Physics & Astronomy
temperate regions
82%
F region
71%
gravity waves
65%
spread F
44%
inoculation
20%
irregularities
19%
electric fields
16%
upwelling water
14%
perturbation
12%
volcanic eruptions
11%
radar
9%
ionospheres
9%
Japan
9%
electrodynamics
9%
wave propagation
7%
nonlinearity
6%
gravitation
6%
modulation
6%
magnetic fields
4%
wavelengths
4%
Engineering & Materials Science
F region
100%
Gravity waves
83%
Electric fields
25%
Ionosphere
12%
Electrodynamics
11%
Wave propagation
9%
Gravitation
8%
Wavelength
8%
Magnetic fields
7%
Earth (planet)
7%
Radar
7%
Modulation
7%
Earth & Environmental Sciences
F region
66%
gravity wave
55%
electric field
25%
seeding
20%
atmospheric wave
11%
electrodynamics
11%
nonlinearity
8%
wave propagation
8%
ionosphere
8%
upwelling
8%
magnetic field
8%
volcanic eruption
7%
wavelength
6%
radar
6%
gravity
6%
analysis
2%