Fig. 2 | Scientific Reports

Fig. 2

From: Industrial water consumption efficiency and driving factors based on the super-efficient SBM and Tobit approach

Fig. 2

(a) Spatial distribution of industrial output value; (b) Proportion of energy consumption by region; (c) Distribution map of wastewater discharge in different regions. Notes: In the diagram, high-pollution, medium-pollution, and low-pollution energy sources respectively refer to energy production processes characterized by water demand while generating significant, moderate, and minimal pollutant emissions. This classification derives from the categorization of pollutant emission characteristics during energy utilization, primarily based on national/regional environmental protection regulations, industry standards, and relevant environmental impact assessment studies. The study area is a typical area selected in the northern slope of Tianshan Mountain.

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