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Norway
lidar
77
550
74
data set
52
observatory
52
Arctic
27
calibration
27
inhomogeneity
27
laser
27
middle atmosphere
27
wind measurement
27
Mie theory
25
Raman spectroscopy
25
aerosol
25
backscatter
25
boundary layer
25
correction
25
electron density
25
polar mesosphere summer echo
25
polar mesospheric cloud
25
radar
25
stratosphere
25
sublimation
25
sulfate
25
ddc:550
3
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