“the Energy-water Nexus: Balancing Resource Demands”

“the Energy-water Nexus: Balancing Resource Demands” – Water and energy are the twin pillars of modern civilization. Water is fundamental to life, playing an important role in human health, food production, and various industrial processes.

Energy, on the other hand, powers our cities, generates transportation and drives the engines of industry and commerce.

“the Energy-water Nexus: Balancing Resource Demands”

Together, these resources support nearly every aspect of modern life, from our basic survival needs to the intricacies of our global economy.

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The term ‘Water-Energy Nexus’ refers to the inextricable link between our planet’s water and energy resources. These two sources are not only interrelated but interdependent.

For example, droughts that limit water availability can disrupt energy production, especially in water-intensive processes such as thermoelectric power generation or hydraulic fracturing for natural gas.

Conversely, power outages or energy price spikes can affect the ability to treat and distribute water, affecting everything from public health to food production.

Recognizing and navigating this interdependence is essential to ensure sustainable management of our precious water and energy resources.

The Framework Of Am Ct2fpm Ewens.

Energy production processes are usually quite water intensive. For example, in thermoelectric power plants, water is used mainly for cooling purposes.

These plants, including coal, natural gas and nuclear power stations, use large amounts of water to absorb and dissipate the heat produced in electricity generation.

Hydraulic fracturing, or fracking, another method of energy extraction, also requires large amounts of water. In this process, water mixed with sand and chemicals is injected into the soil at high pressure to…

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By Ahmad Hamidov Ahmad Hamidov Scilit Preprints.org Google Scholar 1, 2, * and Katharina Helming Katharina Helming Scilit Preprints.org Google Scholar 1, 3

Faculty of Landscape Management and Nature Conservation, Eberswalde University for Sustainable Development (HNEE), Schickler Straße 5, 16225 Eberswalde, Germany

The Global Nexus Of Food–trade–water Sustaining Environmental Flows By 2050

Received: 8 July 2020 / Revised: 29 July 2020 / Accepted: 31 July 2020 / Published: 4 August 2020

(This article belongs to Natural Resource Management Special Issues and Conflicts in the Context of Sustainability Transformation)

Irrigated agriculture is essential to meet the growing global demand for bio-based food and products. However, in water-scarce areas, the use of water for irrigation exacerbates the competition for water use for other purposes, such as energy production, drinking water and sanitation. Solutions for sustainable food production through irrigated agriculture require a systemic approach to assess benefits and trade-offs across sectors. Here, the water-energy-food (WEF) relationship has become an important concept in natural resource management. It has been conceptualized to analyze the relationships and exchanges between the three sectors, across temporal and spatial scales. However, the concept so far is mostly conceptual, with little empirical evidence or proof of concept in real-world cases. The objective of this paper is to take stock of the rapidly growing literature on the WEF relationship in irrigated agriculture, and to analyze how the concept is actually implemented in research studies, and how the relationship between water, food and energy is actually addressed. The study period is between 2011 to 2019, and includes 194 articles. The results show that the WEF nexus is indeed highly relevant in irrigated agriculture, and the respective literature constitutes one third of all WEF nexus papers. Modeling and empirical research has followed conceptual synthesis studies over the past four years, thereby demonstrating that the WEF nexus concept is indeed increasingly operational. However, most studies address the WEF relationship from the perspective of either socioeconomic, technological or environmental categories, and they put one of the water, food or energy dimensions to the foreground. To address sustainable development, there is a need to fully integrate across research disciplines and thematic dimensions. Such studies are just beginning to appear. These findings are an important evidence base for future WEF liaison research on irrigated agriculture, in supporting sustainable solutions for water-scarce areas, particularly in settings undergoing transformation.

Irrigated agriculture is a prime example of the water-energy-food (WEF) nexus, due to the strong competition between water used for energy generation and water used for food production in water-scarce areas of the world [1, 2, 3] . Communities have to choose, for example, between using land for food production or for renewable energy production, and between using fresh water for energy production or to irrigate crops. The components of WEF relationships are interconnected in irrigated agricultural systems, and sustainable system development requires effective and coordinated relationship management [4]. Here, we understand nexus as an approach that improving water, energy and food security can be achieved by integrating management and governance across sectors and scales of the WEF [5, 6].

The Land–energy–water Nexus Of Global Bioenergy Potentials From Abandoned Cropland

To understand the interconnectedness of the three sectors of water, energy and food to improve cross-sector coordination in support of sustainable development, the WEF relationship has become an important concept in natural resource management. It has been operationalized mainly to show the importance of the links between different sectors, as well as exchanges across temporal and spatial scales in large river basins. The main findings of this study show the need for robust governance [7], and the importance of actors and state politics at national and cross-border levels in reducing tensions across sectors [8, 9], as well as the effectiveness of formal institutions that manage exchange and interdependence in the approach nexus [10]. Integrating different modeling tools has also been proposed to provide sustainable WEF relationships at the scale of transboundary water flows [11]. However, criticism has arisen regarding the widespread attention that the WEF has attracted, as it is not yet a clear concept with an agreed and tested framework [12]. Existing WEF studies hardly address the three main sustainability issues related to irrigated agriculture, namely soil degradation, nutrient loading and the use of pesticides and chemical fertilizers [13, 14]. For example, agricultural soil quality is fundamental to food and biomass production, to store, filter, transform and recycle water and nutrients [15], and is a core component of the WEF.