HCCT 2010 (Hill Cap Cloud Thuringia 2010)

Impressions from the field site at the UBA station on the mountain Schmücke in the Thuringian Forest. Pictures: J. Schneider, MPIC

HCCT-2010 was a field project coordinated by IfT Leipzig. It took place at the Schmücke mountain, Thüringer Wald, Germany, in September/October 2010.


Objectives of HCCT-2010:
   - HCCT-AMS: To assess the effects of clouds on organic particle
     composition by fast, multiple AMS based field measurements,
   - HCCT-OVOC: To assess the effects of clouds on the phase
     partitioning of oxygenated volatile organic compounds including
     interfacial effects,
   - HCCT-MODEL: To describe the effects of clouds on organic particle
     composition and gas phase oxidant budget by state-of-the-art
     multiphase modelling and comparison with field results.

Collaboration with:
H. Hermann, D. van Pinxteren, T. Gnauk, K. Müller, A. Wiedensohler A. Tilgner, L. Poulain, F. Stratmann, S. Mertes (IfT Leipzig)
C. George, B. D'Anna (CNRS/Univ. Lyon)
D. Heard, L. Whalley (Univ. Leeds)
D. Amedro, C. Fittschen, C. Shoemaker (Univ. Lille)
J. Collett, T. Lee (CSU Fort Collins)

Instrumentation (Group Schneider):
   Aerodyne C-ToF-AMS, HR-ToF-AMS, ALABAMA, Grimm OPC, FSSP-100

People involved (MPIC):
   A. Roth, J. Schneider, T. Böttger, W. Schneider, F. Freutel,
   S.-L. von der Weiden, P. Reitz, J. Diesch, E. Harris, B. Sinha

Results:

Harris, E., Sinha, B. R., van Pinxteren, D., Tilgner, A., Fomba, K. W., Schneider, J., Roth, A., Gnauk, T., Fahlbusch, B., Mertes, S., Lee, T., Collett, J., Foley, S., Borrmann, S., Hoppe, P., and Herrmann, H.: Enhanced role of transition metal ion catalysis during in-cloud oxidation of SO2, Science, 340, 727-730, DOI:10.1126/science.1230911, 2013.

Harris, E., Sinha, B., van Pinxteren, D., Schneider, J., Poulain, L., Collett, J., D'Anna, B., Fahlbusch, B., Foley, S., Fomba, K. W., George, C., Gnauk, T., Henning, S., Lee, T., Mertes, S., Roth, A., Stratmann, F., Borrmann, S., Hoppe, P., and Herrmann, H.: In-cloud sulfate addition to single particles resolved with sulfur isotope analysis during HCCT-2010, Atmos. Chem. Phys., 14, 4219-4235, doi:10.5194/acp-14-4219-2014, 2014.

Tilgner, A., Schöne, L., Bräuer, P., van Pinxteren, D., Hoffmann, E., Spindler, G., Styler, S. A., Mertes, S., Birmili, W., Otto, R., Merkel, M., Weinhold, K., Wiedensohler, A., Deneke, H., Schrödner, R., Wolke, R., Schneider, J., Haunold, W., Engel, A., Wéber, A., and Herrmann, H.: Comprehensive assessment of meteorological conditions and airflow connectivity during HCCT-2010, Atmos. Chem. Phys., 14, 9105-9128, doi:10.5194/acp-14-9105-2014, 2014. 

van Pinxteren, D., Fomba, K. W., Mertes, S., Müller, K., Spindler, G., Schneider, J., Lee, T., Collett, J. L., and Herrmann, H.: Cloud water composition during HCCT-2010: Scavenging efficiencies, solute concentrations, and droplet size dependence of inorganic ions and dissolved organic carbon, Atmos. Chem. Phys., 16, 3185-3205, doi:10.5194/acp-16-3185-2016, 2016.

Roth, A., Schneider, J., Klimach, T., Mertes, S., van Pinxteren, D., Herrmann, H., and Borrmann, S.: Aerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010, Atmos. Chem. Phys., 16, 505-524, doi:10.5194/acp-16-505-2016, 2016.

Schneider, J., Mertes, S., van Pinxteren, D., Herrmann, H., and Borrmann, S.: Uptake of nitric acid, ammonia, and organics in orographic clouds: mass spectrometric analyses of droplet residual and interstitial aerosol particles, Atmos. Chem. Phys., 17, 1571-1593, doi:10.5194/acp-17-1571-2017, 2017.

Roth, Anja: Untersuchungen von Aerosolpartikeln und Wolkenresidualpartikeln mittels Einzelpartikel-Massenspektrometrie und optischen Methoden, PhD thesis (in German), University Mainz, 2014.
http://nbn-resolving.de/urn:nbn:de:hebis:77-37770

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