172
Theory of the Ventilated Thermocline
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800
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1000
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1300
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1>00
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a
Plllent~l Densrty (R/cm')
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b
Poten1~1 Densrty (R/cm')
....
---Globe
. ...
---Pacthc
................. Northern Hemtsphere
.................. North Pac:ol!c
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-------Southern Hem1~phere
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------South Pactflc
....
. ...
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·· ....... ····· .. ·················
100
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300
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600
600
700
700
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900
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1000
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1100
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,, 1300
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c
Potential Density (t/cm~
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d
PoteniLJI Oens1ly (g!cnfJ)
....
---Allan!!(
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---lndtan
................. North AtlantiC
··················North lndtan
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------South AtYnttc
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------South lnd•an
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Fig. 4.1.1a--d. Basin-averaged potential density versus depth curves for the principal oceans.
a Global average, b Pacific Ocean, c Atlantic Ocean, d Indian Ocean. (From Levitus 1982)