426 



J. L. Tiwari et al. 



TABLE 10-3 (Continued) 



Symbol Process 



Equation 



^804v RB845 



Death 

 RB849 



^804 



^4 01 



Egestion 



J[:804(l~^8 16) ^820 



^101^„„ (1-^81 l) +^201y_ (1-^812) + 

 ■A.804 A804 



X202j,^il-ksi3)+X203^ (1-^814) + 

 -^804 -^803 



•^804v- RB853 



•^6 02 



Respiration 



•^804 



^804^2 2^82 3 



TEMP 



TA BLE 1 0-4 Parameters of the Benthic Model 



Symbol Description 



Value 



k\ Specific (per mg) K^o. for photosynthesis of benthic surface 0.05 



algae at reference temperature (mg C (mg C hr) ') 



ki Half-saturation constant for light for benthic surface algal 10.0 



photosynthesis (cal cm "hr"') 2.5 

 A 3 ^1(1 for benthic surface algal photosynthesis 



ki Half-saturation constant for benthic surface algal photosynthesis 0.01 



as a function of size of interstitial PO4-P pool (mg P m ') 0.01 

 A:.', Specific (per mg) respiration rate for surface benthic algae at 



reference temperature (mg C (mg C hr) ') 2.0 

 /ch Q in for surface benthic algal respiration 



ki Specific (per mg) burial rate of surface benthic algae (mg C (mg C hr) ') 0.15 

 Ah Specific (per mg)dark excretion rate of benthic surface algae (mg C(mg C hr) ') 0.001 



ki Fraction of gross benthic surface algal photosynthesis excreted to U-DOC 0.2 



k\\ Specific (per mg) death rate of benthic surface algae (mg C (mg C hr) ') 0.015 



^12 Mean sediment depth for benthic surface algae (cm) 0.3 cm 



Ai:) Mean sediment depth for benthic buried algae (cm) 2.7 cm 

 /cu Fraction of algae, both surface and buried, transferred to detritus as a 



result of death 0.60 



k\„ ^11) for photosynthetic half-saturation constant 3.0 

 k 101 Specific (per mg) K™^, for uptake of U-DOC by benthic bacteria 



at reference temperature (mg C (mg C hr) ') 0.05 

 k loi Half-saturation constant for U-DOC uptake by benthic bacteria (mg Cm") 0.05 



k\a.> ^11) for U-DOC uptake by benthic bacteria 2.0 



)tio4 Specific (per mg) K„<„ for uptake of R-DOC by benthic bacteria 0.005 



at reference temperature (mg C (mg C hr) ') 



k 10.^ Half-saturation constant for R-DOC uptake by benthic bacteria 500.0 



(mgCm "') 



A 106 ^10 for R-DOC uptake by bacteria 2.0 



/cioT Rate of bacterial hydrolysis of benthic detritus per mg of bacteria and 3.7 x 10" 

 per mg of detritus mg C (mg C) ' ' (mg C hr) " ' 



