98 



BROECKER 



[CHAP. 4 



THREE RESERVOIR MODEL (Coses IE A ond 1KB) 



OS 



T 0.09 All. 



0.60 A U. 



0.94 V.U. 



CD 



ff|3 





"polar" 



_ OCEAN 

 C7C A = 0.885 



T C02 = 65 YR 



T DS = 75YR 



O.I5V.U.(A) 

 £3I0.45V.U.(B) 



SURFACE OCEAN 

 C/Ca = 0.965 



-C02 



u 



YR (A) 

 27 YR (B) 

 22 YR (A) 

 80 YR(B) 



DEEP OCEAN 

 C/C A = 0.800 



Trn =T n c = 850 YR 



-co 



'OS 



6.1 VU. (A) 

 5.8 V.U. (B) 



E, =1, = E 3 =I 3 = 22 M/M7YR 

 4, I, = 4.8xlO l5 M/YR 

 4 3 I 3 =0.7 xlO 15 M/YR 



tf| 3 = ff 3 l = l.9xl0 15 M/YR 

 fl ? v ff v =2.4 xlO 15 M/YR 



I D.U (A) 

 3DU(B) 



35 D.U, (A) 

 33 D.U. (B) 



Fig. 4. Cases A and B differ in the thickness assigned to the surface layer. No direct 

 mixing is assumed to occur between reservoirs 1 and 3. 



9 



£3 



0.09 A.U. 



THREE RESERVOIR MODEL (Cases EC and EI D) 



5 f 0.60 A U 



0.94 VU. 



*^ ? 



"POLAR" 

 _ OCEAN 

 C/C A = 0.885 



T C o 2 = 70 YR 

 T D .s.= HOYR 



o l3 O.I5 V.U.(C) 

 2-31 Q45 V.U (D) 



SURFACE OCEAN 

 C/C. -- 0.965 



- [18 YR (C) 

 C0 2 [55 YR (D) 

 . f 90 YR (C) 

 " \270 YR (D) 



D S 



DEEP OCEAN 

 C/C k = 0.800 



"^C02 = ^D.S. 



850 YR 



6.1 V.U.(C) 

 5.8 VU. (D) 



ff, 3 = ff 3l = 0.6 xlO 15 M/YR 

 ff 23=^2 = 2.4xlO l5 M/YR 



I D.U (C) 

 3 D.U (D) 



35 D.U. (C) 

 33 D.U. (D) 



E|=I| = IOM/M 2 /YR 

 E 3 =7 3 =50M/M 2 /YR 

 A\ I\ =2.2xl0 15 M/YR 

 As I 3 = l.7xl0 l5 M/YR 



Fig. 5. Cases C and D differ in the thickness assigned to the surface layer. These two cases 

 differ from the two in Fig. 4 only in the value assigned to the ratio of the exchange 

 rate for the polar ocean to that for the surface ocean. 



