Articles | Volume 16, issue 4
Atmos. Chem. Phys., 16, 2611–2629, 2016
https://doi.org/10.5194/acp-16-2611-2016
Atmos. Chem. Phys., 16, 2611–2629, 2016
https://doi.org/10.5194/acp-16-2611-2016

Research article 03 Mar 2016

Research article | 03 Mar 2016

Understanding cirrus ice crystal number variability for different heterogeneous ice nucleation spectra

Sylvia C. Sullivan et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Athanasios Nenes on behalf of the Authors (27 Nov 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (30 Nov 2015) by Johannes Quaas
RR by Anonymous Referee #2 (20 Dec 2015)
ED: Publish subject to technical corrections (05 Jan 2016) by Johannes Quaas
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Short summary
We use the adjoint model of a cirrus parameterization to quantify sources of crystal variability for various ice-nucleating spectra and output from CAM5. The sensitivities can be directly linked to nucleation regime and efficiency of various INP. The lab-based spectrum calculates much higher INP efficiencies than field-based ones, owing to aerosol surface properties. The sensitivity to temperature tends to be low, due to the compensating effects of temperature on INP spectrum parameters.
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