Cloud microphysical and precipitation responses to a large-scale forcing in the tropical deep convective regime

作者: X. Li

DOI: 10.1007/S00703-005-0172-5

关键词:

摘要: Cloud microphysical and precipitation responses to a large-scale forcing in the tropical deep convective regime are investigated based on hourly zonally-averaged, vertically-integrated simulation data from two-dimensional coupled ocean-cloud resolving atmosphere model. The model is forced by vertical velocity zonal wind observed derived TOGA COARE for 50-day period. accretion of cloud water graupel induces growth that enhances raindrops through its melting during weak-forcing period, whereas large deposition rate vapor associated with upper-tropospheric upward motion causes snow conversion ice enhancement strong-forcing local changes switch negative positive values as strengthens case, variations hydrometeors not sensitive strength case. Phase analysis indicates leads surface rain 1 hour. can be calculated conservation budget raindrops. source could have impacts calculation rate. determines case become important In raindrops, sum collection graupel, evaporation other rain-related processes

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