نتایج جستجو برای: drinking water resources

تعداد نتایج: 815337  

2013
Sandeep S Nerkar Ashok J Tamhankar Eva Johansson Cecilia Stålsby Lundborg

BACKGROUND Tribal people in India, as in other parts of the world, reside mostly in forests and/or hilly terrains. Water scarcity and health problems related to it are their prime concern. Watershed management can contribute to resolve their health related problems and can put them on a path of socio-economic development. Integrated management of land, water and biomass resources within a water...

2009
Erhan Alparslan H. Gonca Coskun Ugur Alganci

This study focuses on the analysis of the Landsat-5 TM + SPOT-Pan (1992), IRS-1C/D LISS + Pan (2000), and Landsat-5 TM (2006) satellite images that reflect the drastic land use/land cover changes in the Küçükçekmece Lake region, Istanbul. Landsat-5 TM satellite data dated 2006 was used for mapping water quality. A multiple regression analysis was carried out between the unitless planetary refle...

Introduction: Accessibility to safe drinking water is an important human health issue, so water reuse and water resources management are critical in arid parts of developing  regions. This study aimed to investigate the use of a combined simple designed solar geyser/photocell for drinking water disinfection. Materials and Methods: In this study, a solar geyser with a simple design was combined...

ژورنال: طلوع بهداشت یزد 2013
تقوا, فاطمه , حیدری, محمدرضا , دوانی, رحیم,

  Background: The widespread use of detergents on the one hand and the lack of disposal on the other hand, increases the possibility of these materials to groundwater. In addition to causing toxicity in animals these materials also cause allergic diseases in people. The purpose of this study was to determine the amount of detergent in drinking water in the city of Shiraz.   Methods: In this cro...

Nowadays, it is vital to pay attention more seriously to the urban environmental risks because of its effects on citizens' lives. One of these problems is groundwater pollution which threatens much valuable water resources. Drinking water in Qom City is provided from different resources, such as watersheds and water wells which are located within the city. Although there is a shortage of water ...

In the present study, the water quality of Silakhor River, located in Rahim Abad hydrometric station, was analyzed based on Boron, Iron, Nickel, Fluorine, Manganese, Chromium, Cadmium, Aluminum, Copper, Zinc and Lead pollution. The samples were collected from Silakhor River in Rahim Abad hydrometric station during a one-year period, from December 2012 to November 2013. In addition, metal index ...

2013
C. Govindasamy

Rivers and Lake are most important water resource in India for purpose like drinking water supplies, irrigation and fisheries. The inland fresh water ecosystem, both lentic and lotic contributes a greater fraction towards the available water resource on the planet which, is now being increasingly subjected to greater stress from various human activities. Present investigation indicated that, Pu...

A Arab ali A.A Keshtkar GH.R Roshandel N Behnampour S Besharat SH Semnani

Background & Aims: Esophageal and gastric cancers are among prevalent cancers in the world and it is believed that nitrate and nitrite contaminations of drinking water are important factors in increasing the risk of these cancers. This study was designed to determine the correlations between these factors and upper gastrointestinal cancers. Methods: In this ecologic study, mean concentrations o...

Fluoride in drinking water has a profound effect on teeth. Since drinking water is an important source of fluoride, the evaluation of the fluoride content of water resources is necessary. Temporal variations and spatial distribution of fluoride in drinking water of some selected parts of Kurdistan Province, Iran, have been studied using geographic information system (GIS) techniques. Thus, 40 v...

Journal: :journal of sciences, islamic republic of iran 2014
f. iranmanesh a. shafiei bafti a. negarestani m. malakootian

the presence of radon in drinking water causes health risks associated with exposure from both inhalation and ingestion. since the studies show that faults near the water resources have a critical effect on the concentration of radon, kouhbanan active fault zone, to find water resources  with high radon concentration was chosen for the following investigation. water samples were taken from all ...

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