| An Introduction to Gravity Currents and Intrusions Subjects: Engineering & Technology; Mathematics & Statistics; Physical Sciences; Applied Mathematics; Mechanical Engineering; Physics; Fluid Mechanics; Plasmas & Fluids; Applied Mechanics; Gravity currents and intrusions are the ubiquitous phenomena where a fluid of one density flows horizontally into a fluid of a different density. For researchers and engineers, the ability to understand and predict these flow fields is essential in wide-ranging applications including those involved with atmospheric and ocean dynamics, the propagati |