Articles | Volume 12, issue 11
Research article
07 Nov 2019
Research article |  | 07 Nov 2019

A new approach to estimate supersaturation fluctuations in stratocumulus cloud using ground-based remote-sensing measurements

Fan Yang, Robert McGraw, Edward P. Luke, Damao Zhang, Pavlos Kollias, and Andrew M. Vogelmann

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Cited articles

Borque, P., Luke, E., and Kollias, P.: On the unified estimation of turbulence eddy dissipation rate using Doppler cloud radars and lidars, J. Geophys. Res.-Atmos., 121, 5972–5989,, 2016. a
Borque, P., Luke, E. P., Kollias, P., and Yang, F.: Relationship between turbulence and drizzle in continental and marine low stratiform clouds, J. Atmos. Sci., 75, 4139–4148,, 2018. a, b
Chandrakar, K. K., Cantrell, W., Chang, K., Ciochetto, D., Niedermeier, D., Ovchinnikov, M., Shaw, R. A., and Yang, F.: Aerosol indirect effect from turbulence-induced broadening of cloud-droplet size distributions, P. Natl. Acad. Sci. USA, 113, 14243–14248,, 2016. a, b, c
Chandrakar, K. K., Saito, I., Yang, F., Cantrell, W., Gotoh, T., and Shaw, R. A.: Droplet size distributions in turbulent clouds: experimental evaluation of theoretical distributions, Q. J. Roy. Meteorol. Soc., accepted, 2019. a
Costa, A. A., de Oliveira, C. J., de Oliveira, J. C. P., and da Costa Sampaio, A. J.: Microphysical observations of warm cumulus clouds in Ceara, Brazil, Atmos. Res., 54, 167–199,, 2000. a, b
Short summary
In-cloud supersaturation is crucial for droplet activation, growth, and drizzle initiation but is poorly known and hardly measured. Here we provide a novel method to estimate supersaturation fluctuation in stratocumulus clouds using remote-sensing measurements, and results show that our estimated supersaturation agrees reasonably well with in situ measurements. Our method provides a unique way to estimate supersaturation in stratocumulus clouds from long-term ground-based observations.