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DTSTART;TZID=Europe/Stockholm:20230626T163000
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UID:submissions.pasc-conference.org_PASC23_sess159@linklings.com
SUMMARY:MS2C - Modern Approaches to Modeling Atmospheric Aerosols and Clou
 ds
DESCRIPTION:Minisymposium\n\nAtmospheric aerosols and clouds present sever
 al scientific, mathematical, and computational challenges in the developme
 nt of large-scale earth system models. Aerosols and clouds are inherently 
 multiscale, as they characterize the effects of submicron-scale particles 
 on observed local, regional, and global phenomena. While the understanding
  of aerosols and clouds and their atmospherically relevant mixed-phase phy
 sicochemical processes has recently grown dramatically, it has become clea
 r that related software packages must be extended or replaced. Software de
 sign for these sophisticated models has an ever greater impact on stabilit
 y, extensibility to new science, and user experience. Meanwhile, exascale 
 computing platforms offer more simulation capability but do not alleviate 
 the curse of dimensionality. Given the high stakes of understanding our ch
 anging climate, we must rigorously answer the question of whether our mode
 ls are "correct" and quantify our confidence in our answer. This symposium
  examines the challenges and implications inherent to two critical areas o
 f concern in aerosol science and cloud physics: (1) the computational stab
 ility, accuracy, and representation of complex aerosol and cloud represent
 ations in weather and climate models; (2) software development packages th
 at support robust, scalable, portable, and testable models.\n\nNovel Appro
 aches to Accelerate Chemistry for Climate Models\n\nThe increase in Earth 
 System Models (ESMs) capabilities is strongly linked to the amount of comp
 uting power and data storage capacity available. Exascale ESMs are expecte
 d to open up a new range of opportunities, from increasing model resolutio
 n and larger ensemble simulations to the integration of ...\n\n\nMario C. 
 Acosta, Christian Guzman, and Oriol Jorba (Barcelona Supercomputing Center
 )\n---------------------\nQuantifying Errors in Modeled Aerosol Effects on
  Climate from Numerical Approximations of Particle Distributions\n\nFor th
 e past two decades, atmospheric aerosol has been the largest source of int
 er-model variability in radiative forcing among climate simulations. Clima
 te-relevant aerosol properties depend critically on the distribution in si
 ze, shape, and chemical composition of particle populations that evolve ..
 .\n\n\nLaura Fierce (Pacific Northwest National Laboratory); Payton Beeler
  (Washington University in St. Louis); and Mahantesh Halappanavar, Marco M
 inutoli, Sai Munikoti, ManishKumar Shrivastava, and Alla Zelenyuk-Imre (Pa
 cific Northwest National Laboratory)\n---------------------\nDiscussion Se
 ssion\n\nThis session will be an open discussion of developments and futur
 e directions in modeling the multiphase system of aerosols, clouds, and ch
 emical processes in the atmosphere.\n\n\nMichael Schmidt (Sandia National 
 Laboratories), Kyle Shores (National Center of Atmospheric Research), and 
 Nicole Riemer (University of Illinois Urbana-Champaign)\n-----------------
 ----\nModern Software Development for Atmospheric Parameterizations and Su
 b-Grid Scale Models\n\nClouds, precipitation, aerosol and turbulence are m
 ajor sources of uncertainty for global Earth System Models (ESM). The rele
 vant length and time scales are smaller than what can be resolved by ESMs,
  making parameterizations essential. For some of the parameterized process
 es our scientific understan...\n\n\nAnna Jaruga, Charles Kawczynski, Nat E
 frat-Henrici, Dennis Yatunin, Sajjad Azimi, Costa Christopoulos, and Zhaoy
 i Shen (California Institute of Technology, CliMA) and Tapio Schneider (Ca
 lifornia Institute of Technology, NASA)\n\nDomain: Climate, Weather and Ea
 rth Sciences\n\nSession Chair: Michael Schmidt (Sandia National Laboratori
 es)
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