Publication Abstracts

Li et al. 2024

Li, X.-Y., H. Wang, M.W. Christensen, J. Chen, S. Tang, S. Kirschler, E. Crosbie, L.D. Ziemba, D. Painemal, A.F. Corral, K.A. McCauley, S. Dmitrovic, A. Sorooshian, M. Fenn, J.S. Schlosser, S. Stamnes, J.W. Hair, B. Cairns, R. Moore, R.A. Ferrare, M.A. Shook, Y. Choi, J. DiGangi, J.B. Nowak, C. Robinson, T.J. Shingler, K.L. Thornhill, and C. Voigt, 2024: Process modeling of aerosol-cloud interaction in summertime precipitating shallow cumulus over the Western North Atlantic. J. Geophys. Res. Atmos., 129, no. 7, e2023JD039489, doi:10.1029/2023JD039489.

Process modeling of Aerosol-cloud interaction (ACI) is essential to bridging gaps between observational analysis and climate modeling of aerosol effects in the Earth system and eventually reducing climate projection uncertainties. In this study, we examine ACI in summertime precipitating shallow cumuli observed during the Aerosol Cloud meTeorology Interactions oVer the western ATlantic Experiment (ACTIVATE). Aerosols and precipitating shallow cumuli were extensively observed with in-situ and remote-sensing instruments during two research flight cases on 02 June and 07 June, respectively, during the ACTIVATE summer 2021 deployment phase. We perform observational analysis and large-eddy simulation (LES) of aerosol effect on precipitating cumulus in these two cases. Given the measured aerosol size distributions and meteorological conditions, LES is able to reproduce the observed cloud properties by aircraft such as liquid water content (LWC), cloud droplet number concentration (Nc) and effective radius reff. However, it produces smaller liquid water path (LWP) and larger Nc compared to the satellite retrievals. Both 02 and 07 June cases are over warm waters of the Gulf Stream and have a cloud top height over 3 km, but the 07 June case is more polluted and has larger LWC. We find that the Na-induced LWP adjustment is dominated by precipitation feedback for the 2 June precipitating case and there is no clear entrainment feedback in both cases. An increase of cloud fraction due to a decrease of aerosol number concentration is also shown in the simulations for the 02 June case.

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BibTeX Citation

  author={Li, X.-Y. and Wang, H. and Christensen, M. W. and Chen, J. and Tang, S. and Kirschler, S. and Crosbie, E. and Ziemba, L. D. and Painemal, D. and Corral, A. F. and McCauley, K. A. and Dmitrovic, S. and Sorooshian, A. and Fenn, M. and Schlosser, J. S. and Stamnes, S. and Hair, J. W. and Cairns, B. and Moore, R. and Ferrare, R. A. and Shook, M. A. and Choi, Y. and DiGangi, J. and Nowak, J. B. and Robinson, C. and Shingler, T. J. and Thornhill, K. L. and Voigt, C.},
  title={Process modeling of aerosol-cloud interaction in summertime precipitating shallow cumulus over the Western North Atlantic},
  journal={Journal of Geophysical Research: Atmospheres},

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RIS Citation

ID  - li00410k
AU  - Li, X.-Y.
AU  - Wang, H.
AU  - Christensen, M. W.
AU  - Chen, J.
AU  - Tang, S.
AU  - Kirschler, S.
AU  - Crosbie, E.
AU  - Ziemba, L. D.
AU  - Painemal, D.
AU  - Corral, A. F.
AU  - McCauley, K. A.
AU  - Dmitrovic, S.
AU  - Sorooshian, A.
AU  - Fenn, M.
AU  - Schlosser, J. S.
AU  - Stamnes, S.
AU  - Hair, J. W.
AU  - Cairns, B.
AU  - Moore, R.
AU  - Ferrare, R. A.
AU  - Shook, M. A.
AU  - Choi, Y.
AU  - DiGangi, J.
AU  - Nowak, J. B.
AU  - Robinson, C.
AU  - Shingler, T. J.
AU  - Thornhill, K. L.
AU  - Voigt, C.
PY  - 2024
TI  - Process modeling of aerosol-cloud interaction in summertime precipitating shallow cumulus over the Western North Atlantic
JA  - J. Geophys. Res. Atmos.
JO  - Journal of Geophysical Research: Atmospheres
VL  - 129
IS  - 7
SP  - e2023JD039489
DO  - 10.1029/2023JD039489
ER  -

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