using low quality water on agricultural lands in south of tehran has increased the risk of soil salinity and created problems for some agricultural crops. this study was carried out to determine of soil salinity distribution and to produce salinity map. the mapping of salinity can also identify the saline and non-saline regions that are very effective for land management and choosing kind of cr...

the handmade subterranean architectural structure is a special kind of architecture that is in its creation does not require any construction materials but it needs many efforts and hard working to be produced the different types of this kind are visible in the different parts of iran. a unique collection of this type of architecture is the troglodytic architectural complex of samen, located ab...

the identification of natural hazard prone areas for future planning requires an efficient decision support tool to provide the appropriate weights for the various topographical, geological, and seismological factors responsible for the expected hazards. in the present study, an analytical hierarchy process (ahp) with six earthquake hazard parameters (ehps) was used as a decision support system...

Abstract Sound generating human activities so-called “anthropogenic sound” have increased ambient sound levels considerably in aquatic habitats that are markedly diverse in time and space. Sound generating human activities is now recognized as a potential driver of environmental changes in marine habitats. Iran has 750 km coastline along the Caspian Sea located in the north and around 2250 km ...

painted rocks may be considered the oldest manifestation of art in human society. the history of this art is estimated to be more than 30 thousand years. this art has also a long history in iran. this article introduces one of these rock art sites i.e. ghalat niloo which is located in kazeroon county, south-east of ghalat niloo village. the purpose of this study is to identify and determine th...

this study mainly concentrates on metallurgical structure of the ferrous ancient crafts, specially the discovered ferrous man-made pieces in ilam which are aged more than 3000 years. the pieces were discovered in ize a town located in the south east of ahvaz , in the southern of iran. the crafts include an ferrous bar, a 3-side and a 4 side bayonets which were microscopically studied by electro...

groundwater quality regarding major anions and cations in the birjand plain located in the largest desert in eastern iran was monitored in this study. fifteen boreholes were considered as sampling stations and the parameters ph, tds, ec and major anions and cations were measured in groundwater samples. the dominant groundwater types can be introduced as sodium-chloride and magnesium-sulphate. t...