arcticclouds
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arcticclouds [2021/09/27 09:19] – [Arctic clouds] fromatting chylik | arcticclouds [2023/07/12 17:53] – [Mixed-phase clouds in transforming air masses] updating paper chylik | ||
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====== Arctic clouds ====== | ====== Arctic clouds ====== | ||
- | {{ : | + | {{ : |
Arctic climate features an abundance of low-level clouds. It is well known from scientific studies in the past that these clouds can significantly affect the radiative energy budget of the atmosphere and at the surface(( Tsay, S. C., Stamnes, K. and K. Jayaweera (1989). //Radiative energy budget in the cloudy and hazy Arctic//. Journal of the atmospheric sciences, **46** (7), pp. 1002-1018. )). For these reasons it can be expected that low-level clouds could play an important role in the currently ongoing warming of the Arctic climate, a process also known as Arctic Amplification.(( Wendisch M., Yang, P., and Ehrlich, A. (2013). //Amplified climate changes in the Arctic: Role of clouds and | Arctic climate features an abundance of low-level clouds. It is well known from scientific studies in the past that these clouds can significantly affect the radiative energy budget of the atmosphere and at the surface(( Tsay, S. C., Stamnes, K. and K. Jayaweera (1989). //Radiative energy budget in the cloudy and hazy Arctic//. Journal of the atmospheric sciences, **46** (7), pp. 1002-1018. )). For these reasons it can be expected that low-level clouds could play an important role in the currently ongoing warming of the Arctic climate, a process also known as Arctic Amplification.(( Wendisch M., Yang, P., and Ehrlich, A. (2013). //Amplified climate changes in the Arctic: Role of clouds and | ||
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* Local and remote controls on Arctic mixed layer evolution [[https:// | * Local and remote controls on Arctic mixed layer evolution [[https:// | ||
* Investigating Arctic humidity inversions using balloon-borne measurements and large-eddy simulations [[https:// | * Investigating Arctic humidity inversions using balloon-borne measurements and large-eddy simulations [[https:// | ||
- | * Aerosol-cloud-turbulence interactions in well-coupled Arctic boundary layers over open water. Chylik et al., in preparation for ACPD, September 2021 | + | * Aerosol-cloud-turbulence interactions in well-coupled Arctic boundary layers over open water. |
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Various field campaigns have taken place near the Svalbard archipelago in the context of the ongoing (AC)< | Various field campaigns have taken place near the Svalbard archipelago in the context of the ongoing (AC)< | ||
- | More information about the (AC)< | + | More information about the (AC)< |
Related datasets and papers: | Related datasets and papers: | ||
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* LES results to accompany measurements at the POLARSTERN Research Vessel during the PASCAL field campaign on 7 June 2017 [[https:// | * LES results to accompany measurements at the POLARSTERN Research Vessel during the PASCAL field campaign on 7 June 2017 [[https:// | ||
* Glimpsing the ins and outs of the Arctic atmospheric cauldron [[https:// | * Glimpsing the ins and outs of the Arctic atmospheric cauldron [[https:// | ||
+ | * Case study of a humidity layer above Arctic stratocumulus using balloon-borne turbulence and radiation measurements and large eddy simulations [[https:// | ||
+ | * The COMBLE campaign: a study of marine boundary-layer clouds in Arctic cold-air outbreaks [[https:// | ||
===== Large Eddy Simulations ===== | ===== Large Eddy Simulations ===== | ||
==== Model codes ==== | ==== Model codes ==== | ||
- | At InScAPE the fine-scale simulations of Arctic clouds are performed with two models. The Dutch Atmospheric Large Eddy Simulation model (DALES) | + | At InScAPE the fine-scale simulations of Arctic clouds are performed with two models. The Dutch Atmospheric Large Eddy Simulation model ([[https:// |
(( Heus, T., Heerwaarden, | (( Heus, T., Heerwaarden, | ||
- | Simulation (DALES) and overview of its applications.// | + | Simulation (DALES) and overview of its applications.// |
- | The DALES and ICON models are described in more detail [[models|here]]. | + | The DALES and ICON models are described in more detail |
==== Mixed-Phase Microphysics in LES ==== | ==== Mixed-Phase Microphysics in LES ==== | ||
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* CCN and INP concentration can differ with altitude, not just a constant | * CCN and INP concentration can differ with altitude, not just a constant | ||
* latent heat of freezing included in the heat budget | * latent heat of freezing included in the heat budget | ||
- | * initial conditions and large-scale forcings derived from large-scale models following the method used in parameterization testbeds (( 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, DOI: | + | * initial conditions and large-scale forcings derived from large-scale models following the method used in [[testbed|parameterization testbeds]] (( 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, DOI: |
The performance of this implementation has been tested on chosen semi-idealised cold-air outbreak cases. This includes the including M-PACE (( Solomon, A., Morrison, H., Persson, O., Shupe, M. D., and J. W. Bao (2009). // | The performance of this implementation has been tested on chosen semi-idealised cold-air outbreak cases. This includes the including M-PACE (( Solomon, A., Morrison, H., Persson, O., Shupe, M. D., and J. W. Bao (2009). // |
arcticclouds.txt · Last modified: 2024/01/26 19:20 by chylik