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Environmental sciences
3
GE1-350
Arctic
1
Environmental pollution
1
Environmental protection
1
Environmental technology. Sanitary engineering
1
Geology
1
Physics
1
Q
1
QC1-999
1
QE1-996.5
1
Science
1
TD1-1066
1
TD169-171.8
1
TD172-193.5
1
climate indicators
1
melt season
1
passive microwave
1
sea ice
1
seasonal ice zone
1
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