OCR Text |
Show Diagrammatic Model of Pleistocene- Holocene Transition ( PHT) Deep Water Production and Air Temperatures in the North Atlantic Basin ( modified from Broecker, 1991, fig. 9, and other sources) Toggled On 20± 5 Sv+ ® Toggled Off ^ © © © v J \ J Warm r^ \ J 6.5± 1.5° C © Cold ~ l 1 13 12 Age ( 103 Libby Years) 15 14 11 10 Pleistocene- Holocene Transition ( PHT) Episodes in Northern Europe A Pomeranian ( LGM south of Baltic Sea) B Raunis ( near Gulf of Riga?) C Oldest Dryas D Boiling E Older Dryas F Allerod G Younger Dryas H Boreal "•" North Atlantic deep water ( NADW) production: thermohaline recharge of aerated abyssal water in oceanic general circulation; one Sverdrup ( Sv) = 106 m3 s- 1. |