Dr. Ann Kristin Naumann

Deutloff, J., S. Buehler, M. Brath, and A. K. Naumann: Insights on tropical high-cloud radiative effect from a new conceptual model, in review.

Naumann, A. K., M. Esch, and B. Stevens: How the representation of microphysical processes affects tropical condensate in a global storm-resolving model, EGUsphere, doi:10.5194/egusphere-2024-2268, under review for ACP.

Pithan, F., A. K. Naumann, and M. Maturilli: Too cold, too saturated? Evaluating climate models at the gateway to the Arctic, in review.

2024

Fons, E., A. K. Naumann, D. Neubauer, T. Lang, and U. Lohmann: Investigating the sign of stratocumulus adjustments to aerosols in the global storm-resolving model ICON, Atmos. Chem. Phys., 24, 8653–8675, doi:10.5194/acp-24-8653-2024, 2024.

2023

George, G., B. Stevens, S. Bony, R. Vogel, and A. K. Naumann (2023): Widespread shallow mesoscale circulations observed in the trades, Nat. Geosci., 16, 584–589, doi:10.1038/s41561-023-01215-1.

Hohenegger, C., and 59 co-authors (incl. A. K. Naumann) (2023): ICON-Sapphire: simulating the components of the Earth System and their interactions at kilometer and subkilometer scales, Geosci. Model Dev., 16, 779–811, doi.org/10.5194/gmd-16-779-2023.

Lang, T., A. K. Naumann, S. Buehler, B. Stevens, H. Schmidt, and F. Aemisegger (2023): Sources of uncertainty in mid-tropospheric tropical humidity in global storm-resolving simulations, J. Adv. Model. Earth Syst., 15, e2022MS003443, doi.org/10.1029/2022MS003443.

Radtke, J., R. Vogel, F. Ament, and A. K. Naumann: Spatial organisation affects the pathway to precipitation in simulated trade-wind convection, Geophys. Res. Lett., 50(20), e2023GL103579, doi.org/10.1029/2023GL103579.

2022

Radtke, J., A. K. Naumann, M. Hagen, and F. Ament (2022): The relationship between precipitation and its spatial organisation in the trades observed during EUREC4A, Q. J. R. Meteorol. Soc., 148, 1913–1928, doi:10.1002/qj.4284.

2021

Jung, H., A. K. Naumann and B. Stevens (2021): Convective self-aggregation in a mean flow, Atmos. Chem. Phys., 21, 10337–10345, doi:10.5194/acp-21-10337-2021.

Lang, T., A. K. Naumann, B. Stevens and S. Buehler (2021): Tropical free-tropospheric humidity differences and their effect on the clear-sky radiation budget in global storm-resolving models, J. Adv. Model. Earth Syst.,13, e2021MS002514, doi:10.1029/2021MS002514.

Stevens, B., S. Bony, D. Farrell and 290 co-authors (incl. A. K. Naumann) (2021): EUREC4A, Earth Syst. Sci. Data, 13, 4067–4119, doi:10.5194/essd-13-4067-2021.

2020

Fiedler, S., T. Crueger, R. D'Agostino, K. Peters, T. Becker, D. Leutwyler, L. Paccini, J. Burdanowitz, S. A. Bühler, A. U. Cortes, T. Dauhut, D. Dommenget, K. Fraedrich, L. Jungandreas, N. Maher, A. K. Naumann, M. Rugenstein, M. Sakradzija, H. Schmidt, F. Sielmann, C. Stephan, C. Timmreck, X. Zhu and B. Stevens (2020): Simulated tropical precipitation assessed across three major phases of the coupled model intercomparison project (CMIP), Mon. Weather Rev., 148(9), 3653-3680, doi:10.1175/MWR-D-19-0404.1.

Naumann, A. K., and C. Kiemle (2020): The vertical structure and spatial variability of lower-tropospheric water vapor and clouds in the trades, Atmos. Chem. Phys., 20, 6129–6145, doi:10.5194/acp-20-6129-2020.

Stevens, B., S. Bony, H. Brogniez, L. Hentgen, C. Hohenegger, C. Kiemle, T. S. L'Ecuyer, A. K. Naumann, H. Schulz, P. A. Siebesma, J. Vial, D. M. Winker, and P. Zuidema (2020): Sugar, gravel, fish, and flowers -- Mesoscale cloud patterns in the tradewinds, Q. J. Royal Meteorol. Soc., 146, 141-152, doi: 10.1002/qj.3662.

Stevens, B., and 56 co-authors (incl. A. K. Naumann) (2020): Large-eddy and storm resolving models for climate prediction -- The added value for clouds and precipitation, J. Meteor. Soc. Japan, 98(2), 395-435, doi:10.2151/jmsj. 2020-021.

2019

Klingebiel, M., V. Ghate, A. K. Naumann, F. Ditas, M. Pöhlker, C. Pöhlker, K. Kandler, H. Konow, and B. Stevens (2019): Remote sensing of sea salt aerosol below trade wind clouds, J. Atmos. Sci., 76(5), 1189-1202, doi:10.1175/JAS-D-18-0139.1.

Naumann, A. K., B. Stevens, and C. Hohenegger (2019): A moist conceptual model for the boundary layer structure and radiatively driven shallow circulations in the trades, J. Atmos. Sci., 76(5), 1289-1306, doi:10.1175/JAS-D-18-0226.1.

Vial, J., R. Vogel, S. Bony, B. Stevens, D. M. Winker, X. Cai, C. Hohenegger, A. K. Naumann, and H. Brogniez (2019): A new look at the daily cycle of tradewind cumuli, J. Adv. Model. Earth Syst., 11(10), 3148-3166, doi: 10.1029/2019MS001746.

2018

Crueger, T., M. A. Giorgetta, R. Brokopf, M. Esch, S. Fiedler, C. Hohenegger, L. Kornblueh, T. Mauritsen, C. Nam, A. K. Naumann, K. Peters, S. Rast, E. Roeckner, H. Schmidt, M. Sakradzija, J. Vial, R. Vogel, and B. Stevens (2018): ICON-A, the atmosphere component of the ICON Earth System Model. Part II: Model evaluation, J. Adv. Model. Earth Syst., 10(7), 1638–1662, doi:10.1029/2017MS001233.

2017

Bellon, G., O. Reitebuch, and A. K. Naumann (2017): Shallow circulations: relevance and strategies for satellite observation, Surv. Geophys., 38(6), 1509-1528, doi:10.1007/s10712-017-9442-2.

Naumann, A. K., B. Stevens, C. Hohenegger, and J. P. Mellado (2017): A conceptual model of a shallow circulation induced by low-level radiative cooling, J. Atmos. Sci., 74(10), 3129-3144, doi:10.1175/JAS-D-17-0030.1.

Rauser, F., M. Alqadi, S. Arowolo, N. Baker, J. Bedard, E. Behrens, N. Dogulu, L. Domingues, A. Frassoni, J. Keller, S. Kirkpatrick, G. Langendijk, M. Mirsafa, S. Mohammad, A. K. Naumann, M. Osman, K. Reed, M. Rothmüller, V. Schemann, A. Singh, S. Sonntag, F. Tummon, D. Victor, M. Villafuerte, J. Walawender, and M. Zaroug (2017): Earth system science frontiers: An early career perspective, Bull. Amer. Meteor. Soc., 98(6), 1120-1127, doi: 10.1175/BAMS-D-16-0025.1.

2016 and earlier

Naumann, A. K. and A. Seifert (2016): Recirculation and growth of raindrops in simulated shallow cumulus, J. Adv. Model. Earth Syst., 08(2), 520-537, doi:10.1002/2016MS000631.

Naumann, A. K. and A. Seifert (2016): Evolution of the shape of the raindrop size distribution in simulated shallow cumulus, J. Atmos. Sci., 73(6), 2279-2297, doi:10.1175/JAS-D-15-0263.1.

Naumann, A. K. and A. Seifert (2015): A Lagrangian drop model to study warm rain microphysical processes in shallow cumulus, J. Adv. Model. Earth Syst., 7(3), 1136-1154, doi:10.1002/2015MS000456.

Naumann, A. K., A. Seifert, and J. P. Mellado (2013): A refined statistical cloud closure using double-Gaussian probability density functions, Geosci. Model Dev., 6, 1641-1657, doi:10.5194/gmd-6-1641-2013.

Naumann, A. K., D. Notz, L. Håvik, and A. Sirevaag (2012): Laboratory study of initial sea-ice growth: properties of grease ice and nilas, The Cryosphere, 6, 729-741, doi:10.5194/tc-6-729-2012.

Thesis

Naumann, A. K. (2015): Cloud structures and rain formation in the atmospheric boundary layer. PhD thesis, University of Hamburg.

Naumann, A. K. (2011): Physikalische Prozesse der Meereisentwickung in offenem Wasser. Master thesis, University of Hamburg.