2024
DOI: 10.2166/ws.2024.041
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Improved prediction of groundwater depth in urban areas using the EWT-S–G-GRU and LSSVM model: a case study of Xinxiang City

Shuqi Luo,
Haiyang Chen,
Wuyuan Chen

Abstract: The improvement of the accuracy in predicting groundwater depth has significant guiding implications for the management, ecological environment protection and economic and social development of regional water resources. Employing the empirical wavelet transform (EWT) for nonlinear processing, Savitzky–Golay (S–G) filtering to reduce high-frequency noise, gate recurrent unit (GRU) neural network for linear feature signal processing, and least squares support vector machine (LSSVM) for nonlinear signal handling,… Show more

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