Results 71 to 80 of about 30,389 (290)

Effects of different closures for thickness diffusivity [PDF]

, 2009
The effects of spatial variations of the thickness diffusivity (K) appropriate to the parameterisation of [Gent, P.R. and McWilliams, J.C., 1990. Isopycnal mixing in ocean circulation models. J. Phys.
Danabasoglu, G., Eden, Carsten, Jochum, M.   +2 more
core   +1 more source

Three Generations of NARCliM: Evaluation of Precipitation, Temperature and Their Extremes Over the CORDEX Australasia Domain

International Journal of Climatology, EarlyView.
The NSW and Australian Regional Climate Modelling Version 2.0 (NARCliM2.0) builds on NARCliM1.0 and 1.5 to deliver improved regional climate simulations. This study provides the first comprehensive evaluation of NARCliM2.0 against its predecessors, assessing individual model skill in reproducing mean and extreme climate.
Fei Ji, Moutassem El Rafei, Giovanni Di Virgilio, Jatin Kala, Jason P. Evans, Julia Andrys, Eugene Tam, Stephen White, Dipayan Choudhury, Rishav Goyal, Carlos Rocha, Yue Li, Matthew L. Riley   +12 more
wiley   +1 more source

Assessing CLUBB PDF Closure Assumptions for a Continental Shallow‐to‐Deep Convective Transition Case Over Multiple Spatial Scales

Journal of Advances in Modeling Earth Systems, 2020
Assumed‐PDF (probability density function) higher‐order turbulence closures (APHOCs) are now widely used for parameterizing boundary layer turbulence and shallow convection in Earth system models (ESMs). A better understanding of the resolution‐dependent
Meng Huang, Heng Xiao, Minghuai Wang, Jerome D. Fast   +3 more
doaj   +1 more source

How Well Do CMIP6 Models Simulate the Influence of the West African Westerly Jet on Sahel Precipitation?

International Journal of Climatology, EarlyView.
Climate models generally reproduce the WAWJ and August peak but simulate its onset prematurely and too strongly relative to ERA5. CMIP6 simulations struggle to reproduce the jet–precipitation relationship in the Sahel and underrepresent associated moisture transports.
Akintunde I. Makinde, Babatunde J. Abiodun, Rachel James, Richard Washington, Ellen Dyer, Tom Webb   +5 more
wiley   +1 more source

Turbulent Chemical Diffusion in Convectively Bounded Carbon Flames [PDF]

, 2016
It has been proposed that mixing induced by convective overshoot can disrupt the inward propagation of carbon deflagrations in super-asymptotic giant branch stars.
Bildsten, Lars, Brown, Benjamin P., Burns, Keaton J., Lecoanet, Daniel, Oishi, Jeffrey S., Quataert, Eliot, Schwab, Josiah, Timmes, F. X., Vasil, Geoffrey M.   +8 more
core   +2 more sources

Are West African Heat‐Lows Analogous to Dry Tropical Cyclones?

International Journal of Climatology, EarlyView.
Heat‐lows qualitatively resemble dry tropical cyclones (TCs), though their underlying physics has yet to be compared. In this study, we show that West African transient heat‐low climatology correlates well with TC potential intensity generalised over land.
Aaron Kruskie, Daniel Chavas, Matthew Huber   +2 more
wiley   +1 more source

Growth of Spread in Convection-Allowing and Convection-Parameterizing Ensembles

Weather and Forecasting, 2010
Abstract During the 2007 NOAA Hazardous Weather Testbed Spring Experiment, a 10-member 4-km grid-spacing Storm-Scale Ensemble Forecast (SSEF) system was run in real time to provide experimental severe weather forecasting guidance. Five SSEF system members used perturbed initial and lateral boundary conditions (ICs and LBCs) and mixed ...
Clark, Adam, Gallus, William, Xue, Ming, Kong, Fanyou   +3 more
openaire   +3 more sources

Linking Process‐Induced Degradation to Mechanical Property Deterioration in Flax Fiber–Reinforced Bio‐Polymer Matrix Composites

Polymer Composites, EarlyView.
Effect of processing‐induced thermal degradation on the mechanical performance of thermoplastic flax fiber composites. ABSTRACT The drawback of biobased polymer matrix composites (PMCs) is their limited temperature stability, resulting from degradation, which restricts their processability in established composite manufacturing processes requiring ...
Dimitrios Apostolidis, Prajwal Jayaraman, Clemens A. Dransfeld, Baris Kumru, Niklas Lorenz   +4 more
wiley   +1 more source

Impact of multiple radar reflectivity data assimilation on the numerical simulation of a flash flood event during the HyMeX campaign [PDF]

, 2017
An analysis to evaluate the impact of multiple radar reflectivity data with a three-dimensional variational (3-D-Var) assimilation system on a heavy precipitation event is presented. The main goal is to build a regionally tuned numerical prediction model
Baldini, Luca, Ferretti, Rossella, Gentile, Sabrina, Maiello, Ida, Paolo Alberoni, Pier, Picciotti, Errico, Roberto, Nicoletta, Silvio Marzano, Frank   +7 more
core   +3 more sources

Dynamics and model representation of two contrasting extreme precipitation events in the Sahel

Quarterly Journal of the Royal Meteorological Society, EarlyView.
Hovmöller diagrams of the two investigated extreme precipitation events in Mali are shown for (i) IMERG observations, and ICOsahedral Nonhydrostatic model (ICON) runs with parameterization of explicit convection (ii) enabled and (iii) disabled. This work highlights that the commonly perceived benefit of using explicit convection in a state‐of‐the‐art ...
Souleymane Sanogo, Marlon Maranan, Andreas H. Fink, Beth J. Woodhams, Peter Knippertz   +4 more
wiley   +1 more source