The table below shows the most common keywords used by the author. The letters in brackets after some keywords denote if the keyword corresponds to Solar Physics (S) or Heliospheric Physics (H).
| Keyword
| Occurrences
|
|---|
| Interplanetary Magnetic Fields [H]
| 13
|
| Eiscat Radar System (europe)
| 10
|
| Magnetopause
| 7
|
| Solar Wind [H]
| 6
|
| Polar Regions
| 6
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 6
|
| Geophysics
| 6
|
| Magnetic Field Reconnection
| 5
|
| Solar Terrestrial Interactions
| 5
|
| Greenwich Photo-heliographic Results
| 5
|
| Sunspots [S]
| 5
|
| Auroral Zones
| 4
|
| Sun: Flares [S]
| 4
|
| Daytime
| 4
|
| Ampte (satellites)
| 4
|
| Magnetic Storms
| 4
|
| Magnetohydrodynamic Flow
| 4
|
| Solar Cycles
| 3
|
| F Region
| 3
|
| Polar Caps
| 3
|
| Ionospheric Disturbances
| 3
|
| Ion Temperature
| 3
|
| Electric Fields
| 3
|
| Earth Ionosphere
| 3
|
| Positions And Areas Of Sunspots And Faculae
| 3
|
| Earth Magnetosphere
| 3
|
| Magnetic Fields
| 2
|
| Aurora
| 2
|
| Solar-terrestrial Relationships
| 2
|
| History Of Astronomy
| 2
|
| Atmospheric Circulation
| 2
|
| Astrophysics - Earth And Planetary Astrophysics
| 2
|
| Physics - History And Philosophy Of Physics
| 2
|
| Geomagnetism
| 2
|
| Geomagnetic Tail
| 2
|
| Physics - Geophysics
| 2
|
| Solar Activity Effects
| 2
|
| Solar Wind Velocity
| 2
|
| Printed Publications
| 2
|
| Solar Activity
| 2
|
| Flow Velocity
| 2
|
| Ionospheric Heating
| 2
|
| Polar Cusps
| 2
|
| Meteorological Parameters
| 2
|
| Dynamic Pressure
| 2
|
| Ionosphere: Plasma Convection
| 2
|
| Plasma Dynamics
| 2
|
| Space Plasmas [H]
| 2
|
| Sun: Coronal Mass Ejections
| 2
|
| Radar Measurement
| 2
|
| Magnetospheric Instability
| 2
|
| Magnetosphere-ionosphere Coupling
| 2
|
| Convective Flow
| 2
|
| Convection
| 2
|
| Magnetosheath
| 2
|
| Interplanetary Physics: Interplanetary Magnetic Fields [H]
| 2
|
| Incoherent Scatter Radar
| 2
|
| Bow Waves
| 2
|
| Physics - Space Physics [H]
| 2
|
| Microstructure
| 2
|
| Neural Networks
| 1
|
| Monte Carlo Method
| 1
|
| Momentum Transfer
| 1
|
| Meteorology
| 1
|
| Mathematical Equations
| 1
|
| Maritime Observation
| 1
|
| Magnetospheric Physics: Solar Wind-magnetosphere Interactions
| 1
|
| Magnetospheric Physics: Plasma Convection
| 1
|
| Magnetospheric Physics: Magnetosheath
| 1
|
| Magnetospheric Physics: Auroral Phenomena
| 1
|
| Magnetometers
| 1
|
| Magnetically Trapped Particles
| 1
|
| Magnetic Fields:planets
| 1
|
| Magnetic Field Configurations
| 1
|
| Long-term Change
| 1
|
| Long Term Effects
| 1
|
| Lifetime
| 1
|
| Kinetic Energy
| 1
|
| Jupiter:magnetic Field
| 1
|
| Iue
| 1
|
| Isolated And Systematic Errors
| 1
|
| Ionospheric Sounding
| 1
|
| Ionospheric Ion Density
| 1
|
| Ionospheric F-scatter Propagation
| 1
|
| Ionospheric Drift
| 1
|
| Ionospheric Currents
| 1
|
| Ionosphere: Polar Ionosphere
| 1
|
| Ionosphere: Ionospheric Disturbances
| 1
|
| Ionosphere: Ionosphere-magnetosphere Interactions
| 1
|
| Ionosphere: Ionosphere-atmosphere Interactions
| 1
|
| Ionosphere: Instruments And Techniques
| 1
|
| Ionosphere: Auroral Ionosphere
| 1
|
| Ion Distribution
| 1
|
| Ion Beams
| 1
|
| Interstellar Gas
| 1
|
| Interplanetary Physics: Solar Wind Plasma [H]
| 1
|
| Interplanetary Medium [H]
| 1
|
| Interplanetary Magnetic Field:earth Ionosphere
| 1
|
| Instrumentation
| 1
|
| Initial Corrections
| 1
|
| Incoherent Scattering
| 1
|
| Incident Radiation
| 1
|
| Identifiable Errors
| 1
|
| Hydrogen Atoms
| 1
|
| Homogeneity Of The Early Rgo Data
| 1
|
| Greenwich
| 1
|
| Geomagnetic Storm
| 1
|
| Geomagnetic Fields
| 1
|
| Geomagnetic Field:models
| 1
|
| Geomagnetic Field
| 1
|
| Generalised Checking Procedures
| 1
|
| Galactic Radiation
| 1
|
| Forecasting
| 1
|
| Flux Transfer Events
| 1
|
| Faculae
| 1
|
| Extremely Low Radio Frequencies
| 1
|
| Extraterrestrial Matter
| 1
|
| Errors In The Calculation Of Personal Correction Factors
| 1
|
| Energy Transfer
| 1
|
| Earth Ionosphere:interplanetary Magnetic Field
| 1
|
| Drift Rate
| 1
|
| Digital Datasets
| 1
|
| Derivation Of A New Dataset
| 1
|
| Density (number/volume)
| 1
|
| Days Without Solar Photographs
| 1
|
| Daily Number Of Sunspot Groups
| 1
|
| Cosmic Rays
| 1
|
| Correlation Coefficients
| 1
|
| Correlation
| 1
|
| Correcting The Datasets
| 1
|
| Collisionless Plasmas
| 1
|
| Coherent Scattering
| 1
|
| Cme
| 1
|
| Climatology
| 1
|
| Citizen Science
| 1
|
| Chinese Unaided-eye Observation
| 1
|
| Charged Particles
| 1
|
| Change Detection
| 1
|
| Ceres Asteroid
| 1
|
| Boundary Layers
| 1
|
| Auroras
| 1
|
| Aurorae
| 1
|
| Atmospheric Moisture
| 1
|
| Atmospheric Models
| 1
|
| Astrophysics
| 1
|
| Asteroids
| 1
|
| Arctic Regions
| 1
|
| Albedo
| 1
|
| Water Vapor
| 1
|
| Vorticity
| 1
|
| Vesta Asteroid
| 1
|
| Velocity Distribution
| 1
|
| Variability
| 1
|
| United Kingdom
| 1
|
| Ultraviolet Spectra
| 1
|
| Ultraviolet Astronomy
| 1
|
| Uk Satellites
| 1
|
| Typographic Errors
| 1
|
| Troposphere
| 1
|
| Topology
| 1
|
| Time Lag
| 1
|
| Temporary Invisibility Of Some Sunspot Groups
| 1
|
| Temporal Change
| 1
|
| Synoptic Measurement
| 1
|
| Sunspot Number
| 1
|
| Sunspot Nests
| 1
|
| Sunspot Nestlet
| 1
|
| Sunspot Groups That Exist For A Single Day
| 1
|
| Sunspot
| 1
|
| Sun-weather Relationship
| 1
|
| Stratospheric Warming
| 1
|
| Statistics
| 1
|
| Statistical Parameter
| 1
|
| Statistical Analysis
| 1
|
| Space Plasma Physics: Charged Particle Motion And Acceleration
| 1
|
| Solar–terrestrial Relations
| 1
|
| Solar Physics [S]
| 1
|
| Solar Observations
| 1
|
| Solar Ephemerides
| 1
|
| Solar Cycle
| 1
|
| Solar Cosmic Rays
| 1
|
| Solar Activity Cycle
| 1
|
| Solar Active Regions [S]
| 1
|
| Scientific Applications
| 1
|
| Satellite Observation
| 1
|
| Royal Greenwich Observatory
| 1
|
| Reconstructed Solar Images
| 1
|
| Radar Echoes
| 1
|
| Quality Control Procedures
| 1
|
| Programs
| 1
|
| Probability Function
| 1
|
| Probability Distribution Functions
| 1
|
| Preliminary Corrections
| 1
|
| Polarized Electromagnetic Radiation
| 1
|
| Polarization Characteristics
| 1
|
| Plasma Interactions
| 1
|
| Plasma Drift
| 1
|
| Plasma Currents
| 1
|
| Plasma Acceleration
| 1
|
| Planets And Satellites: Aurorae
| 1
|
| Planetary Radiation
| 1
|
| Physics - Plasma Physics [H]
| 1
|
| Physics - Atmospheric And Oceanic Physics
| 1
|
| Photosphere [S]
| 1
|
| Particle Trajectories
| 1
|
| Non-linear
| 1
|
| New Digital Dataset
| 1
|
| Wind Pressure
| 1
|