The role of moisture-convection feedbacks in simulating the intraseasonal oscillation
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The sensitivity of the intraseasonal oscillation (ISO) in the National Center for Atmospheric Research's (NCAR) Community Atmosphere Model (CAM) version 3.1 with Relaxed Arakawa-Schubert (RAS) convection modified with the moisture trigger of Tokioka et al. (1988) is analyzed with respect to changes to the specified minimum entrainment rate. Implementation of the Tokioka moisture trigger results in a drier and cooler troposphere due to the suppression of deep convection. A higher minimum entrainment threshold leads to more suppressed deep convection and improves the sensitivity of convection to ...