Document Type : Research Paper
Authors
1 Master of Science and College Professor
2 Scientific Expert of Ilam Province Organization of Meteorology
Abstract
One of the basic and most fundamental factors in the structure of the planet is the climate. There is no doubt that humans, living things and manifestations of life on the Earth are affected by climatic conditions and atmospheric phenomena. Inappropriate distribution of dry land and water, different latitudes, passage of atmospheric systems, heights and elevations covered by snow and ice, dry desert without water and grass, forests covered by trees,... In different regions of the planet, has created different climatic conditions, in such a way that in the broad geography of the world, atmospheric and hydrological hazards such as floods, storms, thunder and lightning, fatal cold, overwhelming heat, etc., annihilate thousands of humans and living organisms annually, or bring about many financial and environmental losses. In this regard, today's civilized human is releasing into the atmosphere millions of tons of carbon dioxide and toxic pollutants annually in order to gain industrial agriculture, so that greenhouse gases have formed a dark blanket on the ozone layer, and this harsh and fatal contamination has seriously threatened the lives of humans and living beings. Therefore, today's violent climate and humans have caused climatic changes in micro and macro climatic levels. Therefore, it is desirable and imperative to identify and investigate climatic changes and to prepare research plans in order to overcome the hydrological atmospheric hazards and to reduce and control pollution and human industrial toxicants.
Keywords
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