نتایج جستجو برای: rainwater
تعداد نتایج: 2732 فیلتر نتایج به سال:
Background and Objective: Important information can be obtained about the sources of pollutants in the atmosphere by studying the concentration of heavy metals in atmospheric precipitation.. Therefore, in this study concentrations of Pb, Zn and Cu were measured in samples of urban watershed of Bojnourd in autumn and spring seasons to help urban managers to control pollution in Bojnourd area. M...
Rain simulators are suitable tools for research related to the process of erosion and runoff. However, it is possible to use these simulators on other topics as well. For example, in designing the rainwater catchment systems such as micro-catchments for planting trees on slopes, curve pits in pastures, and determining the size of the water collection pond, knowledge of runoff coefficient and vo...
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