Geography Reference
In-Depth Information
t
Time
t
Unit vector parallel to a parcel trajectory
u
∗
Friction velocity
u
x component of velocity (eastward)
v
y component of velocity (northward)
wz component of velocity (upward)
w
∗
Vertical motion in log-pressure system
x,y,z
Eastward, northward, and upward distance, respectively
z
∗
Vertical coordinate in log-pressure system
A
An arbitrary vector
A
Area
B
Convective available potential energy
C
d
Surface drag coefficient
D
e
Depth of Ekman layer
E
Evaporation rate
E
I
Internal energy
F
A force; EP flux (Section 10.2)
Fr
Frictional force
G
Universal gravitational constant; zonal force (Section 10.2)
H
Scale height
J
Diabatic heating rate
K
Total horizontal wavenumber; kinetic energy (Section 9.3)
K
m
Eddy viscosity coefficient
L
A length scale
L
c
Latent heat of condensation
M
Mass; mass convergence in Ekman layer (Section 5.4); absolute zonal
momentum (Section 9.3); angular momentum (Section 10.3)
N
Buoyancy frequency
