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54 Environmental Sciences
1
Atlantic Ocean
1
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
1
Biosphere
1
Carbon Compounds
1
Carbon Dioxide
1
Carbon Oxides
1
Chalcogenides
1
Climates
Environment
1
Environmental Impacts
1
Environmental Transport
1
Global Aspects
1
Greenhouse Effect
1
Mass Transfer
1
Mathematical Models
1
North America
1
Oxides
1
Oxygen Compounds
1
Pollution Sources
1
Research Programs
1
Seas
1
Seasonal Variations
1
Sinks
1
Surface Waters 500200* -- Environment
1
Usa
Variations
1
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