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Earth, Planets and Space

Table 1 Parameters of small-scale velocity fluctuations in each layer

From: High-frequency S and S-coda waves at ocean-bottom seismometers

Layer

ACF-type

Correlation length

RMS value

Air and sea water

–

–

–

Sediment layers

Exponential

Isotropic: 1 km

0.03

Crust

Exponential

Isotropic: 1 km

0.03

Mantle

–

–

–

Oceanic crust

Exponential

Isotropic: 1 km

0.03

Oceanic mantle

Exponential

Horizontal: 20 km Vertical: 1 km

0.03

  1. ACF: autocorrelation function
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