Source apportionment and seasonal variation of PM<sub>2.5</sub> in a Sub-Saharan African city: Nairobi, Kenya

Gaita, S. M.; Boman, J.; Gatari, M. J.; Pettersson, J. B. C.; Janhäll, S.

doi:https://doi.org/10.5194/acp-14-9977-2014

Articles | Volume 14, issue 18

https://doi.org/10.5194/acp-14-9977-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-14-9977-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 18

Research article

|

19 Sep 2014

Research article |

| 19 Sep 2014

Source apportionment and seasonal variation of PM_2.5 in a Sub-Saharan African city: Nairobi, Kenya

S. M. Gaita, J. Boman, M. J. Gatari, J. B. C. Pettersson, and S. Janhäll

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Final revised paper (published on 19 Sep 2014)
Supplement to the final revised paper
Preprint (discussion started on 08 Apr 2014)

Interactive discussion

Status: closed

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

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- Supplement

RC C1745: 'Interactive comment', Anonymous Referee #1, 24 Apr 2014
- AC C3162: 'Responses to Anonymous Referee #1', Samuel Mwaniki Gaita, 03 Jun 2014
RC C1865: 'Anonymous review', Anonymous Referee #2, 28 Apr 2014
- AC C3163: 'Responses to Anonymous Referee #2', Samuel Mwaniki Gaita, 03 Jun 2014
RC C2166: 'Interactive comment on “Source Source apportionment and seasonal variation of PM2.5 in a Sub-Sahara African city: Nairobi, Kenya” by Gaita et al.', Anonymous Referee #3, 08 May 2014
- AC C3164: 'Responses to Anonymous Referee #3', Samuel Mwaniki Gaita, 03 Jun 2014

Peer-review completion

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

AR by Samuel Mwaniki Gaita on behalf of the Authors (30 Jun 2014) Author's response Manuscript

ED: Referee Nomination & Report Request started (17 Jul 2014) by Alex Huffman

RR by Anonymous Referee #2 (21 Jul 2014)

RR by Anonymous Referee #3 (25 Jul 2014)

RR by Anonymous Referee #1 (01 Aug 2014)

Suggestions for revision or reasons for rejection

The revised manuscript is somewhat better than the original version, but it is still far from being a great manuscript. The data interpretation is on several occasions not very convincing. Furthermore, there are still problems with the grammar and wording that have to be taken care of.

Specific comments:

1. Page 3, line 25: “Graeff, 2010” is not in the Reference list.

2. Page 12, line 25: There is no Fe on the fourth factor; instead Zn and Pb are on this factor and this should be indicated here.

3. Pages 21-28, list of References: The titles of journal articles should be in lower case instead of in title case. Furthermore, the journal names are not all in the same style. For most journals, the full name is listed, but for some an abbreviated name is given.

4. Supplementary material: It is unclear what the point of this is. There is no reference made to it within the main text. Also, the figures in it should be labeled Fig. S1, Fig. S2, and Fig. S3.

5. Technical and other minor corrections:

p. 3, l. 12: Replace “their sources” by “its sources”.

p. 3, l. 17: Replace “WHO” by “WHO, 2000”.

p. 7, l. 24: Replace “Jomo Kenya” by “Jomo Kenyatta”.

p. 8, l. 8: Replace “were recorded” by “was recorded”.

p. 8, l. 25: Replace “indicate that” by “indicates that”.

p. 9, l. 11: Replace “1983b” by “1983”.

p. 10, l. 16: Replace “during the 2009” by “during 2009”.

p. 10, l. 31: Replace “show similarity” by “shoes similarity”.

p. 11, l. 1: Replace “are equally” by “is equally”.

p. 11, l. 4: Replace “UNEP and” by “UNEP site and”.

p. 12, l. 13: Replace “particles. This mixed factor accounts 13% of the mass concentration (Fig. 9).” by “particles (Fig. 9). This mixed factor accounts for 13% of the mass concentration.”.

p. 13, l. 4: Replace “concentration (Fig. 11). It is characterized by the presence of Zn, Fe, Cl and K.” by “concentration. It is characterized by the presence of Zn, Fe, Cl and K (Fig. 11).”.

p. 13, l. 9: Replace “at industrial” by “at an industrial”.

p. 13, l. 10: Replace “composition of” by “contribution of”.

p. 13, l. 24: Replace “on going drought” by “ongoing drought”.

p. 13, l. 25: Replace “range from” by “ranges from”.

p. 14, l. 6: Replace “factor, shows” by “factor shows”.

p. 14, l. 7: Replace “2009, deviates” by “2009 deviates”.

p. 14, l. 8: Replace “Br/Pb ratio” by “Br/Pb ratio in this season”.

p. 14, l. 10: Replace “1983a” by “1983”.

p. 23, l. 3: Replace “1983a” by “1983”.

p. 23, l. 4-6: These lines should be removed.

p. 23, l. 10: Replace “invetory” by “inventory”.

p. 32, last 3 lines: The parentheses are unpaired.

p. 43, first line of figure caption: Replace “composition of” by “contribution of”.

p. 45, second line of figure caption: Replace “constitute of” by “constitutes of”.

p. 46, second line of figure caption: Replace “PM2.5 The” by “PM2.5. The”.

First page of Supplementary material, second line of figure caption: Replace “concentrations sampled in” by “concentrations in”.

Second page of Supplementary material, within the figure: Replace “Percentage composition” by “Percentage contribution”.

Third page of Supplementary material, first line of figure caption: Replace “The figure shows the amount of” by “Amount of”.

Third page of Supplementary material, fourth line of figure caption: Replace “Jomo Kenya” by “Jomo Kenyatta”.

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ED: Reconsider after minor revisions (Editor review) (07 Aug 2014) by Alex Huffman

AR by Samuel Mwaniki Gaita on behalf of the Authors (11 Aug 2014) Author's response Manuscript

ED: Publish as is (21 Aug 2014) by Alex Huffman

AR by Samuel Mwaniki Gaita on behalf of the Authors (22 Aug 2014)

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Source apportionment and seasonal variation of PM2.5 in a Sub-Saharan African city: Nairobi, Kenya

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Peer-review completion

Source apportionment and seasonal variation of PM_2.5 in a Sub-Saharan African city: Nairobi, Kenya