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    <creator>
      <creatorName nameType="Personal">Aigner, Patrick</creatorName>
      <givenName>Patrick</givenName>
      <familyName>Aigner</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-1530-415X</nameIdentifier>
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    <creator>
      <creatorName nameType="Personal">Chen, Jia</creatorName>
      <givenName>Jia</givenName>
      <familyName>Chen</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6350-6610</nameIdentifier>
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    <creator>
      <creatorName nameType="Personal">Kürzinger, Klaus</creatorName>
      <givenName>Klaus</givenName>
      <familyName>Kürzinger</familyName>
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  <titles>
    <title xml:lang="en-us">ICOS Cities 2025-12 release mid-cost CO2 data from the Munich network ACROPOLIS</title>
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  <publisher>ICOS ERIC -- Carbon Portal</publisher>
  <publicationYear>2026</publicationYear>
  <resourceType resourceTypeGeneral="Collection">zipped csv files</resourceType>
  <subjects>
    <subject>ACROPOLIS</subject>
    <subject>CO2</subject>
    <subject>Mid-Cost</subject>
    <subject>Munich</subject>
    <subject>Vaisala-GMP343</subject>
    <subject>dry air mole fraction</subject>
    <subject>low-mid-cost</subject>
    <subject>rooftop</subject>
    <subject>urban</subject>
  </subjects>
  <contributors>
    <contributor contributorType="Producer">
      <contributorName nameType="Personal">Chen, Jia</contributorName>
      <givenName>Jia</givenName>
      <familyName>Chen</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6350-6610</nameIdentifier>
    </contributor>
    <contributor contributorType="Producer">
      <contributorName nameType="Personal">Kürzinger, Klaus</contributorName>
      <givenName>Klaus</givenName>
      <familyName>Kürzinger</familyName>
    </contributor>
  </contributors>
  <dates>
    <date dateType="Issued">2026-01-19</date>
  </dates>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsDescribedBy" resourceTypeGeneral="Report">10.18160/EEP1-TEE1</relatedIdentifier>
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  <version>1.0</version>
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  <descriptions>
    <description xml:lang="en-us" descriptionType="Methods">This collection represents the ICOS Cities 2025-12 release of CO2 data collected by the mid-cost sensor network ACROPOLIS in Munich, Germany. The measurement campaign is described in the ICOS Cities deliverable report D3.3: Emmenegger, L., Grange, S., Aigner, P., Chen, J., Utard, H., Chariot, M., Briffoteaux, G., 2025. 24-month quality-controlled CO2 measurements from mid-cost sensors at roof level for Paris, Munich and Zurich. ICOS ERIC - Carbon Portal. https://doi.org/10.18160/EEP1-TEE1.

Related work:  
* Aigner, P., Chen, J., Böhm, F., Chariot, M., Emmenegger, L., Frölich, L., Grange, S., Kühbacher, D., Kürzinger, K., Laurent, O., Makowski, M., Rubli, P., Schmitt, A., and Wenzel, A.: ACROPOLIS: Munich Urban CO2 Sensor Network, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-4157, 2025. 
* Aigner P., Kühbacher D., Wenzel A., Schmitt A., Böhm F., Makowski M., Kürzinger K., Laurent O., Rubli P., Grange S., Emmenegger L., and Chen J.: Advancing Urban Greenhouse Gas Monitoring: Development and Evaluation of a High-Density CO2 Sensor Network in Munich. ICOS Science Conference 2024, Versailles, France, 10.-12. Sept, https://www.icos-cp.eu/news-and-events/science-conference/icos2024sc/all-abstracts</description>
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