Table 9-5: Amount of enzyme needed to resolve transfer velocity discrepancy, and effect of this in the net global air-sea CO₂ flux.

	weekly winds						weekly winds split by Rayleigh distⁿ
				OH^- reaction rate*6						OH^- reaction rate*6
enzyme distributionÞ	chl only	chloro & physiology		chl only	chloro & physiology		chl only	chloro & physiology		chl only	chloro & physiology
		low cost	high cost		low cost	high cost		low cost	high cost		low cost	high cost
Global average transfer velocity without enzyme (x10^-2 mol m^-2yr ^-1m atm^-1)	3.217			3.331			3.807			3.946
Net global air-sea CO₂ flux without enzyme (Mt C yr^-1)	1869			1851			2196			2190
Average enzyme concentration (nM) needed to increase global average transfer velocity to 5.3 x10^-2 mol m^-2yr ^-1m atm^-1	69.98	66.37	86.28	67.42	63.92	82.59	40.14	37.68	56.64	36.89	34.58	51.54
Net global air-sea CO₂ flux due to this amount of enzyme	2370	2705	4340	2351	2671	4209	2582	2775	3828	2554	2732	3676
Net global air-sea CO₂ flux: % increase due to this enzyme	26.8	44.8	132.2	27.0	44.3	127.4	17.6	26.4	74.4	16.6	24.7	67.8
Average enzyme concentration (nM) needed to increase global average transfer velocity to 6.2 x10^-2 mol m^-2yr ^-1m atm^-1	112.3	107.2	137.4	110.6	105.5	134.6	83.9	80.0	112.5	81.9	78.0	108.6
Net global air-sea CO₂ flux due to this amount of enzyme	2668	3183	5650	2661	3165	5533	2927	3278	5117	2913	3253	4985
Net global air-sea CO₂ flux: % increase due to this enzyme	42.8	70.3	202.3	43.7	71.0	198.9	33.3	49.3	133.1	33.0	48.5	127.6