Yu, Ping, Lanqing Qiu, Huixin Ma, Fawen Li, Shaofei Li, and Ai Wang. “Analysis of the Burial Depth Pattern of Shallow Groundwater Based on Wavelet and Hilbert-Huang Transform Methods”. Journal of Environmental Accounting and Management 12, no. 2 (August 17, 2026): 115–127. Accessed August 17, 2026. https://lhscientificpublishing.com/index.php/jeam/article/view/961.