Changes between Version 61 and Version 62 of DevelopmentActivities/MergeOCN/Vuichard

Timestamp:

2014-03-10T13:40:58+01:00 (10 years ago)

Author:

nvuilsce

Comment:

--

DevelopmentActivities/MergeOCN/Vuichard

@@ -205 +205 @@
 where n3 has units of umol(Chl) g(N), and Lc is cumula- tive LAI from the top of the canopy. ''
 
+ * Here below are the equations implemented in OCN (routine diffuco_trans_cexchange):
+{{{
+! n0        : nitrogen concentration in the top layer  
+! ntot      : total Canopy N               g/m2[ground]
+n0(iainia) = ntot(iainia) * kN / (1. - EXP( -kN * lai(iainia,jv) )) 
+}}}
+{{{
+!  Leaf N (mmol/m2) based on prescribed profile
+nfmol(iainia) = n0(iainia) * EXP( -kN * lc(iainia) ) * 1000.0 / 14.0 
+}}}
+{{{
+! Chlorophyll content of a layer
+n3l(iainia) = (6.0 - 3.6 * EXP( -0.7 * lc(iainia) ) ) &
+& * nf(iainia,jv)/nf_fix(jv) ! adjust to changing N leaf conc
+}}}
+