A Novel Online Hydrological Data Quality Control Approach Based on Adaptive Differential Evolution

Qun Zhao, Shicheng Cui (), Yuelong Zhu, Rui Li and Xudong Zhou
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Qun Zhao: School of Computer Engineering, Nanjing Institute of Technology, Nanjing 211167, China
Shicheng Cui: School of Computer Engineering, Nanjing Institute of Technology, Nanjing 211167, China
Yuelong Zhu: College of Computer and Information, Hohai University, Nanjing 211100, China
Rui Li: School of Computer Engineering, Nanjing Institute of Technology, Nanjing 211167, China
Xudong Zhou: Institute of Hydraulics and Ocean Engineering, Ningbo University, Ningbo 315211, China

Mathematics, 2024, vol. 12, issue 12, 1-18

Abstract: The quality of hydrological data has a significant impact on hydrological models, where stable and anomaly-free hydrological time series typically yield more valuable patterns. In this paper, we conduct data analysis and propose an online hydrological data quality control method based on an adaptive differential evolution algorithm according to the characteristics of hydrological data. Taking into account the characteristics of continuity, periodicity, and seasonality, we develop a Periodic Temporal Long Short-Term Memory (PT-LSTM) predictive control model. Building upon the real-time nature of the data, we apply the Adaptive Differential Evolution algorithm to optimize PT-LSTM, creating an Online Composite Predictive Control Model (OCPT-LSTM) that provides confidence intervals and recommended values for control and replacement. The experimental results demonstrate that the proposed data quality control method effectively manages data quality; detects data anomalies; provides suggested values; reduces reliance on manual intervention; provides a solid data foundation for hydrological data analysis work; and helps hydrological personnel in water resource scheduling, flood control, and other related tasks. Meanwhile, the proposed method can also be applied to the analysis of time series data in other industries.

Keywords: hydrological data quality; data analysis; predictive control model; differential evolution algorithm; online optimization (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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