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Poster TitleProposed Improvements to Momentum Transport Processes in E3SM
AuthorsJadwiga (Yaga) Richter (Unlicensed), Mitch Moncrieff, Shaocheng Xie, Changhai Liu, Julio Bacmeister (Unlicensed), Phil Rasch (pnl.gov)
First AuthorJadwiga (Yaga) Richter (Unlicensed)
Session TypeE3SM Session
Session IDE3
Submission TypePresentation
GroupAtmosphere
Experiment
Poster Link




Abstract

Transport of momentum throughout the atmosphere in large part controls the global circulation, and hence moisture and precipitation patterns. However, several momentum transport processes occur on scales much smaller than a global circulation model (GCM) grid box, and hence have to be parameterized. Improvements in the representation of subgrid momentum transport can lead to significant model improvements in the representation of wind stresses, moisture and precipitation patterns, and organized modes of variability. This project aims to improve the representation of subgrid momentum transport within convection and from orographic and convectively generated gravity waves, in order to improve existing biases in the representation of precipitation and surface stresses in the Energy Exascale Earth System Model (E3SM).

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