The activity concentrations of 235U, 232Th, 226Ra, 40K and 137Cs in ground and surface of drinking water resources in Iranian city of Arak were determined by gamma ray spectrometry with aHPGe detector setup, coaxial p type and 8192 channels MCA. The water samples differed in radioactivity content depending on their origin and place. In the ...

natural resources protection not only depends on technology but also on local institutions and organizations. using local organizations like islamic rural councils (ircs) is an alternative to make a proper sustainable organizational framework for managing natural resources as they have the effective role in enhancing rural participation. hence, many countries seek to exhort and use the local pa...

Wastewater treatment technology in the cyclic nature of the process that takes a long time. But man tries to rush to their needs with experience and understanding of the natural processes of interaction, and using technology to build their Industrial development is authorized. Sewage treatment reed have been born from the vision of man's increasing need to water daily decreases the natural reso...

Drought as a natural but temporary imbalance of water availability is the interaction between natural environment and human life resulting in diminished water resources availability and reduced carrying capacity of the ecosystems. Drought indices are essential elements for an efficient drought monitoring system. These indices make the transforming information of climatic anomalies easier and al...

Compared to surface water, groundwater resources are the primary source of water supply in arid and semi-arid regions of Iran, hence the importance of the management of these resources .  In this regard, we assessed the effects of landuse changes on the qualitative and quantitative status of groundwater resources in Eshtehard region, Iran. Through processing and analyzing the satellite images, ...

introductionin the modern era of communication, by increasing population the resources would be relativelyscarce. therefore, in order to deal with environmental serious problems and complex humanclimaterelationship in all dimensions of spatiotemporal and land use planning and programmingpractices, the climatic zone map was a sustainable developmental tool in the study area.methodologythe climat...

production is termed as a complex process comprising of time and place factors interations. eficient managers may maximize their commercial profits through the recent mrjrture of the said factors. so plant location is an important ecrzptomk criterion and is applied as a guideline for the profit maximization. one of the salient point in market locatioa k the maximization of emency in national or...