图3 1967-2010年冬季青藏高原积雪与来年长江流域夏季区域极端降水指数关系图 数据来源:中国气象局国家气候中心和美国国家冰雪数据中心 Fig.3 The time series of observed regional summer extreme precipitation index and winter Tibet Plateau snow during the period of 1967-2010 Source: National Climate Centre NCC of China Meteorological Administration CMA and National Snow and Ice Data Center NSIDC, USA |