This tool estimates the land surface temperature by combining global solar radiation, albedo, and the Stefan-Boltzmann Law. This is an implementation of the approach proposed by Hofierka et al. (2020).
| Name | Type | Identifier | Description | Constraints |
Input | Global Irradiance (*) | Grid, input, optional | IRRADIANCE | [W/m2] | - |
Albedo (*) | Grid, input, optional | ALBEDO | Surface reflectance [0 <= albedo <= 1] | - |
Emissivity (*) | Grid, input, optional | EMISSIVITY | Thermal emissivity [0 <= emissivity <= 1] | - |
Convection Coefficient (*) | Grid, input, optional | CONVECTION | Convection heat transfer coefficient [W/m2/K]. | - |
Ambient Air Temperature (*) | Grid, input, optional | T_AIR | [Kelvin] | - |
Radiant Sky Temperature (*) | Grid, input, optional | T_SKY | [Kelvin] | - |
Initial Temperature Estimation (*) | Grid, input, optional | T_INITIAL | Initial estimation of land surface temperature [Kelvin] (e.g., 300). | - |
Output | Land Surface Temperature | Grid, output | LST | [Kelvin] | - |
Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
Default | Floating point | IRRADIANCE_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 5.000000 |
Default | Floating point | ALBEDO_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Maximum: 1.000000 Default: 0.500000 |
Default | Floating point | EMISSIVITY_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Maximum: 1.000000 Default: 0.500000 |
Default | Floating point | CONVECTION_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 10.000000 |
Default | Floating point | T_AIR_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 300.000000 |
Default | Floating point | T_SKY_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 280.000000 |
Default | Floating point | T_INITIAL_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 300.000000 |
Unit | Choice | UNIT | - | Available Choices: [0] Kelvin [1] Celsius Default: 0 |
Iterations | Integer | ITERATIONS | - | Minimum: 1 Default: 10 |
(*) optional |