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
|
|---|
| Astrophysics - Solar And Stellar Astrophysics [S]
| 11
|
| Sun: Chromosphere [S]
| 4
|
| Sun: Activity
| 4
|
| Astrophysics - Instrumentation And Methods For Astrophysics
| 4
|
| Space Weather
| 3
|
| South Portuguese Zone
| 3
|
| Sun: Magnetic Fields
| 3
|
| Sun: Filaments [S]
| 3
|
| Middle Latitudes
| 3
|
| Sunspots [S]
| 3
|
| Automatic Detection
| 3
|
| Plages
| 3
|
| Tec
| 2
|
| Geomagnetic Storms
| 2
|
| Methods: Data Analysis
| 2
|
| Gas
| 2
|
| Sun: Coronal Mass Ejections
| 2
|
| Sun: Corona [S]
| 2
|
| Electrical Engineering And Systems Science - Signal Processing
| 2
|
| Unconventional Petroleum System
| 2
|
| Physics - Geophysics
| 2
|
| Coimbra Observatory
| 2
|
| Solar Cycle
| 2
|
| Observations
| 2
|
| Sun: Photosphere [S]
| 2
|
| Physics - Space Physics [H]
| 2
|
| Statistics
| 2
|
| Sun: Faculae [S]
| 2
|
| Portugal
| 1
|
| Physics - Atmospheric And Oceanic Physics
| 1
|
| Photosphere [S]
| 1
|
| Petroleum Seepage
| 1
|
| Pattern Recognition
| 1
|
| Object-based Image Analysis
| 1
|
| Neural Networks
| 1
|
| Midlatitudinal Ionosphere
| 1
|
| Methods: Observational
| 1
|
| Mathematical Morphology
| 1
|
| Mars Surface
| 1
|
| Magnetohydrodynamics [S]
| 1
|
| Magnetic Fields
| 1
|
| Light Hydrocarbons
| 1
|
| Ionospheric Storms
| 1
|
| Ionosphere Scintillations
| 1
|
| Ionosphere
| 1
|
| Integrated Sun Observations
| 1
|
| Instrumentation: Polarimeters
| 1
|
| Instrumentation: Adaptive Optics
| 1
|
| Indicios De Hidrocarburos
| 1
|
| Hydrocarbon Seeps
| 1
|
| Hydrocarbon Anomalies
| 1
|
| Historical Data
| 1
|
| Historic Solar Observations
| 1
|
| Hidrocarburos Ligeros
| 1
|
| Groundwater
| 1
|
| Gnss Tec
| 1
|
| Gnss
| 1
|
| Geochemistry
| 1
|
| Gamma Radiation
| 1
|
| Europe
| 1
|
| Dune Mapping
| 1
|
| Contamination
| 1
|
| Catalogues
| 1
|
| Carboniferous Shales
| 1
|
| Carboniferous
| 1
|
| "scinda-iono" Toolbox
| 1
|
| Vitrinite Reflectance
| 1
|
| Unconventional Petroleum Geology
| 1
|
| Umbra And Penumbra
| 1
|
| Total Organic Carbon
| 1
|
| Total Electron Content Prediction
| 1
|
| Toluene
| 1
|
| The Sun [S]
| 1
|
| Telescopes
| 1
|
| Tec Modeling
| 1
|
| Tec Model
| 1
|
| Tec Forecasting
| 1
|
| Surface Geochemical Prospecting
| 1
|
| Sunspot
| 1
|
| Sun: Rotation [S]
| 1
|
| Stonyhurst Heliographic Coordinates
| 1
|
| Spectroheliograms
| 1
|
| Solar Phenomena
| 1
|
| Sistema Petrolero No Convencional
| 1
|
| Shale Gas
| 1
|
| Scinda Ionosphere Data Analysis
| 1
|
| Scinda Gnss Receiver
| 1
|
| Remote Sensing
| 1
|
| Receiver Positioning
| 1
|
| Raw Data
| 1
|
| Prospección Geoquímica De Superficie
| 1
|
| Programmatics
| 1
|
| Principal Component Analysis
| 1
|
| Astrophysics - High Energy Astrophysical Phenomena [S]
| 1
|
| Astronomical Databases: Miscellaneous
| 1
|
| Zona Sur Portuguesa
| 1
|