Fig. 7
From: The present situation and pollution sources of underground drinking water in Zhangjiakou, China
Based on the PMF model, the factor contribution ratio (a) GWS (b) TWS (c) YWS is calculated.
Fig. 7 | Scientific Reports
From: The present situation and pollution sources of underground drinking water in Zhangjiakou, China
Based on the PMF model, the factor contribution ratio (a) GWS (b) TWS (c) YWS is calculated.
