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RISConvection Parameterization, Tropical Pacific Double ITCZ, and Upper-Ocean Biases in the NCAR CCSM3. Part I: Climatology and Atmospheric Feedback
Publisher: American Meteorological Society
Abstract: The role of convection parameterization in the formation of double ITCZ and associated upper-ocean biases in the NCAR Community Climate System Model, version 3 (CCSM3) is investigated by comparing the simulations using the ...
Convection Parameterization, Tropical Pacific Double ITCZ, and Upper-Ocean Biases in the NCAR CCSM3. Part II: Coupled Feedback and the Role of Ocean Heat Transport
Publisher: American Meteorological Society
Abstract: This study investigates the coupled atmosphere?ocean feedback and the role of ocean dynamic heat transport in the formation of double ITCZ over the tropical Pacific in the NCAR Community Climate System Model, version 3 ...
Role of Climate Feedback in El Niño–Like SST Response to Global Warming
Publisher: American Meteorological Society
Abstract: nder global warming from the doubling of CO2, the equatorial Pacific experiences an El Niño?like warming, as simulated by most global climate models. A new climate feedback and response analysis method (CFRAM) is applied ...
Role of Equatorial Cold Tongue in Central Pacific Double-ITCZ Bias in the NCAR CESM1.2
Publisher: American Meteorological Society
Abstract: Warm SST bias underlying the spurious southern ITCZ has long been recognized as one of the main causes for double-ITCZ bias in coupled GCMs in the central Pacific. This study demonstrates that the NCAR CESM1.2 can still ...
Parameterization of Microphysical Processes in Convective Clouds in Global Climate Models
Publisher: American Meteorological Society
Abstract: he microphysical processes inside convective clouds play an important role in climate. They directly control the amount of detrainment of cloud hydrometeor and water vapor from updrafts. The detrained water substance in ...
Characterizing the Climate Feedback Pattern in the NCAR CCSM3-SOM Using Hourly Data
Publisher: American Meteorological Society
Abstract: he climate feedback?response analysis method (CFRAM) was applied to 10-yr hourly output of the NCAR Community Climate System Model, version 3, using the slab ocean model (CCSM3-SOM), to analyze the strength and spatial ...
Understanding the Effects of Convective Momentum Transport on Climate Simulations: The Role of Convective Heating
Publisher: American Meteorological Society
Abstract: A simplified general circulation model (GCM), consisting of a complete dynamical core, simple specified physics, and convective momentum transport (CMT) forcing, is used to understand the effects of CMT on climate simulations ...
Dynamical Effects of Convective Momentum Transports on Global Climate Simulations
Publisher: American Meteorological Society
Abstract: Dynamical effects of convective momentum transports (CMT) on global climate simulations are investigated using the NCAR Community Climate Model version 3 (CCM3). To isolate the dynamical effects of the CMT, an experimental ...
Coupling of Convective Momentum Transport with Convective Heating in Global Climate Simulations
Publisher: American Meteorological Society
Abstract: The effects of convective momentum transport (CMT) on global climate simulations are examined in this study. Comparison between two sets of 20-yr (1979?98) integration using the NCAR Community Climate Model version 3 (CCM3) ...
Evaluation of Microphysics Parameterization for Convective Clouds in the NCAR Community Atmosphere Model CAM5
Publisher: American Meteorological Society
Abstract: physically based two-moment microphysics parameterization scheme for convective clouds is implemented in the NCAR Community Atmosphere Model version 5 (CAM5) to improve the representation of convective clouds and their ...