Land Pollution

1
Land Pollution

• Ms. Morris

2
Land Pollution Overview

• Historically, land is a dumping ground for waste
• 6 billion tons of waste produced each year
• Agricultural
• Commercial
• Industrial
• Domestic
• Normally, not a problem if disposed of properly

3
If Improperly Disposed of

• Household wastes breeding ground for rats,
  flies, mosquitoes
• One quart used motor oil contaminates 100,000s
  gallons of drinking water
• Leachate liquid that results when water moves
  through any non-water media and collects
  contaminants

4
Soils

• Land earth soil
• Soil is critical to life
• Plants get nutrients from soil
• Animals get nutrients from plants

5
Soil

• Four major components
• Mineral particles (rocks and clays)
• Organic matter
• Water
• Air
• Soils vary in different aspects
• Color
• Thickness
• Layers
• Amount of clay, salt, organic matter

6
Soil

• Factors affecting how fast pollutants move
  through soil
• Soil composition
• Soil structure
• Pore sizes
• Amount of organic matter
• All Soil profile

7
Image www.lee-county.com

• O Horizon Organic matter
• A Horizon Top soil
• B Horizon Subsoil
• C Horizon Parent Material

8
Questions

• Define a leachate.
• List the four major soil components.
• Explain why soil is critical to all life forms.
• Turn in to Ms. Morris by the end of the day (10
  Points).