/[MITgcm]/MITgcm_contrib/darwin2/pkg/monod/monod_generate_zoo.F
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Contents of /MITgcm_contrib/darwin2/pkg/monod/monod_generate_zoo.F

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Revision 1.2 - (show annotations) (download)
Fri Oct 21 20:56:53 2011 UTC (13 years, 9 months ago) by stephd
Branch: MAIN
CVS Tags: ctrb_darwin2_ckpt64k_20130723, ctrb_darwin2_ckpt63l_20120405, ctrb_darwin2_ckpt64h_20130528, ctrb_darwin2_ckpt64m_20130820, ctrb_darwin2_ckpt64r_20131210, ctrb_darwin2_ckpt64f_20130405, ctrb_darwin2_ckpt63f_20111201, ctrb_darwin2_ckpt64a_20121116, ctrb_darwin2_ckpt64n_20130826, ctrb_darwin2_ckpt64o_20131024, ctrb_darwin2_ckpt64v_20140411, ctrb_darwin2_ckpt64t_20140202, ctrb_darwin2_ckpt64i_20130622, ctrb_darwin2_ckpt64s_20140105, ctrb_darwin2_ckpt63o_20120629, ctrb_darwin2_ckpt64e_20130305, ctrb_darwin2_ckpt63i_20120124, ctrb_darwin2_ckpt63m_20120506, ctrb_darwin2_ckpt63s_20120908, ctrb_darwin2_ckpt63e_20111107, ctrb_darwin2_ckpt63j_20120217, ctrb_darwin2_ckpt63r_20120817, ctrb_darwin2_ckpt64g_20130503, ctrb_darwin2_ckpt64l_20130806, ctrb_darwin2_ckpt63g_20111220, ctrb_darwin2_ckpt64c_20130120, ctrb_darwin2_ckpt64u_20140308, ctrb_darwin2_ckpt64j_20130704, ctrb_darwin2_ckpt63h_20111230, ctrb_darwin2_ckpt63p_20120707, ctrb_darwin2_ckpt64p_20131118, ctrb_darwin2_ckpt63d_20111107, ctrb_darwin2_ckpt63q_20120731, ctrb_darwin2_ckpt64b_20121224, ctrb_darwin2_ckpt64d_20130219, ctrb_darwin2_ckpt64_20121012, ctrb_darwin2_ckpt64q_20131118, ctrb_darwin2_ckpt64p_20131024, ctrb_darwin2_ckpt63n_20120604, ctrb_darwin2_ckpt63k_20120317
Changes since 1.1: +4 -0 lines
o add quadratic mortality for zooplankton

1 #include "CPP_OPTIONS.h"
2 #include "PTRACERS_OPTIONS.h"
3 #include "DARWIN_OPTIONS.h"
4
5 #ifdef ALLOW_PTRACERS
6 #ifdef ALLOW_MONOD
7
8 c ==========================================================
9 c SUBROUTINE MONOD_GENERATE_ZOO
10 c generate parameters for zooplankton
11 c initial simple 2 species setup
12 c Stephanie Dutkiewicz Spring 2009
13 c ==========================================================
14 SUBROUTINE MONOD_GENERATE_ZOO(myThid)
15
16 implicit none
17 #include "EEPARAMS.h"
18 #include "MONOD_SIZE.h"
19 #include "DARWIN_PARAMS.h"
20 #include "MONOD.h"
21
22
23
24 C !INPUT PARAMETERS: ===================================================
25 C myThid :: thread number
26 INTEGER myThid
27
28 C === Functions ===
29 _RL DARWIN_RANDOM
30 EXTERNAL DARWIN_RANDOM
31 _RL DARWIN_RANDOM_NORMAL
32 EXTERNAL DARWIN_RANDOM_NORMAL
33
34 C !LOCAL VARIABLES:
35 C === Local variables ===
36 C msgBuf - Informational/error meesage buffer
37 CHARACTER*(MAX_LEN_MBUF) msgBuf
38
39 _RL dm
40 _RL volp
41 _RL PI
42 INTEGER np
43 INTEGER nz
44 INTEGER signvar
45 PARAMETER ( PI = 3.14159265358979323844D0 )
46
47 CEOP
48 c
49
50 #ifdef OLD_GRAZE
51 c for zooplankton
52 c assume zoo(1) = small, zoo(2) = big
53 c then grazing efficiency according to size
54 zoosize(1) = 0.0 _d 0
55 zoosize(2) = 1.0 _d 0
56 IF ( nzmax.GT.2 ) THEN
57 WRITE(msgBuf,'(2A,I5)') 'MONOD_GENERATE_ZOO: ',
58 & 'nzmax = ', nzmax
59 CALL PRINT_ERROR( msgBuf , 1)
60 WRITE(msgBuf,'(2A)') 'MONOD_GENERATE_ZOO: ',
61 & 'please provide size info for nz > 2'
62 CALL PRINT_ERROR( msgBuf , 1)
63 STOP 'ABNORMAL END: S/R MONOD_GENERATE_ZOO'
64 ENDIF
65
66 c grazing rates according to "allometry"
67 c big grazers preferentially eat big phyto etc...
68 do np=1,npmax
69 do nz=1,nzmax
70 if(zoosize(nz) .eq. physize(np))then
71 graze(np,nz) = GrazeFast
72 else
73 graze(np,nz) = GrazeSlow
74 end if
75 if (diacoc(np).eq.1) then
76 graze(np,nz)= graze(np,nz)*diatomgraz
77 endif
78 if (diacoc(np).eq.2) then
79 graze(np,nz)= graze(np,nz)*coccograz
80 endif
81 if (diacoc(np).eq.0.and.physize(np).eq.1) then
82 graze(np,nz)= graze(np,nz)*olargegraz
83 endif
84 end do
85 end do
86
87 c zooplankton export/mortality
88 c small zooplankton (zoosize = 0.) lower export fraction
89 do nz = 1, nzmax
90 if(zoosize(nz) .eq. 0.0)then
91 ExportFracZ(nz) = ZooexfacSmall
92 mortzoo(nz) = ZoomortSmall
93 mortzoo2(nz) = ZoomortSmall2
94 else
95 ExportFracZ(nz) = ZooexfacBig
96 mortzoo(nz) = ZoomortBig
97 mortzoo2(nz) = ZoomortBig2
98 endif
99 end do
100 #endif
101
102
103 #ifndef OLD_GRAZE
104 c for zooplankton
105 c assume zoo(1) = small, zoo(2) = big
106 zoosize(1) = 0.0 _d 0
107 zoosize(2) = 1.0 _d 0
108 grazemax(1) = GrazeFast
109 grazemax(2) = GrazeFast
110 ExportFracZ(1)=ZooexfacSmall
111 ExportFracZ(2)=ZooexfacBig
112 mortzoo(1) = ZoomortSmall
113 mortzoo(2) = ZoomortBig
114 mortzoo2(1) = ZoomortSmall2
115 mortzoo2(2) = ZoomortBig2
116 ExportFracGraz(1)=ExGrazFracbig
117 ExportFracGraz(2)=ExGrazFracsmall
118 IF ( nzmax.GT.2 ) THEN
119 WRITE(msgBuf,'(2A,I5)') 'MONOD_GENERATE_ZOO: ',
120 & 'nzmax = ', nzmax
121 CALL PRINT_ERROR( msgBuf , 1)
122 WRITE(msgBuf,'(2A)') 'MONOD_GENERATE_ZOO: ',
123 & 'please provide size info for nz > 2'
124 CALL PRINT_ERROR( msgBuf , 1)
125 STOP 'ABNORMAL END: S/R MONOD_GENERATE_ZOO'
126 ENDIF
127 c
128 do nz=1,nzmax
129 c size of phytoplankton
130 if(zoosize(nz).eq. 1.0 _d 0)then
131 dm = 300. _d 0 ! diameter (micrometer)
132 else
133 dm = 30. _d 0 ! diameter (micrometer)
134 end if
135 c phytoplankton volume in micrometers cubed
136 volp=4. _d 0/3. _d 0 *PI*(dm/2. _d 0)**3 _d 0
137 c
138 c common block variables (in m and m3)
139 zoo_esd(nz)=dm* 1. _d -6
140 zoo_vol(nz)=volp* 1. _d -18
141 c palatibity according to "allometry"
142 c big grazers preferentially eat big phyto etc...
143 do np=1,npmax
144 if (zoosize(nz).eq.physize(np)) then
145 palat(np,nz)=palathi
146 asseff(np,nz)=GrazeEffmod
147 else
148 palat(np,nz)=palatlo
149 if (physize(np).eq.0. _d 0) then
150 asseff(np,nz)=GrazeEffhi
151 else
152 asseff(np,nz)=GrazeEfflow
153 endif
154 endif
155 c diatoms even less palatible
156 if (diacoc(np).eq.1. _d 0) then
157 palat(np,nz)= palat(np,nz)*diatomgraz
158 endif
159 c coccolithophes less palatible
160 if (diacoc(np).eq.2. _d 0) then
161 palat(np,nz)= palat(np,nz)*coccograz
162 endif
163 c other large phyto less palatible
164 if (diacoc(np).eq.0. _d 0 .and.physize(np).eq.1. _d 0) then
165 palat(np,nz)= palat(np,nz)*olargegraz
166 endif
167 c need something in here for tricho
168 enddo
169 enddo
170 #endif
171
172 RETURN
173 END
174 #endif /*MONOD*/
175 #endif /*ALLOW_PTRACERS*/
176
177 c ===========================================================

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