Advanced Machine Learning Techniques for Water

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "New Sensors, New Technologies and Machine Learning in Water Sciences".

Deadline for manuscript submissions: closed (25 November 2022) | Viewed by 4777

Special Issue Editors


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Guest Editor
School of Civil, Environmental and Architectural Engineering, Korea University, Anam-ro 145, Seongbuk-gu, Seoul 02841, Korea
Interests: machine learning; optimization algorithms; hydroinformatics; water distribution systems; urban drainage systems; smart water grids
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Civil, Environmental and Architectural Engineering, Korea University, Anam-ro 145, Seongbuk-gu, Seoul 02841, Korea
Interests: water distribution system modelling and control; event detection and diagnosis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Machine learning (ML) is the science of making computers learn and act without explicit instructions and programming but with patterns and inference extracted from data instead. Applied in various science and engineering domains, ML is now pervasive in the field of water engineering. Currently, traditional hydroinformatics methods (regression, classification, and clustering) are being replaced with new ML techniques such as deep neural networks (DNNs), which are mostly accompanied by big data of special features (e.g., unstructured or spatio-temporal) obtained with advances in measurement and sensor technologies.

This Special Issue intends to include papers introducing novel ML approaches for tackling problems in hydro systems, that is, water supply/distribution systems, urban drainage networks, and river systems. This time, we expect to facilitate advanced DNN models such as GAN, R-CNN, YOLO, BERT, etc., which can effectively and efficiently resolve hard and new problems emerging in the water domain.

We hope that this Special Issue can: (1) serve as a reference point from which readers can review progress, recent trends, and emerging issues; and (2) shed light on the future directions of ML studies for water.

Prof. Dr. Joong Hoon Kim
Dr. Donghwi Jung
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Machine Learning (ML) techniques for water supply/distribution systems, urban drainage networks, and river networks
  • Deep Neural Networks (DNNs)
  • Generative Adversarial Network (GAN)
  • Region-based Convolutional Neural Network (R-CNN)
  • You Only Look Once (YOLO)
  • Bidirectional Encoder Representations from Transformers (BERT)

Published Papers (2 papers)

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Research

17 pages, 4960 KiB  
Article
Data Modeling of Sewage Treatment Plant Based on Long Short-Term Memory with Multilayer Perceptron Network
by Zhengxi Wei, Ning Wu, Qingchuan Zou, Huanxin Zou, Liucun Zhu, Jinzhan Wei and Hong Huang
Water 2023, 15(8), 1472; https://0-doi-org.brum.beds.ac.uk/10.3390/w15081472 - 10 Apr 2023
Cited by 1 | Viewed by 1918
Abstract
As wastewater treatment usually involves complicated biochemical reactions, leading to strong coupling correlation and nonlinearity in water quality parameters, it is difficult to analyze and optimize the control of the wastewater treatment plant (WWTP) with traditional mathematical models. This research focuses on how [...] Read more.
As wastewater treatment usually involves complicated biochemical reactions, leading to strong coupling correlation and nonlinearity in water quality parameters, it is difficult to analyze and optimize the control of the wastewater treatment plant (WWTP) with traditional mathematical models. This research focuses on how deep learning techniques can be used to model the data from a specific WWTP so as to optimize the required energy consumption. In the operation of a wastewater treatment plant, various sensors are used to record the treatment process data; these data are used to train deep neural networks (DNNs). A long short-term memory with multilayer perceptron network (LMPNet) model is proposed to model the water quality parameters and site control parameters, such as COD, pH, NH3-N, et al., and the LMPNet model prediction error is then measured by criteria such as the MSE, MAE, and R2. The experimental results show that the LMPNet model demonstrates great accuracy in the modeling of the control of WWTPs. A life-long learning strategy is also developed for the LMPNet in order to adapt to the environment that may change over time. By developing performance evaluation metrics, the purification performance can be analyzed, and the prediction reference can be provided for the subsequent control optimization and energy saving plan. Full article
(This article belongs to the Special Issue Advanced Machine Learning Techniques for Water)
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14 pages, 3160 KiB  
Article
Development of Water Level Prediction Improvement Method Using Multivariate Time Series Data by GRU Model
by Kidoo Park, Yeongjeong Seong, Younghun Jung, Ilro Youn and Cheon Kyu Choi
Water 2023, 15(3), 587; https://0-doi-org.brum.beds.ac.uk/10.3390/w15030587 - 02 Feb 2023
Cited by 1 | Viewed by 2018
Abstract
The methods for improving the accuracy of water level prediction were proposed in this study by selecting the Gated Recurrent Unit (GRU) model, which is effective for multivariate learning at the Paldang Bridge station in Han River, South Korea, where the water level [...] Read more.
The methods for improving the accuracy of water level prediction were proposed in this study by selecting the Gated Recurrent Unit (GRU) model, which is effective for multivariate learning at the Paldang Bridge station in Han River, South Korea, where the water level fluctuates seasonally. The hydrological data (i.e., water level and flow rate) for Paldang Bridge station were entered into the GRU model; the data were provided by the Water Resources Management Information System (WAMIS), and the meteorological data for Seoul Meteorological Observatory and Yangpyeong Meteorological Observatory were provided through the Korea Meteorological Administration. Correlation analysis was used to select the training data for hydrological and meteorological data. Important input data affecting the daily water level (DWL) were daily flow rate (DFR), daily vapor pressure (DVP), daily dew point temperature (DDPT), and 1 h max precipitation (1HP), and were used as the multivariate learning data for water level prediction. However, the DWL prediction accuracy did not improve even if the meteorological data from a single meteorological observatory far from the DWL prediction point were used as the multivariate learning data. Therefore, in this study, methods for improving the predictive accuracy of DWL through multivariate learning that effectively utilize meteorological data from each meteorological observatory were presented. First, it was a method of arithmetically averaging meteorological data for two meteorological observatories and using it as the multivariate learning data for the GRU model. Second, a method was proposed to use the meteorological data of the two meteorological observatories as multivariate learning data by weighted averaging the distances from each meteorological observatory to the water level prediction point. Therefore, in this study, improved water level prediction results were obtained even if data with some correlation between meteorological data provided by two meteorological observatories located far from the water level prediction point were used. Full article
(This article belongs to the Special Issue Advanced Machine Learning Techniques for Water)
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