大洋表层水的δ~（18）O值与盐度呈极好的正相关关系，这种关系是探讨大洋深层水来源问题的重要依据。
It has been found that a good positive correlation exists between the δ ~ ( 18 ) O values and the salinity of the ocean surface water , which may be an important clue to the study of the deep water sources of the ocean .
大洋深层水