Validating MODIS above-cloud aerosol optical depth retrieved from “color ratio” algorithm using direct
measurements made by NASA's airborne AATS and 4STAR sensors

Jethva, Hiren; Torres, Omar; Remer, Lorraine; Redemann, Jens; Livingston, John; Dunagan, Stephen; Shinozuka, Yohei; Kacenelenbogen, Meloe; Rosenheimer, Michal Segal; Spurr, Rob

doi:https://doi.org/10.5194/amt-9-5053-2016

Articles | Volume 9, issue 10

https://doi.org/10.5194/amt-9-5053-2016

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

https://doi.org/10.5194/amt-9-5053-2016

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

Articles | Volume 9, issue 10

Research article

|

14 Oct 2016

Research article |

| 14 Oct 2016

Validating MODIS above-cloud aerosol optical depth retrieved from “color ratio” algorithm using direct measurements made by NASA's airborne AATS and 4STAR sensors

Hiren Jethva, Omar Torres, Lorraine Remer, Jens Redemann, John Livingston, Stephen Dunagan, Yohei Shinozuka, Meloe Kacenelenbogen, Michal Segal Rosenheimer, and Rob Spurr

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Final revised paper (published on 14 Oct 2016)
Preprint (discussion started on 22 Jun 2016)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of manuscript "Validating MODIS Above-cloud Aerosol Optical Depth Retrieved from 'Color Ratio' Algorithm using Direct Measurements made by NASA's Airborne AATS and 4STAR Sensors" by Jethva et al.', Anonymous Referee #3, 20 Jul 2016
- AC3: 'Response to comments made by Anonymous Referee #3', Hiren Jethva, 19 Sep 2016
SC1: 'Review AMT MS: 'Validating MODIS Above-cloud Aerosol Optical Depth Retrieved from ‘Color Ratio’ Algorithm using Direct Measurements made by NASA’s Airborne AATS and 4STAR Sensors'', D. Chand, 21 Jul 2016
- AC2: 'Response to comments made by Dr. Duli Chand', Hiren Jethva, 19 Sep 2016
RC2: 'Review of Jethva et al', Andrew Sayer, 23 Aug 2016
- AC1: 'Response to comments made by Dr. Andrew Sayer', Hiren Jethva, 19 Sep 2016

Short summary

Validation of the above-cloud aerosol optical depth retrieved using the "color ratio" method applied to MODIS cloudy-sky measurements against airborne direct measurements made by NASA’s AATS and 4STAR sun photometers during SAFARI-2000, ACE-ASIA 2001, and SEAC4RS 2013 reveals a good level of agreement (difference < 0.1), in which most matchups are found be constrained within the estimated uncertainties associated with the MODIS retrievals (-10 % to +50 %).