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Diagnosis of Optimal Perturbation Evolution in the Eady Model
Publisher: American Meteorological Society
Abstract: The structure and evolution of Eady model singular vector (SV, also referred to as optimal perturbation) streamfunction perturbations are described using a combination of two different partitions of the vector subspace ...
Climate Simulations with an Isentropic Finite-Volume Dynamical Core
Publisher: American Meteorological Society
Abstract: his paper discusses the impact of changing the vertical coordinate from a hybrid pressure to a hybrid-isentropic coordinate within the finite-volume (FV) dynamical core of the Community Atmosphere Model (CAM). Results from ...
Transient Mountain Waves and Their Interaction with Large Scales
Publisher: American Meteorological Society
Abstract: The impact of transient mountain waves on a large-scale flow is examined through idealized numerical simulations of the passage of a time-evolving synoptic-scale jet over an isolated 3D mountain. Both the global momentum ...
Mountain-Wave Momentum Flux in an Evolving Synoptic-Scale Flow
Publisher: American Meteorological Society
Abstract: The evolution of mountain-wave-induced momentum flux is examined through idealized numerical simulations during the passage of a time-evolving synoptic-scale flow over an isolated 3D mountain of height h. The dynamically ...
Contributions of the Liquid and Ice Phases to Global Surface Precipitation: Observations and Global Climate Modeling
Publisher: American Meteorological Society
Abstract: This study is the first to reach a global view of the precipitation process partitioning, using a combination of satellite and global climate modeling data. The pathways investigated are 1) precipitating ice (ice/snow/graupel) ...