xviii
List of Symbols
{mol m-2 s-' }
W s 2 I
{mol m-2 s-' }
{mol m-2 s-I )
{mol mF2 s-I }
{mol m-2 s-I }
{mol m-2 s-I }
{mol m-2 s-' )
{mol m-2 s-' )
{mol mF2 s-I }
{mol mP2 s-I }
{mol m-2 s-I }
{w/m2 )
{m}
IJ SJ
{w/m2 }
{kg rnV2 s-' )
{W m-' c-I 1
{ J/K}
{m
2 1s)
{m
2 IS}
{m
2 1s)
{kg s m-3 }
{m
2 /m
2 }
(W/m 2 )
jlux density ofj at location z
gravitational constant
conductance for heat
boundary layer conductance for heat
whole body conductance (coat and tissue)
for an animal
coat conductance for heat
sum of boundary layer and radiative
conductances
tissue conductance for heat
radiative conductance
conductance for vapor
boundary layer conductance for vapor
surface or stomata1 conductance for vapor
soil heatJEwc density
canopy height
Planck's constant
relative humidity
sensible heatJEwc density
water+ density
thermal conductivity
Boltzmann constant
canopy extinction coeficient
extinction coeficient of a canopy of black
leaves with an ellipsoidal leaf angle
distribution for beam radiation
extinction coeficient of a canopy of black
leaves for dzfuse radiation
eddy dzfusivity for momentum
eddy dzfusivity for heat
eddy diflusivity for vapor
saturated hydraulic conductivity of soil
total leaf area index ofplant canopy
emitted long-wave radiation
leaf area index above some height in a
canopy
sunlit leaf area index in a complete canopy
airmass number
metabolic rate
basal metabolic rate
molar mass of gas j
number of moles of gas j
partial pressure of gas j
atmospheric pressure
speciJic humidity (mass of water vapor
divided by mass of moist air)
PAR photonjux density