1. River Colorado

2. The Colorado watershed…

3. Quick facts… Source : La Poudre Pass Lake in the Rocky Mountains Mouth: Gulf of California Basin countries : United States, Mexico Length: 2,330 km Source elevation : approximately 2700 m Average discharge : 620 m³/s Basin Area: 629,100 km²

4. Spatial Dimension Source Mouth Upper Course Middle course Lower course

5. Tributaries of Colorado river Colorado has tributaries form the east ad west of the United States. The Virgin, Kanab, Paria, Escalante, Dirty Devil and Green rivers from the west. The Little Colorado, San Juan, Dolores and Gunnison from the east.

6. Course trajectory Colorado and its tributaries flows through the Great Basin, Sonoran (eastern side) and the Mojave (western side) desert. Born about 10 000 feet in the Rocky Mountains and flows about 1, 470 mile South west to the Gulf of California ( the Sea of Cortez).

7. Major Challenges StrengthsWeaknesses Great volume: 9.5 million horse power Numerous fractured zones Carving spectacular wonders of the planet. Less biodiversity due to pollution ThreatsOpportunity Flood : 1905, Salton Sea creation Irrigation Pollution: Sewage, radiation and rocket fuel. Hydroelectric power Recreation

8. Employed management strategies More than 20 dams have been built on the Colorado and its tributaries. Levee construction