Table 2 Categorization of 56 parameters (environmental, geological, and soil properties) used in radon exhalation modeling.
Category | Parameters |
|---|---|
Soil Physical Properties | \(\bullet\) Permeability (\(\hbox {m}^{2}\)) \(\bullet\) Bulk Density (g \(\hbox {cc}^{-1}\)) \(\bullet\) Sand (%) \(\bullet\) Silt (%) \(\bullet\) Clay (%) |
Soil Moisture | \(\bullet\) Soil Moisture (%) |
Soil Chemical Properties | pH (1:1) \(\bullet\) \(\hbox {CaCO}_{3}\) (%) \(\bullet\) Organic Material (%) \(\bullet\) Phosphorus (ppm) \(\bullet\) Potassium (ppm) |
Cation Exchange and Saturation | Cation Exchange Capacity (meq in 100g) \(\bullet\) Exchangeable \(\hbox {Ca}^{2+}\), \(\hbox {Mg}^{2+}\), \(\hbox {K}^{+}\), \(\hbox {Na}^{+}\), \(\hbox {Al}^{+3}\) + \(\hbox {H}^{+}\) \(\bullet\) Sum of Cations \(\bullet\) Sum of Bases \(\bullet\) Base Saturation (%) \(\bullet\) Saturation (%) \(\bullet\) Exchangeable Sodium Percentage (%) |
Soil Soluble Ions and Saturated Paste | pH of Saturated Paste Extract \(\bullet\) EC of Saturated Extract (dS \(\hbox {m}^{-1}\)) \(\bullet\) Soluble \(\hbox {Ca}^{2+}\), \(\hbox {Mg}^{2+}\), \(\hbox {K}^{+}\), \(\hbox {Na}^{+}\) (meq \(L^{-1}\)) \(\bullet\) Sum of Soluble Cations \(\bullet\) Soluble \(\hbox {NO}^{-}_{3}\), \(\hbox {CO}^{2-}_{3}\), \(\hbox {HCO}^{-}_{3}\), \(\hbox {SO}^{2-}_{4}\), \(\hbox {Cl}^{-}\) (meq \(L^{-1}\)) \(\bullet\) Sum of Soluble Anions \(\bullet\) Soluble Boron (ppm) \(\bullet\) Soluble Gypsum (%) |
Radon and Thoron Measurements | Radon Exhalation (Bq \(\hbox {m}^{-2}\) \(\hbox {day}^{-1}\)) \(\bullet\) Radon Concentration (Bq \(\hbox {m}^{-3}\)) \(\bullet\) Thoron Concentration (Bq \(\hbox {m}^{-3}\)) |
Atmospheric and Weather Conditions | Air Temperature (\(^{\circ }\)C) \(\bullet\) Relative Humidity (%) \(\bullet\) Absolute Humidity (g \(\hbox {m}^{-3}\)) \(\bullet\) Pressure (mmHg) \(\bullet\) Wind Velocity (km \(\hbox {h}^{-1}\)) \(\bullet\) Dew Point (\(^{\circ }\)C) |
Thermal and Comfort Indices | Thermal Sensation (\(^{\circ }\)C) \(\bullet\) Hot Flash Index (\(^{\circ }\)C) |
Solar and Light-Related Variables | UV Index \(\bullet\) Illuminance (lx) \(\bullet\) Solar Irradiance (W \(\hbox {m}^{-2}\)) \(\bullet\) Solar PAR (\(\mu\)mol \(\hbox {m}^{-2}\) \(\hbox {s}^{-1}\)) |
Magnetic and Electrical Properties | Magnetic Heading (\(^{\circ }\)) \(\bullet\) True Heading (\(^{\circ }\)) \(\bullet\) Electrical Conductivity (dS \(\hbox {m}^{-1}\)) |
Topographical Data | Altitude (m) |
