Copy of `Reid - Geophysics glossary`
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Reid - Geophysics glossary
Category: Earth and Environment > geophysics
Date & country: 11/10/2007, UK
or Depth ensemble filtering uses the grid power spectrum slopes from different source depths to produce grids emphasising the effects of sources at particular depths.
are the fully specified gradients of vector fields (like gravity or magnetic fields). They have 9 components of which 5 are typically independent and are sensitive to local detail. Gravity tensor gradients are currently measured commercially. Gradient-enhanced total magnetic field grids are offered by several contractors. They use the vector gradients of total field data.