Motorized cable systems for transporting infrared thermometers have been used successfully during several international field campaigns. Systems may be configured with as many as four thermal sensors up to 9 m above the surface, and traverse a 30 m transect. Ground and canopy temperatures are important for solving the surface energy balance. The spatial variability of surface temperature is often great, so that averaged point measurements result in highly inaccurate areal estimates. The cable systems are ideal for quantifying both temporal and spatial variabilities. Thermal emissivity is also necessary for deriving the absolute physical temperature, and measurements may be made with a portable measuring box.
Ground-based measurement of surface temperature and thermal emissivity
Advances in Space Research ; 14 , 3
1994-03-01
Miscellaneous
No indication
English
Ground-Based Measurement of Surface Temperature and Thermal Emissivity
Online Contents | 1994
|Ground-based measurement of surface temperature and thermal emissivity
Elsevier | 1993
|Ground-Based Measurement of Surface Temperature and Thermal Emissivity
British Library Conference Proceedings | 1993
|