Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA...
Transcript of Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA...
![Page 1: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/1.jpg)
Watering the Sun Corridor
I. The Sun Corridor&
II. Sources of Water
1
![Page 2: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/2.jpg)
2
http://morrisoninstitute.asu.edu/
![Page 3: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/3.jpg)
3
![Page 4: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/4.jpg)
Morrison Institute, ASU4
![Page 5: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/5.jpg)
5
![Page 6: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/6.jpg)
6
![Page 7: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/7.jpg)
2011
7
![Page 8: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/8.jpg)
8
![Page 9: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/9.jpg)
Questions
• What is a megapolitan area?• Why do Phx & Tus compete so fiercely?• What has to change for this to stop?• Sustainability tied to:
– Water resources– Pop. growth vs. quality of life
• What are possible growth scenarios?
HWR415 The University of Arizona 9
![Page 10: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/10.jpg)
Major Assumption
• Three county area treated as one unit
• Why?
• What could be done to encourage greater cooperation?
HWR415 The University of Arizona 10
![Page 11: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/11.jpg)
11
![Page 12: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/12.jpg)
Are we missing anything?
12
![Page 13: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/13.jpg)
Lower Basin AllocationCA 4.4 MafAZ 2.8 MafNV 0.3 Maf
Arizona’s CR AllocationCR Indian Tribes ~0.7 MafYuma Ag/ID ~0.6 MafCAWCD/CAP 1.50 Maf
13
![Page 14: Watering the Sun Corridor - Sahraweb.sahra.arizona.edu/education2/hwr415/WSC/WateringSun... · CA 4.4 Maf AZ 2.8 Maf NV 0.3 Maf Arizona’s CR ... examining critical Arizona and regional](https://reader034.fdocuments.us/reader034/viewer/2022051900/5feec904d4a5d9124132abf4/html5/thumbnails/14.jpg)
10 Things we should know…1. Rainfall ≠ Water supply2. Avg renewable supply ~2.5 Maf; but sig. variability3. Storage holds 4‐5 yrs use4. Climate change may reduce supplies by 15%5. Ag use > 50%; can be used to buffer drought6. Despite considerable GW regs, “safe yield” a challenge7. GPCD has been decreasing since 1980’s8. Reuse of urban water a sig. growing resource9. 2.4 Maf = 9.5 M residents but no Ag.10. Won’t run out of water (for now)
… but need to find balance betw. growth & life style
HWR415 The University of Arizona 14