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Water, Volume 13, Issue 7

April-1 2021 - 123 articles

Cover Story: Time-series prediction of a river stage during typhoons or storms is essential for flood disaster prevention. This study presents a multistep-ahead framework involving Bayesian optimization to construct data-driven prediction models based on four ML techniques, namely, support vector regression (SVR), random forest regression (RFR), multilayer perceptron regression (MLPR), and light gradient boosting machine regression (LGBMR) for river stage forecasting. The four models were applied to simulate river stage hydrographs of the tidal reach of the Lan-Yang River Basin in northeastern Taiwan. The results revealed that the LGBMR model could efficiently and accurately predict the 1–6 h river stage in the tidal river. View this paper
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Articles (123)

  • Feature Paper
  • Article
  • Open Access
9 Citations
4,665 Views
11 Pages

2 April 2021

Sulfide related odor and corrosion are two of the major problems associated with the operation and maintenance of sewer networks. The extent of the problems is governed by several complex and interrelated processes. Sulfide oxidation is typically the...

  • Review
  • Open Access
290 Citations
37,287 Views
35 Pages

Oily Wastewater Treatment: Overview of Conventional and Modern Methods, Challenges, and Future Opportunities

  • Khaled Abuhasel,
  • Mohamed Kchaou,
  • Mohammed Alquraish,
  • Yamuna Munusamy and
  • Yong Tzyy Jeng

2 April 2021

Industrial developments in the oil and gas, petrochemical, pharmaceutical and food sector have contributed to the large production of oily wastewater worldwide. Oily wastewater pollution affects drinking water and groundwater resources, endangers aqu...

  • Article
  • Open Access
8 Citations
3,981 Views
23 Pages

2 April 2021

Precipitation is the main source for replenishing groundwater stored in aquifers for a myriad of beneficial purposes, especially in arid and semi-arid regions. A significant portion of the municipal and agricultural water demand is satisfied through...

  • Feature Paper
  • Article
  • Open Access
7 Citations
6,652 Views
30 Pages

2 April 2021

Wetlands provide many benefits, including flood attenuation, groundwater recharge, water-quality improvement, and habitat for wildlife. As their structure and functions are sensitive to changes in hydrology, characterizing the water budgets of wetlan...

  • Article
  • Open Access
6 Citations
3,674 Views
16 Pages

Influent with Particulate Substrate, Clean, Innocuous and Sustainable Solution for Bulking Control and Mitigation in Activated Sludge Process

  • Pedro Cisterna-Osorio,
  • Claudia Calabran-Caceres,
  • Giannina Tiznado-Bustamante and
  • Nataly Bastias-Toro

2 April 2021

This research studies the incidence of the type of substrate, soluble or particulate, in the emergence, development, and inhibition of bulking in activated sludge systems. It was evaluated using the sludge volume index (SVI), mixing liquor-suspended...

  • Feature Paper
  • Article
  • Open Access
6 Citations
3,730 Views
17 Pages

1 April 2021

Eco-friendly river restoration structures are used to create localized scour pools which serve as fish nurseries and promote biodiversity. In this category, chevrons are relatively new structures designed to maintain navigability in rivers. The scour...

  • Article
  • Open Access
4 Citations
2,779 Views
24 Pages

1 April 2021

A variety of hydrological models is currently available. Many of those employ physically based formulations to account for the complexity and spatial heterogeneity of natural processes. In turn, they require a substantial amount of spatial data, whic...

  • Feature Paper
  • Review
  • Open Access
91 Citations
13,608 Views
30 Pages

Microplastics in the Aquatic Environment: Occurrence, Persistence, Analysis, and Human Exposure

  • Maria Ricciardi,
  • Concetta Pironti,
  • Oriana Motta,
  • Ylenia Miele,
  • Antonio Proto and
  • Luigi Montano

1 April 2021

Microplastics (MP) have recently been considered as emerging contaminants in the water environment. In the last number of years, the number of studies on MP has grown quickly due to the increasing consciousness of the potential risks for human health...

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Water - ISSN 2073-4441