Comparison of balloon-carried atmospheric motion sensors with Doppler lidar turbulence measurements

Harrison, R. G.; Heath, A. M.; Hogan, R. J.; Rogers, G. W.
February 2009
Review of Scientific Instruments;Feb2009, Vol. 80 Issue 2, pN.PAG
Academic Journal
Magnetic sensors have been added to a standard weather balloon radiosonde package to detect motion in turbulent air. These measure the terrestrial magnetic field and return data over the standard uhf radio telemetry. Variability in the magnetic sensor data is caused by motion of the instrument package. A series of radiosonde ascents carrying these sensors has been made near a Doppler lidar measuring atmospheric properties. Lidar-retrieved quantities include vertical velocity (w) profile and its standard deviation (σw). σw determined over 1 h is compared with the radiosonde motion variability at the same heights. Vertical motion in the radiosonde is found to be robustly increased when σw>0.75 m s-1 and is linearly proportional to σw.


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