Adjoint Sensitivity Analyses on the Anomalous Circulation Features in East Asian Summer Monsoon
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Abstract
The concept of optimal sensitivity perturbation (OSP) is developed based on adjoint sensitivity analysis theory. The persistent anomalous features in East Asian summer monsoon system, including the Ural blocking, the Okhotsk Sea dipole blocking and the variations of subtropical high are analyzed and the OSP for each of them evaluated. The results provide us with some new insight into the most significant influential factors for these features. It also demon-strates the great potential for further applications of this method in diagnostics of atmospheric processes
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