The Eulerian urban dispersion model EPISODE – Part 2: Extensions to the source dispersion and photochemistry for EPISODE–CityChem v1.2 and its application to the city of Hamburg

Karl, Matthias; Walker, Sam-Erik; Solberg, Sverre; Ramacher, Martin O. P.

doi:https://doi.org/10.5194/gmd-12-3357-2019

Articles | Volume 12, issue 8

https://doi.org/10.5194/gmd-12-3357-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-12-3357-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 8

Model description paper

|

01 Aug 2019

Model description paper |

| 01 Aug 2019

The Eulerian urban dispersion model EPISODE – Part 2: Extensions to the source dispersion and photochemistry for EPISODE–CityChem v1.2 and its application to the city of Hamburg

Matthias Karl, Sam-Erik Walker, Sverre Solberg, and Martin O. P. Ramacher

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Final revised paper (published on 01 Aug 2019)
Supplement to the final revised paper
Preprint (discussion started on 11 Jan 2019)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of ”The Eulerian urban dispersion model EPISODE. Part II: Extensions to the source dispersion and photochemistry for EPISODE-CityChem v1.2 and its application to the city of Hamburg”', Anonymous Referee #1, 06 Mar 2019
- AC1: 'Response to review comments of Anonymous Referee #1', Matthias Karl, 01 May 2019
RC2: 'accept subject to very minor revisions', Anonymous Referee #2, 03 May 2019
- AC2: 'Reply to Referee #2', Matthias Karl, 08 May 2019

Peer-review completion

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

AR by Matthias Karl on behalf of the Authors (17 May 2019) Author's response Manuscript

ED: Publish as is (23 Jun 2019) by Simone Marras

AR by Matthias Karl on behalf of the Authors (26 Jun 2019) Manuscript

Short summary

A large part of the population living in cities is exposed to ozone levels above the EU air quality target value. The CityChem extension of the urban air quality model EPISODE enables a detailed treatment of the atmospheric chemistry in urban areas and near-field dispersion close to industrial stacks and in street canyons. The application of the model in the city of Hamburg (Germany) shows good performance for ozone, nitrogen dioxide and particulate matter at air quality monitoring stations.