Earth & Environmental Sciences
nitric acid
82%
denitrification
66%
vortex
65%
sedimentation
55%
winter
45%
backscatter
43%
polar stratospheric cloud
41%
particle
37%
covariance analysis
19%
tropopause
17%
mixing ratio
15%
lidar
14%
sea ice
13%
flight
12%
trajectory
11%
cold
10%
particle size
10%
matrix
8%
calculation
8%
analysis
3%
Agriculture & Biology
nitric acid
95%
denitrification
89%
winter
49%
tropopause
32%
lidar
23%
sea ice
22%
mixing ratio
20%
analysis of covariance
18%
Northern European region
17%
heading
15%
trajectories
15%
Norway
14%
particle size
13%
legs
13%
flight
12%
color
8%
Physics & Astronomy
nitric acid
100%
winter
95%
vortices
54%
Spitsbergen (Norway)
24%
tropopause
21%
sea ice
20%
trajectory analysis
19%
strata
15%
mixing ratios
15%
settling
14%
optical radar
13%
depolarization
12%
flight
11%
color
8%
Chemical Compounds
Denitrification
97%
Sedimentation
72%
Nitric Acid
66%
Depolarization
41%
Size Distribution
32%
Velocity
31%
Volume
21%
Amount
15%