Class 12 - 2/21/11
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Unformatted text preview: 2/21/11
 GEOG
371
–
February
22,
2011
 SYNOPTIC,
MESO‐
AND
MICRO‐ SCALES
 Scales
of
Transport
Systems
 •  Macroscale
 •  Synop6c
Scale
 •  Mesoscale
 •  Microscale
 1
 2/21/11
 SynopAc
Scale
 SynopAc
scale
and
dispersion
 •  •  •  •  A
day
or
longer
 Horizontal
mixing
 Storms
cause
removal
 Stagnant
systems
enhance
polluAon
 2
 2/21/11
 Mesoscale
 •  Thermally
induced
 circulaAons
 –  Sea
and
land
breezes
 –  Monsoon
circulaAons
 –  Urban
heat
islands
 –  Mountain
and
valley
 winds
 –  KatabaAc
winds
 Mesoscale
 •  Mechanically
 forced
circulaAons
 –  Upslope
and
 downslope
winds
 •  Lee
Waves
 •  Mountain‐wake
 circulaAons
 3
 2/21/11
 Scales
of
Transport
Systems
 •  Macroscale
 •  SynopAc
Scale
 •  Mesoscale
 •  Microscale
 The
Boundary
Layer
 •  The
porAon
of
the
atmosphere
influence
by
 earth s
surface
 •  Responds
to
surface
forcing
in
1
hour
or
less
 4
 2/21/11
 Boundary
Layer
EvoluAon
 Temperature
Profile
of
the
BL
 Images
From:
Meteorology
for
ScienAsts
and
 Engineers
by
Roland
B.
Stull,
Brooks/Kole,
 2000.
 5
 2/21/11
 Winds
in
the
BL
 Images
From:
Meteorology
for
ScienAsts
and
 Engineers
by
Roland
B.
Stull,
Brooks/Kole,
 2000.
 Next
Ame…
 •  Stability
 •  Inversions
 •  Turbulence
 6
 ...
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This note was uploaded on 06/16/2011 for the course GEOG 371 taught by Professor Hiscox during the Spring '11 term at South Carolina.

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