temperature and precipitation are among important atmospheric parameters for watershed planning. assessment of temperature and precipitation trends is very important for future watershed planning. in this paper, trends of atmospheric parameters such as seasonal and annual temperature and precipitation were examined for the synoptic stations of bandar anzali, rasht, ramsar, babolsar and gorgan. ...

background: malaria is one of the most important parasitic diseases in tropical and temperate regions. the aim of this study was to determine the trend of malaria in mazandaran province, northern iran during 1997-2012. methods: this retrospective study was conducted from 1997 to 2012. the population's study was individuals who registered at health centers of mazandaran province. peripheral bloo...

large amounts of degradable wastes including sewage water and agricultural waste or nutrients that stimulate growth of organic matter are discharged into the caspian sea. as a result, average dissolved oxygen concentration in deeper layers is decreasing. this paper presents distribution and seasonal variations of the concentration of dissolved oxygen over the southern shelf of the caspian sea a...

urban parks have essential role in public welfare. their role could be observed in personal, socio-economic, environmental and mental wellbeing. provision of socio-mental needs of citizens and enhancement of social cohesion are contributed to the way of using urban open and green spaces which such issue requires elaborated planning and design. equal access to parks is an important issue in dist...

extended abstractintroductiontourism is an important tool of development for many countries. in the past, the development of tourism insisted on maximizing the profit of business owners and little attention was paid to the natural resources and community residents. but today the new paradigm of sustainable tourism development has emerged in the tourism literature. this paradigm is trying to imp...

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Bridges built from any material and having any special shape  will eventually show signs of wearing off; therefore, there are several factors in the kind and rate of such wearing off and its expansion such as atmosphere, flood, earthquake, overload, design quality, execution and kind of materials that will all reduce the functionality of the structures. Thus, maintaining processes and repairing...