Introduction to the Special Issue on Upper Ocean Processes: Peter Niiler's Contributions and Inspirations

Vision, knowledge, intuition, ingenuity, passion—the list could go on and on and still seem inadequate to describe the talents and the rich, complex personality of Pearn Peter Niiler (b. 1937, Tartu, Estonia, and d. 2010, San Diego, California). A world-renowned authority on ocean currents, his legacy will continue to exert a profound influence on the way we observe the ocean for many years to come.