Funktion
apl. Prof. Dr. Siegfried Raasch
apl. Prof. Dr. Siegfried Raasch
Telefon
Fax
E-Mail
Adresse
Herrenhäuser Straße 2
30419 Hannover
30419 Hannover
Gebäude
Raum
apl. Prof. Dr. Siegfried Raasch
Professorinnen und Professoren
AG Grenzschichtmeteorologie
Publikationsliste
Journale
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(2024): Urban vertical air pollution gradient and dynamics investigated with low-cost sensors and large-eddy simulations, Atmos. Env., 316, 120126
DOI: 10.1016/j.atmosenv.2023.120162 -
(2024): Saltation-Induced Dust Emission of Dust Devils in the Convective Boundary Layer—An LES Study on the Meter Scale, J. Geophys. Res. Atmos., 129(7), e2023JD040058
DOI: 10.1029/2023JD040058 -
(2023): How Do Dust Devil-Like Vortices Depend on Model Resolution? A Grid Convergence Study Using Large-Eddy Simulation, Bound.-Layer Meteorol., 187, 703-742
DOI: 10.1007/s10546-023-00792-3 -
(2023): Turbulent heat exchange over polar leads revisited: A large eddy simulation study, Journal of Geophysical Research: Atmosphere
DOI: 10.1029/2022JD038236
ISSN: 2169-897X -
(2022): Scan strategies for wind profiling with Doppler lidar – an large-eddy simulation (LES)-based evaluation, Atmos. Meas. Tech., 15, 2839–2856
DOI: 10.5194/amt-15-2839-2022 -
(2022): Atmospheric flow simulation strategies to assess turbulent wind conditions for safe drone operations in urban environments, J. Wind Eng. Ind. Aerodyn., 229, 105136
DOI: 10.1016/j.jweia.2022.105136 -
(2021): A nested multi-scale system implemented in the Large-Eddy simulation model PALM model system 6.0, Geosci. Model Dev., 14, 3185–3214
DOI: 10.5194/gmd-14-3185-2021 -
(2021): Development of an atmospheric chemistry model coupled to the PALM model system 6.0: Implementation and first applications, Geosci. Model Dev., 14, 1171–1193
DOI: 10.5194/gmd-14-1171-2021 -
(2021): Evaluation of the dynamic core of the PALM model system 6.0 in a neutrally stratified urban environment: comparison between LES and wind-tunnel experiments, Geosci. Model Dev., 14, 3317–3333
DOI: 10.5194/gmd-14-3317-2021 -
(2021): Evolution and Features of Dust Devil-Like Vortices in Turbulent Rayleigh-Bénard Convection—A Numerical Study Using Direct Numerical Simulation, J. Geophys. Res. Atmos., 126(7), e2020JD034334
DOI: 10.1029/2020JD034334 -
(2020): Mesoscale nesting interface of the PALM model system 6.0, Geosci. Model Dev., 14, 5435–5465
DOI: 10.5194/gmd-14-5435-2021 -
(2020): Modelling a simple mechanism for the formation of phytoplankton thin layers using large-eddy simulation: in situ growth, Mar Ecol Prog Ser., 653,77-90
DOI: 10.3354/meps13471 -
(2020): Overview of the PALM model system 6.0, Geosci. Model Dev., 13, 1335-1372
DOI: 10.5194/gmd-13-1335-2020 -
(2020): An improved surface boundary condition for large eddy simulations based on Monin-Obukhov similarity theory: Evaluation and consequences for grid convergence in neutral and stable conditions, Boundary-Layer Meteorol., 174, 297-325
DOI: 10.1007/s10546-019-00485-w -
(2020): Increase mixing and turbulence in the wake of offshore wind farm foundations, J. Geophys. Res.: Oceans, 125
DOI: 10.1029/2019JC015858 -
(2019): Large-eddy simulation of catchment-scale circulation, Q. J. R. Meteorol. Soc., 145, 1218-1233
DOI: 10.1002/qj.3491 -
(2019): Vertically nested LES for high-resolution simulation of the surface layer in PALM (version 5.0), Geosci. Model Dev., 12, 2523-2538
DOI: 10.5194/gmd-12-2523-2019 -
(2019): Development of a new urban climate model based on the model PALM - Project overview, planned work, and first achievements , Met. Z., 28, 105-119
DOI: 10.1127/metz/2019/0909 -
(2019): Urban Climate Under Change [UC]² - A National Research Programme for Developing a Buildung-Resolving Atmospheric Model for Entire City Regions, Met. Zeit., Nr. 2, 28(2), 95-104
DOI: 10.1127/metz/2019/0913 -
(2018): Evaluation of satellite-derived building height extraction by CFD simulations: A case study of neighborhood-scale ventilation in Hong Kong, Landscape and Urban Planning, 170, 90-102
DOI: 10.1016/j.landurbplan.2017.11.008 -
(2018): A Cloud Microphysics Parameterization for Shallow Cumulus Clouds Based on Lagrangian Cloud Model Simulations, J. Atmos. Sci., 75(11), 4031-4047
DOI: 10.1175/JAS-D-18-0080.1 -
(2018): Local convection and turbulence in the Amazonia using large eddy simulation model, Atmosphere, 9, 399
DOI: 10.3390/atmos9100399 -
(2018): Porting the MPI-parallelized LES model PALM to multi-GPU systems and many integrated core processors - an experience report, Int. J. Computational Science and Engineering, 17(3), 297–309
DOI: 10.1504/IJCSE.2018.095850 -
(2018): Ventilation and air quality in city blocks using large-eddy simulation - Urban planning perspective, Atmosphere, 9, 65
DOI: 10.3390/atmos9020065 -
(2018): A New Research Approach for Observing and Characterizing Land-Atmosphere Feedback, Bull. Amer. Meteor. Soc., 99, 1639-1667
DOI: 10.1175/BAMS-D-17-0009.1 -
(2018): Improving collisional growth in Lagrangian cloud models: development and verification of a new splitting algorithm, Geosci. Model Dev.,11, 3929-3944
DOI: 10.5194/gmd-11-3929-2018 -
(2017): Do shallow cumulus clouds have the potential to trigger secondary circulations via shading?, Boundary-Layer Meteorol., 162(1), 143-169
DOI: 10.1007/s10546-016-0180-7 -
(2017): Large-eddy simulations of ventilation for thermal comfort — A parametric study of generic urban configurations with perpendicular approaching winds, Urban climate, 20, 202-227
DOI: 10.1016/j.uclim.2017.04.007 -
(2017): Evaluation of large-eddy simulations forced with mesoscale model output for a multi-week period during a measurement campaign, Atmos. Chem. Phys., 17, 7083-7109
DOI: 10.5194/acp-17-7083-2017 -
(2017): Enhanced scalar concentrations and fluxes in the lee of forest patches: a large-eddy simulation study, Boundary-Layer Meteorol., 164, 1–17
DOI: 10.1007/s10546-017-0239-0 -
(2017): The route to raindrop formation in a shallow cumulus cloud simulated by a Lagrangian cloud model, J. Atmos. Sci., 74, 2125-2142
DOI: 10.1175/JAS-D-16-0220.1 -
(2017): Effects of unstable stratification on ventilation in Hong Kong, Atmosphere, 8 (9), 168
DOI: 10.3390/atmos8090168 -
(2016): Large-eddy simulations of dust devils and convective vortices, Space Sci. Rev.
DOI: 10.1007/s11214-016-0284-x -
(2016): Improvement and development of one- and two-dimensional discrete gust models using a large-eddy simulation model, Journal of Wind Engineering and Industrial Aerodynamics, 153, 46–59
DOI: 10.1016/j.jweia.2016.03.004 -
(2016): Analysis of pressure-strain and pressure gradient-scalar covariances in cloud-topped boundary layers: A large-eddy simulation study, J. Adv. Model. Earth Syst., 8, 3-30
DOI: 10.1002/2015MS000508 -
(2015): Thermal Large Eddy Simulation with sensible heat flux distribution from various 3d building geometries, Journal of Japan Society of Civil Engineers, Ser.B1(Hydraulic Engineering), Vol.71,No.4,I_433-I_438
DOI: 10.2208/jscejhe.71.I_433 -
(2015): Second-moment budgets in cloud-topped boundary layers: A large-eddy simulation study, J. Adv. Model. Earth Syst., 07
DOI: 10.1002/2014MS000376 -
(2015): Spatial variability of scalar concentrations and fluxes downstream of a clearing-to-forest transition: A large-eddy simulation study, Boundary-Layer Meteorol., 155, 1-27
DOI: 10.1007/s10546-014-9986-3 -
(2015): Footprint evaluation for flux and concentration measurements for an urban-like canopy with coupled Lagrangian stochastic and large-eddy simulation models, Boundary-Layer Meteorol., 157, 191-217
DOI: 10.1007/s10546-015-0062-4 -
(2015): Entrainment of aerosols and their activation in a shallow cumulus cloud studied with a coupled LCM-LES approach, Atmos. Res., 156, 43-57.
DOI: 10.1016/j.atmosres.2014.12.008 -
(2015): Influence of turbulence on the drop growth in warm clouds, Part II: Sensitivity studies with a spectral bin microphysics and a Lagrangian cloud model, Meteorol. Z., 24, 293-311
DOI: 10.1127/metz/2015/0608 -
(2015): Comparison of two different methods that provide highly resolved atmospheric turbulence data for simulations of stall effects, Computers and Fluids, 108, 57–66
DOI: doi:10.1016/j.compfluid.2014.11.005 -
(2015): The Parallelized Large-Eddy Simulation Model (PALM) version 4.0 for Atmospheric and Oceanic Flows: Model Formulation, Recent Developments, and Future Perspectives, Geosci. Model Dev., 8, 2515-2551
DOI: 10.5194/gmd-8-2515-2015 -
(2015): Assessment of surface layer coherent structure detection in dual-doppler lidar data based on virtual measurements, Boundary-Layer Meteorol., 156, 371-393
DOI: 10.1007/s10546-015-0039-3 -
(2014): On the Impact of Forced Roll Convection on Vertical Turbulent Transport in Cold-air Outbreaks, J. Geophys. Res., 119, 12,513-12,532
DOI: 10.1002/2014JD022160 -
(2014): Entrainment and mixing at the interface of shallow cumulus clouds: Results from a combination of observations and simulations, Meteorol. Z., 23, 349-368
DOI: 10.1127/0941-2948/2014/0597 -
(2014): What determines the differences found in forest edge flow between physical models and atmospheric measurements? -- An LES study, Meteorol. Z., 23(1), 33-49
DOI: 10.1127/0941-2948/2014/0542 -
(2014): On the effect of surface heat-flux heterogeneities on the mixed-layer top entrainment., Boundary-Layer Meteorol., 151, 531-556
DOI: 10.1007/s10546-014-9913-7 -
(2014): Investigation of Droplet Dynamics in a Convective Cloud Using a Lagrangian Cloud Model, Meteorology and Atmospheric Physics
DOI: 10.1007/s00703-014-0311-y -
(2014): The effect of surface heterogeneity on the structure parameters of temperature and humidity - An LES case study for the LITFASS-2003 experiment, Boundary-Layer Meteorol., 153, 441–470
DOI: 10.1007/s10546-014-9955-x -
(2013): Large-Eddy Simulations of Surface Heterogeneity Effects on the Convective Boundary Layer During the LITFASS-2003 Experiment, Boundary-Layer Meteorol., 148, 309-331
DOI: 10.1007/s10546-012-9748-z -
(2013): Scopes and Challenges of Dual-Doppler Lidar Wind Measurements — An Error Analysis, J. Atmos. Oceanic Technol., 30, 2044–2062
DOI: 10.1175/JTECH-D-12-00244.1 -
(2013): Derivation of structure parameters of temperature and humidity in the convective boundary layer from large-eddy simulations and implications for the interpretation of scintillometer observations, Boundary-Layer Meteorology, 148, 1-30
DOI: 10.1007/s10546-013-9801-6 -
(2013): A New Aerodynamic Parameterization for Real Urban Surfaces, Boundary-Layer Meteorol., 148, 357-377
DOI: 10.1007/s10546-013-9818-x -
(2013): Heterogeneity-induced heat flux patterns in the convective boundary layer: Can they be detected from observations and is there a blending height? - A large-eddy simulation study for the LITFASS-2003 experiment, Boundary-Layer Meteorol., 148, 309-331
DOI: 10.1007/s10546-013-9822-1 -
(2012): LES case study on pedestrian level ventilation in two neighbourhoods in Hong Kong., Meteorol. Z., 21, 575-589, associated movie publication
DOI: 10.1127/0941-2948/2012/0356 -
(2012): Towards a validation of scintillometer measurements: The LITFASS-2009 experiment., Boundary-Layer Meteorol., 144, 83-112
DOI: 10.1007/s10546-012-9715-8 -
(2012): The structure of Karman vortex streets in the atmospheric boundary layer derived from large eddy simulation., Meteorol. Z., 21, 221-237
DOI: 10.1127/0941-2948/2012/0313 -
(2012): A new method for large-eddy simulations of clouds with Lagrangian droplets including the effects of turbulent collision., New J. Phys., 14, 065008
DOI: 10.1088/1367-2630/14/6/065008 -
(2012): A large-eddy simulation study of thermal effects on turbulent flow and dispersion in and above a street canyon., J. Appl. Meteor. Climatol., 51, 829-841
DOI: 10.1175/JAMC-D-11-0180.1 -
(2012): Mesoscale modelling of the arctic atmospheric boundary layer and its interaction with sea ice, P. Lemke and H.-W. Jacobi: Arctic climate change. The ACSYS decade and beyond. Atmospheric and Oceanographic Sciences Library, Vol. 43, Springer,
DOI: 10.1007/978-94-007-2027-5 -
(2011): Influence of Langmuir Circulation on the Deepening of the Wind-Mixed Layer, J. Phys. Oceanogr., 41, 472-484
DOI: 10.1175/2010JPO4494.1 -
(2011): Numerical experiments on turbulent flow within and above urban canopies with different building aspect ratio (in Japanese)., Annual J. Hydraulic Eng., JSCE, 55, S331-S336.
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(2011): Structure and formation of dust devil-like vortices in the atmospheric boundary layer: A high-resolution numerical study., J. Geophys. Res.
DOI: 10.1029/2011JD016010 -
(2010): Energy balance closure for the LITFASS-2003 experiment, Theor. Appl. Clim., 101, 149-160
DOI: 10.1007/s00704-009-0216-8 -
(2010): Examination of the mixed layer deepening process during convection using LES, J. Phys. Oceanogr., 40, 2189-2195
DOI: 10.1175/2010JPO4277.1 -
(2010): A numerical case study on footprint model performance under inhomogeneous flow conditions, Meteorol. Z., 19, 539-547
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(2009): Formation of a diurnal thermocline in the ocean mixed layer simulated by LES, J. Phys. Oceanogr., 39, 1244-1257
DOI: 10.1175/2008JPO4032.1 -
(2009): Comparison of conventional Lagrangian stochastic footprint models against LES driven footprint estimates, Atmos. Chem. Phys., 9, 5575-5586
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(2008): Modeling convection over arctic leads with LES and a non-eddy-resolving microscale model, J. Geophys. Res., 113, C09028
DOI: 10.1029/2007JC004099 -
(2008): Turbulent flow around high-rise office buildings in downtown Tokyo, Dynamic Visualization in Science, No. 13100, originally published under the URL http://www.dyvis.org/DyVis?Sig=13100 (dead Link) or Youtube https://www.youtube.com/watch?v=SlfxemIZq2o
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(2008): Footprints in homogeneously and heterogeneously driven boundary layers derived from a Lagrangian stochastic particle model embedded into large-eddy simulation, Boundary-Layer Meteorol., 129, 225-248
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(2008): High resolution urban large-eddy simulation studies from street canyon to neighbourhood scale, Atmos. Env., 42, 8770-8784
DOI: 10.1016/j.atmosenv.2008.08.001 -
(2008): On the influence of sea-ice inhomogeneities onto roll convection in cold-air outbreaks, Geophys. Res. Lett., 35, L23804
DOI: 10.1029/2008GL035845 -
(2007): Spatial representativeness of single tower measurements and the imbalance problem with EC fluxes - results of an LES study, Boundary-Layer Meteorol., 123, 77-98
DOI: 10.1007/s10546-006-9133-x -
(2006): Large-eddy simulation of particle settling in the ocean mixed layer, Phys. of Fluids, 18, 085109
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(2006): An intercomparison of large-eddy simulations of the stable boundary layer, Boundary-Layer Meteorol., 118, 247-272
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(2006): Evaporation over a heterogeneous land surface: The EVA-GRIPS project, Bull. Amer. Meteor., Soc., 87, 775-786
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(2006): Impact of surface heterogeneity on energy imbalance: A study using LES, J. Meteor. Soc. Japan, 84, 187-198
DOI: 10.2151/jmsj.84.187 -
(2006): A refinement of the Millionshchikov quasi-normality hypothesis for convective boundary layer turbulence, J. Atmos. Sci., 62, 2632-2638
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(2005): Roll convection during a cold air outbreak: A large-eddy simulation with stationary model domain, Geophys. Res. Lett., 32, L14805
DOI: 10.1029/2005GL022872 -
(2005): The impact of the surface heterogeneity on the energy imbalance problem using LES (in Japanese), Annual J. Hydraulic Eng., JSCE, 49, 343-348
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(2005): STINHO - Structure of turbulent transport under inhomogeneous surface conditions - part 1: The micro-a scale field experiment, Meteorol. Z., 14, 315-327
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(2005): New results on the cell broadening problem during cold air outbreaks from high resolution large-eddy simulations, J. Atmos. Sci., 62, 2023-2032
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(2004): LES study of the energy imbalance problem with eddy covariance fluxes, Boundary-Layer Meteorol., 110, 381-404
DOI: 10.1023/B:BOUN.0000007225.45548.7a -
(2004): Interaction between wind and temperature fields under the heterogeneous heat flux in the planetary boundary layer, Boundary-Layer Meteorol., 111, 225-246
DOI: 10.1023/B:BOUN.0000016471.75325.75 -
(2004): Large-eddy simulation of the ocean mixed layer: The effects of wave breaking and Langmuir circulation, J. Phys. Oceanogr., 34, 720-735
DOI: 10.1175/1520-0485(2004)034<0720:LESOTO>2.0.CO;2 -
(2004): Comparison of large-eddy simulation data with spatially averaged measurements obtained by acoustic tomography - presuppositions and first results, Boundary-Layer Meteorol., 111, 441-465
DOI: 10.1023/B:BOUN.0000016501.92974.a5 -
(2003): LES study of the energy imbalance problem for heterogeneous surface (in Japanese), Annual J. Hydraulic Eng., JSCE, 47, 37-42
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(2003): Large-eddy simulation of thermally induced oscillations in the convective boundary layer, J. Atmos. Sci., 60, 2328-2341
DOI: 10.1175/1520-0469(2003)060<2328:LESOTI>2.0.CO;2 -
(2003): Improvement of the K-profile model for the planetary boundary layer based on large-eddy simulation data, Boundary-Layer Meteorol., 107, 401-427
DOI: 10.1023/A:1022146015946 -
(2003): The role of preconditioning in the evolution of open-ocean deep convection, J. Phys. Oceanogr., 33, 1145-1166 (selected among "Papers of note" in the Bull. Amer. Meteor. Soc., 84, 574-575, in May 2003)
DOI: 10.1175/1520-0485(2003)033<1145:TROPIT>2.0.CO;2 -
(2002): Investigation on spatial representativeness of point measurements - implication for imbalance problem (in Japanese), Annual J. Hydraulic Eng., JSCE, 46, 97-102 (awarded the Best Paper Price of the 46th "Suiko" Conference (Water Civil Engineering) in Nagoya, Japan, by the Japan Society of Civil Engineers on 12 March 2002)
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(2002): LES study on the energy imbalance problem with eddy covariance fluxes. I. Analysis for convective boundary layers (in Japanese), J. Japan Soc. Hydro. Water Res., 15, 243-252
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(2002): Large-eddy simulation of thermally induced oscillations in the convective boundary layer, Annual J. Hydraulic Eng., JSCE, 46, 67-72
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(2001): Using streaming and parallelization techniques for 3D visualization in a high-performance computing and networking environment, Lecture Notes in Computer Science, 2110, 231-240
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(2001): An analysis of secondary circulations and their effects caused by small-scale surface inhomogeneities using large-eddy simulation, Boundary-Layer Meteorol., 101, 31-59
DOI: 10.1023/A:1019297504109 -
(2001): PALM - A large-eddy simulation model performing on massively parallel computers, Meteorol. Z., 10, 363-372
DOI: 10.1127/0941-2948/2001/0010-0363 -
(2001): High resolution simulations of the turbulent flow in the vicinity of an arctic lead, J. Geophys. Res., 106 C11, 27035-27046
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(2000): Simulated airborne flux measurements in a LES generated convective boundary layer, Boundary-Layer Meteorol., 95, 437-456
DOI: 10.1023/A:1002649322001 -
(1998): Modeling deep ocean convection: Large-eddy simulation in comparison with laboratory experiments, J. Phys. Oceanogr., 28, 1786-1802
DOI: 10.1175/1520-0485(1998)028<1786:MDOCLE>2.0.CO;2 -
(1997): Roll vortices and boundary-layer development during a cold air outbreak, Boundary-Layer Meteorol., 84, 45-65
DOI: 10.1023/A:1000392931768