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
|
|---|
| Sunspots [S]
| 27
|
| Sun: Solar Cycle
| 25
|
| Sun: Sunspots
| 24
|
| Sun: Astrophysics - Solar And Stellar Astrophysics
| 24
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 21
|
| Sun: Solar Activity
| 21
|
| Solar Activity
| 19
|
| Sun: Observations
| 17
|
| Sun: Statistics
| 17
|
| Solar Cycle
| 16
|
| Sun: Sunspot Number
| 15
|
| Sun: Activity
| 14
|
| Sunspot Number
| 12
|
| The Sun [S]
| 10
|
| Iberian Peninsula
| 9
|
| Historical Records
| 7
|
| Maunder Minimum
| 6
|
| Sun: General
| 5
|
| Sun: Sunspot Area
| 4
|
| Sun: Filaments [S]
| 4
|
| Sun: Group Sunspot
| 4
|
| Physics - History And Philosophy Of Physics
| 3
|
| Astronomy Databases
| 3
|
| History And Philosophy Of Astronomy
| 3
|
| Sun: Physics - History And Philosophy Of Physics
| 3
|
| Sunspot Cycle
| 3
|
| Sun: Solar Phys
| 3
|
| Sun: Aurora Borealis
| 3
|
| Aurora
| 3
|
| Sun: Geomagnetic Storm
| 3
|
| Physics - Atmospheric And Oceanic Physics
| 3
|
| Sun: Group Sunspot Number
| 3
|
| Astronomical Data Bases: Miscellaneous
| 3
|
| Physics - Space Physics [H]
| 2
|
| Floods
| 2
|
| Sun: Morphological Classification Of Sunspots
| 2
|
| Extremadura
| 2
|
| Sun: Solar Observations
| 2
|
| North Atlantic Oscillation
| 2
|
| Sun: Maunder Minimum
| 2
|
| Sun: Sunspot Catalogue
| 2
|
| Sun: 19th Century
| 2
|
| Sun: 18th Century
| 2
|
| Sun: Machine Learning
| 2
|
| Sunshine Duration
| 2
|
| Documentary Source
| 2
|
| Sun: Late 18th Century
| 2
|
| Meteorites
| 2
|
| Spain
| 2
|
| Sun: Time Series Analysis
| 2
|
| Sun: Time Series
| 2
|
| Solar-terrestrial Relations
| 2
|
| Catalogs
| 2
|
| Bolides
| 2
|
| Sun: Fourier Transform
| 2
|
| Sun: Rotation [S]
| 2
|
| Astrophysics - Earth And Planetary Astrophysics
| 2
|
| Sunspot Groups
| 2
|
| Historical Climatology
| 2
|
| Sun: Physics - Space Physics
| 2
|
| Sun: Cortie Classification
| 2
|
| Sun: Solar Rotation Rate
| 2
|
| Sunspot
| 2
|
| 4513)
| 2
|
| Sun: Mexico City
| 1
|
| Sun: Medieval Climate Anomaly
| 1
|
| Sun: Main Interest
| 1
|
| Sun: Linear Relation
| 1
|
| Sun: Large Change
| 1
|
| Sun: Interplanetary Magnetic Field
| 1
|
| Sun: International Sunspot Numbers
| 1
|
| Sun: Historical Sunspot Drawings
| 1
|
| Sun: Hemispheric Sunspot Number
| 1
|
| Sun: Heliophysical Series
| 1
|
| Sun: Group Numbers
| 1
|
| Sun: Good Level
| 1
|
| Sun: Galactic
| 1
|
| Sun: Fourier
| 1
|
| Sun: Flares [S]
| 1
|
| Sun: Differential Rotation
| 1
|
| Sun: Data Series
| 1
|
| Sun: Cycle Length
| 1
|
| Sun: Cosmic Rays
| 1
|
| Sun: Coronal Mass Ejections
| 1
|
| Sun: Climatic System Variability
| 1
|
| Sun: Catalogs
| 1
|
| Sun: Aula
| 1
|
| Sun: Astrophysics - Earth And Planetary Astrophysics
| 1
|
| Sun: Area Measurement
| 1
|
| Sun: Analyse Description
| 1
|
| Sun: Activity Index
| 1
|
| Sun: Active Region
| 1
|
| Sun: 17th Century
| 1
|
| Sun Spots Solar Cycles
| 1
|
| Storm Track
| 1
|
| Statistics
| 1
|
| Statistical Analysis
| 1
|
| Spanish Observations
| 1
|
| Space Weather Event
| 1
|
| Space Weather
| 1
|
| Space Climate
| 1
|
| Solar-terrestrial Physics
| 1
|
| Solar-terrestrial Interactions
| 1
|
| Solar Storm
| 1
|
| Solar Rotation
| 1
|
| Solar Radius
| 1
|
| Solar Physics [S]
| 1
|
| Solar Observations
| 1
|
| Solar Cycle Variations
| 1
|
| Solar Activity Prediction
| 1
|
| San Fernando Observatory
| 1
|
| Road Traffic
| 1
|
| Rigid Body And Gyroscope Motion
| 1
|
| Reanalysis
| 1
|
| Rainfall Index
| 1
|
| Rainfall
| 1
|
| Rain Gauge
| 1
|
| Quantitative Biology - Populations And Evolution
| 1
|
| Precipitable Water
| 1
|
| Portugal
| 1
|
| Past Climate Conditions
| 1
|
| Padua
| 1
|
| Oman
| 1
|
| Observations
| 1
|
| North Atlantic Region
| 1
|
| North Atlantic Oscillation Index
| 1
|
| Natural Hazard
| 1
|
| Nao
| 1
|
| Monthly Anomaly
| 1
|
| Modern Data
| 1
|
| Methods: Data Analysis
| 1
|
| Meteors
| 1
|
| Meteorological Observations
| 1
|
| Meteorological Observation
| 1
|
| Meteorological Measurement
| 1
|
| Meteorological Event
| 1
|
| Meteorological
| 1
|
| Madrid Astronomical Observatory
| 1
|
| Machine Learning
| 1
|
| Lunar Eclipses
| 1
|
| Literature
| 1
|
| Late 20th Century
| 1
|
| Large Volcanic Eruption
| 1
|
| Large Scale Cosmic-ray Correlations
| 1
|
| Landslides
| 1
|
| Krakatoa Volcano
| 1
|
| Infrared Thermometer
| 1
|
| Image Processing
| 1
|
| Iberian Climate
| 1
|
| Hydrology: Precipitation (3354)
| 1
|
| Hydrology: Hydroclimatology
| 1
|
| History Of Astronomy
| 1
|
| Historical Space Weather Event
| 1
|
| Historical Observations
| 1
|
| Historical Measurements
| 1
|
| Historical Data
| 1
|
| Heritage
| 1
|
| Heliographic Coordinates
| 1
|
| Guadiana Basin
| 1
|
| Global Solar Radiation
| 1
|
| Global Navigation Satellite Systems
| 1
|
| Global Change: Climate Variability (1635
| 1
|
| Glacier
| 1
|
| Geomagnetic-storm
| 1
|
| Geomagnetic Latitude
| 1
|
| Geomagnetic Fields
| 1
|
| Fast Fourier Transform
| 1
|
| Extreme Precipitation
| 1
|
| Extreme Events
| 1
|
| Extensive Air Showers
| 1
|
| Educational Aids
| 1
|
| Eclipse
| 1
|
| Early Middle Ages
| 1
|
| Early Meteorological Readings
| 1
|
| Early Meteorological Observations
| 1
|
| Early Instrumental Records
| 1
|
| Early Dimming
| 1
|
| Early Brightening
| 1
|
| Dynamo
| 1
|
| Drought
| 1
|
| Demonstration Experiments And Apparatus
| 1
|
| Data Recovery
| 1
|
| Cycle-averaged Tilt Angle
| 1
|
| Cultural Astronomy
| 1
|
| Credo Collaboration
| 1
|
| Covid-19 Disease
| 1
|
| Cosmic-ray Ensembles
| 1
|
| Cosmic Rays
| 1
|
| Communication Networks
| 1
|
| Cold Summer
| 1
|
| Cloud Cover
| 1
|
| Climate Impacts
| 1
|
| Climate Anomalies
| 1
|
| Climate
| 1
|
| Clear Sky
| 1
|
| Campbell─stokes Sunshine Recorder
| 1
|
| Bento
| 1
|
| Aurora Borealis
| 1
|
| Atmospheric Processes: Climate Change And Variability (1616
| 1
|
| Atmospheric Pressure
| 1
|
| Atmospheric Effects
| 1
|
| Atmospheric Composition And Structure: Radiation: Transmission And Scattering
| 1
|
| Atmospheric Composition And Structure: Middle Atmosphere: Constituent Transport And Chemistry (3334)
| 1
|
| Atmospheric Composition And Structure: Evolution Of The Atmosphere (1610
| 1
|
| Atmospheric Circulation
| 1
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 1
|
| Astrophysics
| 1
|
| Astronomical Databases: Miscellaneous
| 1
|
| Arabic Chronicles
| 1
|
| Angelo Secchi
| 1
|
| Almada
| 1
|
| Air Temperature
| 1
|
| Air Humidity
| 1
|
| Acoustic Noise Measurement
| 1
|
| Acoustic Noise
| 1
|
| 8125)
| 1
|
| 1918 Spanish Flu
| 1
|
| Wind Force
| 1
|
| Wind Direction
| 1
|
| Wind
| 1
|
| Weather Observation
| 1
|
| Weather Information
| 1
|
| Water Vapor
| 1
|
| Volcanic Eruption
| 1
|
| Validation
| 1
|
| Ultraviolet Irradiance
| 1
|
| Tropical Storm
| 1
|
| Tropical Cyclone
| 1
|
| Tripero River
| 1
|
| Total Ozone
| 1
|
| Total Irradiance
| 1
|
| Total Eclipses
| 1
|
| Time Series Analysis
| 1
|
| Time And Frequency
| 1
|
| Tilt Angles
| 1
|
| The Shape Parameter Obtained From The Fit Of The Generalized Pareto Distribution To The Extreme Va
| 1
|
| The Results Show That Previous Registered Extreme Storms Could Be Considered As The
| 1
|
| The Estimation Of This Limit For The Extreme Values Lead To 850 Nt As The Highest Expected
| 1
|
| The 1903 Storm
| 1
|
| Tambora
| 1
|
| Synoptic Situation
| 1
|
| Sun: Zürich Classification
| 1
|
| Sun: Zurich Classification
| 1
|
| Sun: Work Analyse
| 1
|
| Sun: White-light Flares
| 1
|
| Sun: Waldmeier's Discontinuity
| 1
|
| Sun: W.c. Bond
| 1
|
| Sun: Visual Observation
| 1
|
| Sun: Velocity
| 1
|
| Sun: Umbra
| 1
|
| Sun: Synodic Solar Rotation
| 1
|
| Sun: Sunspot-number Series
| 1
|
| Sun: Sunspot Observations
| 1
|
| Sun: Sunspot Observation
| 1
|
| Sun: Sunspot Areas
| 1
|
| Sun: Sunspot
| 1
|
| Sun: Sun: Sunspots
| 1
|
| Sun: Sun: General
| 1
|
| Sun: Sun: Activity
| 1
|
| Sun: Sun
| 1
|
| Sun: Structure
| 1
|
| Sun: Spots
| 1
|
| Sun: Solar Surface
| 1
|
| Sun: Solar Rotation
| 1
|
| Sun: Solar Radius
| 1
|
| Sun: Solar Observation
| 1
|
| Sun: Solar Hemisphere
| 1
|
| Sun: Solar Flares
| 1
|
| Sun: Solar Cycles
| 1
|
| Sun: Solar Cycle Length
| 1
|
| Sun: Solar Cycle 9
| 1
|
| Sun: Solar Cycle 8
| 1
|
| Sun: Solar Corona
| 1
|
| Sun: Solar Activity In The Past
| 1
|
| Sun: Rotation Rate
| 1
|
| Sun: Rgo Classification
| 1
|
| Sun: Physics - Atmospheric And Oceanic Physics
| 1
|
| Sun: Penumbrae
| 1
|
| Sun: Parma
| 1
|
| Sun: Models
| 1
|
| 19th Century
| 1
|
| Zodiacal Light
| 1
|