14th Symposium on Boundary Layer and Turbulence

P9.5

Thermocouple temperature measurements from the CASES-99 main tower

Sean P. Burns, NCAR, Boulder, CO; and J. Sun

Thirty-four levels of thermocouple temperature and 6 levels of aspirated temperature measurements were made from the main tower during CASES-99. Preliminary results indicate that the nighttime aspirated temperature measurements were slightly warmer (by ~0.1-0.2C) than the thermocouple temperatures. During the day the situation is reversed. The difference between the two temperature sensors will be studied as a function of wind speed and downward solar radiation. The signicance of the radiation effect on both sensors will be investigated.

Poster Session 9, CASES99
Wednesday, 9 August 2000, 6:00 PM-9:00 PM

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