The “urban meteorology island”: a multi-model ensemble analysis

Karlický, Jan; Huszár, Peter; Nováková, Tereza; Belda, Michal; Švábik, Filip; Ďoubalová, Jana; Halenka, Tomáš

doi:https://doi.org/10.5194/acp-20-15061-2020

Articles | Volume 20, issue 23

https://doi.org/10.5194/acp-20-15061-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-15061-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 23

Research article

|

04 Dec 2020

Research article |

| 04 Dec 2020

The “urban meteorology island”: a multi-model ensemble analysis

Jan Karlický, Peter Huszár, Tereza Nováková, Michal Belda, Filip Švábik, Jana Ďoubalová, and Tomáš Halenka

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Final revised paper (published on 04 Dec 2020)
Preprint (discussion started on 17 Jul 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review', Anonymous Referee #1, 07 Aug 2020
- AC2: 'Author’s response to Anonymous Referee #1', Jan Karlický, 07 Oct 2020
RC2: 'Urban Meteorology', Anonymous Referee #3, 15 Sep 2020
- AC1: 'Author’s response to Anonymous Referee #3', Jan Karlický, 07 Oct 2020

Peer-review completion

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

AR by Jan Karlický on behalf of the Authors (12 Oct 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (13 Oct 2020) by Yun Qian

RR by Anonymous Referee #3 (13 Oct 2020)

RR by Anonymous Referee #1 (18 Oct 2020)

Suggestions for revision or reasons for rejection

Review of ACP-2020-433

The authors have made a substantial effort to improve the manuscript. It has become a very relevant and solid manuscript with a model-based investigation of the UMI that show interesting results. The remaining concerns are of technical and editorial nature.

Ln 11+12: schemes (plural) ... increase (without s)

Ln 31: observations (plural)

Ln 41: ...likely as a result ..... That paper is not conclusive about the exact mechanism behind the increased precip over the Dutch cities.

Ln 43: increase: perhaps “surplus” is better since increase refers to something in time, rather than in space

Ln 67: an useful -> a useful

Ln 79 and my previous concern #8: the selected years are 2015-2016. Please add to the paper some of the discussion that we wrote in the reply to the concern #8. I think it is interesting for the reader to read about some short reflection about the weather in these two years (2015 was very warm in central Europe) and to what extent they are representative. The papers does not need more years to be analysed, but just some guidance about the representativeness of these years.

Figure 3, caption: make more precise: 2-m air temperature and precipitation sums -> accumulated precipitation

Figure 6, caption: please add how daytime and nighttime has been defined in this plot.

Ln 165: please define here how UHI has been calculated. Many ways are possible, and these will give different values and interpretation. Is it based here on all hourly temp values in summer and winter?

Fig 10: header: signifance -> significance

Fig 10: wind direction: how was this calculated. Based on the math behind the calculations one will get different values if one compares hourly wdir with modelled hourly wdir OR if one estimates the mean wdir from the mean U and V components over the whole simulation vs its observed equivalent.

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ED: Publish subject to technical corrections (24 Oct 2020) by Yun Qian

AR by Jan Karlický on behalf of the Authors (29 Oct 2020) Author's response Manuscript

Short summary

Cities are characterized by their impact on various meteorological variables. Our study aims to generalize these modifications into a single phenomenon – the urban meteorology island (UMI). A wide ensemble of Weather Research and Forecasting (WRF) and Regional Climate Model (RegCM) simulations investigated urban-induced modifications as individual UMI components. Significant changes are found in most of the discussed meteorological variables with a strong impact of specific model simulations.