Air Temperature Shield Tests

Measurements were made with a group of sensors for 37 days at the end of a dock in Vineyard Sound. The sensors included: a thermistor in an R.M. Young aspirated air temperature radiation shield, a thermistor in an R.M. Young multiplate shield, wind speed and direction, and solar irradiance. For the...

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Bibliographic Details
Main Author: Payne, Richard E
Format: Report
Language:English
Subjects:
AIR
ATMOSPHERIC TEMPERATURE
COOLING
CYLINDRICAL BODIES
DAYLIGHT
DETECTORS
METEOROLOGICAL INSTRUMENTS
Meteorology
PLATES
RADIATION SHIELDING
SHIELDING
SOLAR RADIATION
TEMPERATURE
TEST METHODS
THERMOMETERS
THERMOSTATS
WIND VELOCITY
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Summary:Measurements were made with a group of sensors for 37 days at the end of a dock in Vineyard Sound. The sensors included: a thermistor in an R.M. Young aspirated air temperature radiation shield, a thermistor in an R.M. Young multiplate shield, wind speed and direction, and solar irradiance. For the last eight days we also included a WHOI built cylindrical radiation shield. For wind speeds above 2 m/s, the multiplate shield had an RMS error relative to the aspirated shield of 0.2-0.3 C during day-light hours. Adding a correction linear in solar irradiance decreased the error by a factor of one third to one half. The cylindrical shield appears to have performed better than this but there was insufficient data to support this conclusion statistically. Sponsored in part by Grant NSF-OCE82-11108.