Greek Symbols
a
Azimuthal angle; thermal diffusivity; hill slope angle; heat capacity per
unit area
a k
Kolmogorov dimensionless constant
a i
Radiation absorption of ith gas by the analyzer
a n
Weighting factor
a(k)
Absorbance
b
Bowen ratio; thermal expansion coefficient; solar height
c
Psychrometric constant; hygroscopic growth parameter
c*
Modified psychrometric constant
Dz max
Height of maximum acceleration
Dh
Potential temperature variation
Dx
Fundamental infinitesimal frequency
d
Internal boundary height; solar declination
d ij
Kronecker’s delta
d l
Height of laminar boundary layer
d Test
Height of thermal boundary layer under stability conditions
d tl
Laminar thermal boundary layer
e
Viscous dissipation
e
Emissivity
e a
Atmospheric emissivity
η
Kolmogorov microscale; angle concerning the first coordinate rotation
H
Angular velocity of Earth’s rotation
h
Potential temperature
h c
Critical Shields parameter
h v
Virtual potential temperature
j H
Laminar diffusion for sensible heat
j M
Laminar diffusion for momentum
j V
Laminar diffusion for water vapor
K
Infinitesimal volume, Eulerian length scale
k
Wavelength
k BV
Natural wavelength
k max
Maximum radiation emission wavelength
l
Dynamic viscosity
m
Kinematic viscosity; radiation frequency
xxiii