1. Huang, R. H., Xu, Y. H., Zhou, L. T., Interdecadal change of China summer rainfall and future trend of the drought climate in North China, Chinese Plateau Meteorology (in Chinese), 1999, 18: 465–476.
2. Zhang, Q. Y., Evolution of North China rainfall and water resources since 1880, Chinese Plateau Meteorology (in Chinese), 1999, 18: 487–495.
3. Buhechaolu, Analysis of the future situation of East Asian monsoon, Chinese Science Bulletin, 2003, 48: 737–742.
4. Menon, S., Hansen, J., Nazarenko, L. et al., Climate effects of black carbon aerosols in China and India, Science, 2002, 297: 2250–2253.
5. Gong, D. Y., Wang, S. W., Impact of ENSO on rainfall of global land and China, Chinese Science Bulletin, 1999, 44(9): 852–856.