Personal water consumption benchmarks for Mosaic groups : take Hong Kong as an example

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Personal water consumption benchmarks for Mosaic groups : take Hong Kong as an example

 

Author: Li, Yaoming
Title: Personal water consumption benchmarks for Mosaic groups : take Hong Kong as an example
Degree: M.Eng.
Year: 2015
Subject: Water conservation.
Water consumption -- China -- Hong Kong -- Statistics.
Water consumption -- China -- Hong Kong.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Building Services Engineering
Pages: vi, 60 pages : color illustrations
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b2826138
URI: http://theses.lib.polyu.edu.hk/handle/200/8230
Abstract: Global researchers concern more and more about the water scarcity problem. While the extent of water shortage is various among areas. It is vital to consider the geo-demographics of certain area before proposing solutions. This research aims to pursue water conservation approach by estimating personal water consumption benchmarks in Hong Kong of different population groups with certain characteristics each. By analyzing the existing water policies in Hong Kong, we found that there existed two obstacles for water conservation: low price of freshwater and overestimating the imports of Dongjiang water.Using the Monte Carlo simulations, the first part addressed the problem of how to evaluate personal daily water consumption benchmarks for Mosaic groups. Those people in the same group share similar demographic and socio-economic characteristics. Then we went further to obtain the probability density distribution function of total water demand in Hong Kong per year.The second part discussed proposals of water tariff system by applying benchmarks. The aims of improved system are to provide access for lower income households with an affordable amount of water sufficient to cover their basic need, and also the financial pressure for higher income households to reduce their water usage. In order to examine the efficiency of water tariff system, an expended linear expenditure system (ESEL) is applied to evaluate the impact of marginal price on water consumption.Conclusively, water consumption benchmarks distribution would be different among Mosaic groups in Hong Kong. The estimated values of annual water consumption in Hong Kong is proved to be well matched to actual water consumption. And the improved water tariff system could be helpful for water management.

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