Confronting the challenge of modeling cloud and precipitation microphysics

H Morrison, M van Lier‐Walqui… - Journal of advances …, 2020 - Wiley Online Library
In the atmosphere, microphysics refers to the microscale processes that affect cloud and
precipitation particles and is a key linkage among the various components of Earth's …

An underestimated negative cloud feedback from cloud lifetime changes

J Mülmenstädt, M Salzmann, JE Kay… - Nature Climate …, 2021 - nature.com
As the atmosphere warms, part of the cloud population shifts from ice and mixed-phase
('cold') to liquid ('warm') clouds. Because warm clouds are more reflective and longer-lived …

Physics–dynamics coupling in weather, climate, and Earth system models: Challenges and recent progress

M Gross, H Wan, PJ Rasch, PM Caldwell… - Monthly Weather …, 2018 - journals.ametsoc.org
Numerical weather, climate, or Earth system models involve the coupling of components. At
a broad level, these components can be classified as the resolved fluid dynamics …

[HTML][HTML] Empirical values and assumptions in the convection schemes of numerical models

A Villalba-Pradas, FJ Tapiador - Geoscientific Model …, 2022 - gmd.copernicus.org
Convection influences climate and weather events over a wide range of spatial and
temporal scales. Therefore, accurate predictions of the time and location of convection and …

Dependence of strategic solar climate intervention on background scenario and model physics

JT Fasullo, JH Richter - Atmospheric Chemistry and Physics, 2023 - acp.copernicus.org
Abstract Model dependence in simulated responses to stratospheric aerosol injection (SAI)
is a major uncertainty surrounding the potential implementation of this solar climate …

Reducing the aerosol forcing uncertainty using observational constraints on warm rain processes

J Mülmenstädt, C Nam, M Salzmann, J Kretzschmar… - Science …, 2020 - science.org
Global climate models (GCMs) disagree with other lines of evidence on the rapid
adjustments of cloud cover and liquid water path to anthropogenic aerosols. Attempts to use …

100 years of earth system model development

DA Randall, CM Bitz, G Danabasoglu… - Meteorological …, 2019 - journals.ametsoc.org
Today's global Earth system models began as simple regional models of tropospheric
weather systems. Over the past century, the physical realism of the models has steadily …

The path to CAM6: Coupled simulations with CAM5. 4 and CAM5. 5

PA Bogenschutz, A Gettelman… - Geoscientific Model …, 2018 - gmd.copernicus.org
This paper documents coupled simulations of two developmental versions of the Community
Atmosphere Model (CAM) towards CAM6. The configuration called CAM5. 4 introduces new …

Better calibration of cloud parameterizations and subgrid effects increases the fidelity of E3SM Atmosphere Model version 1

PL Ma, BE Harrop, VE Larson, R Neale… - Geoscientific Model …, 2021 - gmd.copernicus.org
Realistic simulation of the Earth's mean-state climate remains a major challenge, and yet it is
crucial for predicting the climate system in transition. Deficiencies in models' process …

Long‐term single‐column model intercomparison of diurnal cycle of precipitation over midlatitude and tropical land

S Tang, S **e, Z Guo, SY Hong… - Quarterly Journal of …, 2022 - Wiley Online Library
Abstract General Circulation Models (GCMs) have for decades exhibited difficulties in
modelling the diurnal cycle of precipitation (DCP). This issue can be related to inappropriate …