Dust and Effects

The spread of dust has disrupted people''s lives in many cities in Iran Iraq Kuwait and Saudi Arabia. On days when dust is flowing in the air. The number of deaths increases. The number of respiratory patients in hospitals is added dust can contain toxic and dangerous metals. Many human activities in nature have caused the drying of wetlands lakes and the destruction of the land. The Earth''s crust is eroding and the dust clouds are scattered into the air. In this book the results and stages of the two scientific types of research have been presented. In the first research the impact of dust on water resources has been investigated. In the second study lead and mercury levels have been investigated in the remaining deposits of dry lakes. Drought lakes are important sources of dust.