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Pearblossom Geodetic Networks EDM Network 1980 – 2001 Early 1980s; Frequent Mid 1980s to mid 1990s quarterly measurement Late 1990s to the end annual GPS.

Published byVeronica Manning Modified over 9 years ago

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Presentation on theme: "Pearblossom Geodetic Networks EDM Network 1980 – 2001 Early 1980s; Frequent Mid 1980s to mid 1990s quarterly measurement Late 1990s to the end annual GPS."— Presentation transcript:

1 Pearblossom Geodetic Networks EDM Network 1980 – 2001 Early 1980s; Frequent Mid 1980s to mid 1990s quarterly measurement Late 1990s to the end annual GPS Network 1995 holc/tabl installed late 1990s dvpb 2001 ll01/pbpp installed Estimate strain change versus time San Andreas fault Lancaster Palmdale

2

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4 Hector Mine Landers 12 ± 10 ns/yr -14 ± 9 ns/yr 237 ± 10 ns/yr Strain Changes at Pearblossom

5 237 ± 10 ns/yr 12 ± 10 ns/yr -14 ± 9 ns/yr Rate removed

6 Temporal changes in strain??? Langbein et al. Science 1982 Langbein and Johnson JGR 1997

7 0.08 ± 0.08 mm/yr 0.07 ± 0.08 mm/yr

8 -31.05 ± 0.10 mm/yr 7.58 ± 0.03 mm/yr -204 ± 10 ns/yr

9 Common mode Seasonal displacements Langbein, submitted, JGR, 2007

10 Comparison of common mode (SCIGN/BARGEN) with translation of Pearblossom GPS network

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