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jahn |
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Clphachl |
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c $Header: /u/gcmpack/MITgcm_contrib/darwin/pkg/darwin/darwin_generate_phyto.F,v 1.13 2009/03/10 20:44:30 stephd Exp $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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#include "PTRACERS_OPTIONS.h" |
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#include "DARWIN_OPTIONS.h" |
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#ifdef ALLOW_PTRACERS |
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#ifdef ALLOW_DARWIN |
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#ifdef ALLOW_QUOTA |
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c ========================================================== |
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c SUBROUTINE QUOTA_GENERATE_PHYTO |
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c generate parameters for "Operational Taxonomic Units" of plankton (index jp) |
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c using an allometric approach |
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c |
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c Ben Ward 2009/10 |
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c ========================================================== |
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SUBROUTINE QUOTA_GENERATE_PHYTO(myThid) |
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implicit none |
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#include "EEPARAMS.h" |
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#include "DARWIN_PARAMS.h" |
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#include "QUOTA_SIZE.h" |
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#include "QUOTA.h" |
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C !INPUT PARAMETERS: =================================================== |
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C myThid :: thread number |
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INTEGER myThid |
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C === Functions === |
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_RL DARWIN_RANDOM |
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EXTERNAL DARWIN_RANDOM |
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_RL DARWIN_RANDOM_NORMAL |
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EXTERNAL DARWIN_RANDOM_NORMAL |
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C !LOCAL VARIABLES: |
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C === Local variables === |
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C msgBuf - Informational/error meesage buffer |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_RL RandNo |
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_RL mortdays |
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_RL year |
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_RL month |
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_RL fiveday |
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_RL rtime |
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_RL standin |
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_RL tmpsrt |
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_RL tmpend |
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_RL tmprng |
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_RL iimaxm1 |
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_RL npmaxm1 |
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_RL komaxm1 |
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_RL prd_pry |
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_RL factor |
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_RL taxon_mu(npmax) |
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_RL a,b,p,error |
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_RL heterotrophy(npmax) |
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INTEGER ii,io,jp,ko |
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INTEGER jp2,icount |
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INTEGER signvar |
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CEOP |
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c |
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standin=0. _d 0 |
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c each time generate another functional group add one to ngroups |
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ngroups = ngroups + 1 |
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iimaxm1 = float(iimax-1) |
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npmaxm1 = float(npmax-1) |
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komaxm1 = float(komax-1) |
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c |
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c.......................................................... |
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c Generate plankton volumes and stochastic parameters |
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c.......................................................... |
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factor = 2. _d 0 |
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c Allocate Phytoplankton Taxa |
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c Prochloro |
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do jp=1,2 |
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biovol(jp) = 1.25 _d -1 * factor**(jp-1) |
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autotrophy(jp)= 1.00 _d 0 |
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use_NO3(jp) = 0 |
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use_Si(jp) = 0 |
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taxon_mu(jp) = 1.00 _d 0 |
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pft(jp) = 1 |
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enddo |
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c Synnecho |
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do jp=3,5 |
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biovol(jp) = 0.50 _d 0 * factor**(jp-3) |
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autotrophy(jp)= 1.00 _d 0 |
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use_NO3(jp) = 1 |
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use_Si(jp) = 0 |
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taxon_mu(jp) = 1.10 _d 0 |
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pft(jp) = 2 |
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enddo |
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c Small Euk |
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do jp=6,9 |
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biovol(jp) = 4.00 _d 0 * factor**(jp-6) |
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autotrophy(jp)= 1.0 _d 0 |
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use_NO3(jp) = 1 |
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use_Si(jp) = 0 |
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taxon_mu(jp) = 2.10 _d 0 |
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pft(jp) = 3 |
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enddo |
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c Diatoms |
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do jp=10,15 |
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biovol(jp) = 64.0 _d 0 * factor**(jp-10) |
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autotrophy(jp)= 1.0 _d 0 |
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use_NO3(jp) = 1 |
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use_Si(jp) = 0 |
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taxon_mu(jp) = 3.8 _d 0 |
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pft(jp) = 4 |
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enddo |
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c Specialist grazers |
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do jp=16,16 |
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biovol(jp) = 8.0 _d 0 * factor**(jp-16) |
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autotrophy(jp)= 0.00 _d 0 |
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use_NO3(jp) = 0 |
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use_Si(jp) = 0 |
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taxon_mu(jp) = 0.00 _d 0 |
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pft(jp) = 6 |
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enddo |
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c |
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do jp=1,16 |
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heterotrophy(jp)=1.0 _d 0 - autotrophy(jp) |
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enddo |
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c |
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c ---------------------------------------------------------------------- |
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c Allometry |
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#ifdef UNCERTAINTY |
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error = 1.0 _d 0 |
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#else |
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error = 0.0 _d 0 |
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! set stdev of allometric parameters to zero |
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#endif |
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c ---------------------------------------------------------------------- |
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do jp=1,npmax |
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! parameters independent of nutrient element |
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c CARBON CONTENT |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_qcarbon),log10(ae_qcarbon)*error) |
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call invnormal(b,p,b_qcarbon,be_qcarbon*error) |
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qcarbon(jp) = 10. _d 0**a * biovol(jp) ** b |
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c INITIAL SLOPE P-I |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_alphachl),log10(ae_alphachl)*error) |
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call invnormal(b,p,b_alphachl,be_alphachl*error) |
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alphachl(jp) = 10. _d 0**a * biovol(jp) ** b |
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c RESPIRATION RATE |
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p = darwin_random(myThid) |
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IF (a_respir.NE.0. _d 0) THEN |
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call invnormal(a,p, |
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& log10(a_respir),log10(ae_respir)*error) |
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call invnormal(b,p,b_respir,be_respir*error) |
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respiration(jp) = 10. _d 0**a |
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& * (12. _d 9 * qcarbon(jp)) ** b |
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& / qcarbon(jp) |
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if (pft(jp).eq.6) then |
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respiration(jp) = respiration(jp) * 0.50 _d 0 |
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endif |
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ELSE |
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respiration(jp) = 0.0 _d 0 |
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ENDIF |
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c MAXIMUM GRAZING RATE |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_graz),log10(ae_graz)*error) |
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call invnormal(b,p,b_graz,be_graz*error) |
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graz(jp) = 10. _d 0**a * biovol(jp) ** b |
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& * heterotrophy(jp) |
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c GRAZING SIZE PREFERENCE RATIO |
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if (pft(jp).eq.5) then ! dinoflagellates prey upon similar sized plankton |
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pp_opt(jp) = 1.0 _d 0 |
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else ! other types follow standard relationship |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_prdpry),log10(ae_prdpry)*error) |
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call invnormal(b,p,b_prdpry,be_prdpry*error) |
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pp_opt(jp) = 10. _d 0**a * biovol(jp) ** b |
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endif |
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c STANDARD DEVIATION OF SIZE PREFERENCE |
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pp_sig(jp) = 0.50 _d 0 |
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c FRACTION GRAZED TO DOM |
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do io=1,iomax-iChl |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_beta_graz(io)),log10(ae_beta_graz(io))*error) |
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call invnormal(b,p,b_beta_graz(io),be_beta_graz(io)*error) |
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beta_graz(io,jp) = 10. _d 0**a * biovol(jp) ** b |
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beta_graz(io,jp)=min(max( |
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& beta_graz(io,jp),0.1 _d 0),0.9 _d 0) |
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c FRACTION MORTALITY TO DOM |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_beta_mort(io)),log10(ae_beta_mort(io))*error) |
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call invnormal(b,p,b_beta_mort(io),be_beta_mort(io)*error) |
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beta_mort(io,jp)= 10. _d 0**a * biovol(jp) ** b |
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beta_mort(io,jp)=min(max( |
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& beta_mort(io,jp),0.1 _d 0),0.9 _d 0) |
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enddo |
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c GRAZING HALF-SATURATION |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_kg),log10(ae_kg)*error) |
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call invnormal(b,p,b_kg,be_kg*error) |
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kg(jp) = 10. _d 0**a * biovol(jp) ** b |
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c PHYTOPLANKTON SINKING |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_biosink),log10(ae_biosink)*error) |
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call invnormal(b,p,b_biosink,be_biosink*error) |
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if (pft(jp).eq.6) then |
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biosink(jp) = 0.0 _d 0 ! grazers don't sink |
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else |
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biosink(jp) = (10.0 _d 0**a) * biovol(jp) ** b |
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endif |
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c SWIMMING |
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p = darwin_random(myThid) |
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IF (a_bioswim.NE.0. _d 0) THEN |
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call invnormal(a,p, |
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& log10(a_bioswim),log10(ae_bioswim)*error) |
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call invnormal(b,p,b_bioswim,be_bioswim*error) |
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if (autotrophy(jp).eq.1) then |
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bioswim(jp) = 0.00 _d 0 ! only grazers can swim |
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else |
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bioswim(jp) =-(10.0 _d 0**a) * biovol(jp) ** b |
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endif |
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ELSE |
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bioswim(jp) = 0.00 _d 0 |
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ENDIF |
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c MORTALITY |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_mort),log10(ae_mort)*error) |
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call invnormal(b,p,b_mort,be_mort*error) |
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kmort(jp) = 10. _d 0**a * biovol(jp) ** b |
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! if (pft(jp).eq.6) then |
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! kmort(jp) = kmort(jp) / 8.0 _d 0 |
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! endif |
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! parameters relating to inorganic nutrients |
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do ii=1,iimax |
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c MAXIMUM NUTRIENT UPTAKE RATE |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_vmaxi(ii)),log10(ae_vmaxi(ii))*error) |
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call invnormal(b,p,b_vmaxi(ii),be_vmaxi(ii)*error) |
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if (ii.eq.iDIC) then |
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vmaxi(ii,jp)= 10. _d 0**a * biovol(jp) ** b |
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& * taxon_mu(jp) |
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else |
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vmaxi(ii,jp)= 10. _d 0**a * biovol(jp) ** b |
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& * autotrophy(jp) |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_kn(ii)),log10(ae_kn(ii))*error) |
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call invnormal(b,p,b_kn(ii),be_kn(ii)*error) |
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kn(ii,jp) = 10. _d 0**a * biovol(jp) ** b |
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! * * autotrophy(jp) |
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endif |
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enddo |
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#ifdef SQUOTA |
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! Silicate parameters to zero for non-diatoms |
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vmaxi(iSi,jp) = vmaxi(iSi,jp) * float(use_Si(jp)) |
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#endif |
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c |
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if (use_NO3(jp).eq.0) then |
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! prochlorocococcus can't use NO3 |
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vmaxi(iNO3,jp) = 0.0 _d 0 |
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! but have higher NH4 affinity |
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vmaxi(iNH4,jp) = vmaxi(iNH4,jp) * 2.0 _d 0 |
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endif |
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! parameters relating to quota nutrients |
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do io=1,iomax-iChl |
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c EXCRETION |
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if ((io.eq.iCarb.or.io.eq.iNitr.or.io.eq.iPhos) |
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& .and.a_kexc(io).NE.0. _d 0 |
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& .and.ae_kexc(io).NE.0. _d 0) then |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_kexc(io)),log10(ae_kexc(io))*error) |
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call invnormal(b,p,b_kexc(io),be_kexc(io)*error) |
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kexc(io,jp) = 10. _d 0**a * biovol(jp) ** b |
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else |
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kexc(io,jp) = 0. _d 0 |
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endif |
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if (io.ne.iCarb) then |
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c MINIMUM QUOTA |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_qmin(io)),log10(ae_qmin(io))*error) |
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call invnormal(b,p,b_qmin(io),be_qmin(io)*error) |
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qmin(io,jp) = 10. _d 0**a * biovol(jp) ** b |
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c MAXIMUM QUOTA |
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p = darwin_random(myThid) |
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call invnormal(a,p, |
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& log10(a_qmax(io)),log10(ae_qmax(io))*error) |
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call invnormal(b,p,b_qmax(io),be_qmax(io)*error) |
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qmax(io,jp) = 10. _d 0**a * biovol(jp) ** b |
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endif |
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enddo |
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#ifdef SQUOTA |
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! Silicate parameters to zero for non-diatoms |
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qmin(iSili,jp) = qmin(iSili,jp) * float(use_Si(jp)) |
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qmax(iSili,jp) = qmax(iSili,jp) * float(use_Si(jp)) |
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#endif |
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c Zooplankton have approximately Redfieldian N:C ratio |
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if (pft(jp).eq.6) then |
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qmin(iNitr,jp) = 0.0755 _d 0 |
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qmax(iNitr,jp) = 0.1510 _d 0 |
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endif |
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c PREFERENCE FUNCTION |
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! assign grazing preference according to predator/prey radius ratio |
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do jp2=1,npmax ! jp2 denotes prey |
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if (heterotrophy(jp).gt.0. _d 0.and.pft(jp2).ne.6) then |
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prd_pry = biovol(jp) / biovol(jp2) |
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graz_pref(jp,jp2) = |
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#ifdef SWITCH3 |
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! lower preference for larger P |
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! & 1.0 _d 0 |
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& biovol(jp2)**(-0.16 _d 0) |
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#else |
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& exp(-(log(prd_pry/pp_opt(jp))**2) / (2*pp_sig(jp)**2)) |
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& / pp_sig(jp)/2. _d 0 |
| 329 |
|
|
#endif |
| 330 |
|
|
c |
| 331 |
|
|
if (graz_pref(jp,jp2).lt.1. _d -4) then |
| 332 |
|
|
graz_pref(jp,jp2)=0. _d 0 |
| 333 |
|
|
endif |
| 334 |
|
|
assim_graz(jp,jp2) = ass_eff |
| 335 |
|
|
else |
| 336 |
|
|
graz_pref(jp,jp2) = 0. _d 0 |
| 337 |
|
|
endif |
| 338 |
|
|
enddo |
| 339 |
|
|
c |
| 340 |
|
|
c.......................................................... |
| 341 |
|
|
c generate phyto Temperature Function parameters |
| 342 |
|
|
c....................................................... |
| 343 |
|
|
phytoTempCoeff(jp) = tempcoeff1 |
| 344 |
|
|
phytoTempExp1(jp) = tempcoeff3 |
| 345 |
|
|
phytoTempExp2(jp) = tempcoeff2_small |
| 346 |
|
|
& + (tempcoeff2_big-tempcoeff2_small) |
| 347 |
|
|
& * float(jp-1)/npmaxm1 |
| 348 |
|
|
phytoTempOptimum(jp) = 2. _d 0 |
| 349 |
|
|
phytoDecayPower(jp) = tempdecay |
| 350 |
|
|
|
| 351 |
|
|
c.......................................................... |
| 352 |
|
|
enddo |
| 353 |
|
|
|
| 354 |
|
|
|
| 355 |
|
|
RETURN |
| 356 |
|
|
END |
| 357 |
|
|
#endif /*ALLOW_QUOTA*/ |
| 358 |
|
|
#endif /*ALLOW_DARWIN*/ |
| 359 |
|
|
#endif /*ALLOW_PTRACERS*/ |
| 360 |
|
|
|
| 361 |
|
|
c =========================================================== |
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