Table 9-3: Summary of all net global air-sea CO2 fluxes (a) and global average transfer velocities (b) calculated using the Liss and Merlivat parameterisation

Net global air-sea CO2 flux due to chemical enhancement (Mt C yr-1)

weekly winds

weekly winds split by rayleigh distn

   

OH- reaction rate*6

 

OH- reaction rate*6

diffusion only

+1905

+2218

uncatalysed

-36.1

-53.9

-22.2

-27.9

enz distribnÞ

chl only

chl & physiology

chl only

chloro & physiology

chl only

chloro & physiology

chl only

chloro & physiology

mean concnß

 

low cost

high cost

 

low cost

high cost

 

low cost

high cost

 

low cost

high cost

0.208nM

-34.5

-31.3

-18.7

-52.1

-49.1

-37.8

-16.1

-11.6

+2.8

-22.4

-18.5

-6.1

0.831nM

-29.8

-18.5

+25.2

-46.5

-36.0

+4.1

-2.2

+12.4

+57.9

-8.9

+4.1

+44.4

3.323nM

-10.5

+26.6

+165.0

-24.9

+10.7

+140.3

+38.3

+81.2

+213.2

+31.9

+71.9

+192.1

13.293nM

+66.5

+178.8

+567.1

+56.9

+166.1

+537.8

+152.5

+266.3

+609.2

+148.4

+258.4

+580.2

53.172nM

+347.1

+645.8

+1587.9

+343.2

+639.0

+1554.1

+467.1

+741.1

+1529.8

+466.2

+736.7

+1495.2

Average transfer velocity due to chemical enhancement (x10-2 mol m-2 yr-1 m atm-1)

 

weekly winds

weekly winds split by rayleigh distn

 

 

OH- reaction rate*6

 

OH- reaction rate*6

diffusion only

3.055

3.566

uncatalysed

0.162

0.276

0.241

0.380

enz distribnÞ

chl only

chl & physiology

chl only

chloro & physiology

chl only

chloro & physiology

chl only

chloro & physiology

mean concnß

 

low cost

high cost

 

low cost

high cost

 

low cost

high cost

 

low cost

high cost

0.208nM

0.1780

0.1785

0.1803

0.2899

0.2903

0.2918

0.2632

0.2637

0.2635

0.3983

0.3987

0.3985

0.831nM

0.2179

0.2200

0.2232

0.3262

0.3280

0.3308

0.3147

0.3171

0.3129

0.4430

0.4448

0.4415

3.323nM

0.3505

0.3580

0.3555

0.4499

0.4567

0.4553

0.4720

0.4805

0.4550

0.5850

0.5921

0.5714

13.293nM

0.7571

0.7810

0.7271

0.8400

0.8625

0.8148

0.9083

0.9327

0.8214

0.9955

1.0180

0.9210

53.172nM

1.8876

1.9538

1.6625

1.9480

2.0126

1.7356

2.0020

2.0636

1.6781

2.0599

2.1190

1.7598