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Environmental sciences
3
Environmental technology. Sanitary engineering
3
GE1-350
3
Physics
3
Q
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QC1-999
3
Science
TD1-1066
3
boreal forest
2
Arctic
1
Arctic tundra
1
Siberia
1
carbon dynamics
1
climate change
1
greening
1
normalized difference vegetation index
1
satellite remote sensing
1
tundra
1
vegetation productivity
1
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