模态 | 时间系数变化斜率 | 干湿场分布类型 | 年份 |
1 | −0.0334 | 全区变湿 | 1959, 1961, 1962, 1965, 1966, 1968, 1970, 1971, 1973, 1974, 1983, 1985, 1990, 1991, 1993, 1997, 1999, 2000, 2001 |
全区变干 | 1958, 1960, 1963, 1969, 1979, 1987, 2003, 2005, 2006, 2009, 2010, 2011, 2012, 2013, 2014, 2018, 2019 | ||
2 | −0.012 | 东南变湿,西北变干 | 1964, 1972, 1976, 1981, 1982, 2015 |
东南变干,西北变湿 | 1977, 1980, 1984, 1988, 1989, 1992, 1995, 1996, 1998, 2002, 2004, 2007, 2016 | ||
3 | 0.0162 | 东北变湿,西南变干 | 1978, 1986, 1994, 2008, 2017 |
东北变干,西南变湿 | 1967, 1975 |