Implementation of street trees within the solar radiative exchange parameterization of TEB in SURFEX v8.0

Redon, Emilie C.; Lemonsu, Aude; Masson, Valéry; Morille, Benjamin; Musy, Marjorie

doi:https://doi.org/10.5194/gmd-10-385-2017

Articles | Volume 10, issue 1

https://doi.org/10.5194/gmd-10-385-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

The externalised surface model SURFEX

https://doi.org/10.5194/gmd-10-385-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 10, issue 1

Development and technical paper

|

25 Jan 2017

Development and technical paper |

| 25 Jan 2017

Implementation of street trees within the solar radiative exchange parameterization of TEB in SURFEX v8.0

Emilie C. Redon, Aude Lemonsu, Valéry Masson, Benjamin Morille, and Marjorie Musy

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Final revised paper (published on 25 Jan 2017)
Preprint (discussion started on 01 Aug 2016)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Reviewers Comments', Anonymous Referee #1, 26 Aug 2016
RC2: 'Review', Anonymous Referee #2, 06 Sep 2016
AC1: 'Final Response to the Reviewers Comments', Emilie Redon, 28 Oct 2016

Peer-review completion

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

AR by Emilie Redon on behalf of the Authors (28 Oct 2016)

ED: Referee Nomination & Report Request started (07 Nov 2016) by Thomas Poulet

RR by Anonymous Referee #2 (28 Nov 2016)

RR by Anonymous Referee #1 (29 Nov 2016)

Suggestions for revision or reasons for rejection

The authors have satisfactorily responded to the comments and questions posed by both reviewers and have amended the text accordingly. There are however still some grammatical errors in the text, which I have listed below. Once these have been remedied, I am happy to recommend acceptance of this paper for publication.

Page 2 Line 1 – “The high vegetation, especially the street trees…” does not make grammatical sense. Consider re-writing the sentence as “High vegetation, particularly street trees in densely built urban neighbourhoods, …”

Page 3 Line 16 – “More especially” is not the correct phrase for the start of a paragraph and doesn’t really fit with the following sentence. Perhaps consider using “Many different approaches are currently applied…”

Page 3 Line 17 – “Among following single-layer models” does not make sense. Do you mean to say “Among single-layer models with integrated vegetation schemes, Lee and Park (2008) were the first…”?

Page 5 Line 28 – Think there is a miss-spelling of the word plane (“plan” is in the text). Do you mean “on a two dimensional plane which…”?

Page 7 Line 11 – Are the trees not technically “cuboids” as opposed to “parallelepipeds”, which are typically formed of 6 parallelograms? In this paper you are only considering rectangular cross sections so maybe cuboid would be a more appropriate term.

Page 12 Line 11 – Should the word “declined” be “defined”?

Page 12 Line 16 – Consider again using the word “cuboid” as opposed to “parallelepiped”

Page 12 Line 16 – Sentence starting “The vegetation blocks…” does not make sense. Does it mean to say “The vegetation blocks are continuous lengthwise along the canyon.”?

Page 13 Line 15 – This sentence doesn’t make sense. Should it read along the lines of “In SOLENE, the incident radiation is roughly attenuated by 50% once crossing the mesh containing vegetation”?

Page 15 Line 20 – The link between the example of the daily cycle and the scatterplots is not clear. This could do with some additional sentence explaining some context as to why the scatterplots were created.

Page 15 Line 30 – An additional “the” in this sentence is not required. Should it read “The two walls have different behaviours: the wall most exposed to the sun …”?

Page 16 Line 1 – This first few sentences don’t make sense. You could consider replacing them with something along the lines of “In the calculation of diffuse solar radiation, TEB does not consider the two walls separately. Therefore the diffuse solar radiation flux is compared between the composite wall of TEB, and the average of the diffuse solar radiation fluxes received by separate walls of the SOLENE simulations (Fig. 4).”

Page 18 Line 1 – The word “Remind” does not make sense here? The word “Remembering” is more appropriate.

Page 19 Line 8 – Consider re-referencing figure 8 here so the reader knows which boxplot figure you are referring to. Perhaps include after the word “boxplots”?

Page 19 Line 26 – The start of the sentence “It is expected result..” does not make sense. Should it read “This is expected because…”?

Page 19 Line 30 – The sentence beginning “We observe…” does not make sense. Should it read something like, “We observed greater variability in the mean daily canyon albedo after the implementation of an explicit high vegetation stratum for an urban form with h/w = 1 and a high relative tree fraction.”?

Page 20 Line 8 – Incorrect use of plural. Use “radiative transfer” instead of “radiative transfers”.

Page 21 Line 6 – Should the word “extend” be “extent”?

Page 21 Line 7 – For this sentence to make sense use word “pair” instead of “pairs”.

Page 21 Line 7 – Sentence should start “This study demonstrated …”

Figure Captions
In the figure captions the units for meters should not be in italics.

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ED: Publish subject to minor revisions (Editor review) (30 Nov 2016) by Thomas Poulet

AR by Emilie Redon on behalf of the Authors (04 Jan 2017) Author's response

ED: Publish as is (09 Jan 2017) by Thomas Poulet

AR by Emilie Redon on behalf of the Authors (09 Jan 2017)

Short summary

In order to assess the potential of cooling of urban vegetation in cities, we need to refine some processes in the microclimate models running on cities as the TEB model. The shading effects of trees on roads, low vegetation (grass), or walls are key processes impacting both air and surface temperatures in the streets by reducing them and improving the thermal comfort of inhabitants. They have been implemented into the TEB model and simulations have been evaluated by a fine-scale model, SOLENE.