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LATITUDE
LONGITUDE
9
DEPTH
7
DATE
6
SHIPS
6
GEOGRAPHIC REGION >
5
OCEAN >
5
SOUTHERN OCEAN
5
oceans
5
AMD
4
CEOS
4
CTD
4
EARTH SCIENCE
4
POLAR
4
ALKALI
3
AMD/AU
3
ANTARCTICA
3
BTLNBR
3
CAROTENOIDS
3
CASTNO
3
CCL4
3
CFC-11
3
CFC-12
3
CFC113
3
CHEMTAX
3
CHLOROPHYLL
3
CHLOROPHYLL A
3
CLIMATE CHANGE
3
CONTINENT >
3
CTDOXY
3
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