长三角多维城市化对PM2.5浓度的非线性影响及驱动机制

郭向阳, 穆学青, 丁正山, 秦东丽

Nonlinear effects and driving mechanism of multidimensional urbanization on PM2.5 concentrations in the Yangtze River Delta

GUO Xiangyang, MU Xueqing, DING Zhengshan, QIN Dongli

表2 2000—2017年长三角PM2.5浓度的标准差椭圆参数

Tab. 2 Standard deviation elliptic parameter of PM2.5 concentrations in the Yangtze River Delta in 2000-2017

年份 重心坐标 x轴(km) y轴(km) 旋转角θ(°) 偏移方向 偏移距离(km) 2000 118°53'27''E,31°43'34''N 275.98 167.73 134.30 2001 118°52'50''E,31°46'79''N 276.95 165.59 133.25 西偏北 3.905 2002 118°51'24''E,31°48'14''N 271.75 168.90 132.81 西偏北 1.919 2003 118°49'38''E,31°50'70''N 275.84 169.10 132.59 西偏北 3.348 2004 118°49'34''E,31°44'53''N 270.55 170.00 133.53 东偏南 6.816 2005 118°47'32''E,31°47'18''N 271.79 170.33 133.55 西偏北 3.515 2006 118°49'12''E,31°53'59''N 271.25 169.77 133.75 西偏北 7.329 2007 118°44'12''E,31°52'14''N 274.33 168.69 132.33 西偏南 5.006 2008 118°48'26''E,31°47'34''N 271.70 169.67 132.61 东偏南 6.625 2009 118°49'90''E,31°50'47''N 268.39 170.51 132.10 西偏北 3.812 2010 118°44'56''E,31°55'45''N 274.41 170.92 132.86 西偏北 7.502 2011 118°47'44''E,31°52'50''N 266.38 170.47 132.95 东偏南 4.267 2012 118°47'55''E,31°49'10''N 271.19 169.71 133.12 东偏南 3.782 2013 118°47'17''E,31°52'44''N 270.78 169.78 132.58 西偏北 3.731 2014 118°45'10''E,31°49'50''N 269.08 169.95 133.55 西偏南 3.813 2015 118°46'10''E,31°54'47''N 263.21 171.55 131.61 西偏北 5.607 2016 118°48'22''E,31°57'29''N 266.51 170.29 132.84 东偏北 9.152 2017 118°36'47''E,31°58'40''N 266.33 171.91 132.80 西偏南 11.198