Keyphrases
Sprites
89%
Streamer
61%
Thundercloud
57%
Lightning Leader
42%
Sprite Streamers
42%
Thunderstorm
36%
Transient Luminous Events
34%
Lightning
33%
Runaway Electrons
30%
Optical Emission
26%
Lightning Discharge
26%
Electric Field (E-field)
25%
Terrestrial gamma-ray Flashes
21%
Photoionization
21%
Gigantic Jet
18%
High Altitude
18%
Blue Jet
17%
Ionosphere
17%
Discharge in Air
16%
Quasi-electrostatic
16%
Air Density
16%
Positive Streamer
15%
Lower Ionosphere
15%
Gravity Waves
13%
Electrical Discharge
13%
Mesosphere
12%
Thermal Runaway
12%
Cloud-to-ground Lightning Flash Density
12%
Modeling Results
11%
Earth's Atmosphere
11%
Streamer Discharge
11%
Sprite Halos
11%
Charge Moment Change
11%
Global Electric Circuit
11%
Schumann Resonance
9%
X-ray Emission
9%
Air Heating
8%
Molecular Nitrogen
8%
Applied Electric Field
8%
Streamer Initiation
8%
Elves
7%
Negative Streamer
7%
Polarity Asymmetry
7%
Compton Scattering
7%
Acoustic Waves
7%
Scattering Effect
7%
Upper Atmosphere
7%
Streamer Model
7%
Two Dimensional Model
7%
Atmospheric Pressure
7%
Earth and Planetary Sciences
Lightning
100%
Thunderstorm
54%
Emissions
39%
Light Emission
33%
Lower Ionosphere
24%
Cloud to Ground Lightning
21%
Electric Field
19%
Infrasonics
19%
Gravity Wave
19%
Atmospherics
17%
Earth Atmosphere
16%
Ionospherics
15%
Mesosphere
13%
Infrasound
12%
Sprite (Atmospheric Physics)
12%
Intracloud Discharges
12%
Atmospheric Emission
11%
Electron Avalanche
10%
Upper Atmosphere
10%
Numerical Model
10%
Electron Density
8%
Morphology
8%
Planetary Atmosphere
7%
Electrostatics
6%
Earth Surface
6%
Current Density
6%
Electron Beam
6%
Electrodynamics
6%
Dynamic Models
6%
D Region
5%
Electron Energy
5%
Physics
Gamma Radiation
37%
Electric Fields
32%
Light Emission
27%
Electrostatics
24%
Photoionization
20%
Gas Discharges
19%
Lower Ionosphere
16%
Infrasonics
16%
Energetics
15%
Earth Atmosphere
15%
Transients
14%
Numerical Model
11%
Atmospheric Pressure
10%
Infrasound
10%
Atmospherics
9%
Gravity Wave
9%
Electric Discharge
9%
Earth Ionosphere
8%
Photoelectric Emission
7%
Atmospheric Emission
7%
X-Ray Bursts
7%
Compton Scattering
6%
Electron Density
6%
Electromagnetic Radiation
6%
Circuits
6%
Energy Spectra
6%
Energy Transfer
6%
Ambient Air
6%
Bremsstrahlung
6%
Electron Avalanche
6%
Electron Energy
6%
Excitation
5%
Fluence
5%