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.
Idealized soil schematic showing typical length scales and pore sizes. (a) Shows the macroscopic picture, a periodic arrangement of aggregates and air bubbles, (b) shows a zoomed in image of the aggregate scale, this is a single unit cell of the macroscale geometry showing the internal structure of the aggregate and (c) shows a zoomed in image of the microscale geometry inside the aggregate. (Online version in colour.)
