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Atmospheric Science

March 22, 2013

Introduction:

The atmosphere is the liquid in which we live. It impacts our environmental circumstances considerably, whether by managing the amount of energy the Earth’s surface gets from the sun or by managing our weather and climate. As an essential and important part of the Earth System, the environment communicates substantially with the sea and land by exchanging energy, strength, and track gases, as well as identifying the environmental circumstances for living organism in terrestrial and sea environments.

The most pressing environmental issues experiencing human community require a knowing of atmospheric sciences, including:

An image displaying the Cliamte Change•             Climate change

•             Air pollution

•             Water supply

•             Severe weather

•             Stratospheric ozone

Climate Change:

The planet is enclosed by a blanket of gases which keeps the surface of the earth warm and able to sustain life. This blanket is getting wider, holding in heat as we launch green house gases by burning energy sources for energy.

Air pollution:

Air pollution occurs when the air contains dust, fumes or odour in harmful amounts, in which they are harmful to health of human beings and animals. The substances cause air pollution is called pollutants. Pollutants that are injected into our environment and directly pollute the atmosphere called as primary pollutants.

Land Atmosphere interaction

The land and the atmosphere form a paired dynamical system in many ways. For instance, evapotranspiration produces latent heat for generating buoyancy-related environmental activities, the land surface enforces move on environmental winds, and additional sensible heating from urban areas(“urban heat island effect”) pushes atmospheric circulations.

Atmospheric Modeling Issues

Due to the range and complexness of the atmosphere, most tests of the atmosphere cannot be carried out within the laboratory. A highly effective alternative is to use the computer as a “virtual laboratory” and perform designs with mathematical designs comprising the atmosphere.

Atmospheric phenomena whose mathematical representations are especially unclear consist of convective activities, pollutant dispersion/mixing, and communications with plants on the land surface.

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