Dynamical and Thermodynamical Influences of the Maritime Continent on ENSO Evolution Scientific Reports
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资源简介：
En Nino-Southern Oscillation (ENSO) exerts tremendous influences on the global climate. Through dynamic lifting and thermal forcing, the Maritime Continent (MC) plays an important role in affecting global atmospheric circulation. In spite of the extensive studies on ENSO mechanisms, the influence of MC on the characteristics of ENSO life cycle remains unclear. Our coupled model experiments reveal that the absence of the MC land contributes to a strong ENSO asymmetry and a weakened nonlinear atmospheric response to the combined seasonal and interannual SST variations (i.e. the combination mode) that prolongs the warm events, resulting in a reduction of ENSO frequency. On the other hand, our experiments suggest that the global climate model applied (NCAR CESM) overestimates the MC topographic uplifting effect on ENSO simulation. Overall, this study provides a new physical insight into the nature of the MC influence on ENSO evolution. 2018 Grant no. NA14OAR4310160 PMC6193933 OAR (Oceanic and Atmospheric Research) CPO (Climate Program Office) PMC https://doi.org/10.1038/s41598-018-33436-5 CC BY 1954
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NOAA
创建时间：
2021-10-26
