Water resource utilization and future supply–demand scenarios in energy cities of semi-arid regions

Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)

Published: Feb. 10, 2025

Analyzing the characteristics of water resource utilization and forecasting future supply–demand dynamics are great practical significance for planning allocation. This study focuses on challenges in energy cities located semi-arid regions, using Qingyang City as a case study. The demand various sectors was simulated projected, balance under different socioeconomic climate scenarios analyzed Shared Socioeconomic Pathways framework combined with model data. research addresses gap existing literature concerning analysis structures change provides scientific support regional sustainable development. results show that: (1) Over past 20 years, supply have exhibited significant growth trends, agricultural use continuously increasing, industrial fluctuating, domestic remaining stable, ecological growing significantly; (2) From 2024 to 2035, is projected substantially, being highly sensitive scenario configurations; (3) Under high economic scenarios, likely face severe shortages.

Language: Английский

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Pond water quality and its relation to fish yield and disease occurrence in small-scale aquaculture in arid areas

Heliyon, Journal Year: 2023, Volume and Issue: 9(6), P. e16753 - e16753

Published: May 26, 2023

The study was conducted to determine the associations between water availability and management practises with pond parameters in small-scale aquaculture arid areas. Further, determined fish yield disease incidence parameters. We visited 36 tilapia farmers Dodoma, a semi-arid region Tanzania, for interviews measurements of collected information about type, age, sources, feed fertilisation, stocking density, incidences. sources activities were tap water, boreholes, shallow wells. source linked water. On other hand, associated likelihood occurrence. Fish had non-linear relationship DO, turbidity, salinity, density linear association pH. To expand development areas, efficient use through integrated is recommended. Training good integration necessary ensure sustainable

Language: Английский

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Impact of climatic changes on future irrigation water requirement in the Middle East and North Africa's region: a case study of upper Egypt

Applied Water Science, Journal Year: 2023, Volume and Issue: 13(7)

Published: June 24, 2023

Abstract Freshwater shortages in the Middle East and North Africa's region (MENA) cause serious issues, while climate change causes even more issues. The current study examines how may impact future irrigation requirements Egypt's Upper Region using medium greenhouse emission RCP 4.5 high 8.5 scenarios. Based on Intergovernmental Panel Climate Change (IPCC) Fifth Assessment Report, climatic projections for RCPs years 2023–2080 2081–2100 were used to determine patterns of temperature rainfall upper Egypt territory. CROPWAT model was employed estimate reference evapotranspiration (ET o ) net water requirement (NIWR) territory key crops sugar cane, potatoes, berseem clover (alfalfa), dry bean, wheat, cotton, maize, tomato based predicted meteorological conditions. Five different scenarios crops' needs calculated. results reveal that under periods 2081–2100, respectively, overall NIWR all examined increases by 5.1 5.9% comparison (2022) total crops. analyzed 7.7 9.7% scenario contrast It is important consider changes resource management MENA region, such as applying modern systems, crop pattern rotation strategies with minimal demands, changing calendars or times locations cropping activities.

Language: Английский

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Novel concept for water scarcity quantification considering nonconventional and virtual water resources in arid countries: Application in Gulf Cooperation Council countries

The Science of The Total Environment, Journal Year: 2023, Volume and Issue: 882, P. 163473 - 163473

Published: April 17, 2023

Language: Английский

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Sustainable development goal 6 and the challenge of pipe-borne water connectivity in a growing tropical city: a case study

Discover Sustainability, Journal Year: 2024, Volume and Issue: 5(1)

Published: April 2, 2024

Abstract Water dams have been constructed in various regions across the globe to enhance access potable water. Among these, Aiba water reservoir, commissioned 1957, was envisioned as a pivotal source of treated for Iwo and its environs. Unfortunately, despite inauguration, primary objective ensuring sustainable reliable supply community remains unrealized date. This research seeks evaluate accessibility study area pipe-borne (PBW) discern driving forces through administration structured questionnaire 480 respondents out which 458 were retrieved analysis. The utilized both descriptive inferential statistics, employing Statistical Product Service Solutions (SPSS) version 23. respondent demographic revealed that 83.6% female, 18.4% claimed paying tariffs while 76.2% relied on groundwater their principal data showed diverse factors hindering PBW connectivity namely: Administrative bottlenecks (12%), 57% cited availability alternative sources reason not connecting PBW; 9% reported poor infrastructure PBW, 18% highlighted unreliability from Works (AWW). Further analysis Factor Analysis (FA) pinpointed three salient variables significantly influencing accessibility. These are proximity main network (42.557%); cost (22.275%); other (14.480%). findings underscored critical importance expanding network, given prevalent non-proximity most residences pipes. Moreover, suggests capacity building initiatives should be implemented economic well-being citizens, thereby fostering an improved quality life inhabitants studied area. In conclusion, this provides valuable insights into complexities surrounding offers practical recommendations realise SDG 6 by 2030. Graphical

Language: Английский

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Comprehensive Assessment of Drought Susceptibility Using Predictive Modeling, Climate Change Projections, and Land Use Dynamics for Sustainable Management

Land, Journal Year: 2025, Volume and Issue: 14(2), P. 337 - 337

Published: Feb. 7, 2025

This study assessed the drought susceptibility in Golestan Province, Northeastern Iran, using land use change modeling and climate projections from CMIP6 framework, under three Shared Socioeconomic Pathways (SSP1-2.6, SSP2-4.5, SSP5-8.5) for 2030–2050. The development of current (2022) future maps was based on agrometeorological sample points 14 environmental factors—such as use, precipitation, mean temperature, soil moisture, remote sensing-driven vegetation indices—used inputs into a machine learning model, maximum entropy. model showed very robust predictive capacity, with AUCs training test data 0.929 0.910, thus certifying model’s reliability. analysis identified major hotspots Gomishan Aqqala, where 66.12% 36.12% their areas, respectively, exhibited “very high” susceptibility. Projections SSP scenarios, particularly SSP5-8.5, indicate that risk will be most severe Maraveh Tappeh, 72.09% area exhibits risk. results revealed Province is at crossroads. Rising temperatures, exceeding 35 °C summer, combined declining rainfall, intensify agricultural hydrological droughts. These aggravated risks are compounded transitions rangelands to bare land, mostly Aqqala Gomishan, besides urban expansion Bandar-e Torkman Bandar Gaz, all which face less groundwater recharge increased surface runoff. Golestan’s vulnerability has both local regional impacts, its affecting neighboring communities ecosystems. Trade, migration, ecological stresses linked water resources may emerge critical challenges, requiring collaboration mitigation. Targeted interventions prioritizing sustainable practices, cooperation, collaborative strategies essential address mitigate these cascading safeguard vulnerable communities.

Language: Английский

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Potential Effects of Climate Change on Agricultural Water Resources in Riyadh Region, Saudi Arabia

Sustainability, Journal Year: 2023, Volume and Issue: 15(12), P. 9513 - 9513

Published: June 13, 2023

The water supply in Saudi Arabia is already depleted. Climate change will exacerbate the demand for these resources. This paper examines how climate affects demands of Arabia’s most important food crops: wheat, clover, vegetables, and dates. To reduce adverse impacts on crops’ productivity, as well their irrigation requirements (IWR), a number adaptation techniques were investigated. study was carried out Ar Riyadh region, Arabia, with cultivated area 179,730 ha. In this study, five models from Coupled Model Intercomparison Project Phase 6 (CMIP6) two Shared Socio-economic Pathways (SSPs), SSP2-4.5 SSP5-8.5, used to forecast investigate potential agricultural resources Al-Riyadh Region Arabia. simulate IWRs under present projected scenarios, CROPWAT8.0 used. results showed that maximum increase ratio 2100 respectively, be 4.46% 12.11% higher than current case (2020). temperatures increased by 12.11%, compared (2020), supporting past research Arabian Peninsula revealed both short- long-term temperature increases are anticipated considerable. Under ETo found 2.18% 6.35% 2100, respectively. Given evapotranspiration closely mirrors behavior region June August, our data suggest crop may mid long term. findings indicate Riyadh, capital commercial hub, require more irrigate land because expanding trend. growth requirement (GIWR) 3.1% 6.7% areas dates, maize, citrus, tomato, potato, other vegetables decrease 6.56%, 7.17%, 5.90%, 6.43%, 5.47%, 6.99%, 5.21%, 5.5%, 2100. Conversely, SSP2-4.5, 3.10%, 3.67%, 2.35%, 3.83%, 2.32%, 4.18%, 1.72%, 2.38% could aid clarifying GIWR Riyad, improving resource management planning.

Language: Английский

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Understanding future hydrologic challenges: Modelling the impact of climate change on river runoff in central Italy

Environmental Challenges, Journal Year: 2024, Volume and Issue: 15, P. 100899 - 100899

Published: March 24, 2024

Central Italy's diverse ecosystems and landscapes are susceptible to the Mediterranean climate change, affecting water resources riverine systems. Managing these is crucial for nation's sustainable development resilience. This research assesses potential long-term change impacts on river runoff in central highly regulated Aterno-Pescara River watershed. We simulate current future using Soil Water Assessment Tool (SWAT+). Climate projections from 5 Global Models (GCMs) under two emissions scenarios used quantify drought characteristic changes SWAT+ investigate (2015 – 2100) runoff. All GCMs predicted increasing daily temperature (up 0.6 °C decade−1 at 95% confidence level) decreasing precipitation trends (-16.4 mm decade−1), resulting negative (-0.036 m3s−1 decade−1). Uncertainties exist regarding variable magnitudes among scenarios. Analyzing 12-month standardized indices data revealed a strong correlation between (Pearson coefficient ranges 0.63 - 0.93 GCMs). The run-sum technique both showed frequent, severe, prolonged droughts, with meteorological droughts possibly lasting up 105 months (severity 163) hydrological exceeding 100 over 150). study provides insights policymakers, emphasizing need strategies addressing sustainability.

Language: Английский

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Rational Design of a Multifunctional Hydrogel Trap for Water and Fertilizer Capture: A Review

Journal of Agricultural and Food Chemistry, Journal Year: 2024, Volume and Issue: 72(31), P. 17176 - 17190

Published: July 27, 2024

Water scarcity and land infertility pose significant challenges to agricultural development, particularly in arid semiarid regions. Improving soil-water-retention capacity fertilizer utilization efficiency through the application of soil additives has become a pivotal approach practices. Hydrogels exhibit exceptional water absorption retention capabilities, making them extensively utilized fields agriculture, forestry, desert control. Currently, most reviews primarily focus on raw materials, classification, synthesis methods, prospects hydrogels, with limited attention given strategies for enhancing water-retention performance, mechanisms underlying absorption, environmental risks. This review covers commonly used cross-linking methods hydrogel structure-activity relationship between hydrogels as well fertilizer. Additionally, thorough analysis ecological benefits risks associated is presented. Finally, future are delineated from perspectives material design engineering applications.

Language: Английский

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Land reclamation projects in the Egyptian Western Desert: management of 1.5 million acres of groundwater irrigation

Water International, Journal Year: 2023, Volume and Issue: 48(2), P. 240 - 258

Published: Feb. 17, 2023

ABSTRACTABSTRACTThis study examines the primary issues that Egypt’s irrigated agriculture faces in land reclamation project Western Desert and potential solutions to ensure groundwater sustainability. Reduced quantity quality, low adoption rates of precision irrigation systems, increased energy for abstraction were recognized as challenges. Irrigation efficiency improvements, transitioning high water-use crops, wastewater reuse, monitoring have all been mentioned viable water management options maintaining well-planned use during project’s age (100 years). Adoption acceptance these ideas by farmers impacted agricultural regions will determine their success.KEYWORDS: Groundwater depletionNubian Sandstone Aquifer Systemirrigationgroundwater managementland projectsEgyptian Oases AcknowledgementsThe author is grateful technical logistical support provided Ministry Water Resources Egypt, with a view collecting data required complete this study.Disclosure statementNo conflict interest was reported author.

Language: Английский

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