The simulations show that the Gregory parameterized scheme, which is still used in the United Kingdom Meteorological Office(UKMO) routine model, simulates more reasonable rainfall area amount and distribution compared to the Kuo type scheme. 结果表明,Gregory质量通量方案能给出较Kuo型方案更加合理的降水落区,并且对降水量的预报也有显著的改进。