Visit to valuable water springs (128) Valuable water springs in upper and middle drainage basins of Tama River

River Basins: Water and Complex Adaptive Systems

Holy springs and holy water: underestimated sources of illness?

Use of holy springs and holy water is inherent in religious activities. Holy spring water is also used extensively for personal drinking water, although not assessed according to drinking water standards. Holy water in churches and chapels may cause infections via wetting of lips and sprinkling on persons. Our aim was to assess the microbiological and chemical water quality of holy springs and ...

Evaluation of the Valuable Oxygenated Components in Iranian Rose Water

Rose water is one of the most important products obtained from Rosa genus (Rosaceae). Although Iran is one of the main producers of rose water, limited research has been done on it. A simple distillation and a Clevenger-type apparatus were used to obtain rose water and rose oil. All the volatile concentrates were investigated for their chemical composition by gas chromatography (GC) and gas chr...

Water quality modelling for small river basins

Water quality modelling in small rivers is often considered unworthy from a practical and economic viewpoint. This paper shows instead that a simple model structure can be set up to describe the stationary water quality in small river basins in terms of carbon and nitrogen compounds, when the use of complex models is unfeasible. In short rivers point and nonpoint sources play a key role in shap...

Radioactivity Concentration in Sediment and Water Samples of Hot Springs of Mahallat and Soil Samples of Their Neighboring Environs

The activity concentrations of 226Ra, 232Th, 40K and 137Cs in water and sediment samples from hot springs of Mahallat and  soil samples from their neighboring environs  have been determined using two high resolution high purity germanium (HPGe) detectors with relative efficiencies 38.5% and 55%. The activity concentrations of 226Ra, 23...