in this paper, the potential of polarimetric sar data using target decomposition features to detect oil pollutions are evaluated. for this purpose, the values of power, phase and magnitude of all of the polarization channels (hh, vv, hv and vh) and decomposition features i.e. freeman, yamaguchi, vanzyl and krogager are computed. then, to detect oil pollutions, different combinations of these fe...

Purpose. Numerous studies of various film pollutions (oil spills, surfactants etc.) are performed by means satellite monitoring seas and oceans. However, the problem formal ranking water areas regions under study frequency intensity pollution is still unsolved. The conditions periodicity survey can differ greatly depending on region that determines both spatial variability probability detection...

Over the decades, application of heavy metals and expansion civilization resulted in severe pollutions aqueous solutions. The poor degradation toxic metal contaminants hydrosphere undoubtedly posed a huge threat to environmental safety biological health. In this review, as most common pollutants, arsenium (As), chromium (Cr), mercury (Hg), lead (Pb), strontium (Sr) were introduced detail. chemi...

Despite positive aspects of energy consumption, their negative externalities i.e., environmental pollutions, are considerable. Green taxes, paid for products and services that are not environmentally friendly, are recommended as an efficient way of improving health indices. Since, Iran is among the countries with high per capita consumption of energy, pollution can be a kind of threat. In this ...