High Low Thermally Driven Direct Circulation Low High Vertical and horizontal motion Equation of Motion a d V dt G P z P n C ID: 276985
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Slide1
Low High
High Low
Thermally Driven Direct Circulation
Low High
Vertical and horizontal motionSlide2Slide3
Equation of Motion a = d
V/dt = G + Pz
+ Pn +
C + F = -gk - (1/
ρ)p - fk
x V - bV
Geostrophic assumptions: Hydrostatic equilibrium
G + Pz
= 0 Friction negligible
F = 0 Uniform pressure gradient P
n is constant (straight parallel evenly spaced isobars)
No net acceleration a =
Pn + C
= 0
H
L
P
n
=
a
V
0
= 0Slide4
Equation of Motion a
=
d
V
/dt = G +
Pz + Pn
+ C + F = -gk
- (1/ρ)p - fk
x V - bV
Geostrophic assumptions: Hydrostatic equilibrium
G + P
z = 0
Friction negligible F = 0
Uniform pressure gradient Pn is constant (straight parallel evenly spaced isobars)
No net acceleration a = P
n + C = 0
H
L
V
=
V
0
+
=
V
0
+
a
a
=
P
n
+
C
P
n
C
Slide5
Equation of Motion a
=
d
V
/
dt = G +
Pz + Pn +
C + F = -gk - (1/
ρ)p - fk x V
- bV
Geostrophic assumptions: Hydrostatic equilibrium
G + P
z
= 0 Friction negligible F = 0 Uniform pressure gradient
Pn is constant (straight parallel evenly spaced isobars)
No net acceleration a = Pn
+ C = 0
H
L
a
=
P
n
+
C
P
n
C
V
+
Slide6
Equation of Motion a
=
d
V
/
dt = G +
Pz + Pn +
C + F = -gk - (1/
ρ)p - fk x V
- bV
Geostrophic assumptions: Hydrostatic equilibrium
G + P
z
= 0 Friction negligible F = 0 Uniform
pressure gradient Pn is constant (straight parallel evenly spaced isobars)
No net acceleration a = Pn
+ C = 0
H
L
a
=
P
n
+
C
P
n
C
V
+
Slide7
Equation of Motion a
=
d
V
/
dt = G +
Pz + Pn +
C + F = -gk - (1/
ρ)p - fk x V
- bV
Geostrophic assumptions: Hydrostatic equilibrium
G + P
z
= 0 Friction negligible F = 0 Uniform
pressure gradient Pn is constant (straight parallel evenly spaced isobars)
No net acceleration a = Pn
+ C = 0
H
L
a
=
P
n
+
C
P
n
C
V
+
Slide8
Equation of Motion a
=
d
V
/
dt = G +
Pz + Pn +
C + F = -gk - (1/
ρ)p - fk x V
- bV
Geostrophic assumptions: Hydrostatic equilibrium
G +
Pz
= 0 Friction negligible F = 0 Uniform
pressure gradient Pn is constant (straight parallel evenly spaced isobars)
No net acceleration a = Pn
+ C = 0
H
L
a
=
P
n
+
C
P
n
C
V
+
Slide9
Equation of Motion a
=
d
V
/
dt
= G + P
z + Pn +
C + F = -gk - (1/
ρ)p - fk
x V - bV
Geostrophic assumptions: Hydrostatic
equilibrium G +
Pz = 0
Friction negligible F = 0 Uniform pressure gradient P
n is constant (straight parallel evenly spaced isobars) No
net acceleration a = Pn +
C = 0
H
L
a
=
P
n
+
C
P
n
C
V
+
Slide10
Equation of Motion a
=
d
V
/
dt
= G + P
z + Pn +
C + F = -gk - (1/
ρ)p - fk
x V - bV
Geostrophic assumptions: Hydrostatic
equilibrium G +
Pz = 0
Friction negligible F = 0 Uniform pressure gradient P
n is constant (straight parallel evenly spaced isobars) No
net acceleration a = Pn +
C = 0
H
L
a
=
P
n
+
C
P
n
C
V
+
Slide11
Equation of Motion a
=
d
V
/
dt = G + P
z + Pn + C
+ F = -gk - (1/ρ
)p - fk x V -
bV
Geostrophic assumptions: Hydrostatic equilibrium
G + P
z = 0
Friction negligible F = 0 Uniform pressure gradient
Pn is constant (straight parallel evenly spaced isobars)
No net acceleration a = Pn
+ C = 0
H
L
a
=
P
n
+
C
= 0
P
n
C
V
gSlide12