====== Publications ====== ===== 2023 ===== Kiszler, T., Ori, D., and Schemann, V.: Microphysical processes involving the vapour phase dominate in simulated low-level Arctic clouds, EGUsphere [preprint], [[https://doi.org/10.5194/egusphere-2023-2986]], 2023. Burchart, Y., C. Beekmans and R. A. J. Neggers: A Stereo Camera Network simulator for Large-Eddy Simulations of continental Shallow Cumulus clouds based on three-dimensional Path-Tracing. Accepted, J. Atmos. Modeling Earth Syst., August 2023 Kiszler, T., Ebell, K., & Schemann, V. (2023). A performance baseline for the representation of clouds and humidity in cloud-resolving ICON-LEM simulations in the Arctic. Journal of Advances in Modeling Earth Systems, 15, e2022MS003299. [[https://doi.org/10.1029/2022MS003299]] Chylik, J., D. Chechin, R. Dupuy, B. Kulla, C. Lüpkes, M. Mech, S. Mertes, and Neggers, R. A. J.: Aerosol impacts on the entrainment efficiency of Arctic mixed-phase convection in a simulated air mass over open water. //ACP//, https://doi.org/10.5194/acp-23-4903-2023 Kirbus B, Tiedeck S, Camplani A, Chylik J, Crewell S, Dahlke S, Ebell K, Gorodetskaya I, Griesche H, Handorf D, Höschel I, Lauer M, Neggers R, Rückert J, Shupe MD, Spreen G, Walbröl A, Wendisch M and Rinke A, 2023: Surface impacts and associated mechanisms of a moisture intrusion into the Arctic observed in mid-April 2020 during MOSAiC. //Front. Earth Sci.// 11:1147848. https://doi.org/10.3389/feart.2023.1147848 Kirbus, Benjamin, Jan Chylik, André Ehrlich, Sebastian Becker, Michael Schäfer, Roel Neggers, Manfred Wendisch; Analysis of an Arctic cold air outbreak during autumn and related air mass transformations forced by surface changes and advection in higher altitudes. //Elementa: Science of the Anthropocene//, 5 January 2023; 11 (1): 00079. doi: https://doi.org/10.1525/elementa.2023.00079 Linke, O., Quaas, J., Baumer, F., Becker, S., Chylik, J., Dahlke, S., Ehrlich, A., Handorf, D., Jacobi, C., Kalesse-Los, H., Lelli, L., Mehrdad, S., Neggers, R. A. J., Riebold, J., Saavedra Garfias, P., Schnierstein, N., Shupe, M. D., Smith, C., Spreen, G., Verneuil, B., Vinjamuri, K. S., Vountas, M., and Wendisch, M. (2023): Constraints on simulated past Arctic amplification and lapse rate feedback from observations. //Atmos. Chem. Phys. //, https://doi.org/10.5194/acp-23-9963-2023 ===== 2022 ===== Geerts, B., Giangrande, S. E., McFarquhar, G. M., Xue, L., Abel, S. J., Comstock, J. M., Crewell, S., DeMott, P. J., Ebell, K., Field, P., Hill, T. C. J., Hunzinger, A., Jensen, M. P., Johnson, K. L., Juliano, T. W., Kollias, P., Kosovic, B., Lackner, C., Luke, E., Lüpkes, C., Matthews, A. A., Neggers, R., Ovchinnikov, M., Powers, H., Shupe, M. D., Spengler, T., Swanson, B. E., Tjernström, M., Theisen, A. K., Wales, N. A., Wang, Y., Wendisch, M., & Wu, P. (2022). The COMBLE campaign: a study of marine boundary-layer clouds in Arctic cold-air outbreaks, //Bulletin of the American Meteorological Society// https://doi.org/10.1175/BAMS-D-21-0044.1 Griewank, P., T. Heus and R. A. J. Neggers, 2022: Size-dependence of surface-rooted three-dimensional convective objects in continental shallow cumulus fields. //JAMES// https://doi.org/10.1029/2021MS002612 Neggers, R. A. J. and P. J. Griewank: A decentralized approach for modeling organized convection based on thermal populations on microgrids. //JAMES//, https://doi.org/10.1029/2022MS003042. Wendisch, M., Brückner, M., Crewell, S., Ehrlich, A., Notholt, J., Lüpkes, C., Macke, A., Burrows, J. P., Rinke, A., Quaas, J., Maturilli, M., Schemann, V., Shupe, M. D., Akansu, E. F., Barrientos-Velasco, C., Bärfuss, K., Blechschmidt, A.-M., Block, K., Bougoudis, I., Bozem, H., Böckmann, C., Bracher, A., Bresson, H., Bretschneider, L., Buschmann, M., Chechin, D. G., Chylik, J., Dahlke, S., Deneke, H., Dethloff, K., Donth, T., Dorn, W., Dupuy, R., Ebell, K., Egerer, U., Engelmann, R., Eppers, O., Gerdes, R., Gierens, R., Gorodetskaya, I. V., Gottschalk, M., Griesche, H., Gryanik, V. M., Handorf, D., Harm-Altstädter, B., Hartmann, J., Hartmann, M., Heinold, B., Herber, A., Herrmann, H., Heygster, G., Höschel, I., Hofmann, Z., Hölemann, J., Hünerbein, A., Jafariserajehlou, S., Jäkel, E., Jacobi, C., Janout, M., Jansen, F., Jourdan, O., Jurányi, Z., Kalesse-Los, H., Kanzow, T., Käthner, R., Kliesch, L. L., Klingebiel, M., Knudsen, E. M., Kovács, T., Körtke, W., Krampe, D., Kretzschmar, J., Kreyling, D., Kulla, B., Kunkel, D., Lampert, A., Lauer, M., Lelli, L., von Lerber, A., Linke, O., Löhnert, U., Lonardi, M., Losa, S. N., Losch, M., Maahn, M., Mech, M., Mei, L., Mertes, S., Metzner, E., Mewes, D., Michaelis, J., Mioche, G., Moser, M., Nakoudi, K., Neggers, R., Neuber, R., Nomokonova, T., Oelker, J., Papakonstantinou-Presvelou, I., Pätzold, F., Pefanis, V., Pohl, C., van Pinxteren, M., Radovan, A., Rhein, M., Rex, M., Richter, A., Risse, N., Ritter, C., Rostosky, P., Rozanov, V. V., Ruiz Donoso, E., Saavedra-Garfias, P., Salzmann, M., Schacht, J., Schäfer, M., Schneider, J., Schnierstein, N., Seifert, P., Seo, S., Siebert, H., Soppa, M. A., Spreen, G., Stachlewska, I. S., Stapf, J., Stratmann, F., Tegen, I., Viceto, C., Voigt, C., Vountas, M., Walbröl, A., Walter, M., Wehner, B., Wex, H., Willmes, S., Zanatta, M., & Zeppenfeld, S., 2022: Atmospheric and Surface Processes, and Feedback Mechanisms Determining Arctic Amplification: A Review of First Results and Prospects of the (AC)3 Project, Bulletin of the American Meteorological Society, https://doi.org/10.1175/BAMS-D-21-0218.1 ===== 2021 ===== Egerer, U., A. Ehrlich, M. Gottschalk, R. A. J. Neggers, H. Siebert, and M. Wendisch, 2021: Case study of a humidity layer above Arctic stratocumulus using balloon-borne turbulence and radiation measurements and large eddy simulations. ACP, https://doi.org/10.5194/acp-2020-584 Neggers, R. A. J. and P. J. Griewank, 2021: A binomial stochastic framework for efficiently modeling discrete statistics of convective populations. //JAMES//, https://doi.org/10.1029/2020MS002229 Tang et al., 2022: Long-Term Single-Column Model Intercomparison on the Diurnal Cycle of Precipitation Over Midlatitude and Tropical Land. //Quarterly Journal of the Royal Meteorological Society//, https://doi.org/10.1002/qj.4222 Wendisch, M., D. Handorf, I. Tegen, R. A. J. Neggers, and G. Spreen, 2021: Glimpsing the ins and outs of the Arctic atmospheric cauldron, Eos, 102, https://doi.org/10.1029/2021EO155959. Published on 16 March 2021. ===== 2020 ===== De Roode, S. R., and R. A. J. Neggers, 2020: Theoretical and conceptual Models. Chapter 5 in Clouds and Climate: Climate Science's Greatest Challenge, Siebesma, A., Bony, S., Jakob, C., & Stevens, B. (Eds.). Cambridge University Press, https://doi.org/10.1017/9781107447738 Griewank, Philipp J., Thijs Heus, Neil P. Lareau and Roel A. J. Neggers, 2020: Size-dependence in chord characteristics from simulated and observed continental shallow cumulus. ACP, https://doi.org/10.5194/acp-20-10211-2020 Honnert. R., G. A. Efstathiou, R. J. Beare, J. Ito, A. Lock, R. A. J. Neggers, R. S. Plant, H. H. Shin, L. Tomassini and B. Zhou, 2020: The Atmospheric Boundary Layer and the "Gray Zone" of Turbulence: A critical review. JGR-Atmospheres, https://doi.org/10.1029/2019JD030317 Neggers, Roel (2020): LES results to accompany measurements at the POLARSTERN Research Vessel during the PASCAL field campaign on 6 June 2017. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.919945 Neggers, Roel (2020): LES results to accompany measurements at the POLARSTERN Research Vessel during the PASCAL field campaign on 7 June 2017. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.919946 Schemann, V. and Ebell, K., 2020: Simulation of mixed-phase clouds with the ICON large-eddy model in the complex Arctic environment around Ny-Ålesund. //Atmos. Chem. Phys.//, 20, 475–485, https://doi.org/10.5194/acp-20-475-2020 Schemann, Vera, Kerstin Ebell, Bernhard Pospichal, Roel Neggers, Christopher Moseley, and Bjorn Stevens, 2020: Linking Large-Eddy Simulations to local cloud observations. JAMES, https://doi.org/10.1029/2020MS002209 ===== 2019 ===== De Roode, Stephan R. and Frederikse, Thomas and Siebesma, A. Pier and Ackerman, Andrew S. and Chylik, Jan and Field, Paul R. and Fricke, Jens and Gryschka, Micha and Hill, Adrian and Honnert, Rachel and Krueger, Steve K. and Lac, Christine and Lesage, Andrew T. and Tomassini, Lorenzo, 2019: Turbulent transport in the Grey Zone: A large-eddy simulation model intercomparison study of the CONSTRAIN cold air outbreak case. //J. Adv. Mod. Earth Syst.//, https://doi.org/10.1029/2018MS001443 Neggers, R. A. J., P. J. Griewank and T. Heus, 2019: Powerlaw scaling in the internal variability of cumulus cloud size distributions due to subsampling and spatial organization. //J. Atmos. Sci.//, https://doi.org/10.1175/JAS-D-18-0194.1 Neggers, R. A. J., J. Chylik, U. Egerer, H. Griesche, V. Schemann, P. Seifert, H. Siebert and A. Macke, 2019: Local and remote controls on Arctic mixed-layer evolution. //J. Adv. Mod. Earth Syst.//, https://doi.org/10.1029/2019MS001671. Reilly, S., S. dal Gesso and R. A. J. Neggers, 2019: Configuring LES in sparsely sampled areas in the subtropical Atlantic. //J. Applied Meteor. and Clim.//, https://doi.org/10.1175/JAMC-D-19-0013.1 Van Laar, T., V. Schemann and R. A. J. Neggers, 2019: Investigating the diurnal evolution of the cloud size distribution of continental cumulus convection using multi-day LES. //J. Atmos. Sci.//, https://doi.org/10.1175/JAS-D-18-0084.1 ===== 2018 ===== Brast, M., V. Schemann, and R. A. J. Neggers, 2018: Investigating the scale adaptivity of a size-filtered mass flux parameterization in the gray zone of shallow cumulus convection. //J. Atmos. Sci.//, 75, 1195–1214, https://doi.org/10.1175/JAS-D-17-0231.1 Dal Gesso, S. and R. A. J. Neggers, 2018: Can we use single‐column models for understanding the boundary layer cloud‐climate feedback? //J. Adv. Mod. Earth Syst.//, **10**, 245–261. https://doi.org/10.1002/2017MS001113 Griewank, P. J., V. Schemann and R. A. J. Neggers, 2018: Evaluating and improving a PDF cloud scheme using high-resolution super-large-domain simulations. //J. Adv. Mod. Earth Syst.//, 2018. https://doi.org/10.1029/2018MS001421 Marke, T., Crewell, S., Schemann, V., Schween, J. H., & Tuononen, M. 2018, Long-Term Observations and High Resolution Modeling of Mid-Latitude Nocturnal Boundary-Layer Processes Connected to Low-Level-Jets, //J Appl Meteor Climatol//, 57, 1155, https://doi.org/10.1175/JAMC-D-17-0341.1 Pithan, F., G. Svensson, R. Caballero, D. Chechin, T. Cronin, A. Ekman, R. A. J. Neggers, M. Shupe, A. Solomon, M. Tjernström, and Manfred Wendisch, 2018: Role of air-mass transformations in exchange between the Arctic and mid-latitudes. //Nature Geosciences//, **11**, 805-812, https://doi.org/10.1038/s41561-018-0234-1 ===== 2017 ===== Neggers, R. A. J., A. S. Ackerman, W. M. Angevine, E. Bazile, I. Beau, P. N. Blossey, I. A. Boutle, C. de Bruijn, A. Cheng, J. van der Dussen, J. Fletcher, S. Dal Gesso, A. Jam, H. Kawai, S. Kumar, V. E. Larson, M.-P. Lefebvre, A. P. Lock, N. R. Meyer, S. R. de Roode, W. de Rooy, I. Sandu, H. Xiao and K.-M. Xu, 2017: Single-column model simulations of subtropical marine boundary-layer cloud transitions under weakening inversions. //J. Adv. Model. Earth Syst.//, https://doi.org/10.1002/2017MS001064. Schemann, V. and Seifert, A., 2017: A Budget Analysis of the Variances of Temperature and Moisture in Precipitating Shallow Cumulus Convection. //Boundary-Layer Meteorol.//, https://doi.org/10.1007/s10546-016-0230-1 ===== 2016 ===== Brast, M., R. A. J. Neggers, and T. Heus (2016), What determines the fate of rising parcels in a heterogeneous environment?, //J. Adv. Model. Earth Syst.//, 8, 1674–1690, https://doi.org/10.1002/2016MS000750. Heinze, R., Dipankar, A., Henken, C. C., Moseley, C., Sourdeval, O., Trömel, S., Xie, X., Adamidis, P., Ament, F., Baars, H., Barthlott, C., Behrendt, A., Blahak, U., Bley, S., Brdar, S., Brueck, M., Crewell, S., Deneke, H., Di Girolamo, P., Evaristo, R., Fischer, J., Frank, C., Friederichs, P., Göcke, T., Gorges, K., Hande, L., Hanke, M., Hansen, A., Hege, H.-C., Hoose, C., Jahns, T., Kalthoff, N., Klocke, D., Kneifel, S., Knippertz, P., Kuhn, A., van Laar, T., Macke, A., Maurer, V., Mayer, B., Meyer, C. I., Muppa, S. K., Neggers, R. A. J., Orlandi, E., Pantillon, F., Pospichal, B., Röber, N., Scheck, L., Seifert, A., Seifert, P., Senf, F., Siligam, P., Simmer, C., Steinke, S., Stevens, B., Wapler, K., Weniger, M., Wulfmeyer, V., Zängl, G., Zhang, D. and Quaas, J. (2017), Large-eddy simulations over Germany using ICON: a comprehensive evaluation. //Q.J.R. Meteorol. Soc.//, 143: 69–100. https://doi.org/10.1002/qj.2947 Ahlgrimm, M., Forbes, R. M., Morcrette, J.-J. and R. A. J. Neggers, 2016: ARM’s Impact on Numerical Weather Prediction at ECMWF. //Meteorological Monographs//, 57, 28.1–28.13. https://doi.org/10.1175/AMSMONOGRAPHS-D-15-0032.1 ===== 2015 ===== Corbetta, G., E. Orlandi, T. Heus, R. Neggers and S. Crewell, 2015: Overlap statistics of shallow boundary layer clouds: Comparing ground-based observations with large-eddy simulations. //Geophys. Res. Letters//, 7pp, https://doi.org/10.1002/2015GL065140 Neggers, R. A. J., 2015: Attributing the behavior of low-level clouds in large-scale models to sub-grid scale parameterizations. //J. Adv. Model. Earth Syst.//, 7, https://doi.org/10.1002/2015MS000503 Neggers, R. A. J., 2015: Exploring bin-macrophysics models for moist convective transport and clouds. //J. Adv. Model. Earth Syst.//, 7, https://doi.org/10.1002/2015MS000502 Wiese, M., P. Griewank and Dirk Notz : On the thermodynamics of melting sea ice versus melting freshwater ice, Annals of Glaciology 2015, http://dx.doi.org/ 10.3189/2015AoG69A874 Griewank, P. and Dirk Notz : A 1-D modelling study of Arctic sea-ice salinity, The Cryosphere 2015, http://dx.doi.org/10.5194/tc-9-305-2015 ===== 2014 ===== Nam, C. C. W., J. Quaas, R. Neggers, C. Siegenthaler‐Le Drian, and F. Isotta (2014), Evaluation of boundary layer cloud parameterizations in the ECHAM5 general circulation model using CALIPSO and CloudSat satellite data, //J. Adv. Model. Earth Syst.//, 6, 300–314, http://dx.doi.org/10.1002/2013MS000277 ===== 2013 ===== Neggers, R. A. J., and A. P. Siebesma, 2013: Constraining a system of interacting parameterizations through multiple-parameter evaluation: Tracing a compensating error between cloud vertical structure and cloud overlap. //J. Climate//, 26, p6698-6715, https://doi.org/10.1175/JCLI-D-12-00779.1 Song, H., W. Lin, Y. Lin, A. B. Wolf, R. A. J. Neggers, L. Donner, A. Del Genio, and Y. Liu, 2013: Evaluation of precipitation simulated by seven SCMs against the ARM observations at the SGP site. //J. Climate//, 26, p5467-5492, https://doi.org/10.1175/JCLI-D-12-00263.1 Van der Dussen, J.J., S.R. de Roode, A.S. Ackerman, P.N. Blossey, C.S. Bretherton, M.J. Kurowski, A.P. Lock, R.A.J. Neggers, I. Sandu, and A.P. Siebesma, 2013: The GASS/EUCLIPSE model intercomparison of the stratocumulus transition as observed during ASTEX: LES results. //J. Adv. Model. Earth Syst.//, 5, p483-499, https://doi.org/10.1002/10.1002/jame.20033. Minghua Zhang, Christopher S. Bretherton, Peter N. Blossey, Phillip H. Austin, Julio T. Bacmeister, Sandrine Bony, Florent Brient, Suvarchal K. Cheedela, Anning Cheng, Anthony D. Del Genio, Stephan R. De Roode, Satoshi Endo, Charmaine N. Franklin, Jean-Christophe Golaz, Cecile Hannay, Thijs Heus, Francesco Alessandro Isotta, Jean-Louis Dufresne, In-Sik Kang, Hideaki Kawai, Martin Köhler, Vincent E. Larson, Yangang Liu, Adrian P. Lock, Ulrike Lohmann, Marat F. Khairoutdinov, Andrea M. Molod, Roel A. J. Neggers, Philip Rasch, Irina Sandu, Ryan Senkbeil, A. Pier Siebesma, Colombe Siegenthaler-Le Drian, Bjorn Stevens, Max J. Suarez, Kuan-Man Xu, Knut von Salzen, Mark J. Webb, Audrey Wolf and Ming Zhao, 2013: CGILS: Results from the First Phase of an International Project to Understand the Physical Mechanisms of Low Cloud Feedbacks in Single Column Models. //J. Adv. Model. Earth Syst.//, 26, p826-842, https://doi.org/10.1002/2013MS000246 Griewank, P. and Dirk Notz : Insights into brine dynamics and sea ice desalina- tion from a 1-D model study of gravity drainage, Journal of Geophysical Research Oceans 2013, http://dx.doi.org/10.1002/jgrc.20247 ===== 2012 ===== Neggers, R. A. J., A. P. Siebesma and T. Heus, 2012: Continuous single-column model evaluation at a permanent meteorological supersite. //Bull. Amer. Meteor. Soc.//, 93, p1389-1400, https://doi.org/10.1175/BAMS-D-11-00162.1