NETCARE

(NETwork on Climate and Aerosols: Addressing Key Uncertainties in Remote Canadian Environments)

July 2014, Resolute, Canada

NETCARE focused on the Arctic and Western Canada in order to target aerosol sources and processes most important in areas remote from industrial influences.  The Arctic is an area of focus given its extreme sensitivity to pollutant input and as a bellwether of climate change. Observations extend across the Arctic from land stations, an icebreaker, and a research aircraft.

Research aircraft Polar 6 at Resolute Bay. Picture: J. Schneider, MPIC.

We (joint project of Peter Hoor (JGU Mainz) and my research group) participated in the NETCARE-2014 field campaign at Resolute, Nunavut, Canada (74°41′51″N 094°49′56″W), July 2 - 23, 2014. Measurement platform was the research aircraft Polar 6 of the Alfred Wegener Institute (AWI). Local support and logistics (accomodation) were provided by the Polar Continental Shelf Program (PSCP). Integration and de-integration took place at Muskoka (near Toronto).
 
Blogs:
   - NETCARE-2014 blog (Mainz University, in German)
   - NETCARE research blog (University of Toronto)

Icebreaker "Amundsen" seen from Polar 6. Picture: J. Schneider, MPIC.

Collaboration:
Jon Abbat (PI), Megan Willis; University of Toronto, Canada
Richard Leaitch, Julia Burkhardt; Environment Canada
Andreas Herber, Alfred Wegener Institute, Germany
Peter Hoor, Heiko Bozem; University Mainz, Germany
Kathy Law, Jennie Thomas; LATMOS, Paris, France

Instrument: ALABAMA

People involved: MPIC: J. Schneider, F. Köllner, C. Schulz; U Mainz: P. Hoor, H. Bozem

Results:
Leaitch, W. R., Korolev, A., Aliabadi, A. A., Burkart, J., Willis, M. D., Abbatt, J. P. D., Bozem, H., Hoor, P., Köllner, F., Schneider, J., Herber, A., Konrad, C., and Brauner, R.: Effects of 20–100 nm particles on liquid clouds in the clean summertime Arctic, Atmos. Chem. Phys., 16, 11107-11124, doi:10.5194/acp-16-11107-2016, 2016.

Aliabadi, A. A., Thomas, J. L., Herber, A. B., Staebler, R. M., Leaitch, W. R., Schulz, H., Law, K. S., Marelle, L., Burkart, J., Willis, M. D., Bozem, H., Hoor, P. M., Köllner, F., Schneider, J., Levasseur, M., and Abbatt, J. P. D.: Ship emissions measurement in the Arctic by plume intercepts of the Canadian Coast Guard icebreaker Amundsen from the Polar 6 aircraft platform, Atmos. Chem. Phys., 16, 7899-7916, doi:10.5194/acp-16-7899-2016, 2016.

Willis, M. D., Burkart, J., Thomas, J. L., Köllner, F., Schneider, J., Bozem, H., Hoor, P. M., Aliabadi, A. A., Schulz, H., Herber, A. B., Leaitch, W. R., and Abbatt, J. P. D.: Growth of nucleation mode particles in the summertime Arctic: a case study, Atmos. Chem. Phys., 16, 7663-7679, doi:10.5194/acp-16-7663-2016, 2016.

Köllner, F., Schneider, J., Willis, M. D., Klimach, T., Helleis, F., Bozem, H., Kunkel, D., Hoor, P., Burkart, J., Leaitch, W. R., Aliabadi, A. A., Abbatt, J. P. D., Herber, A. B., and Borrmann, S.: Particulate trimethylamine in the summertime Canadian high Arctic lower troposphere, Atmos. Chem. Phys.,17, 13747-13766, https://doi.org/10.5194/acp-2017-505, 2017.

Willis, Megan D., Franziska Köllner, Julia Burkart, Heiko Bozem, Jennie L. Thomas, Johannes Schneider, Amir A. Aliabadi, Peter M. Hoor, Hannes Schulz, Andreas B. Herber, W. Richard Leaitch, and Jonathan P.D. Abbatt, Evidence for marine-biogenic influence on summertime Arctic aerosol, Geophys. Res. Lett., 44, 6460-6470, doi: 10.1002/2017GL073359, 2017.

Burkart, J., Willis, M. D., Bozem, H., Thomas, J. L., Law, K., Hoor, P., Aliabadi, A. A., Köllner, F., Schneider, J., Herber, A., Abbatt, J. P. D., and Leaitch, W. R.: Summertime observations of ultrafine particles and cloud condensation nuclei from the boundary layer to the free troposphere in the Arctic, Atmos. Chem. Phys., 17, 5515-5535, doi:10.5194/acp-2016-701, 2017.

Abbatt, J. P. D., Leaitch, W. R., Aliabadi, A. A., Bertram, A. K., Blanchet, J.-P., Boivin-Rioux, A., Bozem, H., Burkart, J., Chang, R. Y. W., Charette, J., Chaubey, J. P., Christensen, R. J., Cirisan, A., Collins, D. B., Croft, B., Dionne, J., Evans, G. J., Fletcher, C. G., Galí, M., Ghahremaninezhad, R., Girard, E., Gong, W., Gosselin, M., Gourdal, M., Hanna, S. J., Hayashida, H., Herber, A. B., Hesaraki, S., Hoor, P., Huang, L., Hussherr, R., Irish, V. E., Keita, S. A., Kodros, J. K., Köllner, F., Kolonjari, F., Kunkel, D., Ladino, L. A., Law, K., Levasseur, M., Libois, Q., Liggio, J., Lizotte, M., Macdonald, K. M., Mahmood, R., Martin, R. V., Mason, R. H., Miller, L. A., Moravek, A., Mortenson, E., Mungall, E. L., Murphy, J. G., Namazi, M., Norman, A.-L., O'Neill, N. T., Pierce, J. R., Russell, L. M., Schneider, J., Schulz, H., Sharma, S., Si, M., Staebler, R. M., Steiner, N. S., Thomas, J. L., von Salzen, K., Wentzell, J. J. B., Willis, M. D., Wentworth, G. R., Xu, J.-W., and Yakobi-Hancock, J. D.: Overview paper: New insights into aerosol and climate in the Arctic, Atmos. Chem. Phys., 19, 2527-2560, https://doi.org/10.5194/acp-19-2527-2019, 2019.

Bozem, H., Hoor, P., Kunkel, D., Köllner, F., Schneider, J., Herber, A., Schulz, H., Leaitch, W. R., Aliabadi, A. A., Willis, M. D., Burkart, J., and Abbatt, J. P. D.: Characterization of Transport Regimes and the Polar Dome during Arctic Spring and Summer using in-situ Aircraft Measurements, Atmos. Chem. Phys., 19, 15049–15071, https://doi.org/10.5194/acp-19-15049-2019, 2019.

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