Internal Wave
Internal waves are oscillations that occur within a fluid, such as water, rather than on its surface. These waves typically form at the interface between layers of different densities, often due to variations in temperature or salinity. They can be generated by factors like wind, tides, or the movement of currents.
These waves can travel long distances and can be quite large, sometimes reaching heights of several meters. Internal waves play a significant role in mixing ocean waters, influencing marine ecosystems, and affecting underwater navigation. They are also studied in relation to phenomena like ocean currents and climate change.