1. UNCLASSIFIED Captain Tim Gallaudet, U.S. Navy Deputy Director, Task Force Climate Change Remarks for the SIO/LANL Workshop on Sea Level Rise May 2010 Sea Level Rise and the U.S. Navy

2. UNCLASSIFIED Sea Level Rise Update 1870-1992 2007 IPCC AR4 21 st Century Sea Level Rise Observation: ~2mm/yr Accelerating Ice Sheet Mass Loss The Copenhagen Diagnosis, 2009 University of Colorado, Boulder, 2009 1993-200620092010-2100 Douglas, 1997 Observation: ~3.1mm/yr Tide Stations Satellite Observations Projection: ~2-6mm/yr Projection: 10-20mm/yr? Observation: >50 Gt/yr ?

3. UNCLASSIFIED Navy Sea Level Rise Concerns Physical Impacts  Inundation  Wetlands  Erosion patterns & rates  Surface/ground water supplies  Water tables  Tidal flows & currents  Storm & flood damage Challenges  Infrastructure  Mission capabilities  Training & testing lands  Transportation means/facilities Opportunities  Adaptation partnerships  Recapitalization incentive  Impacts on adversaries Directly impacts readiness, strategic access, & influence

4. UNCLASSIFIED Science Needs Quantify & reduce uncertainties to optimize investment decisions  Thermal expansion  Ice sheet mass loss  Glacier melt  River runoff  Subsidence/uplift  Local currents  Atmospheric pressure Sea Level RiseAdaptation  In-water structures  Infrastructure protection  Water supply protection  Erosion control  Environmental protection local to global spatial scales, hourly to millennial temporal scales environmental planning & civil/ocean engineering

5. UNCLASSIFIED 12 Navy Initiatives U.S. Navy Photo FY10 Navy is fully mission-capable through 21 st century FY13-14 FY11-12 Arctic CBA Arctic CBA Sea level rise adaptation In Climate Change Roadmap Navy 2014 Budget Addresses Sea Level Rise Adaptation POM-14 NSP POM-14 NSP Climate assessment Climate assessment POM-14 SPP POM-14 SPP POM-14 Execute Navy Budget Installations Identify S&T/ R&D Needs Sea Level Rise Addressed in Navy Wargames*** *** Indicates recurring action Implement new cooperative adaptation partnerships White House Interagency Adaptation Task Force*** OSD SERDP Ssea Level Rise Impact studies Implement Sea level rise adaptation study recommendations Naval Studies Board climate change study Formalize /new cooperative adaptation partnerships Installation Research & Development Initiate cooperative adaptation partnerships Interagency partnership for air-ocean-ice observation & prediction Sea Level Rise Adaptation Study Science & Security Implications In Formal Navy Eduction Sea Level Rise Included in Fleet Planning