Figure 20. — Climatic maps showing summer sea 

 surface temperature distributions in (he North 

 Atlantic and adjoining regions for the present 

 and 17,000 years ago. 



Figure 21. — Anomaly map showing surface 

 temperature changes for August in the North 

 Atlantic and adjoining regions. Temperature 

 17,000 years ago minus present temperatures 

 in C°. 



A Lamont-Dohcrty Geological Observatory scientist carries out paleontological examinations of 

 bottom cores to help construct CLIMAP paleooceanographic maps. 



22 



