_rotated(i_pollutant)
endif
endif
enddo
endif
endif
endif
enddo
enddo
!Add to the travel time array
if (use_target_subgrid) then
traveltime_temp_target_subgrid(i,j,1,:)=traveltime_temp_target_subgrid(i,j,1,:)+time_weight(tt,:)
traveltime_temp_target_subgrid(i,j,2,:)=traveltime_temp_target_subgrid(i,j,2,:)+time_total(tt,:)
else
traveltime_subgrid(i,j,tt,1,:)=traveltime_subgrid(i,j,tt,1,:)+time_weight(tt,:)
traveltime_subgrid(i,j,tt,2,:)=traveltime_subgrid(i,j,tt,2,:)+time_total(tt,:)
endif
else
!Set to nodata value for grids that should not be used for all pollutants
temp_subgrid(i,j,:)=NODATA_value
if (trace_emissions_from_in_region) subgrid_from_in_region_new(i,j,:)=NODATA_value
endif
if (.not.use_target_subgrid) then
!write(*,'(3i,3es12.2)') tt,i,j,temp_subgrid(i,j,pollutant_loop_index(nox_index)),diagnostic_subgrid(i,j,1),diagnostic_subgrid(i,j,2)
else
!write(*,'(3i,3es12.2)') tt,i,j,temp_target_subgrid(i,j,pollutant_loop_index(nox_index)),diagnostic_subgrid(i,j,1),diagnostic_subgrid(i,j,2)
endif
enddo
!if (mod(j,10).eq.0) write(*,'(3a,i5,a,i5,a,i3,a,i3)') 'Gridding ',trim(source_file_str(source_index)),' proxy',j,' of ',subgrid_dim(2),' and ',subsource_index,' of ',n_subsource(source_index)
enddo
if (mod(j,1).eq.0) write(*,'(3a,i5,a,i5,a,i3,a,i3)') 'Gridding ',trim(source_file_str(source_index)),' proxy for hour ',tt,' of ',subgrid_dim(t_dim_index),' and subsource ',subsource_index,' of ',n_subsource(source_index)
!Put the temporary subgrid back into the subgrid array only for the selected grids
if (use_target_subgrid) then
!write(*,*) 'Mean temp traveltime target grid',tt,sum(traveltime_temp_target_subgrid(i_target_start:i_target_end,j_target_start:j_target_end,1))/temp_target_subgrid_dim_length(x_dim_index)/temp_target_subgrid_dim_length(y_dim_index)
!write(*,*) 'Mean temp target grid',tt,sum(temp_target_subgrid(i_target_start:i_target_end,j_target_start:j_target_end,n_target_comp))/temp_target_subgrid_dim_length(x_dim_index)/temp_target_subgrid_dim_length(y_dim_index)
!write(*,*) shape(traveltime_temp_target_subgrid),shape(traveltime_subgrid)
do j=1,subgrid_dim(y_dim_index)
do i=1,subgrid_dim(x_dim_index)
if (use_subgrid(i,j,source_index)) then
do i_pollutant=1,n_pollutant_loop
temp_subgrid(i,j,i_pollutant)=area_weighted_interpolation_function(x_target_subgrid,y_target_subgrid,temp_target_subgrid(:,:,i_pollutant) &
,emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),emission_subgrid_delta(:,source_index),x_subgrid(i,j),y_subgrid(i,j))
traveltime_subgrid(i,j,tt,1,i_pollutant)=traveltime_subgrid(i,j,tt,1,i_pollutant) &
+area_weighted_interpolation_function(x_target_subgrid,y_target_subgrid,traveltime_temp_target_subgrid(:,:,1,i_pollutant) &
,emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),emission_subgrid_delta(:,source_index),x_subgrid(i,j),y_subgrid(i,j))
traveltime_subgrid(i,j,tt,2,i_pollutant)=traveltime_subgrid(i,j,tt,2,i_pollutant) &
+area_weighted_interpolation_function(x_target_subgrid,y_target_subgrid,traveltime_temp_target_subgrid(:,:,2,i_pollutant) &
,emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index),emission_subgrid_delta(:,source_index),x_subgrid(i,j),y_subgrid(i,j))
!write(*,*) tt,i,j,temp_subgrid(i,j)
! New version of in-region, allowing target region to vary within the target grid
! ****************
if (trace_emissions_from_in_region .and. subgrid_region_index(i,j) > 0) then
! interpolate the contribution corresponding to the region index of this target grid
i_region = regionindex_loop_back_index(subgrid_region_index(i,j))
subgrid_from_in_region_new(i,j,i_pollutant) = area_weighted_interpolation_function( &
x_target_subgrid,y_target_subgrid,temp_target_subgrid_per_source_region(:,:,i_pollutant,i_region) &
,emission_max_subgrid_dim(x_dim_index),emission_max_subgrid_dim(y_dim_index) &
,emission_subgrid_delta(:,source_index),x_subgrid(i,j),y_subgrid(i,j))
end if
! ***************
enddo
else
temp_subgrid(i,j,:)=NODATA_value
traveltime_subgrid(i,j,tt,:,:)=NODATA_value
if (trace_emissions_from_in_region) then
subgrid_from_in_region_new(i,j,:)=NODATA_value
endif
endif
enddo
enddo
endif
!Add to allsource
integral_subgrid(:,:,tt,:,allsource_index,:)=integral_subgrid(:,:,tt,:,allsource_index,:)+integral_subgrid(:,:,tt,:,source_index,:)
!write(*,*) integral_subgrid(:,:,tt,hmix_integral_subgrid_index,allsource_index,i_pollutant)
!write(unit_logfile,'(a,3f12.3)') 'Mean, min and max grid concentration: ',sum(temp_subgrid)/subgrid_dim(x_dim_index)/subgrid_dim(y_dim_index),minval(temp_subgrid),maxval(temp_subgrid)
do i_pollutant=1,n_pollutant_loop
temp_sum_subgrid(i_pollutant)=0.
if (trace_emissions_from_in_region) temp_sum_subgrid_from_in_region_new=0.
count=0
do j=1,subgrid_dim(y_dim_index)
do i=1,subgrid_dim(x_dim_index)
if (use_subgrid(i,j,source_index)) then
temp_sum_subgrid(i_pollutant)=temp_sum_subgrid(i_pollutant)+temp_subgrid(i,j,i_pollutant)
if (trace_emissions_from_in_region) then
temp_sum_subgrid_from_in_region_new(i_pollutant)=temp_sum_subgrid_from_in_region_new(i_pollutant)+subgrid_from_in_region_new(i,j,i_pollutant)
endif
count=count+1
endif
enddo
enddo
if (count.gt.0) then
temp_sum_subgrid(i_pollutant)=temp_sum_subgrid(i_pollutant)/count
else
temp_sum_subgrid(i_pollutant)=0
endif
if (trace_emissions_from_in_region) then
if (count.gt.0) then
temp_sum_subgrid_from_in_region_new(i_pollutant)=temp_sum_subgrid_from_in_region_new(i_pollutant)/count
else
temp_sum_subgrid_from_in_region_new(i_pollutant)=0
endif
write(unit_logfile,'(a,2f12.3)') 'Mean concentration (total, inregion) '//trim(pollutant_file_str(pollutant_loop_index(i_pollutant)))//': ',temp_sum_subgrid(i_pollutant),temp_sum_subgrid_from_in_region_new(i_pollutant)
else
write(unit_logfile,'(a,3f12.3)') 'Mean concentration '//trim(pollutant_file_str(pollutant_loop_index(i_pollutant)))//': ',temp_sum_subgrid(i_pollutant)
endif
enddo
subgrid(:,:,tt,proxy_subgrid_index,source_index,:)=temp_subgrid
if (trace_emissions_from_in_region) then
subgrid_proxy_from_in_region(:,:,tt,source_index,:)=subgrid_from_in_region_new
endif
!Determine the final travel time
traveltime_subgrid(:,:,tt,3,:)=traveltime_subgrid(:,:,tt,1,:)/traveltime_subgrid(:,:,tt,2,:)
where (traveltime_subgrid(:,:,tt,2,:).eq.0) traveltime_subgrid(:,:,tt,3,:)=3600.*12.
enddo !time loop
enddo !subsource_index
!Combine the subsources in the dispersion if required
!if (combine_emission_subsources_during_dispersion(source_index).and.n_subsource(source_index).gt.1) then
! do subsource_index=2,n_subsource(n_source_index)
! subgrid(:,:,:,proxy_subgrid_index,source_index,1)=subgrid(:,:,:,proxy_subgrid_index,source_index,1)+subgrid(:,:,:,proxy_subgrid_index,source_index,subsource_index)
! enddo
! n_subsource(source_index)=1
!endif
if (allocated(trajectory_subgrid)) deallocate(trajectory_subgrid)
if (allocated(temp_emission_subgrid)) deallocate(temp_emission_subgrid)
if (allocated(temp_subgrid)) deallocate(temp_subgrid)
if (allocated(temp_FF_subgrid)) deallocate(temp_FF_subgrid)
if (allocated(temp_FF_emission_subgrid)) deallocate(temp_FF_emission_subgrid)
if (allocated(temp_subgrid)) deallocate(temp_subgrid)
if (allocated(traveltime_temp_target_subgrid)) deallocate(traveltime_temp_target_subgrid)
if (allocated(temp_target_subgrid)) deallocate(temp_target_subgrid)
if (allocated(subgrid_from_in_region_new)) deallocate(subgrid_from_in_region_new)
if (allocated(temp_target_subgrid_per_source_region)) deallocate(temp_target_subgrid_per_source_region)
end subroutine uEMEP_subgrid_dispersion