水资源二级区 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
金沙江石鼓以上 | 1.7 | −5.1 | 8.1 | −7.8 | −2.3 | 6.8 | 17.3 | 7.0 | −2.4 | 8.7 | −1.4 | 6.0 | −23.0 |
金沙江石鼓以下 | −3.3 | −1.3 | 1.7 | −13.5 | −2.9 | 7.0 | −13.7 | −8.2 | −26.2 | −2.3 | −0.1 | −5.2 | 0.0 |
岷沱江 | −6.3 | −5.3 | 8.2 | −18.6 | −10.4 | −7.3 | −11.1 | −3.4 | −7.2 | 5.7 | 5.6 | −5.2 | −12.2 |
嘉陵江 | 6.3 | −7.7 | 8.1 | −17.5 | 0.4 | −4.2 | −1.4 | 0.5 | 9.2 | 3.3 | 13.6 | −1.7 | −6.5 |
乌江 | −6.3 | −1.8 | −14.6 | −18.7 | 1.6 | 4.2 | −18.2 | −7.3 | −25.8 | −2.2 | −17.5 | 3.8 | −6.6 |
宜宾至宜昌 | −2.7 | −3.0 | −3.9 | −17.8 | 4.1 | 1.2 | −13.5 | −12.0 | −10.7 | −11.2 | −10.8 | 8.5 | −8.2 |
洞庭湖水系 | −9.5 | 3.1 | −8.2 | −0.1 | −11.4 | −2.9 | −14.0 | 10.6 | −27.1 | 13.8 | −5.8 | 4.2 | 10.9 |
汉江 | 18.2 | −1.1 | 9.6 | −15.1 | 2.9 | −2.0 | 3.0 | 13.2 | 10.9 | −11.8 | −12.2 | −2.5 | −5.1 |
鄱阳湖水系 | −20.1 | −12.8 | 0.5 | 2.2 | −21.0 | −6.2 | −15.0 | 27.7 | −20.0 | 33.0 | −10.7 | 2.2 | 27.3 |
宜昌至湖口 | 2.3 | −4.5 | −11.4 | −22.4 | −4.9 | 2.7 | −10.3 | 14.0 | −21.0 | −6.8 | −12.4 | −3.6 | 4.8 |
湖口以下干流 | 7.1 | −12.0 | −9.9 | −14.1 | −10.8 | −8.5 | 6.5 | 17.1 | −7.2 | 3.3 | −12.8 | 9.8 | 24.5 |
太湖水系 | −17.5 | −10.8 | −11.4 | −7.4 | −2.5 | 3.8 | 15.0 | 4.5 | −5.0 | 15.9 | −7.4 | 9.4 | 37.9 |
长江流域 | −4.0 | −4.3 | −1.4 | −10.3 | −6.9 | −1.3 | −8.1 | 6.8 | −14.3 | 6.7 | −5.2 | 1.3 | 4.4 |