Search Results - "Bogenschutz, Peter"

Higher-Order Turbulence Closure and Its Impact on Climate Simulations in the Community Atmosphere Model by Bogenschutz, Peter A., Gettelman, Andrew, Morrison, Hugh, Larson, Vincent E., Craig, Cheryl, Schanen, David P.

“…This paper describes climate simulations of the Community Atmosphere Model, version 5 (CAM5), coupled with a higher-order turbulence closure known as Cloud…”
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Resolving Away Stratocumulus Biases in Modern Global Climate Models by Lee, Hsiang‐He, Bogenschutz, Peter, Yamaguchi, Takanobu

“…Increased horizontal and vertical resolution in global atmospheric models can reduce a significant amount of the biases associated with subtropical marine…”
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A simplified PDF parameterization of subgrid‐scale clouds and turbulence for cloud‐resolving models by Bogenschutz, Peter A., Krueger, Steven K.

“…Over the past decade a new type of global climate model (GCM) has emerged, which is known as a multiscale modeling framework (MMF). Colorado State University's…”
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Understanding Cloud and Convective Characteristics in Version 1 of the E3SM Atmosphere Model by Xie, Shaocheng, Lin, Wuyin, Rasch, Philip J., Ma, Po‐Lun, Neale, Richard, Larson, Vincent E., Qian, Yun, Bogenschutz, Peter A., Caldwell, Peter, Cameron‐Smith, Philip, Golaz, Jean‐Christophe, Mahajan, Salil, Singh, Balwinder, Tang, Qi, Wang, Hailong, Yoon, Jin‐Ho, Zhang, Kai, Zhang, Yuying

“…This study provides comprehensive insight into the notable differences in clouds and precipitation simulated by the Energy Exascale Earth System Model…”
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The Energy Exascale Earth System Model Simulations With High Vertical Resolution in the Lower Troposphere by Bogenschutz, Peter A., Yamaguchi, Takanobu, Lee, Hsiang‐He

“…General circulation models (GCMs) are typically run with coarse vertical resolution. For example, the Energy Exascale Earth System Model (E3SM) has a vertical…”
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How Well Does the DOE Global Storm Resolving Model Simulate Clouds and Precipitation Over the Amazon? by Tian, Jingjing, Zhang, Yunyan, Klein, Stephen A., Terai, Christopher R., Caldwell, Peter M., Beydoun, Hassan, Bogenschutz, Peter, Ma, Hsi‐Yen, Donahue, Aaron S.

“…This study assesses a 40‐day 3.25‐km global simulation of the Simple Cloud‐Resolving E3SM Model (SCREAMv0) using high‐resolution ground‐based observations from…”
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Atmospheric-river-induced precipitation in California as simulated by the regionally refined Simple Convective Resolving E3SM Atmosphere Model (SCREAM) Version 0 by Bogenschutz, Peter A, Zhang, Jishi, Tang, Qi, Cameron-Smith, Philip

“…Using the regionally refined mesh (RRM) configuration of the US Department of Energy's Simple Cloud-Resolving Energy Exascale Earth System Model (E3SM)…”
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The Implementation of Framework for Improvement by Vertical Enhancement Into Energy Exascale Earth System Model by Lee, Hsiang‐He, Bogenschutz, Peter, Yamaguchi, Takanobu

“…The low cloud bias in global climate models (GCMs) remains an unsolved problem. Coarse vertical resolution in GCMs has been suggested to be a significant cause…”
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The path to CAM6: coupled simulations with CAM5.4 and CAM5.5 by Bogenschutz, Peter A, Gettelman, Andrew, Hannay, Cecile, Larson, Vincent E, Neale, Richard B, Craig, Cheryl, Chen, Chih-Chieh

“…This paper documents coupled simulations of two developmental versions of the Community Atmosphere Model (CAM) towards CAM6. The configuration called CAM5.4…”
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Parametric behaviors of CLUBB in simulations of low clouds in the Community Atmosphere Model (CAM) by Guo, Zhun, Wang, Minghuai, Qian, Yun, Larson, Vincent E., Ghan, Steven, Ovchinnikov, Mikhail, A. Bogenschutz, Peter, Gettelman, Andrew, Zhou, Tianjun

“…In this study, we investigate the sensitivity of simulated low clouds to 14 selected tunable parameters of Cloud Layers Unified By Binormals (CLUBB), a…”
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Combining regional mesh refinement with vertically enhanced physics to target marine stratocumulus biases as demonstrated in the Energy Exascale Earth System Model version 1 by Bogenschutz, Peter A, Lee, Hsiang-He, Tang, Qi, Yamaguchi, Takanobu

“…In this paper we develop a novel framework aimed to significantly reduce biases related to marine stratocumulus clouds in general circulation models (GCMs)…”
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Model Evaluation and Intercomparison of Marine Warm Low Cloud Fractions With Neural Network Ensembles by Chen, Yao‐Sheng, Yamaguchi, Takanobu, Bogenschutz, Peter A., Feingold, Graham

“…Low cloud fractions (LCFs) and meteorological factors (MFs) over an oceanic region containing multiple cloud regimes are examined for three data sets: one…”
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Bimodality in simulated precipitation frequency distributions and its relationship with convective parameterizations by Ahn, Min-Seop, Ullrich, Paul A., Lee, Jiwoo, Gleckler, Peter J., Ma, Hsi-Yen, Terai, Christopher R., Bogenschutz, Peter A., Ordonez, Ana C.

“…Bimodality in precipitation frequency distributions is often evident in atmospheric models, but rarely in observations. This study i) proposes a metric to…”
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Regional Assessments of Low Clouds against Large-Scale Stability in CAM5 and CAM-CLUBB Using MODIS and ERA-Interim Reanalysis Data by Kubar, Terence L., Stephens, Graeme L., Lebsock, Matthew, Larson, Vincent E., Bogenschutz, Peter A.

“…Daily gridded cloud data from MODIS and ERA-Interim reanalysis have been assessed to examine variations of low cloud fraction (CF) and cloud-top height and…”
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Better calibration of cloud parameterizations and subgrid effects increases the fidelity of the E3SM Atmosphere Model version 1 by Ma, Po-Lun, Harrop, Bryce E, Larson, Vincent E, Neale, Richard B, Gettelman, Andrew, Morrison, Hugh, Wang, Hailong, Zhang, Kai, Klein, Stephen A, Zelinka, Mark D, Zhang, Yuying, Qian, Yun, Yoon, Jin-Ho, Jones, Christopher R, Huang, Meng, Tai, Sheng-Lun, Singh, Balwinder, Bogenschutz, Peter A, Zheng, Xue, Lin, Wuyin, Quaas, Johannes, Chepfer, Hélène, Brunke, Michael A, Zeng, Xubin, Mülmenstädt, Johannes, Hagos, Samson, Zhang, Zhibo, Song, Hua, Liu, Xiaohong, Pritchard, Michael S, Wan, Hui, Wang, Jingyu, Tang, Qi, Caldwell, Peter M, Fan, Jiwen, Berg, Larry K, Fast, Jerome D, Taylor, Mark A, Golaz, Jean-Christophe, Xie, Shaocheng, Rasch, Philip J, Leung, L. Ruby

“…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…”
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The E3SM version 1 single-column model by Bogenschutz, Peter A, Tang, Shuaiqi, Caldwell, Peter M, Xie, Shaocheng, Lin, Wuyin, Chen, Yao-Sheng

“…The single-column model (SCM) functionality of the Energy Exascale Earth System Model version 1 (E3SMv1) is described in this paper. The E3SM SCM was adopted…”
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Large‐Eddy Simulation of Maritime Deep Tropical Convection by Khairoutdinov, Marat F., Krueger, Steve K., Moeng, Chin‐Hoh, Bogenschutz, Peter A., Randall, David A.

“…This study represents an attempt to apply Large‐Eddy Simulation (LES) resolution to simulate deep tropical convection in near equilibrium for 24 hours over an…”
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A sensitivity analysis of cloud properties to CLUBB parameters in the single‐column Community Atmosphere Model (SCAM5) by Guo, Zhun, Wang, Minghuai, Qian, Yun, Larson, Vincent E., Ghan, Steven, Ovchinnikov, Mikhail, Bogenschutz, Peter A., Zhao, Chun, Lin, Guang, Zhou, Tianjun

“…In this study, we investigate the sensitivity of simulated shallow cumulus and stratocumulus to selected tunable parameters of Cloud Layers Unified by…”
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Low‐Cloud Feedback in CAM5‐CLUBB: Physical Mechanisms and Parameter Sensitivity Analysis by Zhang, Haipeng, Wang, Minghuai, Guo, Zhun, Zhou, Chen, Zhou, Tianjun, Qian, Yun, Larson, Vincent E., Ghan, Steven, Ovchinnikov, Mikhail, Bogenschutz, Peter A., Gettelman, Andrew

“…The physical mechanism of low‐cloud feedbacks is examined by using perturbed‐parameter ensemble experiments in a unified scheme of boundary layer turbulence…”
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Assumed Probability Density Functions for Shallow and Deep Convection by Bogenschutz, Peter A., Krueger, Steven K., Khairoutdinov, Marat

“…The assumed joint probability density function (PDF) between vertical velocity and conserved temperature and total water scalars has been suggested to be a…”
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