1. Josh K. Willis (presented by Dan Cayan—thanks, Dan!) joshua.k.willis@jpl.nasa.gov Jet Propulsion Laboratory Why Californians should care about Antarctica and Greenland Rising Oceans

3. What really causes global warming?

4. Side of Quelccaya ice cap, Peru Annual layers Lonnie Thompson How do we know?

5. 2000 Years of Sea Level Sea Level Change in North Carolina

6. Tide Gauge Observations Average Rate ~ 1.8 mm/year 0.8 mm/year 2.0 mm/year 3.2 mm/year [Church and White, 2006] ~ 8 inches (20 cm) = 16,000 cubic miles!!! (67,000 cubic km)

7. Sea Level at San Francisco, CA Trend ~ 12 inches/160 years Years Relative Sea Level, mm Recent Sea Level Rise = 33% Warming/67% Melting

8. The altimeter record

9. Sea Level Rise from Satellites

10. Globally Averaged Sea Level Rise CauseEffect Satellite Altimeters Measure Sea Level Rise

11. Why so much uncertainty? How much/how fast? Greenland and Antarctic melting Projections of Future Rise Which path are we on? Jason-3 & Continuity

12. Surfers Point, Ventura, CA

13. Projections of Dynamic Height Yin, GRL, 2012

14. Projections of Dynamic Height