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View article: Training Warm‐Rain Bulk Microphysics Schemes Using Super‐Droplet Simulations
Training Warm‐Rain Bulk Microphysics Schemes Using Super‐Droplet Simulations Open
Cloud microphysics is a critical aspect of the Earth's climate system, which involves processes at the nano‐ and micrometer scales of droplets and ice particles. In climate modeling, cloud microphysics is commonly represented by bulk model…
View article: Training warm-rain bulk microphysics schemes using super-droplet simulations
Training warm-rain bulk microphysics schemes using super-droplet simulations Open
Cloud microphysics is a critical aspect of the Earth's climate system, which involves processes at the nano- and micrometer scales of droplets and ice particles. In climate modeling, cloud microphysics is commonly represented by bulk model…
View article: Super-droplet simulations of a 1D rain shaft model
Super-droplet simulations of a 1D rain shaft model Open
Super-droplet simulations of a one-dimensional rain shaft model, generated by using the Python-based code PySDM v2.15. The updraft speed and the temperature profile are prescribed, as described in "Shipway, B. J., & Hill, A. A. (2012). Dia…
View article: Super-droplet simulations of a 1D rain shaft model
Super-droplet simulations of a 1D rain shaft model Open
Super-droplet simulations of a one-dimensional rain shaft generated by using the Python-based code PySDM v2.15. The updraft speed and the temperature profile are prescribed, as described in "Shipway, B. J., & Hill, A. A. (2012). Diagnosis …
View article: Super-droplet simulations of a 1D rain shaft model
Super-droplet simulations of a 1D rain shaft model Open
Super-droplet simulations of a one-dimensional rain shaft model, generated by using the Python-based code PySDM v2.15. The updraft speed and the temperature profile are prescribed, as described in "Shipway, B. J., & Hill, A. A. (2012). Dia…
View article: Department of Energy’s Atmospheric System Research (ASR) Program’s Workshop on the Future of Atmospheric Large Eddy Simulation (LES) (Workshop Report)
Department of Energy’s Atmospheric System Research (ASR) Program’s Workshop on the Future of Atmospheric Large Eddy Simulation (LES) (Workshop Report) Open
Large-eddy simulation (LES) is used as a tool to understand physical processes such as turbulence, aerosols, clouds, precipitation, radiation, the interactions among all these, and their interactions with the underlying surface. Over the n…
View article: Department of Energy’s Atmospheric System Research (ASR) Program’s Workshop on the Future of Atmospheric Large Eddy Simulation (LES): Workshop Report
Department of Energy’s Atmospheric System Research (ASR) Program’s Workshop on the Future of Atmospheric Large Eddy Simulation (LES): Workshop Report Open
Large-eddy simulation (LES) is used as a tool to understand physical processes such as turbulence, aerosols, clouds, precipitation, radiation, the interactions among all these, and their interactions with the underlying surface. Over the n…
View article: Breakups are complicated: an efficient representation of collisional breakup in the superdroplet method
Breakups are complicated: an efficient representation of collisional breakup in the superdroplet method Open
A key constraint of particle-based methods for modeling cloud microphysics is the conservation of total particle number, which is required for computational tractability. The process of collisional breakup poses a particular challenge to t…
View article: New developments in PySDM and PySDM-examples v2:collisional breakup, immersion freezing, dry aerosol initialization, andadaptive time-stepping
New developments in PySDM and PySDM-examples v2:collisional breakup, immersion freezing, dry aerosol initialization, andadaptive time-stepping Open
de Jong et al., (2023). New developments in PySDM and PySDM-examples v2: collisional breakup, immersion freezing, dry aerosol initialization, and adaptive time-stepping. Journal of Open Source Software, 8(84), 4968, https://doi.org/10.2110…
View article: Comment on egusphere-2022-1243
Comment on egusphere-2022-1243 Open
Abstract. A key constraint of particle-based methods for modeling cloud microphysics is the conservation of total particle number, which is required for computational tractability. The process of collisional breakup poses a particular chal…
View article: super-droplets make breakups easier
super-droplets make breakups easier Open
Abstract. A key constraint of particle-based methods for modeling cloud microphysics is the conservation of total particle number, which is required for computational tractability. The process of collisional breakup poses a particular chal…
View article: Breakups are Complicated: An Efficient Representation of Collisional Breakup in the Superdroplet Method
Breakups are Complicated: An Efficient Representation of Collisional Breakup in the Superdroplet Method Open
A key constraint of particle-based methods for modeling cloud microphysics is the conservation of total particle number, which is required for computational tractability. The process of collisional breakup poses a particular challenge to t…
View article: An Efficient Bayesian Approach to Learning Droplet Collision Kernels: Proof of Concept Using “Cloudy,” a New <i>n</i>‐Moment Bulk Microphysics Scheme
An Efficient Bayesian Approach to Learning Droplet Collision Kernels: Proof of Concept Using “Cloudy,” a New <i>n</i>‐Moment Bulk Microphysics Scheme Open
The small‐scale microphysical processes governing the formation of precipitation particles cannot be resolved explicitly by cloud resolving and climate models. Instead, they are represented by microphysics schemes that are based on a combi…
View article: PySDM v1: particle-based cloud modeling package forwarm-rain microphysics and aqueous chemistry
PySDM v1: particle-based cloud modeling package forwarm-rain microphysics and aqueous chemistry Open
Bartman et al., (2022). PySDM v1: particle-based cloud modeling package for warm-rain microphysics and aqueous chemistry. Journal of Open Source Software, 7(72), 3219, https://doi.org/10.21105/joss.03219
View article: A Library of Large‐Eddy Simulations Forced by Global Climate Models
A Library of Large‐Eddy Simulations Forced by Global Climate Models Open
Advances in high‐performance computing have enabled large‐eddy simulations (LES) of turbulence, convection, and clouds. However, their potential to improve parameterizations in global climate models (GCMs) is only beginning to be harnessed…
View article: An efficient Bayesian approach to learning droplet collision kernels: Proof of concept using "Cloudy", a new n-moment bulk microphysics scheme
An efficient Bayesian approach to learning droplet collision kernels: Proof of concept using "Cloudy", a new n-moment bulk microphysics scheme Open
The small-scale microphysical processes governing the formation of precipitation particles cannot be resolved explicitly by cloud resolving and climate models. Instead, they are represented by microphysics schemes that are based on a combi…
View article: A Library of Large-eddy Simulations for Calibrating Cloud Parameterizations
A Library of Large-eddy Simulations for Calibrating Cloud Parameterizations Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Advances in Modeling Earth Systems (JAMES). ESSOAr is a venue for early communication or feedback before peer review. Data ma…
View article: An Improved Perturbation Pressure Closure for Eddy-Diffusivity Mass-Flux Schemes
An Improved Perturbation Pressure Closure for Eddy-Diffusivity Mass-Flux Schemes Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Advances in Modeling Earth Systems (JAMES). ESSOAr is a venue for early communication or feedback before peer review. Data ma…
View article: PySDM v1: particle-based cloud modelling package for warm-rain microphysics and aqueous chemistry
PySDM v1: particle-based cloud modelling package for warm-rain microphysics and aqueous chemistry Open
PySDM is an open-source Python package for simulating the dynamics of particles undergoing condensational and collisional growth, interacting with a fluid flow and subject to chemical composition changes. It is intended to serve as a build…
View article: An Improved Perturbation Pressure Closure for Eddy-Diffusivity Mass-Flux Schemes
An Improved Perturbation Pressure Closure for Eddy-Diffusivity Mass-Flux Schemes Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Journal of Advances in Modeling Earth Systems (JAMES). ESSOAr is a venue for early communication or feedback before peer review. Data ma…
View article: A Generalized Mixing Length Closure for Eddy‐Diffusivity Mass‐Flux Schemes of Turbulence and Convection
A Generalized Mixing Length Closure for Eddy‐Diffusivity Mass‐Flux Schemes of Turbulence and Convection Open
Because of their limited spatial resolution, numerical weather prediction and climate models have to rely on parameterizations to represent atmospheric turbulence and convection. Historically, largely independent approaches have been used …
View article: Unified Entrainment and Detrainment Closures for Extended Eddy‐Diffusivity Mass‐Flux Schemes
Unified Entrainment and Detrainment Closures for Extended Eddy‐Diffusivity Mass‐Flux Schemes Open
We demonstrate that an extended eddy‐diffusivity mass‐flux (EDMF) scheme can be used as a unified parameterization of subgrid‐scale turbulence and convection across a range of dynamical regimes, from dry convective boundary layers, through…
View article: libcloudph++ 2.0: aqueous-phase chemistry extension of the particle-based cloud microphysics scheme
libcloudph++ 2.0: aqueous-phase chemistry extension of the particle-based cloud microphysics scheme Open
This paper introduces a new scheme available in the library of algorithms for representing cloud microphysics in numerical models named libcloudph++. The scheme extends the particle-based microphysics scheme with a Monte Carlo coalescence …
View article: libcloudph++ 1.1: aqueous phase chemistry extension of theLagrangian cloud microphysics scheme
libcloudph++ 1.1: aqueous phase chemistry extension of theLagrangian cloud microphysics scheme Open
This paper introduces a new scheme available in the library of algorithms for representing cloud microphysics in numerical models named libcloudph++. The scheme extends the Lagrangian microphysics scheme available in libcloudph++ to the aq…