城市群水污染物排放的驱动因素及尺度效应
周侃, 殷悦, 陈妤凡

Driving factors and scale effects of water pollutant discharge in the urban agglomeration
ZHOU Kan, YIN Yue, CHEN Yufan
图2 长三角城市群县域水污染物排放强度分级
Fig. 2 Classification of water pollutant discharge intensity at the county level in the Yangtze River Delta