in order to investigate deformation history preserved in the calcite twins in the hinterland of zagros, several samples have been collected from calcschists of the paleozoic sargaz complex in the faryab area, se iran. these samples are related to f1-recumbent folding and thrust shear zones. the twin width is about 1 and 3.8 µm (thin-twin regime); the twin strain amounts 5 and 10%; twin intensit...

it is accepted that noise pollution has a major impact on health, such as physical, physiological, psychological and performance related effects, all over the world. this study aims to evaluate noise pollution in four urban parks located in sanandaj city, iran and to zone it in gis environment. sound pressure level (spl) and maximum sound level (lmax) were measured at 45 points (each point was ...

particular factors play major roles in the development of urban tourism. cities with a plethora of tourist attractions and facilities often attract a large number of tourists. therefore, to pave the ground for developing urban tourism facilities, first it is essential to identify attractions and resources and then to assess and prioritize them. the existence of various attractions and the geogr...

A main challenge for the design and building of green and smart cities is the redevelopment of existing built environments. This research investigates the usefulness of urban district sustainability evaluation systems in informing and guiding urban redevelopment projects. The German DGNB Urban District (DGNB UD) sustainability assessment and certification system has been chosen among others due...

This paper looks at parking policy in dense urban districts (“downtown”), where spatial competition between parking garages is a key feature. The paper has four parts. The first looks at the “parking garage operator’s problem”. The second derives the equilibrium in the parking garage market when there is no on-street parking, compares the equilibrium to the social optimum, and examines parking ...

Noise pollution is a major problem for the quality of life in urban areas. The present study was conducted to determine the noise levels of road traffic at central area of Tehran. It focused on one of the busy and crowded square along with its 7 connecting streets, which had a heavy traffic and located in the downtown of the city. Total of 115 measuring points were selected along the roads, pav...

As a faculty member who is teaching students in the main hospital of coronavirus - Tohid Sanandaj, Iran. I want to share my experiences confronting chest CT COVID-19 patients. What we saw these patients was different percentage lung involvement blood groups. The with group O noticeably higher than other Unfortunately, high outpatients were old and unaware their group, therefore cannot claim tha...

Abstract Urban geology analyses natural risks and promotes geoheritage in urban areas. In the cities, characterized by a high cultural value, hypogean artificial cavities, often present downtown, offer unique opportunity to show geological substratum. Moreover, these places could be point of interest trekking with abiotic component landscape as topic (geotourism). To investigate areas, rigorous...

tourmaline can be found as an accessory mineral in a variety of rocks including leucogranite, pegmatite, quartz veins, and metamorphiccountry rocks in hajiabad-dehgah area in se of boroujerd city. tourmaline in pegmatites is coarse-grained, subhedral to euhedral, anddisplays strong to moderate pleochroic blue rimmed by olive green. in contrast, tourmalines from leucogranite, quartz-veins, and h...