wind2 {sirad} | R Documentation |
'wind2' converts a wind speed measured at a certain height 'z' above the ground level to the wind speed at the standard height (2 meters)
wind2(uz,meah)
uz |
Wind speed measured at heith 'z' [ms-1]. |
meah |
The height (above the ground level) of the wind speed measurement [m]. |
Wind speed is slowest at the surface and increases with height. The measurements taken at different heights avove the ground level must be standardized to 2 meters (default in agrometeorology).
Wind speed at standard 2 meters. [ms-1]
Jedrzej S. Bojanowski
Allen, R.G., L.S. Pereira, D. Raes, and M. Smith. 1998. Crop Evapotranspiration: Guidelines for computing crop water requirements. Irrigation and Drainage Paper 56, Food and Agriculture Organization of the United Nations, Rome, pp. 300.
wind2(uz=5,meah=10)