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]
| 21
|
| Sun: Astrophysics - Solar And Stellar Astrophysics
| 17
|
| Sun: Solar Cycle
| 15
|
| Sun: Sunspots
| 15
|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 12
|
| Sun: Statistics
| 12
|
| Sun: Activity
| 11
|
| Sun: Observations
| 10
|
| Iberian Peninsula
| 10
|
| Solar Cycle
| 9
|
| Solar Activity
| 9
|
| Sun: Solar Activity
| 9
|
| Sun: Sunspot Number
| 8
|
| The Sun [S]
| 7
|
| Sunspot Number
| 6
|
| Maunder Minimum
| 5
|
| Sun: Sunspot Area
| 4
|
| Historical Records
| 4
|
| Sun: General
| 4
|
| Sun: 19th Century
| 3
|
| Nao
| 3
|
| Astronomical Data Bases: Miscellaneous
| 3
|
| History Of Geophysics: Solar/planetary Relationships
| 2
|
| Sun: Physics - History And Philosophy Of Physics
| 2
|
| Documentary Source
| 2
|
| Sun: Cortie Classification
| 2
|
| Historical Climatology
| 2
|
| North Atlantic Oscillation
| 2
|
| Drought
| 2
|
| Bolides
| 2
|
| Extremadura
| 2
|
| Sun: Geomagnetic Storm
| 2
|
| Sun: Group Sunspot
| 2
|
| Sun: Solar Rotation Rate
| 2
|
| 4513)
| 2
|
| Sun: Aurora Borealis
| 2
|
| Sun: Morphological Classification Of Sunspots
| 2
|
| Pyrheliometer
| 2
|
| Floods
| 2
|
| Meteorites
| 2
|
| Sun: Area Measurement
| 2
|
| Astronomy Databases
| 2
|
| Sunspot
| 2
|
| Sun: Flares [S]
| 2
|
| Sun: Solar Cycle 8
| 1
|
| Sun: Solar Activity In The Past
| 1
|
| Sun: Rotation Rate
| 1
|
| Sun: Rgo Classification
| 1
|
| Sun: Physics - Space Physics
| 1
|
| Sun: Penumbrae
| 1
|
| Sun: Parma
| 1
|
| Sun: Models
| 1
|
| Sun: Maunder Minimum
| 1
|
| Sun: Linear Relation
| 1
|
| Sun: Historical Sunspot Drawings
| 1
|
| Sun: Galactic
| 1
|
| Sun: Fourier
| 1
|
| Sun: Filaments [S]
| 1
|
| Sun: Extreme Values
| 1
|
| Sun: Data Series
| 1
|
| Sun: Cycle Length
| 1
|
| Sun: Cosmic Rays
| 1
|
| Sun: Coronal Mass Ejections
| 1
|
| Sun: Catalogs
| 1
|
| Sun: Aula
| 1
|
| Sun: Activity Index
| 1
|
| Sun: Active Region
| 1
|
| Storminess
| 1
|
| Sporadic Aurora
| 1
|
| Spectrum Analysis
| 1
|
| Spectral Analysis
| 1
|
| Spanish Observations
| 1
|
| Spain
| 1
|
| Space Weather: Magnetic Storms (2788)
| 1
|
| Space Weather Event
| 1
|
| Space Climate
| 1
|
| Solar-terrestrial Relations
| 1
|
| Solar-terrestrial Interactions
| 1
|
| Solar Storm
| 1
|
| Solar Rotation
| 1
|
| Solar Radius
| 1
|
| Solar Physics [S]
| 1
|
| Solar Activity Prediction
| 1
|
| San Fernando Observatory
| 1
|
| Rigid Body And Gyroscope Motion
| 1
|
| Return Level
| 1
|
| Reanalysis
| 1
|
| Rainfall Index
| 1
|
| Rainfall
| 1
|
| Rain Gauge
| 1
|
| Radiosonde Station
| 1
|
| Proxy
| 1
|
| Pro-pluvia Rogation Ceremonies
| 1
|
| Principal Component Analysis
| 1
|
| Precipitation
| 1
|
| Pre-industrial Climate
| 1
|
| Physics - History And Philosophy Of Physics
| 1
|
| Peak Over Threshold
| 1
|
| Past Climate Conditions
| 1
|
| Padua
| 1
|
| Ozone Variability
| 1
|
| Ozone Trends
| 1
|
| Northern Hemisphere
| 1
|
| North Atlantic Region
| 1
|
| North Atlantic Oscillation Index
| 1
|
| Natural Hazard
| 1
|
| Multi-day Rainfall Series
| 1
|
| Monthly Anomaly
| 1
|
| Modern Data
| 1
|
| Methods: Data Analysis
| 1
|
| Meteorological Observations
| 1
|
| Meteorological Observation
| 1
|
| Meteorological Measurement
| 1
|
| Meteorological Event
| 1
|
| Meteorol Atmos Phys
| 1
|
| Magnetospheric Physics: Auroral Phenomena (2407)
| 1
|
| Madrid Astronomical Observatory
| 1
|
| Lysimeter
| 1
|
| Low Geomagnetic Activity
| 1
|
| Late-spring Heatwave
| 1
|
| Late 20th Century
| 1
|
| Landslides
| 1
|
| Krakatoa Volcano
| 1
|
| Iberian Climate
| 1
|
| Hydrology: Precipitation (3354)
| 1
|
| Hydrology: Hydroclimatology
| 1
|
| History Of Geophysics: Geomagnetism And Paleomagnetism
| 1
|
| History And Philosophy Of Astronomy
| 1
|
| Historical Space Weather Event
| 1
|
| Historical Observations
| 1
|
| Historical Evidence
| 1
|
| Historical Data
| 1
|
| Heliographic Coordinates
| 1
|
| Heat Waves
| 1
|
| Guadiana Basin
| 1
|
| Global Change: Climate Variability (1635
| 1
|
| Glacier
| 1
|
| Geomagnetic-storm
| 1
|
| Geomagnetic Latitude
| 1
|
| Geomagnetic Fields
| 1
|
| Generalized Extreme Value Distribution
| 1
|
| Extreme Value Theory
| 1
|
| Extreme Precipitation
| 1
|
| Evaporation
| 1
|
| Earth Science Education
| 1
|
| Earth
| 1
|
| Early Middle Ages
| 1
|
| Early Meteorological Readings
| 1
|
| Early Meteorological Observations
| 1
|
| Early Instrumental Records
| 1
|
| Early Instrumental Observations
| 1
|
| Early Dimming
| 1
|
| Early Brightening
| 1
|
| Dynamo
| 1
|
| Documentary Sources
| 1
|
| Documentary Record
| 1
|
| Direct Solar Radiation
| 1
|
| Direct Solar Irradiance
| 1
|
| Deterministic Chaos
| 1
|
| Demonstration Experiments And Apparatus
| 1
|
| Data Rescue
| 1
|
| Data Recovery
| 1
|
| Correlation Dimension Of The Attractor
| 1
|
| Communication Networks
| 1
|
| Cloudiness Layer
| 1
|
| Climate
| 1
|
| Catalogs
| 1
|
| Cantabric Coast
| 1
|
| Campbell─stokes Sunshine Recorder
| 1
|
| Azores
| 1
|
| Aurora Borealis
| 1
|
| Aurora
| 1
|
| Atmospheric Transparency
| 1
|
| Atmospheric Processes: Climate Change And Variability (1616
| 1
|
| Atmospheric Pressure
| 1
|
| Atmospheric Composition And Structure: Airglow And Aurora
| 1
|
| Atmospheric Column Transparency
| 1
|
| Atmospheric Boundary Layer
| 1
|
| Astrophysics
| 1
|
| Astronomical Databases: Miscellaneous
| 1
|
| Wind Direction
| 1
|
| Wind
| 1
|
| Weather Observation
| 1
|
| Weather Information
| 1
|
| Water Cycle
| 1
|
| Water Balance
| 1
|
| Turbulence
| 1
|
| Tropospheric Ozone
| 1
|
| Tripero River
| 1
|
| Trends
| 1
|
| Time And Frequency
| 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
|
| Synoptic Situation
| 1
|
| Sunspot Groups
| 1
|
| Sunspot Cycle
| 1
|
| Sunshine Duration
| 1
|
| Sun: Zürich Classification
| 1
|
| Sun: Zurich Classification
| 1
|
| Sun: W.c. Bond
| 1
|
| Sun: Umbra
| 1
|
| Sun: Synodic Solar Rotation
| 1
|
| Sun: Sunspot-number Series
| 1
|
| Sun: Sunspot Observations
| 1
|
| Sun: Sunspot Catalogue
| 1
|
| Sun: Sunspot Catalogs
| 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: Spectral Analysis
| 1
|
| Sun: Solar Rotation
| 1
|
| Sun: Solar Radius
| 1
|
| Sun: Solar Radio Flux
| 1
|
| Sun: Solar Phys
| 1
|
| Sun: Solar Observations
| 1
|
| Sun: Solar Hemisphere
| 1
|
| Sun: Solar Cycles
| 1
|
| Sun: Solar Cycle 9
| 1
|
| Arabic Chronicles
| 1
|
| And Astronomy: Solar And Stellar Variability
| 1
|
| And Astronomy: Solar Activity Cycle (2162)
| 1
|
| And Astronomy: General Or Miscellaneous
| 1
|
| Air Temperature
| 1
|
| Geomagnetic Storm
| 1
|