Optimizing UV Index determination from broadband irradiances

Tereszchuk, Keith A.; Rochon, Yves J.; McLinden, Chris A.; Vaillancourt, Paul A.

doi:https://doi.org/10.5194/gmd-11-1093-2018

Articles | Volume 11, issue 3

https://doi.org/10.5194/gmd-11-1093-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-11-1093-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 11, issue 3

Development and technical paper

|

27 Mar 2018

Development and technical paper |

| 27 Mar 2018

Optimizing UV Index determination from broadband irradiances

Keith A. Tereszchuk, Yves J. Rochon, Chris A. McLinden, and Paul A. Vaillancourt

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Final revised paper (published on 27 Mar 2018)
Preprint (discussion started on 05 Dec 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Evaluation of ‘Optimizing UV index determination from broadband irradiances’ by Tereszchuk et al.', Anonymous Referee #1, 31 Dec 2017
- AC1: 'Responses to Anonymous Referee #1', Keith Tereszchuk, 27 Feb 2018
RC2: 'Reviewer’s comments on manuscript titled "Optimizing UV index determination from broadband irradiances"', Anonymous Referee #2, 27 Jan 2018
- AC2: 'Responses to Anonymous Referee #2', Keith Tereszchuk, 27 Feb 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Keith Tereszchuk on behalf of the Authors (27 Feb 2018) Manuscript

ED: Publish as is (20 Mar 2018) by Richard Neale

AR by Keith Tereszchuk on behalf of the Authors (20 Mar 2018)

Short summary

To reduce computational costs, ECCC's new method to calculate the UV Index involves scaling and weighting the irradiance contribution of four low-res UV broadbands currently produced by the GEM forecast model. A high-res irradiance spectrum was produced using Cloud-J to create simulated GEM broadbands to calibrate the original GEM broadbands. The scaled GEM broadbands are then weighted accordingly so that the resultant UV Index field emulates the high-res UV Index field calculated from Cloud-J.