| .get_dwv | d_wv: water vapour gradient (mol / m ^ 3) | 
| .get_Dx | D_x: Calculate diffusion coefficient for a given temperature and pressure | 
| .get_gbw | g_bw: Boundary layer conductance to water vapour (m / s) | 
| .get_gh | g_h: boundary layer conductance to heat (m / s) | 
| .get_gr | Gr: Grashof number | 
| .get_gtw | g_tw: total conductance to water vapour (m/s) | 
| .get_H | H: sensible heat flux density (W / m^2) | 
| .get_hvap | h_vap: heat of vaporization (J / mol) | 
| .get_L | L: Latent heat flux density (W / m^2) | 
| .get_nu | Nu: Nusselt number | 
| .get_Pa | P_a: density of dry air (g / m^3) | 
| .get_ps | Saturation water vapour pressure (kPa) | 
| .get_Rabs | R_abs: total absorbed radiation (W / m^2) | 
| .get_re | Re: Reynolds number | 
| .get_sh | Sh: Sherwood number | 
| .get_Sr | S_r: longwave re-radiation (W / m^2) | 
| .get_Tv | Calculate virtual temperature | 
| Ar | Ar: Archimedes number | 
| constants | S3 class constants | 
| convert_conductance | Convert conductance units | 
| E | Evaporation (mol / (m^2 s)) | 
| energy_balance | Calculate leaf energy balance | 
| enviro_par | S3 class enviro_par | 
| leaf_par | S3 class leaf_par | 
| make_constants | Make lists of parameters of leaf, environmental, or constant parameters | 
| make_enviropar | Make lists of parameters of leaf, environmental, or constant parameters | 
| make_leafpar | Make lists of parameters of leaf, environmental, or constant parameters | 
| make_parameters | Make lists of parameters of leaf, environmental, or constant parameters | 
| parameter_names | Get vector of parameter names | 
| tealeaves | 'tealeaves' package | 
| tleaf | 'tleaves': find leaf temperatures for multiple parameter sets | 
| tleaves | 'tleaves': find leaf temperatures for multiple parameter sets | 
| tl_example1 | tealeaves example output 1 |