Articles | Volume 14, issue 4
Atmos. Meas. Tech., 14, 2635–2648, 2021
Atmos. Meas. Tech., 14, 2635–2648, 2021
Research article
06 Apr 2021
Research article | 06 Apr 2021

A reel-down instrument system for profile measurements of water vapor, temperature, clouds, and aerosol beneath constant-altitude scientific balloons

Lars E. Kalnajs et al.

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Cited articles

Alexander, K. and Stevenson, J.: Kite equilibrium and bridle length, Aeronaut. J., 105, 535–541,, 2001. 
Boullot, N., Rabier, F., Langland, R., Gelaro, R., Cardinali, C., Guidard, V., Bauer, P., and Doerenbecher, A.: Observation impact over the southern polar area during the Concordiasi field campaign, Q. J. Roy. Meteor. Soc., 142, 597–610,, 2016. 
Campbell, P. and Deshler, T.: Condensation nuclei measurements in the midlatitude (1982–2012) and Antarctic (1986–2010) stratosphere between 20 and 35 km, J. Geophys. Res.-Atmos., 119, 137–152,, 2013. 
Short summary
This work introduces a novel instrument system for high-resolution atmospheric profiling, which lowers and retracts a suspended instrument package beneath drifting long-duration balloons. During a 100 d circumtropical flight, the instrument collected over a hundred 2 km profiles of temperature, water vapor, clouds, and aerosol at 1 m resolution, yielding unprecedented geographic sampling and vertical resolution measurements of the tropical tropopause layer.