Atmospheric boundary-layer processes, turbulence and land-atmosphere interactions
Including S. Zilitinkevich Memorial Award Lecture
Including Tromp Foundation Travel Award Lecture
Including Tromp Foundation Travel Award Lecture
Convener:
Gert-Jan Steeneveld
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Co-conveners:
Omar Elguernaoui,
Nikki Vercauteren,
Carlos Román-Cascón
Although significant advances have been achieved during the last decades, an appropriate comprehension of ABL processes and their interactions under different conditions is still a challenge in meteorology. Improving this knowledge will help to correctly represent ABL processes in weather and climate models, allowing to provide more accurate numerical weather prediction (NWP) forecasts and climate scenarios.
This session welcomes conceptual, observational and modeling research related to the physical processes that appear in the ABL, including those devoted to study the interactions with the free atmosphere. Current contributions evaluating existing models and schemes are also welcome, as well as the presentation of new implementation in numerical modelling.
The following topics are especially encouraged to be submitted to the session:
• Theoretical and experimental studies of the turbulence-closure problem with emphasis on very stable stratification and convection, accounting for interactions between the mean flow, turbulence, internal waves and large-scale self-organized structures.
• Boundary-layer clouds (including fog) and marine, cloud-topped boundary layers: physics and parameterization within NWP and climate models and observational studies.
• Orographic effects: form drag, wave drag and flow blocking, gravity waves.
• Challenges on the surface energy balance and flux aggregation in atmospheric boundary layers over heterogeneous terrain.
• Representation of boundary layers and land-surface interaction in atmospheric models.
• Organization of deep convection across differing atmospheric scales.
• Large-eddy simulation and direct numerical simulation of turbulent flows.
• PBL and surface-layer studies using long-term data (climatology), detailed analysis of case studies and field campaigns presentation.
Introducing Aijun Ding as the 2024 Zilitinkevich awardee by Markku Kulmala
16:00–16:30
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EMS2024-473
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solicited
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S. Zilitinkevich Memorial Award Lecture
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Onsite presentation
16:30–16:45
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EMS2024-207
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Onsite presentation
16:45–17:00
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EMS2024-78
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Onsite presentation
17:00–17:15
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EMS2024-371
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Onsite presentation
Scaling the vertical-velocity variance in the convective boundary layer forced by rapidly decaying surface heat flux after equilibrium breakdown
(withdrawn)
09:00–09:30
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EMS2024-589
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solicited
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Onsite presentation
09:30–09:45
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EMS2024-127
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Onsite presentation
09:45–10:00
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EMS2024-345
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Onsite presentation
10:00–10:15
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EMS2024-1015
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Onsite presentation
10:15–10:30
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EMS2024-300
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Onsite presentation
Coffee break
Chairpersons: Nikki Vercauteren, Carlos Román-Cascón, Gert-Jan Steeneveld
11:00–11:15
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EMS2024-369
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Onsite presentation
11:15–11:30
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EMS2024-124
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Onsite presentation
11:30–11:45
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EMS2024-909
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Onsite presentation
11:45–12:00
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EMS2024-241
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Onsite presentation
12:00–12:15
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EMS2024-450
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Onsite presentation
12:15–12:30
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EMS2024-170
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Onsite presentation
12:30–12:45
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EMS2024-901
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Onsite presentation
12:45–13:00
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EMS2024-548
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Onsite presentation
Lunch break
Chairpersons: Nikki Vercauteren, Omar Elguernaoui, Gert-Jan Steeneveld
14:00–14:15
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EMS2024-445
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Onsite presentation
14:15–14:30
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EMS2024-621
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Onsite presentation
14:30–14:45
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EMS2024-660
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Onsite presentation
14:45–15:00
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EMS2024-230
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Onsite presentation
15:00–15:15
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EMS2024-992
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Onsite presentation
Coffee break
Chairpersons: Gert-Jan Steeneveld, Omar Elguernaoui, Nikki Vercauteren
16:00–16:15
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EMS2024-427
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Onsite presentation
16:15–16:30
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EMS2024-677
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Tromp Foundation Travel Award Lecture
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Onsite presentation
16:30–16:45
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EMS2024-842
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Onsite presentation
16:45–17:00
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EMS2024-561
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Onsite presentation
17:00–17:15
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EMS2024-398
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Onsite presentation
VB15
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EMS2024-111
Direct observational evidence of amplified nitrate formation by the coupled chemical–boundary layer interactions in a Northern China valley
(withdrawn)
VB25
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EMS2024-482
A study of ABL processes that increase the uncertainty in temperature forecasting
(withdrawn after no-show)