English Meaning: The name Donne is an English baby name. In English the meaning of the name Donne is: Form of Donn. In mythology the Irish Donn was known as king of the underworld. The name Donne is a Welsh baby name. In Welsh the meaning of the name Donne is: Used in honor of 17th century poet John Donne.
In soil, macropores are defined as cavities that are larger than 75 Î¼m. Functionally, pores of this size host preferential soil solution flow and rapid transport of solutes and colloids.
Porosity or pore space refers to the volume of soil voids that can be filled by water and/or air. It is inversely related to bulk density. Porosity is calculated as a percentage of the soil volume: Loose, porous soils have lower bulk densities and greater porosities than tightly packed soils.