نتایج جستجو برای: ground water resources

تعداد نتایج: 919558  

2013
Yu Wang Qi Feng Lijuan Chen Tengfei Yu

The Ecological Water Transfer and Rehabilitation Project in the arid inland area of northwest China is an important measure in restoring a deteriorated ecosystem. However, the sustainability of the project is affected by many socio-economic factors. This article examines the attitudes of the local populace toward the project, its impact on the livelihood of the people, and the positive effects ...

2012
A. J. Wiltshire

Introduction Conclusions References

2012
Martha C. Anderson Richard G. Allen Anthony Morse William P. Kustas

2015
Qiting Zuo Runfang Jin Junxia Ma Guotao Cui

Harmony issues are widespread in human society and nature. To analyze these issues, harmony theory has been proposed as the main theoretical approach for the study of interpersonal relationships and relationships between humans and nature. Therefore, it is of great importance to study harmony theory. After briefly introducing the basic concepts of harmony theory, this paper expounds the five el...

2017
Sihan Zhao Hongchang Hu Fuqiang Tian Qiang Tie Lixin Wang Yaling Liu Chunxiang Shi

Stable isotopes in water (e.g., δ2H and δ18O) are important indicators of hydrological and ecological patterns and processes. Tap water can reflect integrated features of regional hydrological processes and human activities. China is a large country with significant meteorological and geographical variations. This report presents the first national-scale survey of Stable Isotopes in Tap Water (...

Journal: :Journal of environmental quality 2012
P A Chambers J M Culp E S Roberts M Bowerman

Global increases in consumption of chemical nutrients, application of pesticides, and water withdrawal to enhance agricultural yield have resulted in degraded water quality and reduced water availability. Efforts to safeguard or improve environmental conditions of agroecosystems have usually focused on managing on-farm activities to reduce materials loss and conserve habitat. Another management...

ژورنال: علوم آب و خاک 2019

Droughts are natural events and could lead to declining surface water quality of regional basin. Understanding the complex impacts of drought may help authorities to monitor changes in different regional basin and to make appropriate decision on development of a river basin management plan. In this study 20 years annual precipitation time series from 1994-2013 from 7 synoptic weather stations l...

Journal: :Journal of environmental management 2011
Martin Rygaard Philip J Binning Hans-Jørgen Albrechtsen

Urban water supplies are traditionally based on limited freshwater resources located outside the cities. However, a range of concepts and techniques to exploit alternative water resources has gained ground as water demands begin to exceed the freshwater available to cities. Based on 113 cases and 15 in-depth case studies, solutions used to increase water self-sufficiency in urban areas are anal...

Journal: :iranian journal of toxicology 0
سهیل سبحان اردکانی soheil sobhanardakani department of the environment, hamedan branch, islamic azad university, hamedan, iran.

background: due to the increasing pollution of water resources, this study was carried out for evaluation of water quality pollution indices for monitoring of heavy metals (as, zn, pb and cu) contamination in ghahavand plain, hamadan province, western iran during spring and summer 2012. methods: totally, 20 ground water wells were chosen randomly. the samples were filtered (0.45 μm) and maintai...

2016

Emerging as the mainstream of VLSI design, ASIC (ApplicationSpecific Integrated Circuit) technology is revolutionizing the design, manufacturing, and marketing practices in electronicsrelated industries [1]. Ground water is one of the important resource of water. In our country most of the people are depend upon it to fulfil their daily needs [2]. Since we have limited fresh water resources thu...

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