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518 Results Found

  • Article
  • Open Access
6 Citations
3,144 Views
16 Pages

The Small Water Cycle in the Czech Landscape: How Has It Been Affected by Land Management Changes Over Time?

  • Nina Noreika,
  • Julie Winterová,
  • Tailin Li,
  • Josef Krása and
  • Tomáš Dostál

13 December 2021

For the Czech Republic to recover from the effects of past mismanagement, it is necessary to determine how its landscape management can be improved holistically by reinforcing the small water cycle. We conducted a scenario analysis across four time p...

  • Article
  • Open Access
7 Citations
3,699 Views
16 Pages

4 May 2022

Reinforcing the small water cycle is considered to be a holistic approach to both water resource and landscape management. In an agricultural landscape, this can be accomplished by incorporating agricultural conservation practices; their incorporatio...

  • Article
  • Open Access
1,607 Views
25 Pages

Challenges of Urban Water Cycle Management in Small Spanish Municipalities: The Case of the Province of Granada

  • Francisco Javier García-Martínez,
  • Francisco Osorio and
  • Francisco González-Gómez

10 June 2025

Urban water service management in Spain presents two very distinct realities: populated service areas and small population centres. Despite the professionalised management of resources to provide a comprehensive, high-quality service in the largest s...

  • Article
  • Open Access
30 Citations
6,752 Views
19 Pages

Effect of Nutrient Removal and Resource Recovery on Life Cycle Cost and Environmental Impacts of a Small Scale Water Resource Recovery Facility

  • Ben Morelli,
  • Sarah Cashman,
  • Xin (Cissy) Ma,
  • Jay Garland,
  • Jason Turgeon,
  • Lauren Fillmore,
  • Diana Bless and
  • Michael Nye

3 October 2018

To limit effluent impacts on eutrophication in receiving waterbodies, a small community water resource recovery facility (WRRF) upgraded its conventional activated sludge treatment process for biological nutrient removal, and considered enhanced prim...

  • Article
  • Open Access
1 Citations
1,458 Views
20 Pages

22 March 2025

Producing Class A biosolids that can be distributed or land-applied without restriction is a beneficial way to reuse wastewater treatment solids. For small water resource recovery facilities (WRRFs) in particular, low-cost, low-tech (LCLT) processes...

  • Article
  • Open Access
16 Citations
4,588 Views
16 Pages

8 October 2021

Low-Impact Development (LID) is alleviating the water cycle problems that arise from an increasing impervious surface area caused by urbanization. However, there is insufficient research on the application and analyses of LID techniques that are used...

  • Article
  • Open Access
8 Citations
2,827 Views
14 Pages

10 September 2021

Mistletoe infestation leads to a decrease in the growth of woody plants, their longevity, and partial or complete drying of the top, as well as premature death. Various environmental stress factors, both abiotic and biotic, stimulate the formation of...

  • Article
  • Open Access
3 Citations
1,925 Views
21 Pages

24 September 2024

Oases in arid regions consist of river–lake–groundwater systems characterized by complex hydrological cycles and fragile ecosystems. Sustainable water resource management, aimed at multi-source ecological restoration, is crucial for oasis...

  • Article
  • Open Access
12 Citations
3,786 Views
17 Pages

The swelling-shrinkage and cracking characteristics of compacted clay under the coupling effect of initial conditions are rarely studied. The dry-wet cycle test of compacted clay with varying initial water contents and densities was performed in this...

  • Article
  • Open Access
4 Citations
3,514 Views
18 Pages

30 November 2019

Earth and atmospheric tides create oscillations in water parameters of inland rivers, mainly due to the similar behavior of groundwaters. Tidal oscillations of inland rivers were termed orthotides and were detected in fluctuations of water level and...

  • Article
  • Open Access
11 Citations
5,186 Views
11 Pages

Cardiovascular Function in Different Phases of the Menstrual Cycle in Healthy Women of Reproductive Age

  • Malgorzata Kwissa,
  • Tomasz Krauze,
  • Agnieszka Mitkowska-Redman,
  • Beata Banaszewska,
  • Robert Z. Spaczynski,
  • Andrzej Wykretowicz and
  • Przemyslaw Guzik

3 October 2022

Background: Sex hormones influence the cardiovascular (CV) function in women. However, it is uncertain whether their physiological variation related to the regular menstrual cycle affects the CV system. We studied changes in the hemodynamic profile a...

  • Article
  • Open Access
7 Citations
3,958 Views
17 Pages

Seasonal Variation and Vertical Distribution of Inorganic Nutrients in a Small Artificial Lake, Lake Bulan, in Mongolia

  • Ariunsanaa Baterdene,
  • Seiya Nagao,
  • Baasanjav Zorigt,
  • Altansukh Ochir,
  • Keisuke Fukushi,
  • Davaadorj Davaasuren,
  • Baasansuren Gankhurel,
  • Enkhuur Munkhsuld,
  • Solongo Tsetsgee and
  • Ariuntungalag Yunden

14 June 2022

This is the first seasonal observation study on nutrient dynamics undertaken in a small freshwater lake with eutrophication in Mongolia. The vertical profile and seasonal fluctuation of nutrients are crucial to understanding the biogeochemical cycles...

  • Article
  • Open Access
20 Citations
3,580 Views
11 Pages

SAXS Investigation of the Effect of Freeze/Thaw Cycles on the Nanostructure of Nafion® Membranes

  • Ruslan M. Mensharapov,
  • Nataliya A. Ivanova,
  • Dmitry D. Spasov,
  • Sergey A. Grigoriev and
  • Vladimir N. Fateev

18 October 2022

In this study, we performed small-angle X-ray scattering (SAXS) to investigate the structure of Nafion® membranes. The effect of freeze/thaw (F/T) cycles (from ambient temperature down to −40 °C) on the membrane nanostructure was considered for the f...

  • Article
  • Open Access
26 Citations
3,013 Views
11 Pages

Carrageenan as an Ecological Alternative of Polyvinylidene Difluoride Binder for Li-S Batteries

  • Tomáš Kazda,
  • Dominika Capková,
  • Kamil Jaššo,
  • Andrea Fedorková Straková,
  • Elena Shembel,
  • Alex Markevich and
  • Marie Sedlaříková

26 September 2021

Lithium-sulfur batteries are one of the most promising battery systems nowadays. However, this system is still not suitable for practical application because of the number of shortcomings that limit its cycle life. One of the main problems related to...

  • Article
  • Open Access
36 Citations
6,870 Views
12 Pages

25 August 2021

Increased impervious surfaces due to urbanization have reduced evaporation and infiltration into the soil compared with existing natural water cycle systems, which causes various problems, such as urban floods, landslides, and deterioration of water...

  • Article
  • Open Access
6 Citations
2,753 Views
16 Pages

24 April 2021

Freeze-thaw cycles caused by seasonal temperature fluctuations significantly affect the geotechnical engineering properties. This study investigated the crucial role of water distribution patterns in the characterization of elastic wave properties fo...

  • Article
  • Open Access
2,731 Views
14 Pages

Experimentally Identifying the Influences of Key Parameters for an Organic Rankine Cycle Using R123

  • Yan Gao,
  • Qianxi Song,
  • Wen Su,
  • Xinxing Lin,
  • Zhi Sun,
  • Zhisheng Huang and
  • Yaping Gao

2 January 2023

As an efficient energy conversion technology, the organic Rankine cycle (ORC) has been widely applied in medium- and low-grade heat sources. In order to explore the experimental performance of ORC and reveal the effects of operation parameters, an ex...

  • Article
  • Open Access
3 Citations
1,750 Views
16 Pages

Characteristics of Acoustic Emission Response during Granite Splitting after High Temperature-Water Cooling Cycles

  • Dong Zhu,
  • Yuqing Fan,
  • Xiaofei Liu,
  • Xiangling Tao,
  • Liegang Miao and
  • Huiwu Jin

20 October 2022

In order to investigate the effect of a high temperature-water cooling cycle on the acoustic emission characteristics of the granite splitting process, Brazilian splitting tests were conducted on granite disc specimens treated with high temperature&n...

  • Article
  • Open Access
14 Citations
4,369 Views
10 Pages

Poly(N-isopropylacrylamide) Hydrogel for Diving/Surfacing Device

  • Jung Gi Choi,
  • Hocheol Gwac,
  • Yongwoo Jang,
  • Christopher Richards,
  • Holly Warren,
  • Geoffrey Spinks and
  • Seon Jeong Kim

19 February 2021

Underwater robots and vehicles have received great attention due to their potential applications in remote sensing and search and rescue. A challenge for micro aquatic robots is the lack of small motors needed for three-dimensional locomotion in wate...

  • Article
  • Open Access
6 Citations
2,151 Views
14 Pages

9 January 2023

Taking saturated, weakly cemented sandstone as the research object, nuclear magnetic resonance (NMR) tests were performed before and after six freeze–thaw cycles without water replenishment in order to study and reveal the evolution characteris...

  • Article
  • Open Access
4 Citations
4,134 Views
22 Pages

Thermodynamic Analysis and Comparison of Power Cycles for Small Modular Reactors

  • Vladimir Kindra,
  • Igor Maksimov,
  • Olga Zlyvko,
  • Andrey Rogalev and
  • Nikolay Rogalev

29 March 2024

Small nuclear power plants can provide a stable, carbon-free energy supply to civil infrastructure and industrial enterprises in remote regions isolated from unified energy systems. More than 70 projects of small modular reactors are currently being...

  • Article
  • Open Access
7 Citations
3,542 Views
14 Pages

12 February 2023

Dissolved organic carbon (DOC) in inland waters (rivers, reservoirs, lakes, and small ponds) plays a significant role in the global carbon cycle and affects global climate change. In addition, DOC is also a vital indicator of the water environment du...

  • Article
  • Open Access
14 Citations
5,874 Views
16 Pages

Water use in buildings accounts for a large share in global freshwater consumption where research on the impacts of life cycle water use receive little or no attention. Moreover, there is very limited knowledge regarding such impacts that focus on th...

  • Article
  • Open Access
9 Citations
3,109 Views
18 Pages

Urban Water Pricing and Private Interests’ Lobbying in Small Rural Communities

  • Fernando Alguacil-Duarte,
  • Francisco González-Gómez and
  • Salvador del Saz-Salazar

14 December 2020

It is difficult for small municipalities to ensure their urban water cycle complies with the principle of cost recovery established in the European Union (EU) Water Framework Directive. Unlike more populous municipalities, small municipalities face h...

  • Feature Paper
  • Article
  • Open Access
50 Citations
11,338 Views
18 Pages

Ocean Thermal Energy Conversion Using Double-Stage Rankine Cycle

  • Yasuyuki Ikegami,
  • Takeshi Yasunaga and
  • Takafumi Morisaki

Ocean Thermal Energy Conversion (OTEC) using non-azeotropic mixtures such as ammonia/water as working fluid and the multistage cycle has been investigated in order to improve the thermal efficiency of the cycle because of small ocean temperature diff...

  • Article
  • Open Access
13 Citations
3,648 Views
17 Pages

29 August 2019

Heat rejection in the hot-arid area is of concern to power cycles, especially for the transcritical Rankine cycle using CO2 as the working fluid in harvesting the low-grade energy. Usually, water is employed as the cooling substance in Rankine cycles...

  • Article
  • Open Access
3 Citations
2,109 Views
14 Pages

13 March 2023

The paper describes the results of a field experimental campaign carried out on the intermittent water distribution system (WDS) of a small municipality in southern Italy. In a novel way, as compared to the existing literature, the monitoring campaig...

  • Article
  • Open Access
3 Citations
2,321 Views
14 Pages

Microfluidics-Based Drying–Wetting Cycles to Investigate Phase Transitions of Small Molecules Solutions

  • Ajay Verma,
  • Tiphaine Mateo,
  • Juan Quintero Botero,
  • Nishanth Mohankumar and
  • Tommaso P. Fraccia

4 April 2024

Drying–wetting cycles play a crucial role in the investigation of the origin of life as processes that both concentrate and induce the supramolecular assembly and polymerization of biomolecular building blocks, such as nucleotides and amino aci...

  • Article
  • Open Access
10 Citations
3,804 Views
15 Pages

Wetting and drying (W-D) cycles are responsible for significant changes in soil structure. Soil often undergoes irreversible changes affecting infiltration and solute retention through W-D cycles. Thus, it becomes essential to evaluate how soils unde...

  • Article
  • Open Access
1,226 Views
17 Pages

11 November 2024

The effect of the dry–wet cycle, characterized by periodic water level changes in the Three Gorges Reservoir, will severely degrade the bearing performance of rock formations. In order to explore the effect of the dry–wet cycle on the mes...

  • Article
  • Open Access
2 Citations
1,235 Views
20 Pages

10 October 2024

To investigate the effect of hot and humid environmental factors on the mechanical properties of asphalt mixtures research, in this paper, the dynamic modulus of asphalt mixtures under the effects of aging, dry–wet cycling, and coupled effects...

  • Article
  • Open Access
1,393 Views
14 Pages

Day after day, stricter environmental regulations and rising operating costs and fuel prices are forcing the shipping industry to find more effective ways of designing and operating energy-efficient ships. One of the ways to produce electricity effic...

  • Article
  • Open Access
3,129 Views
15 Pages

21 September 2023

This work introduces state-of-the-art water detritiation processes and discusses the main technologies and materials adopted. Focus is given to the gas chromatography (GC) and the thermal cycling absorption process (TCAP), which are studied as potent...

  • Article
  • Open Access
46 Citations
5,419 Views
16 Pages

1 June 2020

Autogenous healing is mainly produced by continuing hydration or carbonation. The aim of this research is to quantify the crack closing produced by autogenous healing for early-age concrete. This healing was evaluated for two crack size levels, 0.1 m...

  • Article
  • Open Access
1,367 Views
8 Pages

A Modified Acrylic Binder Used for the Graphite Negative Electrode in LithiumIon Batteries

  • Lianxiang Feng,
  • Wenting Chen,
  • Feng Hai,
  • Xin Gao,
  • Yuyu Ban,
  • Weicheng Xue,
  • Wentao Yan,
  • Yunxiao Yang and
  • Mingtao Li

The water-based binder has the advantages of non-toxic, non-flammable, small odor, and no pollution to the environment. However, there are problems such as low bond strength and poor battery cycle life of commonly used binders on the market. In this...

  • Article
  • Open Access
7 Citations
6,236 Views
18 Pages

Water Availability for Cannabis in Northern California: Intersections of Climate, Policy, and Public Discourse

  • Betsy Morgan,
  • Kaitlyn Spangler,
  • Jacob Stuivenvolt Allen,
  • Christina N. Morrisett,
  • Mark W. Brunson,
  • Shih-Yu Simon Wang and
  • Nancy Huntly

23 December 2020

Availability of water for irrigated crops is driven by climate and policy, as moderated by public priorities and opinions. We explore how climate and water policy interact to influence water availability for cannabis (Cannabis sativa), a newly regula...

  • Article
  • Open Access
1 Citations
1,003 Views
21 Pages

Experimental Study and Performance Analysis of a Recuperative Supercritical CO2 Brayton Cycle

  • Shucheng Zhang,
  • Juntao Ke,
  • Min Liu,
  • Pingjian Ming and
  • Guopeng Yu

5 June 2025

To investigate the operational characteristics of the supercritical carbon dioxide (S-CO2) Brayton cycle and enhance its applicability in practical operating conditions for micro-scale reactors, an experimental platform for a recuperative S-CO2 Brayt...

  • Article
  • Open Access
14 Citations
6,127 Views
22 Pages

Monitoring Variations in Lake Water Storage with Satellite Imagery and Citizen Science

  • Sarina Little,
  • Tamlin M. Pavelsky,
  • Faisal Hossain,
  • Sheikh Ghafoor,
  • Grant M. Parkins,
  • Sarah K. Yelton,
  • Megan Rodgers,
  • Xiao Yang,
  • Jean-François Crétaux and
  • Catherine Hein
  • + 6 authors

30 March 2021

Despite lakes being a key part of the global water cycle and a crucial water resource, there is limited understanding of whether regional or lake-specific factors control water storage variations in small lakes. Here, we study groups of small, unregu...

  • Article
  • Open Access
9 Citations
2,292 Views
19 Pages

12 July 2023

Spalling disease caused by freeze–thaw cycles often occurs on the loess cut-slopes in northern Shaanxi. The deterioration of the pore structure and mechanical strength of loess under a freeze–thaw environment is one of the critical reason...

  • Article
  • Open Access
5 Citations
1,132 Views
22 Pages

15 December 2024

The present study aimed to determine the effect of material modification by hot water extraction (HWE) on the compaction efficiency of shredded Miscanthus giganteus stalks in the pellet production process. Samples were prepared to differ in the numbe...

  • Article
  • Open Access
598 Views
6 Pages

The Geochemical and Isotopic Carbon Cycle in an Urban Pond in the City of Wroclaw

  • Wojciech Drzewicki,
  • Pola Kościukiewicz and
  • Adriana Trojanowska-Olichwer

The aim of this study was a recognition of the carbon cycle in a small anthropogenic reservoir located in Wrocław (SW Poland). The research investigated the geochemical processes and isotopic interactions in the water column as well as those between...

  • Proceeding Paper
  • Open Access
950 Views
5 Pages

14 October 2024

An EPA-SWMM model was used for the simulation of the intermittent water distribution system (WDS) of a small municipality in southern Italy. The model was compared with field data collected during an experimental campaign carried out in the intermitt...

  • Article
  • Open Access
4 Citations
4,321 Views
14 Pages

The Problem of Selenium for Human Health—Removal of Selenium from Water and Wastewater

  • Agata Witczak,
  • Kamila Pokorska-Niewiada,
  • Agnieszka Tomza-Marciniak,
  • Grzegorz Witczak,
  • Jacek Cybulski and
  • Aleksandra Aftyka

14 June 2023

Selenium is a trace element that can be poisonous in small quantities. The aim of this study was to analyze the change in the content of selenium in drinking water, raw water, as well as treated and raw wastewater in an annual cycle in the city of Sz...

  • Article
  • Open Access
2 Citations
1,241 Views
18 Pages

9 February 2025

Organic matter (OM) is the primary carrier for the generation and occurrence of shale oil and gas. The combination of sequence stratigraphy and elemental geochemistry plays a crucial role in the study of organic matter enrichment mechanisms in marine...

  • Article
  • Open Access
4 Citations
2,683 Views
18 Pages

1 April 2023

Climate change and human activities are two important factors in the changing environment that affect the variability of the hydrological cycle and river regime in the Yalong River basin. This paper analyzed the hydrological alteration and extremes i...

  • Article
  • Open Access
5 Citations
7,523 Views
17 Pages

Environmental Impacts of Rainwater Harvesting Systems in Urban Areas Applying Life Cycle Assessment—LCA

  • Mariana P. da Silva,
  • Jorge González,
  • Bruno B. F. da Costa,
  • Claudia Garrido,
  • Carlos A. P. Soares and
  • Assed N. Haddad

10 April 2023

Climate change poses a series of challenges to water management to satisfy society’s current and future needs. Considering water an essential resource for life, this research is dedicated to comparing the environmental impacts caused by the con...

  • Article
  • Open Access
37 Citations
8,526 Views
15 Pages

5 August 2015

The current accelerated growth in demand for energy globally is confronted by water-resource limitations and hydrologic variability linked to climate change. The global spatial and temporal trends in water requirements for energy development and poli...

  • Article
  • Open Access
10 Citations
6,478 Views
18 Pages

17 June 2019

This article is dedicated to the design, calculation and dimensioning of a small powered refrigeration system (132W) which produces ice bars (freezing) using solar thermal power, and resorts to an intermittent cycle absorption circuit with a water-am...

  • Article
  • Open Access
4 Citations
14,611 Views
50 Pages

18 September 2009

The origin of life has previously been modeled by biological heat engines driven by thermal cycling, caused by suspension in convecting water. Here more complex heat engines are invoked to explain the origin of animals in the thermal gradient above a...

  • Article
  • Open Access
6 Citations
5,411 Views
17 Pages

10 February 2021

The increase in the use of aerated concrete blocks (AAB) in construction walls has increased the demand for specialized plastering mortar, which should have the characteristics of high water retention, low water absorption, low thermal conductivity a...

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