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Environmental sciences
Environmental technology. Sanitary engineering
GE1-350
2
Physics
2
Q
2
QC1-999
2
Science
TD1-1066
2
permafrost
Arctic transport
1
Corona
1
Quickbird
1
arctic ecosystems
1
climate change
1
ice roads
1
land surface models
1
land use change
1
remote sensing indices
1
winter roads
1
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