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Appendix B: Sea-Level Rise in the Northeast Pacific Ocean
Pages 163-174

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From page 163...
... from coastal stations or satellite altimetry data The analysis below compares records from 21 tide gages from the northeast Pacific Ocean. Appendix A esti- and altimetry data from the northeast Pacific Ocean mated sea-level rise along the coast by correcting tide over the same timespan, 1992­2008.
From page 164...
... , Jason-1, and Jason-2 were processed by relative sea-level trend from the tide gage estimated subtracting a mean sea surface from the corrected sea linear trend. The GIA predicted relative sea-level trend surface topography measurements, and applying cross- (absolute sea-level change minus the height change track and along-track gradient corrections.
From page 165...
... 200° 210° 220° 230° 240° 250° 260° 270° 200° 210° 220° 230° 240° 250° 260° 270° 70° 70° 70° 70° 60° 60° 60° 60° 50° 50° 50° 50° 40° 40° 40° 40° 30° 30° 30° 30° 200° 210° 220° 230° 240° 250° 260° 270° 200° 210° 220° 230° 240° 250° 260° 270° mm/yr mm/yr -4 -3 -2 -1 0 1 2 3 4 -4 -3 -2 -1 0 1 2 3 4 FIGURE B.1 Selected GIA model predicted relative sea-level rise (absolute sea-level change minus height change) in western North America.
From page 166...
... 220° 230° 240° 250° 50° FRIDAY HARBOR 50° CHERRY POINT NEAH BAY PORT TOWNSEND SEATTLE TOKE POINT ASTORIA SOUTH BEACH CHARLESTON II PORT ORFORD CRESCENT CITY N SPIT 40° 40° POINT REYES ALAMEDA SAN FRANCISCO MONTEREY PORT SAN LUIS SANTA MONICA LOS ANGELES LA JOLLA SAN DIEGO 30° 30° 220° 230° 240° 250° mm/yr -10 -5 0 5 10 FIGURE B.3 Comparison of geocentric sea-level trends, in mm yr-1, for 1992­2008 from 21 tide gages along the coast of Cali fornia, Oregon, and Washington (color-coded circles)
From page 167...
... , correcting for vertical motion assuming interannual timescales during 1992­2008. However, an ongoing GIA process, could be caused by the short some estimated trends of individual tide gages are data span or by non-GIA related vertical motion at substantially different from the altimetry trend, likely some of tide gages in the study region.
From page 168...
... c GIA predicted relative sea-level trend = absolute sea-level change minus height change of the solid earth surface. Peltier, W., 2001, Global glacial isostatic adjustment and modern Tamisiea, M., 2011, Ongoing glacial isostatic contributions to ob instrumental records of relative sea level history, in Sea Level servations of sea level change, Geophysical Journal International, Rise: History and Consequences, B
From page 169...
... Absolute Relative Absolute Relative Absolute Relative Absolute Relative Absolute Relative Sea-Level Sea-Level Sea-Level Sea-Level Sea-Level Sea-Level Sea-Level Sea-Level Sea-Level Sea-Level Trend Trend Trend Trend Trend Trend Trend Trend Trend Trend -0.91 0.23 -0.81 -0.42 0.25 -1.12 0.37 0.22 0.08 -0.23 -0.93 0.61 -0.83 -0.09 0.22 -0.84 0.33 0.42 0.03 -0.22 -0.96 1.18 -0.85 0.40 0.18 -0.45 0.26 0.63 -0.04 0.04 -0.96 0.88 -0.85 0.14 0.20 -0.60 0.31 0.61 -0.01 -0.06 -0.99 1.16 -0.87 0.37 0.18 -0.32 0.28 0.82 -0.06 0.09 -1.04 1.82 -0.91 0.90 0.11 0.19 0.17 1.19 -0.16 0.60 -1.06 1.79 -0.92 0.85 0.09 0.32 0.15 1.27 -0.17 0.59 -1.09 1.53 -0.95 0.52 0.03 0.59 0.06 1.44 -0.19 0.80 -1.10 1.23 -0.96 0.24 -0.01 0.65 -0.01 1.44 -0.18 0.72 -1.11 1.15 -0.96 0.17 -0.03 0.67 -0.03 1.44 -0.18 0.72 -1.11 0.95 -0.96 0.03 -0.05 0.62 -0.06 1.34 -0.16 0.60 -1.12 0.90 -0.97 0.04 -0.07 0.60 -0.09 1.28 -0.15 0.66 -1.13 0.76 -1.00 0.10 -0.10 0.49 -0.14 1.06 -0.12 0.47 -1.13 0.69 -1.00 0.05 -0.10 0.45 -0.14 1.01 -0.12 0.35 -1.13 0.67 -1.00 0.03 -0.10 0.44 -0.14 0.99 -0.12 0.30 -1.14 0.68 -1.01 0.12 -0.11 0.43 -0.15 0.96 -0.11 0.41 -1.14 0.61 -1.02 0.13 -0.12 0.40 -0.17 0.87 -0.10 0.40 -1.14 0.45 -1.03 0.04 -0.11 0.31 -0.17 0.75 -0.09 0.26 -1.14 0.45 -1.03 0.06 -0.12 0.31 -0.17 0.75 -0.08 0.32 -1.14 0.44 -1.03 0.09 -0.12 0.27 -0.17 0.70 -0.08 0.29 -1.14 0.44 -1.03 0.10 -0.12 0.27 -0.17 0.69 -0.08 0.29 -1.08 0.89 -0.95 0.19 0.01 0.18 0.02 0.95 -0.10 0.35
From page 170...
... 170 APPENDIX B Figure continues FIGURE B.4 Comparisons for 1992­2008 between the sea-level time series for 21 tide gages and averaged altimetry (TOPEX, Jason-1, and Jason-2) in the northeast Pacific study region.
From page 171...
... APPENDIX B 171 Figure continues FIGURE B.4Continued
From page 172...
... 172 APPENDIX B Figure continues FIGURE B.4Continued
From page 173...
... APPENDIX B 173 FIGURE B.4Continued
From page 174...
... The bottom panel also shows yearly averages, solid blue and red lines for tide gage and altimetry sea level, respectively, and estimated tide gage sea-level uncertainty in gray shades.


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