This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: of saturation. Draw & label these layers using diagram on p. 241. Soil & rock holds water: A. Porosity – ratio of the volume of air space in the rock to the total volume of the rock. Large grained rocks & soil have greater porosity than small grained rocks or soil. B. Permeability – ability of rock to allow water to pass through. (A porous rock may not be permeable. It depends on the extent to which the pores are connected.) 1. Aquifer – a permeable rock layer that transports water underground. 2. Wells must be drilled into an aquifer. 3. Artesian well – pressure pushes water up out of the ground without a pump. Draw the aquifer pictured on p. 243....
View Full Document
This note was uploaded on 12/25/2011 for the course GEOG 123 taught by Professor Mitchelle during the Fall '10 term at Everglades.
- Fall '10