Physics & Astronomy
quasi-biennial oscillation
100%
stratosphere
74%
ionospherics
60%
sun
47%
thermosphere
17%
solar activity
14%
ionospheres
12%
atmospheric tides
11%
middle atmosphere
9%
mesosphere
8%
troposphere
8%
tides
8%
oscillations
7%
tropical regions
7%
gravity waves
7%
solar cycles
7%
solar radiation
6%
planetary waves
6%
electrodynamics
6%
photoionization
5%
periodic variations
5%
decomposition
4%
electrons
2%
Earth & Environmental Sciences
quasi-biennial oscillation
70%
stratosphere
51%
modeling
22%
thermosphere
13%
zonal wind
13%
solar activity
12%
ionosphere
11%
oscillation
9%
atmospheric tide
9%
semidiurnal tide
7%
decomposition analysis
7%
electrodynamics
7%
planetary wave
7%
middle atmosphere
7%
breaking wave
7%
total electron content
7%
mesosphere
6%
solar cycle
6%
wind field
6%
gravity wave
6%
periodicity
5%
general circulation model
5%
troposphere
5%
solar radiation
5%
satellite data
5%
transform
4%
experiment
2%
effect
1%