Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 80, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3086432
Keywords
atmospheric measuring apparatus; atmospheric techniques; atmospheric turbulence; geomagnetism; magnetic sensors; optical radar; radiosondes; remote sensing by laser beam
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Funding
- Paul Instrument Fund of the Royal Society
- NERC [NE/C513569/1]
- Natural Environment Research Council [cfaarr010001] Funding Source: researchfish
- NERC [cfaarr010001] Funding Source: UKRI
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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 (sigma(w)). sigma(w) 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 sigma(w)>0.75 m s(-1) and is linearly proportional to sigma(w).
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