نتایج جستجو برای: the rivers entrance
تعداد نتایج: 16056479 فیلتر نتایج به سال:
Acoustic Tomography (AT) technique is an innovative method for real-time river monitoring. In this study, not only the accuracy of flow velocity measurement using 50 kHz AT system which is appropriate for narrow rivers (most Iranian rivers) is evaluated, but also its performance is compared with 30 kHz one which is used in wide rivers. The comparison results showed that the velocity resolutions...
Background and purpose: Shadegan wetland as the largest wetland in Iran is constantly exposed to hydrocarbons entering through the main entrance of the lagoon including Jarahi River, outbursts of seasonal rivers from upstream, Persian Gulf tides from downstream, atmospheric deposition, and possible leaks from oil pipelines. The aim of this study was to investigate toxicity and identifying the s...
identity, a series of traits and characteristics that makes a person or a member of the community come to a kind of “ recognition” about individuals and other communities; the city also, following the example of this criterion gains character and gets independent. identity in the city, through the creation and association with “public memories” of citizens causes the sense of interest and depen...
Nutrient inputs from rivers play an important role in lake eutrophication. To compare the forms characteristics of phosphorus (P) and nitrogen (N) in rivers flowing through rural and urban areas, water samples were collected seasonally from five urban rivers and six rural rivers flowing to Lake Chaohu, China. Higher total phosphorus (TP), particulate phosphorus (PP), soluble reactive phosphorus...
hydrographically bolivian poopó lake is located in the basin of desaguadero river and it has over a dozen main tributary rivers and other smaller rivers with lower flow. the mine water discharge from the abandoned and current mining activities polluted these rivers by carrying heavy metals, dissolved and suspended solids which in turn polluted the poopó lake which is considered as an important ...
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