Multiphase processes in the EC-Earth model and their relevance to the atmospheric oxalate, sulfate, and iron cycles

Myriokefalitakis, Stelios; Bergas-Massó, Elisa; Gonçalves-Ageitos, María; Pérez García-Pando, Carlos; van Noije, Twan; Le Sager, Philippe; Ito, Akinori; Athanasopoulou, Eleni; Nenes, Athanasios; Kanakidou, Maria; Krol, Maarten C.; Gerasopoulos, Evangelos

doi:https://doi.org/10.5194/gmd-15-3079-2022

Articles | Volume 15, issue 7

https://doi.org/10.5194/gmd-15-3079-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-15-3079-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 7

Development and technical paper

|

08 Apr 2022

Development and technical paper |

| 08 Apr 2022

Multiphase processes in the EC-Earth model and their relevance to the atmospheric oxalate, sulfate, and iron cycles

Stelios Myriokefalitakis, Elisa Bergas-Massó, María Gonçalves-Ageitos, Carlos Pérez García-Pando, Twan van Noije, Philippe Le Sager, Akinori Ito, Eleni Athanasopoulou, Athanasios Nenes, Maria Kanakidou, Maarten C. Krol, and Evangelos Gerasopoulos

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Final revised paper (published on 08 Apr 2022)
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Preprint (discussion started on 10 Nov 2021)
Supplement to the preprint

Interactive discussion

Status: closed

CEC1:
'Comment on gmd-2021-357', Juan Antonio Añel, 26 Nov 2021

Dear authors,

After checking your manuscript, we have several concerns regarding the sections on Code and Data availability. First of all, the 'Code availability' section does not contain enough information. Being bad enough that you do not share the EC-Earth code, the manuscript should include a description of model versions, including internal tags and how to access them. This applies to all the submodels you use, too (e.g., EC-Earth3-Iron, LPJ-GUESS, etc.) It is not enough to mention the need for a license agreement, but you must indicate how to get it (webpage, contact, link, etc.).

The Data section must include information on how to access the databases used (e.g., AERONET), the date when you got the data, last access to webpages, etc. Also, you should store the final files with the results from the simulations (only the variables relevant for your study) in a permanent repository that complies with our policy (e.g. Zenodo - see our policy and guidelines for more options). I understand that this is not a problem with the EC-Earth license and that you can do it easily.

Please, fix these issues by replying to this comment as soon as possible. In this way the information will be available for the Discussions stage. Also, in a potential reviewed version of your manuscript, include all the corrections necessary according to the new information here requested.
Juan A. Añel
Geosc. Mod. Dev. Executive Editor

Citation: https://doi.org/10.5194/gmd-2021-357-CEC1
- AC1:
  'Reply on CEC1', Stylianos Myriokefalitakis, 05 Dec 2021
  
  Dear Executive Editor,
  Based on your requests, the Code availability Sect., the Data availability Sect., and the Acknowledgments should be changed as follows:
  Code availability
  
  The EC-Earth3-Iron code is available from the EC-Earth development portal (https://dev.ec-earth.org/ ) for members of the consortium. EC-Earth3-Iron adds new features to the EC-Earth-AerChem version 3.3.2.1, which includes the IFS cycle 36r4, the NEMO-LIM3 release 3.6, the TM5-mp 3.0, and makes use of the OASIS3-MCT version 3.0 coupler. An AMIP reader is also available to use ocean prescribed data. Model codes developed at ECMWF, including the atmosphere model IFS, are intellectual property of ECMWF and its member states. Permission to access the EC-Earth3-Iron source code can be requested from the EC-Earth community via the EC-Earth website (http://www.ec-earth.org/ ) and may be granted if a corresponding software license agreement is signed with ECMWF. The corresponding repository tag is 3.3.2.1-Fe. Currently, only European users can be granted access, due to license limitations of the model.
  Data availability
  
  The Aerosol Robotic Network retrievals of optical depth were downloaded through the AERONET data download tool (available at: https://aeronet.gsfc.nasa.gov/, last accessed March 28, 2020). Access to the observations of dust concentration from the AMMA campaign can be requested through the INDAAF website https://indaaf.obs-mip.fr/ (last accessed May, 2021). Other observational datasets used for evaluation are available in the referenced articles.
  
  ERA-Interim data is available through the ECMWF data download site (https://apps.ecmwf.int/datasets/data/interim-full-daily/levtype=sfc/, last accessed December 2, 2019), and the gridded emission datasets, as well as ocean surface conditions used in this work, are available through the input4MIPs download tool (https://esgf-node.llnl.gov/projects/input4mips/, last accessed December 2, 2019). The model outputs relevant for this study are stored in the zenodo repository, accessible through: https://doi.org/10.5281/zenodo.5752596.
  Acknowledgments [in addition]
  
  The authors gratefully acknowledge the AERONET and RSMA PI(s) and their staff for establishing and maintaining the sites and data used in this investigation. PM10 measurements in Banizoumbou (Niger), Cinzana (Mali), M'Bour (Senegal) were performed in the framework of the French National Observatory Service INDAAF (International Network to study Deposition and Atmospheric composition in Africa; https://indaaf.obs-mip.fr/) piloted by the LISA and LAERO and supported by the INSU/CNRS, the IRD and the Observatoire Midi-Pyrénées and the Observatoire des Sciences de l'Univers EFLUVE.
  Please note, that the Code Availability Sect. is based on previous publications of the EC-Earth consortium members, recently published (see van Noije et al., 2021, https://doi.org/10.5194/gmd-14-5637-2021) or accepted for publication (see Döscher et al., https://doi.org/10.5194/gmd-2020-446, in review, 2021 ) in Geosc. Mod. Dev. We would like also to clarify that for this study our model developments are based on the AerChem configuration of EC-Earth (see also Sect. 2.2. in the manuscript); thus not all of the existed submodels are here used (e.g., LPJ-GUESS, etc.). For this, the Code Availability Sect. is limited to the submodels used for this work.
  We finally note that in a potential reviewed version of our manuscript, we will include the aforementioned corrections.
  Yours sincerely,
  
  S. Myriokefalitakis
  
  Citation: https://doi.org/10.5194/gmd-2021-357-AC1
  - CEC2: 'Reply on AC1', Juan Antonio Añel, 06 Dec 2021
    
    Dear authors,
    Many thanks for the much-improved Code and Data Availability section. However, I still have a little concern about the data. Both the AERONET and the INDAAF websites are not trustable repositories for long-term archival, and nothing prevents that the URLs are discontinued in the future. Both AERONET ad INDAAF do not have any request or legal condition in their web pages that prevents you from archiving the data you have downloaded in an open repository. Therefore, I kindly request you to upload the data that you have obtained from these sites, and used for your work, to the Zenodo repository.
    Best regards,
    Juan A. Añel
    Geosc. Mod. Dev. Executive Editor
    
    Citation: https://doi.org/10.5194/gmd-2021-357-CEC2
    
    CC1: 'Reply on CEC2', María Gonçalves-Ageitos, 13 Dec 2021
    
    Dear Executive Editor,
    Following your recommendation, we have uploaded the AERONET data used in Figure 4 in a ZENODO public repository (https://doi.org/10.5281/zenodo.5776347). The reference to this data will be added in the Data Availability section, as follows:
    The Aerosol Robotic Network retrievals of optical depth were downloaded through the AERONET data download tool (available at: https://aeronet.gsfc.nasa.gov/, last accessed March 28, 2020). The derived climatologies used for model evaluation in Figure 4 have been stored with doi:10.5281/zenodo.5776347.
    Regarding the information from INDAAF, we would like to preserve the data access policy as defined by the providers, who ask the users to register in their platform and state the purpose of the data request prior granting access. For that reason, we have not included the information on a public repository.
    We will include the aforementioned corrections in a potential reviewed version of this manuscript.
    All the best,
    María Gonçalves Ageitos (on behalf of all authors).
    
    Citation: https://doi.org/10.5194/gmd-2021-357-CC1
RC1:
'Comment on gmd-2021-357', Anonymous Referee #1, 07 Dec 2021

The comment was uploaded in the form of a supplement: https://gmd.copernicus.org/preprints/gmd-2021-357/gmd-2021-357-RC1-supplement.pdf

Citation: https://doi.org/10.5194/gmd-2021-357-RC1
- AC2: 'Reply on RC1', Stylianos Myriokefalitakis, 04 Feb 2022
  
  We thank the reviewer for the careful reading of the manuscript and the insightful comments. Please find in the supplement our point-by-point replies.
  
  Citation: https://doi.org/10.5194/gmd-2021-357-AC2
RC2:
'Comment on gmd-2021-357', Douglas Hamilton, 25 Dec 2021

The comment was uploaded in the form of a supplement: https://gmd.copernicus.org/preprints/gmd-2021-357/gmd-2021-357-RC2-supplement.pdf

Citation: https://doi.org/10.5194/gmd-2021-357-RC2
- AC3: 'Reply on RC2', Stylianos Myriokefalitakis, 04 Feb 2022
  
  We thank the reviewer for the careful reading of the manuscript and the insightful comments. Please find in the supplement our point-by-point replies.
  
  Citation: https://doi.org/10.5194/gmd-2021-357-AC3

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload

AR by Stylianos Myriokefalitakis on behalf of the Authors (09 Feb 2022) Author's response Author's tracked changes Manuscript

ED: Publish as is (24 Feb 2022) by Samuel Remy

AR by Stylianos Myriokefalitakis on behalf of the Authors (01 Mar 2022) Author's response Manuscript

Short summary

We here describe the implementation of atmospheric multiphase processes in the EC-Earth Earth system model. We provide global budgets of oxalate, sulfate, and iron-containing aerosols, along with an analysis of the links among atmospheric composition, aqueous-phase processes, and aerosol dissolution, supported by comparison to observations. This work is a first step towards an interactive calculation of the deposition of bioavailable atmospheric iron coupled to the model’s ocean component.