Daily Review #5 19. Define pathogen, point and nonpoint pollution 20. Describe 3 ways we can/do decrease water pollution 21. Give an example of point and nonpoint pollution 22. Why should we be concerned about the ocean when we live thousands of miles from it? End
Desalinization Process Distillation Reverse osmosis Energy intensive
Fire Triangles Fuel – Heat – Oxygen Fire Behavior Topography Weather Fuels
Fire Types Natural Human-caused Prescribed Crown Ground Spotting Backfire Blow-up Firestorm
Fire Suppression Firelines Backfires Water drop Fire retardants Colored dye Chemicals Clay
Firefighting Jobs Mostly seasonal Engine crew Helicopters Transportation Drop water or retardant Mapping technology Hotshots Handcrews Smokejumpers Airplanes Fire lookout Support personnel
1988 Fire Statistics 9 human caused 42 lighting caused 36% of park effected 63% of burned area due to fires started outside park 300 large mammals died $120 million spent fighting 25,000 people involved