Analysis of properties of the 19 February 2018 volcanic eruption of Mount Sinabung in S5P/TROPOMI and Himawari-8 satellite data

de Laat, Adrianus; Vazquez-Navarro, Margarita; Theys, Nicolas; Stammes, Piet

doi:https://doi.org/10.5194/nhess-20-1203-2020

Articles | Volume 20, issue 5

https://doi.org/10.5194/nhess-20-1203-2020

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

Special issue:

Analysis and prediction of natural airborne aviation hazards

https://doi.org/10.5194/nhess-20-1203-2020

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

Articles | Volume 20, issue 5

Research article

|

04 May 2020

Research article |

| 04 May 2020

Analysis of properties of the 19 February 2018 volcanic eruption of Mount Sinabung in S5P/TROPOMI and Himawari-8 satellite data

Adrianus de Laat, Margarita Vazquez-Navarro, Nicolas Theys, and Piet Stammes

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Interactive discussion

Status: closed

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

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RC1: 'Review of `Analysis of properties of the 19 February 2018 volcanic eruption of Mount Sinabung in S5P/TROPOMI and Himawari satellite data' by de Laat et al.', Anonymous Referee #1, 30 Aug 2019
- AC1: 'referee #1 response', Adrianus de Laat, 06 Feb 2020
RC2: 'Review of de Laat et al. 2019', Anonymous Referee #2, 05 Nov 2019
- AC2: 'response to referee #2 comments', Adrianus de Laat, 06 Feb 2020

Peer-review completion

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

ED: Reconsider after major revisions (further review by editor and referees) (14 Feb 2020) by Marcus Hirtl

AR by Adrianus de Laat on behalf of the Authors (09 Mar 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (10 Mar 2020) by Marcus Hirtl

RR by Anonymous Referee #2 (18 Mar 2020)

Suggestions for revision or reasons for rejection

I am happy that the authors took into account all remarks from the reviewers. The revised manuscript only need some minor revision related to text and figure captions before it can be published

P4, L102 UV abbreviation first appears here, but could already appear P2 L65

P5 L139 UV abbreviation never defined before, could be done on P2 L65

P5 L134 Missing word: It is expected that *IN* the coming years a surface albedo...

P5 L165 Missing word: These heights are consistent with results *OF* the recently...

P6 L182-184 There is some confusion and a missing word in this sentence:
...in the FRESCO cloud height and ROCINN cloud *PRESSURE* ...
...as well as in the ROCINN and O22CLD scene pressures... ROCINN is not shown in Fig1b, but I think here you mean FRESCO

P6, L187: According to Fig3, FRESCO and ROCINN cloud heights differ by up to 5km in the center of the plume. So the sentence 'cloud heights are rather similar' is not really correct... Please rephrase

P6 L187: The sentence 'However, there are also clear differences.' does not make sense here, because it refers to the sentence before about FRESCO and ROCINN. However, the next sentence is related to differences between O22CLD and FRESCO. If you want to keep this statement here, you could move the last sentence of the paragraph (P7 L194-197) here, which refers to FRESCO/ROCINN differences... Btw - this last sentence is however (strictly speaking) not correct, when you look at Fig 3 (see my above comment)

P10 L314: Incomplete sentence: ...as generally the associated aerosol optical depth will be (much) larger than on [de Graaf et al., 2005].

P11 No reference to Hedelt et al. 2019 in the References

Figure 5b: Figure title and caption are not correct. In the title and text it is written that the data is color-coded for SO2>20DU, which is a light-red color according to the SO2 color bar. In the plot however several dark red points appear, indicating much lower SO2 values around 0-10DU. Please correct.

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RR by Anonymous Referee #1 (22 Mar 2020)

ED: Publish subject to minor revisions (review by editor) (23 Mar 2020) by Marcus Hirtl

AR by Adrianus de Laat on behalf of the Authors (27 Mar 2020)

ED: Publish subject to technical corrections (31 Mar 2020) by Marcus Hirtl

AR by Adrianus de Laat on behalf of the Authors (31 Mar 2020) Manuscript

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Short summary

TROPOMI satellite measurements can accurately determine the height of thick volcanic ash clouds from a short-lived volcanic eruption of the Sinabung volcano in Indonesia. Standard geostationary satellite detection of volcanic ash was limited due to the presence of water and ice in the upper parts of volcanic ash clouds, a known issue. The TROPOMI satellite measurements do not suffer from this limitation, hence providing information where standard geostationary volcanic ash detection is limited.