Machine learning based on the graph convolutional self-organizing map method increases the accuracy of pollution source identification: A case study of trace metal(loid)s in soils of Jiangmen City, south China

• Le GaoWuyi University
• Wanting ZhangWuyi University
• Qiyuan LiuChinese Research Academy of Environmental Sciences
• Xiaoyan LinWuyi University
• Yongjie HuangWuyi University
• Xin ZhangWuyi University