428
15.12
e
esat
~e
Go
9
H
K~
k
kS- 1
L
LA!
Ly
Lx
L~
L~b
LIoA
L±
L1
L~nd
NDVI
rav
rc
r~in
r.
rsoil
ro
Sc
Ta
Tp
T.
TzOm
TzOh
W.G.M. Bastiaanssen
Appendix: List of symbols
air specific heat at constant pressure
effective soil vapour diffusivity
total soil liquid diffusivity
actual evaporation
actual vapour pressure
saturated vapour pressure
saturation vapour pressure deficit
at surface soil heat flux
acceleration due to gravity
sensible heat flux
incoming shortwave radiation
Von Karman's constant
normalized rougness coefficient
Monin-Obukov length
leaf area index
vertical length scale
horizonal length scale
incoming longwave radiation
black body spectral radiance
spectral radiance at sensor aperture
downwelling spectral radiance emitted from atmosphere
upwelling spectral radiance emitted from atmosphere
totally emitted and reflected spectral radiance from land
normalized difference vegetation index
air specific humidity
humidity scale
net radiation
J kg- 1 K- 1
m 2 S-1
kg s m- 1
m S-1
mbar
mbar
mbar
Wm- 2
m s-2
Wm- 2
Wm- 2
m
m 2 m- 2
m
m
Wm- 2
W m-2 mm- 1
Wm- 2 mm- 1
Wm- 2 mm- 1
Wm- 2 mm- 1
Wm- 2 mm- 1
aerodynamic resistance to heat transport
s m- 1
aerodynamic resistance to vapour transport
s m- 1
canopy resistance
s m- 1
minimum canopy resistance
s m- 1
bulk surface resistance
s m- 1
surface resistance to total bare soil evaporation
s m- 1
hemispherical surface reflectance of shortwave radiation -
fractional soil cover
air temperature
potential air temperature
soil temperature
aerodynamic surface temperature
heat source surface temperature
K
K
K
K
K