环渤海地区水污染物排放的时空格局及其驱动因素
周侃, 樊杰, 刘汉初

Spatiotemporal patterns and driving forces of water pollutant discharge in the Bohai Rim Region
Kan ZHOU, Jie FAN, Hanchu LIU
图3 2005-2012年环渤海地区化学需氧量排放的热区变化
Fig.3 Spatial change of hotspots of COD discharge in the Bohai Rim Region, 2005-2012