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Earth Observations from Space The First 50 Years of Scientific Achievements (2008) / Chapter Skim
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11 Solid Earth
Pages 92-97

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 92...
... Even more orbit determination of Earth satellites, determination of impressive is the millimeter level relative positioning that ocean surface currents from altimetry, or GPS leveling. is achievable anywhere on the surface of the planet, or in Scientists resolve the gravity anomalies relative to the "ideorbit.
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From page 93...
... . 11-1 FIGURE 11.2  Earth's gravity anomaly from the GRACE mission yields smaller-scale structures.
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From page 94...
... is due, in part, to also provides vital information for studying global a remaining depression in the surface caused by the weight sea-level change, earthquakes, and volcanoes, as of the great Laurentide ice sheet that melted at the end of the well as providing precise position information for all last ice age. The estimate that almost half of this gravity low Earth science research.
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From page 95...
... . The GPS Gravity and topography anomalies relate to large-scale time series for the Cascadia subduction zone shows the result seismic risk and the geophysics of subduction zone bound- of continual aseismic earthquakes (Melbourne and Webb aries (Song and Simons 2003)
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From page 96...
... Detailed observations of the patterns have also been applied to studying continental ice sheets. of surficial change allow us to discriminate between many The observed changes in ice flow velocity of glaciers have candidate effects and help us better understand the evolution revolutionized the thinking in how climate change affects and predictability of volcanoes.
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From page 97...
... FIGURE 11.7  Subsidence from groundwater extraction in the Las Vegas Valley, 1992-1997. SOURCE: Amelung et al.
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Key Terms

  • plate tectonics
  • ice sheet
  • satellite observations
  • hector mine
  • reference frame

  • longitudinal component
  • time series
  • aseismic earthquakes
  • ice flow
  • gravity anomaly

  • mean gravity
  • subduction zones
  • gravity low
  • global scale
  • international earth

  • earth reference
  • grace mission
  • gravity measurements
  • mass balance
  • gravity anomalies

  • gps station
  • landers earthquake
  • flow velocity
  • mission yields
  • substantial increase

  • fault slip
  • upper crust
  • vegas valley
  • geophysical union
  • mine earthquake


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