Social and Economic Value Evaluation of Water Resource Based on Fuzzy Mathematics and Emergy Theory

Water resources is one of the important drivers of socio-economic development, but the value of water resources in society is not clear. In order to accurately describe the impact of water resources on socio-economic value, a socio-economic value evaluation index system for water resources is established. This paper is based on the theory of utility value of water resources. Discussed how to use fuzzy mathematics and benefit sharing coefficient method to calculate the socio-economic value of water resources in different industries. Take the Golog Zang A.P in the source region of the Yellow River as an example. Calculated the socio-economic value of water resources for residential life, irrigation planting, industry, construction and tertiary industry. Finally, analysis results show that the value of comprehensive water resources in the study area is between 9.4-40CNY, tertiary industry highest, lowest value for domestic water. The calculation results provide a reference for the rational and efficient use of regional water resources and the scientific formulation of water resources policies.

Potential Economic Value of Water Resource Sustainability for Sustainable Environment: A Case Study in South Sumatra, Indonesia

Effective water resource management offers a very significant value across social, economic, commercial and environmental application. For this fundamental reason, adequate sustainability becomes equally crucial. Therefore, activities geared towards the depletion in quantity, quality, and loss of potable water resources, particularly for communities, demand urgent reconsiderations. Erosion in coal mining land causes depletion in water quantity and quality, as well as inadequate drinking water resources for surrounding communities, making water resources unsustainable. Meanwhile, reclamation reduces erosion, but is unable to restore water depletion optimally, thus, these resources remain unsustainable. these resources remain unsustainable. However, recycling depleted water utilization for drinking provides economic value for the environment, as well as the community’s drinking water resources’ availability and sustainability. The objectives of this study were to develop water resource sustainability concept for a sustainable environment by analyzing the potential economic value and secondly, calculate the water resource value due to erosion, reclamation, domestic and economic importance, by recycling efforts. The method used in this study was the Extended NPV. Furthermore, the total potential economic value of water resources loss resulting in water resource unsustainability was IDR 1,137,621,671,375 or IDR 1.14 trillion, while the potential economic value of depleted water utilization for drinking was IDR 2,298,339,797,000 or IDR 2.3 trillion. Therefore, this utilization provides potential economic value worth IDR 1.16 trillion, for the resources’ sustainability in the TAL area of PTBA. The study’s results found and recommended depleted water utilization for drinking as a suitable method to replace water resources lost due to erosion, community drinking water resource loss, and to discover a sustainable environment’s water resources sustainability concept. In addition, the study formulates environmental economics as a new mining science related to natural resource economics as well as mining, for sustainable water resources and mining environment.

Valuation of water purification service of Renukawetland, India: A Ramsar site

Wetlands are very important ecosystems from the ecological, productivity and conservation perspective. Economic valuation of ecosystem services provided by wetlandsquantifies the various benefits derived from wetlands and puts a value on their conservation. One such wetland of importance is the Renuka wetland, which is a natural wetland located in the Western Himalayas, in the State of Himachal Pradesh of India. The article aims to assess and evaluate the wetland for its water purification service. The study is based on multisource data and conventional evaluation method. The results show that the average depth of the Renuka wetland is 6.01 m and average volume was determined as 1072530.176 m3. The economic value of water purification service for Renuka wetland is estimated to be INR 31.9 million(0.44 million USD) thus identifying the Renuka wetland as a significant healthy ecosystem. The water purification value itself advocates its proper management and conservation.

¿Ayudan los libros de texto a comprender la realidad fluvial de la ciudad?

Resumen: Se analiza el tratamiento de la idea de río y sus relaciones con la ciudad en los libros de texto de Educación Secundaria, con el fin de valorar su influencia en la comprensión de los fenómenos fluviales en entornos urbanos por los escolares. Se han revisado textos de ciencias naturales y ciencias sociales de uso frecuente en España y se han sometido a análisis de contenido mediante selección y tratamiento de unidades de información, siguiendo un sistema de categorías relacionadas con el concepto de río y su interacción con la ciudad. Se concluye que la relación ciudad-río tiene escasa presencia en los libros de texto, está marcada por el valor económico del agua, el río como amenaza y en el ahorro doméstico como único compromiso. Esta visión mercantilista, antropocéntrica y superficial no facilita el aprendizaje crítico de la realidad ni ayuda al cambio necesario en las relaciones de las ciudades con sus ríos.Abstract: The treatment of the idea of river and its relations with the city is analyzed in Secondary Education textbooks, in order to assess its influence on the understanding of fluvial phenomena in urban environments by schoolchildren. Texts of natural sciences and social sciences of frequent use in Spain have been reviewed and have been subjected to content analysis by selection and treatment of information units, following a system of categories related to the river concept and its interaction with the city. It is concluded that the relationship city-river has little presence in textbooks, is marked by the economic value of water, the river as a threat and in domestic savings as the only commitment. This mercantilist, anthropocentric and superficial vision does not facilitate the critical learning of reality or help the necessary change in the relationships between cities and their rivers.

The value of surface water resources in the socio-economic development of Ho Chi Minh City

Surface water sources in Ho Chi Minh City (HCMC) are being exploited for various purposes such as water supply for daily life, industry and services ; irrigation, animal husbandry, aquaculture ; navigation, environmental landscaping, waste reception and assimilation, etc. Each of these uses has its own benefits and values. However, up to now, the economic value of these water resources has not been fully appreciated and evaluated objectively. This paper presents an overview of the economic value of water resources and the economic valuation of some of the typical value types used in HCMC by 2016, including use for living, industrial, service, irrigation, transportation and environmental landscape.