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S Water and G Water

Unit 1 Lesson 3

Surface Water Water from above Earth's surface which is found in lakes, streams, and ponds.
Ground Water The water that is found underground that most of the U.S.'s water comes from.
Water Table The upper boundary or surface of groundwater and is the top border of groundwater in an area.
channel The path that a stream or river follows, and over time the channel may change width and depth due to erosion.
tributary A smaller stream that feeds into a river and eventually a river system.
watershed An area of land that is drained by a river system and streams, rivers, lakes, ponds, and groundwater all contribute to this.
divide A ridge or area of higher ground that seperates watersheds.
gradient A measure of the change in elevation over a certain distance that describes the steepness or slope of the land.
aquifer A body of rock or sediment that stores groundwater allows it to flow, or is like a giant underground sponge that holds the groundwater.
porosity The measure of storage space available in an aquifer.
permeability The measure of how easy water can flow through an aquifer. The more connenections the higer the permability.
Created by: ian.rosales