Arctic Summer Cloud Ocean Study (ASCOS)


PI: Ola Persson (U. Colorado), Co-PI Matthew Shupe (U. Colorado)



Papers Under This Grant

  1. Mauritsen, T., J. Sedlar, M. Tjernstrom, C. Leck, M. Martin, M. D. Shupe, S. Sjogren, B. Sierau, O. Persson, I. Brooks, and E. Swietlicki, 2011: An Arctic CCN-limited cloud-aerosol regime. Atmos. Chem. Phys., 11, 165-173.
  2. Sedlar, J., M. Tjernstrom, T. Mauritsen, M.D. Shupe, I.M. Brooks, P.O.G. Persson, C.E. Birch, C. Leck, A. Sirevaag, and M. Nicolaus, 2011: A transitioning Arctic surface energy budget: the impacts of solar zenith angle, surface albedo and cloud radiative forcing. Climate Dynamics, 37, 1643-1660.
  3. Sedlar, J., M. D. Shupe, and M. Tjernstrom, 2012: On the relationship between thermodynamic structure, cloud top, and climate significance in the Arctic. J. Climate, 25, 2374-2393.
  4. Shupe, M. D., I. Brooks, and G.Canut, 2012: Evaluation of turbulent dissipation rate retrievals from Doppler cloud radar. Atmos. Meas. Tech. Discuss., 5, 747-777.
  5. Birch, C. E., I. M. Brooks, M. Tjernstrom, M. D. Shupe, T. Mauritsen, J. Sedlar, A. P. Lock, P. Earnshaw, P.O.G. Persson, S.F. Milton, and C. Leck, 2012: Modelling atmospheric structure, cloud and their response to CCN in the Central Arctic: ASCOS case studies. , Atmos. Chem. Phys., 12, 3419-3435.
  6. Tjernstrom, M, C. E. Birch, I. M. Brooks, M. D. Shupe, P. O. G. Persson, J. Sedlar, T. Mauritsen, C. Leck, J. Paatero, M. Szczodrak, and C. R. Wheeler, 2012: Central Arctic atmospheric summer conditions during the Arctic Summer Cloud Ocean Study (ASCOS): Contrasting to previous expeditions. Atmos. Chem. Phys. Disc., 12, 4101-4164.

Presentations and Posters

  1. ASCOS Workshop 2009
    Clouds during ASCOS.
    Workshop presentation.
  2. AMS Polar Meteorology and Oceanography 2009
    Surface-based Remote-Sensing of Clouds during ASCOS.
  3. ASCOS Workshop 2010
    Cloud Microphysical-Dynamical Processes.
  4. AMS Cloud Physics Conference 2010
    Dynamical-Microphysical Interactions in Arctic Mixed-Phase Clouds.

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