Optimization of legacy lidar data sets for measuring near-field earthquake displacements

Craig L. Glennie, Alejandro Hinojosa-Corona, Edwin Nissen, Arpan Kusari, Michael E. Oskin, Ramon Arrowsmith, Adrian Borsa

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Airborne lidar (light detection and ranging) topography, acquired before and after an earthquake, can provide an estimate of the coseismic surface displacement field by differencing the preevent and postevent lidar point clouds. However, estimated displacements can be contaminated by the presence of large systematic errors in either of the point clouds. We present three-dimensional displacements obtained by differencing airborne lidar point clouds collected before and after the El Mayor-Cucapah earthquake, a M w 7.2 earthquake that occurred in 2010. The original surface displacement estimates contained large, periodic artifacts caused by systematic errors in the preevent lidar data. Reprocessing the preevent data, detailed herein, removed a majority of these systematic errors that were largely due to misalignment between the scanning mirror and the outgoing laser beam. The methodology presented can be applied to other legacy airborne laser scanning data sets in order to improve change estimates from temporally spaced lidar acquisitions.

Original languageEnglish (US)
Pages (from-to)3494-3501
Number of pages8
JournalGeophysical Research Letters
Volume41
Issue number10
DOIs
StatePublished - May 28 2014

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near fields
earthquakes
earthquake
optimization
systematic errors
estimates
laser
airborne lasers
scanning
misalignment
artifact
artifacts
acquisition
topography
detection
measuring
laser beams
methodology
mirrors

Keywords

  • active tectonics
  • earthquakes
  • El Mayor-Cucapah
  • LiDAR

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Geophysics

Cite this

Glennie, C. L., Hinojosa-Corona, A., Nissen, E., Kusari, A., Oskin, M. E., Arrowsmith, R., & Borsa, A. (2014). Optimization of legacy lidar data sets for measuring near-field earthquake displacements. Geophysical Research Letters, 41(10), 3494-3501. https://doi.org/10.1002/2014GL059919

Optimization of legacy lidar data sets for measuring near-field earthquake displacements. / Glennie, Craig L.; Hinojosa-Corona, Alejandro; Nissen, Edwin; Kusari, Arpan; Oskin, Michael E.; Arrowsmith, Ramon; Borsa, Adrian.

In: Geophysical Research Letters, Vol. 41, No. 10, 28.05.2014, p. 3494-3501.

Research output: Contribution to journalArticle

Glennie, CL, Hinojosa-Corona, A, Nissen, E, Kusari, A, Oskin, ME, Arrowsmith, R & Borsa, A 2014, 'Optimization of legacy lidar data sets for measuring near-field earthquake displacements', Geophysical Research Letters, vol. 41, no. 10, pp. 3494-3501. https://doi.org/10.1002/2014GL059919
Glennie, Craig L. ; Hinojosa-Corona, Alejandro ; Nissen, Edwin ; Kusari, Arpan ; Oskin, Michael E. ; Arrowsmith, Ramon ; Borsa, Adrian. / Optimization of legacy lidar data sets for measuring near-field earthquake displacements. In: Geophysical Research Letters. 2014 ; Vol. 41, No. 10. pp. 3494-3501.
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