Articles | Volume 17, issue 15
https://doi.org/10.5194/amt-17-4581-2024
https://doi.org/10.5194/amt-17-4581-2024
Research article
 | 
01 Aug 2024
Research article |  | 01 Aug 2024

Time-resolved measurements of the densities of individual frozen hydrometeors and fresh snowfall

Dhiraj K. Singh, Eric R. Pardyjak, and Timothy J. Garrett

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This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Cited articles

Alcott, T. I. and Steenburgh, W. J.: Snow-to-liquid ratio variability and prediction at a high-elevation site in Utah's Wasatch Mountains, Weather Forecast., 25, 323–337, 2010. a, b
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Finlon, J. A., McFarquhar, G. M., Nesbitt, S. W., Rauber, R. M., Morrison, H., Wu, W., and Zhang, P.: A novel approach for characterizing the variability in mass–dimension relationships: results from MC3E, Atmos. Chem. Phys., 19, 3621–3643, https://doi.org/10.5194/acp-19-3621-2019, 2019. a
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Accurate measurements of the properties of snowflakes are challenging to make. We present a new technique for the real-time measurement of the density of freshly fallen individual snowflakes. A new thermal-imaging instrument, the Differential Emissivity Imaging Disdrometer (DEID), is shown to be capable of providing accurate estimates of individual snowflake and bulk snow hydrometeor density. The method exploits the rate of heat transfer during the melting of a snowflake on a hotplate.
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