Coupling sky images with radiative transfer models: a new method to estimate
cloud optical depth

Mejia, Felipe A.; Kurtz, Ben; Murray, Keenan; Hinkelman, Laura M.; Sengupta, Manajit; Xie, Yu; Kleissl, Jan

doi:https://doi.org/10.5194/amt-9-4151-2016

Articles | Volume 9, issue 8

https://doi.org/10.5194/amt-9-4151-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-9-4151-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 9, issue 8

Research article

|

30 Aug 2016

Research article |

| 30 Aug 2016

Coupling sky images with radiative transfer models: a new method to estimate cloud optical depth

Felipe A. Mejia, Ben Kurtz, Keenan Murray, Laura M. Hinkelman, Manajit Sengupta, Yu Xie, and Jan Kleissl

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Final revised paper (published on 30 Aug 2016)
Preprint (discussion started on 30 Oct 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

SC C3710: 'Problems with figures 9 - 11 in PDF', John Conant, 03 Nov 2015
- SC C3758: 'Figure Correction', Felipe Mejia, 07 Nov 2015
RC C4104: 'Review of manuscript by Mejia et al.', Anonymous Referee #1, 27 Nov 2015
- AC C5378: 'Response to Referee #1', Felipe Mejia, 09 Feb 2016
RC C4572: 'Review of Mejia et al., major revision', Anonymous Referee #3, 04 Jan 2016
- AC C5379: 'Response to Referee #3', Felipe Mejia, 09 Feb 2016

Short summary

A method for retrieving cloud optical depth using a sky imager is presented. The method is applied to images taken at the Atmospheric Radiation Measurement site and validated against measurements from a microwave radiometer (MWR), output from the Min method for overcast skies, and τ_c retrieved by Beer's law from direct normal irradiance (DNI) measurements.