Articles | Volume 16, issue 6
https://doi.org/10.5194/tc-16-2285-2022
https://doi.org/10.5194/tc-16-2285-2022
Research article
 | 
15 Jun 2022
Research article |  | 15 Jun 2022

Correlation dispersion as a measure to better estimate uncertainty in remotely sensed glacier displacements

Bas Altena, Andreas Kääb, and Bert Wouters

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Latest update: 14 Jun 2024
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Short summary
Repeat overflights of satellites are used to estimate surface displacements. However, such products lack a simple error description for individual measurements, but variation in precision occurs, since the calculation is based on the similarity of texture. Fortunately, variation in precision manifests itself in the correlation peak, which is used for the displacement calculation. This spread is used to make a connection to measurement precision, which can be of great use for model inversion.