Academic journal article International Review of Management and Business Research

The Analysis of the Clean Water Supply and Demand in the Water-Scarce Regions

Academic journal article International Review of Management and Business Research

The Analysis of the Clean Water Supply and Demand in the Water-Scarce Regions

Article excerpt

(ProQuest: ... denotes formulae omitted.)

Introduction

Water is an essential material for the survival of human beings and all living things. It is a very valuable natural resource for industrial and agricultural production, economic development, power generation, water transport, tourism and environment improvement, etc. 70% of the earth is covered with water, it can be said that the world runs on water, so clean and reliable water supply is not only for the benefit of mankind, but also for the survival of mankind.

According to the United Nations, 1.6 billion people (one quarter of the world's population) experience water scarcity. Water use has been growing at twice the rate of population over the last century. Humans require water resources for industrial, agricultural, and residential purposes. There are two primary causes for water scarcity: physical scarcity and economic scarcity. Physical scarcity is where there is inadequate water in a region to meet demand. Economic scarcity is where water exists but poor management and lack of infrastructure limits the availability of clean water. Many scientists see this water scarcity problem becoming exacerbated with climate change and population increase. The fact that water use is increasing at twice the rate of population suggests that there is another cause of scarcity - is it increasing rates of personal consumption, or increasing rates of industrial consumption, or increasing pollution which depletes the supply of fresh water, or what?1

Therefore, this study aims at analyzing what are the reasons for water scarcity, how to measure the supply and demand of water resources quantitatively, and how can we accurately predict future water availability.

Problem Statement and Analysis

In order to improve access to clean, fresh water, we divide the water-scarce problem into four small problems.

* Develop a model that provides a measure of the ability of a region to provide clean water to meet the needs of its population. Dynamic nature of the factors that affect both supply and demand need to be taken into account during modeling process.

* Pick one typical country where water is heavily overloaded. Explain why and how water is scarce in this region considering both the social and environmental drivers.

* Forecast what the water situation will be in 15 years of the chosen region. Discuss how this situation impact the lives of citizens of the region.

* Design an intervention plan taking all the drivers of water scarcity into account. Explain how the plan mitigate water scarcity. And project water availability into the future.1

Basic Assumption & Symbols Explanation

Basic Assumption

* The demand of water resources only to consider residential water, industrial water and agricultural water, because the proportion of the total water consumption of the ecological environment is very small, it is not to be consider here.

* Climate change will cause changes in rainfall, which will affect the surface water and groundwater. Because there is not much change in the climate of a region in the short term, we assume that the change in supply caused by climate change is negligible.

Symbols Explanation

Problem I Water Supply And Demand Evaluation Model

Problem Analysis

Combined with the idea flow chart (Fig. 1), we divide the water shortage into physical shortage and economic shortage. Classified the factors that will affect the physical and economic shortage from two angles of social and environment. Then giving further analysis of how these factors affect the supply and demand of water resources. According to the balance relationship between the demand and supply of clean water resources, we define the supply and demand balance index to quantitatively analyze the ability of a region to provide clean water.

The water demands is divided into residential water, industrial water and agricultural water, water resources supply is divided into natural water, seawater desalination, rainwater collection, reclaimed water and water transfer. …

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