نتایج جستجو برای: roopkund lake
تعداد نتایج: 42285 فیلتر نتایج به سال:
Introduction Urmia Lake is one of the word-scale large hypersaline lakes with about 5500 square kilometers in the Turkish-Iranian Plateau (NW Iran). The lake surrounded by mountains with a mean elevation of about 2000 meters and the highest peak of 4811 meters. The lake charge with 28 permanent and ephemeral rivers. As a result of anthropogenic and natural reasons, the lake exposed to the rapi...
â lake urmia, the third hyper-saline lake in the world and because of its climatic, economic, social and ecological/environmental importance is a populated region in iran. recently, severe drought periods and low water levels are causing problems in this lake. therefore, it is urgent and desirable to evaluate urmia water level fluctuations in a scientific ways. urmia lake water level the same ...
background: urmia lake, the second largest hyper-saline lake of the world, has experienced lack of water and other environmental issues in recent years. now, there is a danger of the lake drying out, which will affect the region and its inhabitants. this study aimed to present a model which can relate the water level of the lake to effective factors. methods: parameters that influence water lev...
the zerebar lake is a shallow freshwater lake located in the northwestern iran. the lake is surrounded by three human activities: agriculture, tourism and dam. the present study aimed to investigate (1) which human activity has the greatest impact on eutrophication of the zerebar lake (2) if phytoplankton communities, as the indicator, are correlated with the human activities. water samples wer...
During a survey of Gahar Lake and Gahar River from 2008 to 2009 some specimen obtained by seasonal sampling in 6 stations, 3 stations in the lake and 3 stations in the river. Three different methods were used for sampling, gill net and hook in the lake and electrofishing in the river. Due to the results 3 species from 2 families in Gahar Lake and 12 species form 3 families in Gahar River were...
introduction lake terraces are geomorphological evidence of climate change during quaternary. location of these terraces location in different elevation shows paleo water lake level fluctuations. investigation about urmia lake terraces was conducted by bobek (1973).he found those terraces in 45-55 meter above urmia water level on that time. according to bobek, development of lake area in paleo ...
Introduction Many factors controlling atmospheric parameters, includes lake and seas, mountains, urban areas and etc. One of this factors is land cover. If the land cover is changing, then the nature of climate will change. One of the important part of land cove are aquatic bodies. Lakes are considered as natural controls on temperature, rain fall and moisture regime in interior continents. ...
S | POSTER PRESENTATIONS .................................................................................................... 5-23 WHY UNDERGRADUATE RESEARCH? ...........................................................................................................24
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