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Norway
lidar
70
550
67
data set
47
observatory
47
Arctic
24
calibration
24
inhomogeneity
24
laser
24
middle atmosphere
24
wind measurement
24
Mie theory
23
Raman spectroscopy
23
aerosol
23
backscatter
23
boundary layer
23
correction
23
electron density
23
polar mesosphere summer echo
23
polar mesospheric cloud
23
radar
23
stratosphere
23
sublimation
23
sulfate
23
ddc:550
3
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