A Novel LEC Framework Incorporating Source Resolution: Spatiotemporal Evolution and Multi-Scenario Prediction of Soil Heavy Metal Risks - Xiufang Zhao; Kang Hou; Yujie Zhu; Xiaoping Li; Zeyu Liu; Xinyuan Zhu; Ruochen Mei; Luohong Zhang; Xuxiang Li (Journal of Environmental Chemical Engineering, 2026)