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You searched for: Journal name Water Remove constraint Journal name: Water Publication year rev 7981-2019 Remove constraint Publication year rev: 7981-2019 Source 2019 v.11 no.3 Remove constraint Source: 2019 v.11 no.3
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1. Advanced Numerical Modeling of Sediment Transport in Gravel-Bed Rivers

Author:
Van Hieu Bui; Minh Duc Bui; Peter Rutschmann
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
aquatic habitat; gravel; mathematical models; particle size distribution; porosity; rivers; sediment transport
Abstract:
... Understanding the alterations of gravel bed structures, sediment transport, and the effects on aquatic habitat play an essential role in eco-hydraulic and sediment transport management. In recent years, the evaluation of changes of void in bed materials has attracted more concern. However, analyzing the morphological changes and grain size distribution that are associated with the porosity variati ...
DOI:
10.3390/w11030550

2. Algal-Bacterial Symbiosis System Treating High-Load Printing and Dyeing Wastewater in Continuous-Flow Reactors under Natural Light

Author:
Chao Lin; Peng Cao; Xiaolin Xu; Bangce Ye
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
activated sludge; aeration; algae; ammonium nitrogen; carbon; chemical oxygen demand; color; dissolved oxygen; dyeing; particle size distribution; symbiosis; total phosphorus; wastewater; wastewater treatment
Abstract:
... This study investigated the symbiotic structure relationship between mixed algae and activated sludge while treating high-load printing and dyeing wastewater under natural light. The effects of hydraulic retention time (HRT) (12 h, 16 h and 20 h) and aeration rate (0.1–0.15, 0.4–0.5 and 0.7–0.8 L/min) on algal–bacterial symbiosis (ABS) and conventional activated sludge (CAS ...
DOI:
10.3390/w11030469

3. Application of Fuzzy TOPSIS to Flood Hazard Mapping for Levee Failure

Author:
Tae Hyung Kim; Byunghyun Kim; Kun-Yeun Han
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
floodplains; floods; infrastructure; models; multi-criteria decision making; rivers; uncertainty; South Korea
Abstract:
... This paper proposes a new approach to consider the uncertainties for constructing flood hazard maps for levee failure. The flood depth, velocity, and arrival time were estimated by the 2-Dimensional model and were considered as flood indices for flood hazard mapping. Each flood index predicted from the 2-D flood analysis based on several scenarios was fuzzified to reflect the uncertainties of the ...
DOI:
10.3390/w11030592

4. Are Presence/Absence Microbial Tests Appropriate for Monitoring Large Urban Water Supplies in Sub-Saharan Africa?

Author:
Clara MacLeod; Rachel Peletz; Francis Kere; Aminata M’Baye; Michael Onyango; Sadat Aw; Mamadou El Hadj Issabre; Rosalind Tung; Ranjiv Khush
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
Escherichia coli; coliform bacteria; cost effectiveness; drinking water; health promotion; laboratory equipment; microfiltration; monitoring; most probable number technique; quantitative analysis; screening; water quality; water supply; Sub-Saharan Africa
Abstract:
... Screening for fecal contamination via microbial water quality monitoring is a critical component of safe drinking water provision and public health protection. Achieving adequate levels of microbial water quality testing, however, is a challenge in resource-limited settings. One strategy for addressing this challenge is to improve the efficiency of monitoring programs. In African countries, quanti ...
DOI:
10.3390/w11030491

5. Assessing Climate Change Impacts on River Flows in the Tonle Sap Lake Basin, Cambodia

Author:
Chantha Oeurng; Thomas A. Cochrane; Sarit Chung; Mathias G. Kondolf; Thanapon Piman; Mauricio E. Arias
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
General Circulation Models; Soil and Water Assessment Tool model; basins; climate change; drought; dry season; freshwater ecosystems; lakes; planning; rivers; watersheds; Cambodia
Abstract:
... The Tonle Sap is the most fertile and diverse freshwater ecosystem in Southeast Asia, receiving nurturing water flows from the Mekong and its immediate basin. In addition to rapid development in the Tonle Sap basin, climate change may threaten natural flow patterns that sustain its diversity. The impacts of climate change on river flows in 11 sub-basins contributing to the Tonle Sap Lake were asse ...
DOI:
10.3390/w11030618

6. Assessing the Impacts of Univariate and Bivariate Flood Frequency Approaches to Flood Risk Accounting for Reservoir Operation

Author:
Ting Zhou; Zhiyong Liu; Juliang Jin; Hongxiang Hu
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
Meishan; dams (hydrology); hydrograph; planning; prediction; risk; risk assessment; China
Abstract:
... Flood frequency analysis plays a fundamental role in dam planning, reservoir operation, and risk assessment. However, conventional univariate flood frequency analysis carried out by flood peak inflow or volume does not account for the dependence between flood properties. In this paper, we proposed an integrated approach to estimate reservoir risk by combining the copula-based bivariate flood frequ ...
DOI:
10.3390/w11030475

7. Assessment of Agricultural Water Resources Sustainability in Arid Regions Using Virtual Water Concept: Case of South Khorasan Province, Iran

Author:
Ehsan Qasemipour; Ali Abbasi
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
arid zones; cropping systems; crops; economic indicators; economic sustainability; grains; groundwater; planting; vegetable growing; virtual water; water shortages; water use efficiency; water utilization; Iran
Abstract:
... Cropping pattern plays an important role in providing food and agricultural water resources sustainability, especially in arid regions in which the concomitant socioeconomic dangers of water shortage would be inevitable. In this research, six indices are applied to classify 37 cultivated crops according to Central Product Classification (CPC). The respective 10-year data (2005–2014) were obt ...
DOI:
10.3390/w11030449

8. Assessment of Miscanthus Yield Potential from Strip-Mined Lands (SML) and Its Impacts on Stream Water Quality

Author:
Kamalakanta Sahoo; Adam M. Milewski; Sudhagar Mani; Nahal Hoghooghi; Sudhanshu Sekhar Panda
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
Miscanthus sinensis; Soil and Water Assessment Tool model; bioenergy; biomass production; coal; energy crops; environmental impact; fertilizer rates; land resources; mining; nitrates; phosphorus; pollution load; sediments; streams; water quality; Appalachian region; United States
Abstract:
... Strip-mined land (SML) disturbed by coal mining is a non-crop land resource that can be utilized to cultivate high-yielding energy crops such as miscanthus for bioenergy applications. However, the biomass yield potential, annual availability, and environmental impacts of growing energy crops in SML are less understood. In this study, we estimated the yield potential of miscanthus (Miscanthus sinen ...
DOI:
10.3390/w11030546
CHORUS:
10.3390/w11030546

9. Assessment of Rainwater Harvesting Systems in Poor Rural Communities: A Case Study from Yatta Area, Palestine

Author:
Nibal Al-Batsh; Issam A. Al-Khatib; Subha Ghannam; Fathi Anayah; Shehdeh Jodeh; Ghadir Hanbali; Bayan Khalaf; Michael van der Valk
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
World Health Organization; alkalinity; ammonium; case studies; chlorides; coliform bacteria; drinking; females; guidelines; households; nitrates; pH; public water supply; questionnaires; rain; rural communities; salinity; socioeconomics; surface area; temperature; total dissolved solids; turbidity; water hardness; water harvesting; watersheds; Palestine; West Bank
Abstract:
... Yatta is a town located nine kilometers south of Hebron city in the West Bank of Palestine. The town houses over 100,000 people of which 49% are females and has a population that doubles every 15 years. Yatta has been connected to a water network since 1974 serving nearly 85% of its households. The water network is old and inadequate to meet the needs of the population. Water supply made available ...
DOI:
10.3390/w11030585

10. Assessment of Water Quality Parameters Using Temporal Remote Sensing Spectral Reflectance in Arid Environments, Saudi Arabia

Author:
Mohamed Elhag; Ioannis Gitas; Anas Othman; Jarbou Bahrawi; Petros Gikas
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
basins; chlorophyll; data collection; decision making; dry environmental conditions; lakes; nitrates; normalized difference vegetation index; reflectance; regression analysis; remote sensing; satellites; spatial data; turbidity; water management; water quality; water treatment; watersheds; Saudi Arabia
Abstract:
... Remote sensing applications in water resources management are quite essential in watershed characterization, particularly when mega basins are under investigation. Water quality parameters help in decision making regarding the further use of water based on its quality. Water quality parameters of chlorophyll a concentration, nitrate concentration, and water turbidity were used in the current study ...
DOI:
10.3390/w11030556

11. Autonomous In Situ Measurements of Noncontaminant Water Quality Indicators and Sample Collection with a UAV

Author:
Cengiz Koparan; Ali Bulent Koc; Charles V. Privette; Calvin B. Sawyer
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
disasters; dissolved oxygen; electrical conductivity; lakes; monitoring; operating costs; oxygen; pH; ponds; rivers; temperature; unmanned aerial vehicles; water quality; water reservoirs
Abstract:
... The objective of this research was to conduct in situ measurements of electrical conductivity (EC), pH, dissolved oxygen (DO), and temperature, and collect water samples simultaneously at different depths using an unmanned aerial vehicle (UAV). The UAV system consists of a hexacopter, water sampling cartridges (WSC), and a sensor node. Payload capacity and endurance of the UAV were determined usin ...
DOI:
10.3390/w11030604

12. Behavioral Interactions and Trophic Overlap between Invasive Signal Crayfish Pacifastacus leniusculus (Decapoda, Astacidae) and Native Fishes in Iberian Rivers

Author:
Iván Vedia; David Almeida; Amaia A. Rodeles; Pedro M. Leunda; Enrique Baquero; David Galicia; Javier Oscoz; David Elustondo; Jesús M. Santamaría; Rafael Miranda
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
Barbatula; Pacifastacus leniusculus; Phoxinus; Salmo trutta; adults; crayfish; diet; ecoregions; fauna; indigenous species; invasive species; juveniles; minnows; rivers; video cameras; Iberian Peninsula; Spain
Abstract:
... The signal crayfish Pacifastacus leniusculus Dana, 1852 is a successful invasive species in the Iberian Peninsula. This is of particular conservation concern, as fish fauna is highly endemic and also threatened within this ecoregion. The aim of this study was to analyze behavioral interactions and trophic overlap between signal crayfish and native fishes in Iberian rivers (northern Spain). Video c ...
DOI:
10.3390/w11030459

13. Biological Health Assessments of Lotic Waters by Biotic Integrity Indices and their Relations to Water Chemistry

Author:
Usman Atique; Byungjin Lim; Johee Yoon; Kwang-Guk An
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
anthropogenic activities; basins; biodegradation; butylated hydroxyanisole; fish; fish communities; freshwater; habitats; health effects assessments; hydrochemistry; invasive species; lotic systems; models; monsoon season; principal component analysis; regression analysis; river water; rivers; streams; water quality; watersheds; South Korea
Abstract:
... Biological health assessment (BHA) has developed as an imperative gauge in efficient management of freshwater resources and fish assemblages. The principal objective of this research is directed at the development and application of a new index under the umbrella of the famous index of biological integrity (IBI). Further, we intended to carry out comparative assessments of the new index with two e ...
DOI:
10.3390/w11030436

14. Bioremediation of Waste Water to Remove Heavy Metals Using the Spent Mushroom Substrate of Agaricus bisporus

Author:
Marina Corral-Bobadilla; Ana González-Marcos; Eliseo P. Vergara-González; Fernando Alba-Elías
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
Agaricus bisporus; aluminum; bioreactors; bioremediation; chromium; cobalt; copper; ecosystems; heavy metals; human health; iron; lead; manganese; nickel; pH; spent mushroom compost; wastewater; water pollution; zinc
Abstract:
... The presence of heavy metals in waste water brings serious environmental pollution that threatens human health and the ecosystem. Bioremediation of heavy metals has received considerable and growing interest over the years. Thus, this paper presents the use of the Spent Mushroom Substrate (SMS) of Agaricus bisporus cultivation as a bioremediating agent to remove heavy metals that are present in in ...
DOI:
10.3390/w11030454

15. Blue Water in Europe: Estimates of Current and Future Availability and Analysis of Uncertainty

Author:
Alvaro Sordo-Ward; Isabel Granados; Ana Iglesias; Luis Garrote
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
climate models; data collection; emissions; infrastructure; issues and policy; model uncertainty; risk; rivers; runoff; Europe; Mediterranean region
Abstract:
... This study presents a regional assessment of future blue water availability in Europe under different assumptions. The baseline period (1960 to 1999) is compared to the near future (2020 to 2059) and the long-term future (2060 to 2099). Blue water availability is estimated as the maximum amount of water supplied at a certain point of the river network that satisfies a defined demand, taking into a ...
DOI:
10.3390/w11030420

16. Brine Recycling from Industrial Textile Wastewater Treated by Ozone. By-Products Accumulation. Part 1: Multi Recycling Loop

Author:
Lucyna Bilińska; Kazimierz Blus; Marta Gmurek; Stanisław Ledakowicz
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
adverse effects; chemical oxygen demand; color; cotton; decolorization; dyeing; fabrics; ozonation; ozone; pH; phenol; reactive dyes; recycling; remediation; sodium sulfate; textile mill effluents; thin layer chromatography; wastewater; wastewater treatment
Abstract:
... The “reactive” dyeing of textiles requires an application of low-molecular-weight salts (LMWS), such as NaCl or Na2SO4, as necessary auxiliary agents. LMWS acts only as a remediation factor and remains in the dyeing effluents constitute brine. The main goal of the presented study was to investigate the application of ozone technology for industrial textile wastewa ...
DOI:
10.3390/w11030460

17. CO2 Flux from Volcanic Lakes in the Western Group of the Azores Archipelago (Portugal)

Author:
César Andrade; J. Virgílio Cruz; Fátima Viveiros; Rui Coutinho
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
alkaline earth metals; bicarbonates; carbon dioxide; databases; deaeration; greenhouse gas emissions; islands; lakes; macrophytes; seawater; spraying; statistical analysis; surface water; surveys; volcanic land; Azores; Portugal
Abstract:
... Here, we present the first detailed study on diffuse CO2 degassing in the lakes in the Western Group (Corvo and Flores islands) of the Azores archipelago. This research is of interest in order to determine (1) the overall CO2 emission from such lakes, as volcanic lakes are often underrepresented in the databases of these water bodies, and (2) the diffuse CO2 degass ...
DOI:
10.3390/w11030599

18. Characteristics of Accelerations and Pressure Gradient during Run-Down of Solitary Wave over Very Steep Beach: A Case Study

Author:
Chang Lin; Wei-Ying Wong; Rajkumar V. Raikar; Hwung-Hweng Hwung; Ching-Piao Tsai
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
case studies; fluorescent dyes; gravity; hydraulic flumes; particle image velocimetry; streams
Abstract:
... An experimental investigation is performed to elucidate the variations of accelerations and pressure gradients in the external stream of retreating flow during the run-down phase of a non-breaking solitary wave, propagating over a 1:3 sloping beach. Two solitary waves that have the incident wave heights (H0) of 2.9 and 5.8 cm, with respective still water depths (h0) of 8.0 an ...
DOI:
10.3390/w11030523

19. Characteristics of Heterotrophic Nitrifying and Aerobic Denitrifying Arthrobacter nicotianae D51 Strain in the Presence of Copper

Author:
Xi Cai; Kaili Li; Tengxia He; Yaxin Wang; Xue Zhang; Enyu Xie; Ningning Ding; Zhenlun Li
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
Arthrobacter nicotianae; aerobic conditions; ammonium; bioremediation; copper; denitrification; denitrifying bacteria; gas chromatography; industrial wastewater; nitrates; nitrification; nitrites; nitrogen; nitrous oxide; nucleotide sequences; phospholipid fatty acids; ribosomal RNA; sequence analysis
Abstract:
... A heterotrophic nitrification and aerobic denitrification bacterium, strain D51, was identified as Arthrobacter nicotianae based on morphological, phospholipid fatty acids (PLFAs), and 16S rRNA gene sequence analyses. Further tests demonstrated that strain D51 had the capability to use nitrite, nitrate, or ammonium as the sole nitrogen source in the presence of Cu2+. The maximum removal efficienci ...
DOI:
10.3390/w11030434

20. Comparative Study of Balancing SRT by Using Modified ASM2d in Control and Operation Strategy at Full-Scale WWTP

Author:
Jakub Drewnowski; Jacek Mąkinia; Aleksandra Szaja; Grzegorz Łagód; Łukasz Kopeć; José Alonso Aguilar
Source:
Water 2019 v.11 no.3 pp. -
ISSN:
2073-4441
Subject:
activated sludge; biological treatment; chemical oxygen demand; comparative study; computer simulation; databases; fractionation; models; municipal wastewater; oxygen; prediction; wastewater treatment; Poland; Spain
Abstract:
... Detailed knowledge on the composition of the influent going into the wastewater treatment system is essential for the development of a reliable computer model. In the context of WWTPs (wastewater treatment plants), the wastewater characteristics are not only important for activated sludge system modelling, but also have an impact on the appropriate control of single unit operations. The aim of thi ...
DOI:
10.3390/w11030485