Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14889–14901, 2020
https://doi.org/10.5194/acp-20-14889-2020
Atmos. Chem. Phys., 20, 14889–14901, 2020
https://doi.org/10.5194/acp-20-14889-2020

Research article 03 Dec 2020

Research article | 03 Dec 2020

Application of holography and automated image processing for laboratory experiments on mass and fall speed of small cloud ice crystals

Maximilian Weitzel et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Maximilian Weitzel on behalf of the Authors (21 Aug 2020)  Author's response    Manuscript
ED: Publish as is (14 Sep 2020) by Ottmar Möhler

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Maximilian Weitzel on behalf of the Authors (25 Nov 2020)   Author's adjustment   Manuscript
EA: Adjustments approved (28 Nov 2020) by Ottmar Möhler
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Short summary
The properties of ice crystals smaller than 150 µm in diameter were investigated in a cold-room laboratory using digital holography and microscopy. Automated image processing has been used to determine the track of falling ice crystals, and collected crystals were melted and scanned under a microscope to infer particle mass. A parameterization relating particle size and mass was determined which describes ice crystals in this size range more accurately than existing relationships.
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