A Doctor of Philosophy degree is offered with a major in atmospheric and oceanic sciences. Candidates may enter with a Master's degree or for more qualified students, directly after earning a bachelor's degree. In atmospheric and oceanic sciences, classical physics is applied to describe the behavior of the fluids that compose the atmosphere/ocean/earth system. Influences of solar and terrestrial radiation, clouds and storms, natural and anthropogenic pollution, dynamical forces and turbulence can affect both the weather and longer climatic variations