نتایج جستجو برای: zayanderood river
تعداد نتایج: 83556 فیلتر نتایج به سال:
One of the efficient factors in comprehensive development of an area is to provide water sources and on the other hand the appropriate management of them. Population growth and nourishment security for such a population necessitate the achievement of constant development besides the reforming of traditional management in order to increase the profit of sources; In this case, the constant exploi...
background: rivers and streams are important sources of surface waters. water quality of these resources depends on many factors including hydrologic, physicochemical and biological factors. these resources are important in terms of social, economic and political development.. zayanderood river is the only river in central basin of iran that has permanent fresh water. this river has an importan...
The elements Fe, Cu, Mn, Zn, Cr, Ni, Pb and Cd were determined in the meat and skin of fish by Atomic Absorption Spectroscopy (AAS). The fish were grown in treated wastewater, Zayanderood river, and fisheries of Flavarjan and Babolsar. Arsenic and mercury in the samples were analyzed by Inductively Coupled Plasma Emission Spectroscopy and Cold Vapor AAS, respectively. The concentration of t...
Water is the key of national development. Wherever a spring has been dried out or a river has changed its course, the area’s people have migrated and have been scattered and the area’s civilization has lost its brilliance. Today, air pollution, global warming and ozone layer damage are as the problems of countries, but certainly in the next decade the shortage and pollution of waters will be im...
One of the most important rivers in central parts of Iran which has the major effects in the ecology of region is named “Zayanderood”. This river divides Isfahan city into north and south parts. “Sheikh Bahaee” (one of the most famous Iranian scientists) designed an intelligent water network (cannels derived from Zayanderood and passed through Isfahan city). The innovative and intelligent const...
Nowadays, environmental pollutions especially water pollution is increasingly developing. One of the problems of entering the pollutants to rivers is reduction in the concentration of river dissolved oxygen. In order to manage the water resources, amount of dissolved oxygen should be predicted. This study presents a novel equation for simulating the concentration of river dissolved oxygen by ad...
Introduction:Groundwater resources are as one of the most important water resource in arid and semi- arid areas, thenprotection of their qualityis very important. On the other hand, monitoring andevaluating the groundwaterqualityarecomplex andexpensive, so usinginterpolation methodslooknecessary. Methods: Inthisresearch, thespatial and temporalvariationsofwaterqualityparametersinKoohpaye– Segz...
background: zayandeh-rood river is the only perennial river in the central basin of iran that has fresh water. water from this source is used for drinking, industrial and agricultural purposes. drinking water is extracted from upstream portion (upstream of chamaseman dam) of zayandeh-rood river and therefore its quality is very important. due to growth of population, industry and other factors,...
introduction zayanderood basin is one of the major internal river basins in the central iran, where zayanderood river is the only permanent river. fluctuations in rainfall in recent years have affected different areas of iran. because of the dependence of the provinces of isfahan, yazd, and kerman on water resources of this basin, changes and fluctuations in precipitation within this watershed ...
necessary for mental and physical health of citizens and members of urban society- especially metropolitans- is to enjoy favorite, interesting and beautiful spaces. undoubtedly, in metropolitans like isfahan and ahwaz which lack of useful and available urban lands makes the development of such spaces limited, riversides could perform such a role because of different humanistic and natural reaso...
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