GIS for Environmental GIS for Environmental ScienceScience

ENSC 3603ENSC 3603

Class 23Class 234/7/094/7/09

A GIS Example:A GIS Example:Identification of Potential Landfill Identification of Potential Landfill

Locations Locations The following example uses information from the

Center of Advanced Spatial Technologies (CAST)

http://www.cast.uark.edu/local/gis/landfill.html

Landfill Location Landfill Location

• Description:The Four-County Northwest Arkansas Regional Solid Waste Management District requested CAST to conduct a GIS study to see if there were suitable areas within Northwest Arkansas to locate a regional landfill.

EPA Landfill Location Restrictions EPA Landfill Location Restrictions Airport Safety - Bird hazardFloodplains - 100 year floodWetlands - ContaminationFault areas - Ground failure, landslides, structure

damageSeismic impact zones - Ground failure, landslides,

structure damageUnstable areas - Poor foundation, mass

movement, Karst terrains

EPA Solid Waste Disposal Facility Criteria Technical Manual

http://www.epa.gov/epaoswer/non-hw/muncpl/landfill/techman/intro.pdf

Landfill Location CriteriaLandfill Location Criteria

• Criteria provided by the Management District:No landfills within the following:

1) 500 feet of water intake sites2) 300 feet of incorporated areas3) 2 miles of designated streams

4) 10,000 feet an airport5) 12 miles of existing landfills

Landfill Location CriteriaLandfill Location Criteria

1) No landfills within 500 ft of water intake sites These areas are small, look carefully

Areas in Red NotSuitable

Landfill Location CriteriaLandfill Location Criteria

2) No landfills within 300 feet of incorporated areas

Areas in Red NotSuitable

Landfill Location CriteriaLandfill Location Criteria

3) No landfills within 2 miles of designated streams

Areas in Red NotSuitable

Landfill Location CriteriaLandfill Location Criteria

4) No landfills within 10,000 ft of an airport

Areas in Red NotSuitable

Landfill Location CriteriaLandfill Location Criteria

5) No landfills within 12 miles of existing landfills

Areas in Red NotSuitable

Landfill Location CriteriaLandfill Location Criteria

Areas not suitable based on criteria 1 through 4

Areas in Red NotSuitable

Landfill Location CriteriaLandfill Location Criteria

Areas not suitable based on criteria 1 through 5

Areas in Red NotSuitable

Tontitown LandfillTontitown Landfill

South of Tontitown, Arkansas

Tontitown LandfillTontitown Landfill

South of Tontitown, ArkansasLocal.live.com accessed 4/9/07

Another GIS Example:Another GIS Example:Identification of Potential Landfill Identification of Potential Landfill

Locations Locations California, Integrated Waste Management Board

Training. San Andreas, CA area.

Use Google Earth to find San Andreas, Ca.

Make sure 1st level admin. Borders and Populated Places are checked under layers.

Click on the following link for a Landfill slide set.

http://www.ciwmb.ca.gov/LEATraining/GIS/2005NovDec/LFSiting.ppt

Read and DoRead and Do

Review progress on your Project

• Quiz on April 16th

• It is amazing how fast people learn when they are not insulated from the consequences of their decisions.” Thomas Sowell

• "My grandfather once told me that there were two kinds of people: those who do the work and those who take the credit. He told me to try to be in the first group; there was much less competition." - Indira Gandhi