Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Two-dimensional flow field of the vortex street behind an island. The white rectangular area above the island (grey cylinder) sketches an upwelling region, while the arrows symbolize the Ekman flow uE perpendicular to the unperturbed flow of strength u0. (b) Schematic of the biological model.
