(mm/yr) (mm/yr) (mm/yr)
(mm/yr) (mm/yr) (mm/yr)
(mm/yr) (mm/yr) (mm/yr)
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Secular uplift rates at Ny-Ålesund<br />
(<strong>mm</strong>/<strong>yr</strong>)<br />
VLBI 4.8 (1.1)<br />
GPS (NYA1) 4.8 (1.5)*<br />
GPS (NALL) 5.3 (0.9)*<br />
Tide Gauge 5.2 (0.3)**<br />
----------------------------------<br />
Mean 5.2 (0.6)<br />
The GPS solutions derived by<br />
Heflin (2004).<br />
* The GPS rates shown here are corrected<br />
for a GPS scale rate error of +1.6 <strong>mm</strong>/<strong>yr</strong> to<br />
the VLBI rate, which was found from a<br />
comparison between VLBI and GPS at the 30<br />
collocation sites in the world.<br />
** Assumed 1.7 <strong>mm</strong>/<strong>yr</strong> as a rate of global<br />
secular sea level change
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