- Timestamp:
- 2012-04-30T10:27:44+02:00 (12 years ago)
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- 1 edited
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branches/2012/dev_r3337_NOCS10_ICB/NEMOGCM/NEMO/OPA_SRC/ICB/icb_oce.F90
r3359 r3370 3 3 !!====================================================================== 4 4 !! *** MODULE icb_oce *** 5 !! Ocean physics: declare variables for iceberg tracking5 !! Icebergs: declare variables for iceberg tracking 6 6 !!====================================================================== 7 !! History : 3.3.1 ! 2010-01 (Martin&Adcroft) Original code 8 !! - ! 2011-03 (Madec) Part conversion to NEMO form 9 !! - ! Removal of mapping from another grid 10 !! - ! 2011-04 (Alderson) Extensive rewrite 11 !! - ! Split into separate modules 7 !! History : 3.3 ! 2010-01 (T. Martin & A. Adcroft) Original code 8 !! - ! 2011-03 (G. Madec) Part conversion to NEMO form 9 !! - ! Removal of mapping from another grid 10 !! - ! 2011-04 (S. Alderson) Extensive rewrite ; Split into separate modules 12 11 !!---------------------------------------------------------------------- 13 12 !! … … 16 15 !! 17 16 !! A single iceberg is held as an instance of type 'iceberg' 18 !! This type defines a linked list, so each instance contains a pointer to the previous and next19 !! icebergs in the list17 !! This type defines a linked list, so each instance contains a pointer 18 !! to the previous and next icebergs in the list 20 19 !! 21 20 !! Type 'icebergs' is a convenience container for all relevant arrays 22 21 !! It contains one pointer to an 'iceberg' instance representing all icebergs in the processor 23 22 !! 24 !! Each iceberg has a position represented as a real cartesian coordinate which is fractional25 !! grid cell, centred on T points; so an iceberg position of (1.0,1.0) lies exactly on the first26 !! T point and the Tcell spans 0.5 to 1.5 in each direction23 !! Each iceberg has a position represented as a real cartesian coordinate which is 24 !! fractional grid cell, centred on T-points; so an iceberg position of (1.0,1.0) lies 25 !! exactly on the first T-point and the T-cell spans 0.5 to 1.5 in each direction 27 26 !! 28 27 !! Each iceberg is assigned a unique id even in MPI 29 !! This consists of an array of integers: the first element is used to label, the second and30 !! subsequent elements are used to count the number of times the first element wraps around31 !! a ll possible values within the valid size for this datatype.28 !! This consists of an array of integers: the first element is used to label, the second 29 !! and subsequent elements are used to count the number of times the first element wraps 30 !! around all possible values within the valid size for this datatype. 32 31 !! Labelling is done by starting the first label in each processor (even when only one) 33 32 !! as narea, and then incrementing by jpnij (i.e. the total number of processors. … … 58 57 END TYPE icebergs_gridded 59 58 60 !! point type is just a convenience storage type for properties of an individual iceberg 61 TYPE, PUBLIC :: point 62 INTEGER :: year 63 REAL(wp) :: xi, yj ! iceberg coordinates in the (i,j) referential (global) 64 REAL(wp) :: e1, e2 ! horizontal scale factors at the iceberg position 65 REAL(wp) :: lon, lat, day 66 REAL(wp) :: mass, thickness, width, length, uvel, vvel 67 REAL(wp) :: uo, vo, ui, vi, ua, va, ssh_x, ssh_y, sst, cn, hi 68 REAL(wp) :: mass_of_bits, heat_density 59 TYPE, PUBLIC :: point !: properties of an individual iceberg (position, mass, size, etc...) 60 INTEGER :: year 61 REAL(wp) :: xi , yj ! iceberg coordinates in the (i,j) referential (global) 62 REAL(wp) :: e1 , e2 ! horizontal scale factors at the iceberg position 63 REAL(wp) :: lon, lat, day ! geographic position 64 REAL(wp) :: mass, thickness, width, length, uvel, vvel ! iceberg physical properties 65 REAL(wp) :: uo, vo, ui, vi, ua, va, ssh_x, ssh_y, sst, cn, hi ! properties of iceberg environment 66 REAL(wp) :: mass_of_bits, heat_density 69 67 END TYPE point 70 68 71 !! iceberg type is really just a linked list 72 TYPE, PUBLIC :: iceberg 73 ! pointers to previous and next unique icebergs in linked list 74 TYPE(iceberg), POINTER :: prev=>NULL(), next=>NULL() 75 ! variables which do not change for this iceberg 76 INTEGER, DIMENSION(nkounts) :: number 77 REAL(wp) :: mass_scaling 78 ! variables which change with time are held in a separate type 79 TYPE(point), POINTER :: current_point => NULL() 69 TYPE, PUBLIC :: iceberg !: linked list defining all the icebergs present in the model domain 70 TYPE(iceberg), POINTER :: prev=>NULL(), next=>NULL() ! pointers to previous and next unique icebergs in linked list 71 INTEGER, DIMENSION(nkounts) :: number ! variables which do not change for this iceberg 72 REAL(wp) :: mass_scaling ! - - - - 73 TYPE(point), POINTER :: current_point => NULL() ! variables which change with time are held in a separate type 80 74 END TYPE iceberg 81 75 82 !! master instances of gridded and linked list iceberg types83 TYPE(icebergs_gridded), POINTER :: berg_grid84 TYPE(iceberg) , POINTER :: first_berg => NULL()85 76 86 !! parameters controlling iceberg characteristics and modelling 87 REAL(wp) :: berg_dt ! Time-step between iceberg CALLs (should make adaptive?) 88 INTEGER :: current_year 89 REAL(wp) :: current_yearday ! 1.00-365.99 90 REAL(wp), DIMENSION(:), POINTER :: first_width, first_length 91 LOGICAL :: l_restarted_bergs=.FALSE. ! Indicate whether we read state from a restart or not 92 ! ! arbitrary numbers for diawri entry 77 TYPE(icebergs_gridded), POINTER :: berg_grid !: master instance of gridded iceberg type 78 TYPE(iceberg) , POINTER :: first_berg => NULL() !: master instance of linked list iceberg type 79 80 ! !!! parameters controlling iceberg characteristics and modelling 81 REAL(wp) :: berg_dt !: Time-step between iceberg CALLs (should make adaptive?) 82 INTEGER :: current_year !: 83 REAL(wp) :: current_yearday !: 1.00-365.99 84 REAL(wp), DIMENSION(:), POINTER :: first_width, first_length !: 85 LOGICAL :: l_restarted_bergs=.FALSE. ! Indicate whether we read state from a restart or not 86 ! ! arbitrary numbers for diawri entry 93 87 REAL(wp), DIMENSION(nclasses), PUBLIC :: class_num=(/ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 /) 94 88 95 89 ! Extra arrays with bigger halo, needed when interpolating forcing onto iceberg position 96 90 ! particularly for MPP when iceberg can lie inside T grid but outside U, V, or f grid 97 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: uo_e 98 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: vo_e 99 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ff_e 100 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ua_e 101 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: va_e 91 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: uo_e, vo_e 92 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ff_e 93 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ua_e, va_e 102 94 #if defined key_lim2 || defined key_lim3 103 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ui_e 104 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: vi_e 105 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ssh_e 95 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ui_e, vi_e 96 REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ssh_e 106 97 #endif 107 98 108 99 !!gm almost all those PARAM ARE defined in NEMO 109 REAL(wp), PUBLIC, PARAMETER :: pp_rho_ice = 916.7_wp ! Density of fresh ice @ 0oC (kg/m^3)110 REAL(wp), PUBLIC, PARAMETER :: pp_rho_water = 999.8_wp ! Density of fresh water @ 0oC (kg/m^3)111 REAL(wp), PUBLIC, PARAMETER :: pp_rho_air = 1.1_wp ! Density of air @ 0oC (kg/m^3) ???112 REAL(wp), PUBLIC, PARAMETER :: pp_rho_seawater = 1025._wp ! Approx. density of surface sea water @ 0oC (kg/m^3)100 REAL(wp), PUBLIC, PARAMETER :: pp_rho_ice = 916.7_wp !: Density of fresh ice @ 0oC [kg/m^3] 101 REAL(wp), PUBLIC, PARAMETER :: pp_rho_water = 999.8_wp !: Density of fresh water @ 0oC [kg/m^3] 102 REAL(wp), PUBLIC, PARAMETER :: pp_rho_air = 1.1_wp !: Density of air @ 0oC [kg/m^3] 103 REAL(wp), PUBLIC, PARAMETER :: pp_rho_seawater = 1025._wp !: Approx. density of surface sea water @ 0oC [kg/m^3] 113 104 !!gm end 114 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_av = 1.3_wp ! (Vertical) Drag coefficient between bergs and atmos (?)115 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_ah = 0.0055_wp ! (Horizontal) Drag coefficient between bergs and atmos (?)116 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_wv = 0.9_wp ! (Vertical) Drag coefficient between bergs and ocean (?)117 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_wh = 0.0012_wp ! (Horizontal) Drag coefficient between bergs and ocean (?)118 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_iv = 0.9_wp ! (Vertical) Drag coefficient between bergs and sea-ice (?)119 !TOM> no horizontal drag for sea ice! real, PARAMETER :: pp_Cd_ih=0.0012 ! (Horizontal) Drag coefficient between bergs and sea-ice (?) 105 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_av = 1.3_wp !: (Vertical) Drag coefficient between bergs and atmos 106 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_ah = 0.0055_wp !: (lateral ) Drag coefficient between bergs and atmos 107 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_wv = 0.9_wp !: (Vertical) Drag coefficient between bergs and ocean 108 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_wh = 0.0012_wp !: (lateral ) Drag coefficient between bergs and ocean 109 REAL(wp), PUBLIC, PARAMETER :: pp_Cd_iv = 0.9_wp !: (Vertical) Drag coefficient between bergs and sea-ice 110 !TOM> no horizontal drag for sea ice! real, PARAMETER :: pp_Cd_ih=0.0012 ! (lateral) Drag coeff. between bergs and sea-ice 120 111 121 ! !** namberg namelist parameters (and defaults) ** 122 LOGICAL, PUBLIC :: ln_bergdia = .true. ! Calculate budgets 123 INTEGER, PUBLIC :: nn_verbose_level = 0 ! Turn on debugging when level > 0 124 INTEGER, PUBLIC :: nn_test_icebergs = 0 ! Create icebergs in absence of a restart file from the supplied class number 125 REAL(wp), PUBLIC, DIMENSION(4) :: rn_test_box = (/ 0._wp, 1._wp, 0._wp, 1._wp /) 126 ! lon1,lon2,lat1,lat2 box to create them in 127 INTEGER, PUBLIC :: nn_sample_rate = 0 ! Timesteps between sampling of position for trajectory storage 128 INTEGER, PUBLIC :: nn_verbose_write = 15 ! timesteps between verbose messages 129 REAL(wp), PUBLIC :: rn_rho_bergs = 850._wp ! Density of icebergs 130 REAL(wp), PUBLIC :: rn_LoW_ratio = 1.5_wp ! Initial ratio L/W for newly calved icebergs 131 REAL(wp), PUBLIC :: rn_bits_erosion_fraction = 0. ! Fraction of erosion melt flux to divert to bergy bits 132 REAL(wp), PUBLIC :: rn_sicn_shift = 0._wp ! Shift of sea-ice concentration in erosion flux modulation (0<sicn_shift<1) 133 LOGICAL, PUBLIC :: ln_operator_splitting = .true. ! Use first order operator splitting for thermodynamics 134 LOGICAL, PUBLIC :: ln_passive_mode = .false. ! iceberg - ocean decoupling 135 LOGICAL, PUBLIC :: ln_time_average_weight = .false. ! Time average the weight on the ocean !!gm I don't understand that ! 136 REAL(wp), PUBLIC :: rn_speed_limit = 0._wp ! CFL speed limit for a berg 112 ! !!* namberg namelist parameters (and defaults) ** 113 LOGICAL , PUBLIC :: ln_bergdia = .true. !: Calculate budgets 114 INTEGER , PUBLIC :: nn_verbose_level = 0 !: Turn on debugging when level > 0 115 INTEGER , PUBLIC :: nn_test_icebergs = 0 !: Create icebergs in absence of a restart file from the supplied class nb 116 REAL(wp), PUBLIC, DIMENSION(4) :: rn_test_box = (/ 0._wp, 1._wp, 0._wp, 1._wp /) !: lon1,lon2,lat1,lat2 box to create them in 117 INTEGER , PUBLIC :: nn_sample_rate = 0 !: Timesteps between sampling of position for trajectory storage 118 INTEGER , PUBLIC :: nn_verbose_write = 15 !: timesteps between verbose messages 119 REAL(wp), PUBLIC :: rn_rho_bergs = 850._wp !: Density of icebergs 120 REAL(wp), PUBLIC :: rn_LoW_ratio = 1.5_wp !: Initial ratio L/W for newly calved icebergs 121 REAL(wp), PUBLIC :: rn_bits_erosion_fraction = 0. !: Fraction of erosion melt flux to divert to bergy bits 122 REAL(wp), PUBLIC :: rn_sicn_shift = 0._wp !: Shift of sea-ice concentration in erosion flux modulation (0<sicn_shift<1) 123 LOGICAL , PUBLIC :: ln_operator_splitting = .true. !: Use first order operator splitting for thermodynamics 124 LOGICAL , PUBLIC :: ln_passive_mode = .false. !: iceberg - ocean decoupling 125 LOGICAL , PUBLIC :: ln_time_average_weight = .false. !: Time average the weight on the ocean !!gm I don't understand that ! 126 REAL(wp), PUBLIC :: rn_speed_limit = 0._wp !: CFL speed limit for a berg 137 127 ! 138 ! ! Mass thresholds between iceberg classes (kg) 139 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_initial_mass=(/8.8e7, 4.1e8, 3.3e9, 1.8e10, 3.8e10, 7.5e10, 1.2e11, & 140 2.2e11, 3.9e11, 7.4e11/) 141 ! ! Fraction of calving to apply to this class (non-dim) 142 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_distribution=(/0.25, 0.12, 0.15, 0.18, 0.12, 0.07, 0.03, 0.03, 0.03, 0.02/) 143 ! ! Ratio between effective and real iceberg mass (non-dim) 144 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_mass_scaling=(/2000, 200, 50, 20, 10, 5, 2, 1, 1, 1/) 145 ! ! Total thickness of newly calved bergs (m) 146 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_initial_thickness=(/40., 67., 133., 175., 250., 250., 250., 250., 250., 250./) 128 ! ! Mass thresholds between iceberg classes [kg] 129 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_initial_mass = (/8.8e07, 4.1e08, 3.3e09, 1.8e10, 3.8e10, & 130 & 7.5e10, 1.2e11, 2.2e11, 3.9e11, 7.4e11/) 131 ! ! Fraction of calving to apply to this class [non-dim] 132 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_distribution = (/0.25 , 0.12 , 0.15 , 0.18 , 0.12 , & 133 & 0.07 , 0.03 , 0.03 , 0.03 , 0.02 /) 134 ! ! Ratio between effective and real iceberg mass (non-dim) 135 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_mass_scaling = (/2000. , 200. , 50. , 20. , 10. , & 136 & 5. , 2. , 1. , 1. , 1. /) 137 ! ! Total thickness of newly calved bergs [m] 138 REAL(wp), DIMENSION(nclasses), PUBLIC :: rn_initial_thickness = (/ 40. , 67. , 133. , 175. , 250. , & 139 & 250. , 250. , 250. , 250. , 250./) 147 140 148 141 ! Single instance of an icebergs type initialised in icebergs_init and updated in icebergs_run 149 REAL(wp), ALLOCATABLE, PUBLIC, SAVE, DIMENSION(:,:) :: src_calving, src_calving_hflx150 INTEGER , PUBLIC, SAVE :: numicb151 INTEGER , PUBLIC, SAVE, DIMENSION(nkounts) :: num_bergs152 INTEGER , PUBLIC, SAVE :: nicbdi, nicbei, nicbdj, nicbej153 REAL(wp) , PUBLIC, SAVE :: ricb_left, ricb_right154 INTEGER , PUBLIC, SAVE :: nicbpack155 INTEGER , PUBLIC, SAVE :: nktberg, nknberg156 INTEGER , ALLOCATABLE , PUBLIC, SAVE, DIMENSION(:) :: nicbfldpts157 INTEGER , ALLOCATABLE , PUBLIC, SAVE, DIMENSION(:) :: nicbflddest158 INTEGER , ALLOCATABLE , PUBLIC, SAVE, DIMENSION(:) :: nicbfldproc142 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: src_calving, src_calving_hflx !: ??? 143 INTEGER , PUBLIC , SAVE :: numicb !: ??? 144 INTEGER , PUBLIC , SAVE, DIMENSION(nkounts) :: num_bergs !: ??? 145 INTEGER , PUBLIC , SAVE :: nicbdi, nicbei, nicbdj, nicbej !: ??? 146 REAL(wp), PUBLIC , SAVE :: ricb_left, ricb_right !: ??? 147 INTEGER , PUBLIC , SAVE :: nicbpack !: ??? 148 INTEGER , PUBLIC , SAVE :: nktberg, nknberg !: ??? 149 INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: nicbfldpts !: ??? 150 INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: nicbflddest !: ??? 151 INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: nicbfldproc !: ??? 159 152 160 TYPE(FLD), ALLOCATABLE, PUBLIC , DIMENSION(:) :: sf_icb !structure: file information, fields read153 TYPE(FLD), ALLOCATABLE, PUBLIC , DIMENSION(:) :: sf_icb !: structure: file information, fields read 161 154 162 155 END MODULE icb_oce
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