High-Resolution Simulation of Mean Convection and Its Intraseasonal Variability over the Tropics in the MRI/JMA 20-km Mesh AGCM
作者： K. Rajendran , A. Kitoh , R. Mizuta , S. Sajani , T. Nakazawa
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摘要: Abstract Tropical mean convection and its organization on different spatiotemporal scales in a simulation using the Meteorological Research Institute/Japan Agency (MRI/JMA) global atmospheric general circulation model (AGCM) at 20-km resolution (TL959L60) has been investigated. Comparison with two lower simulations of 120 km (TL159L40) 180 (TL95L40) shows that convection, climatological fields, moist stability over Indian Ocean South Pacific convergence zone are better represented TL959L60 than simulations. However, simulated three-dimensional structure Walker Hadley cells, vertical convective heating, do not show marked improvement relative to The amplitude phase speed convectively coupled equatorial waves that, although Kelvin waves, observed hierarchical cloud clusters associated Madden–Julian oscillation (MJO) th...
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