Airborne LIDARDerived Digital Elevation Models for Characterizing Active Faults and Landslide Proces - PowerPoint PPT Presentation

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Airborne LIDARDerived Digital Elevation Models for Characterizing Active Faults and Landslide Proces

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Title: Airborne LIDARDerived Digital Elevation Models for Characterizing Active Faults and Landslide Proces


1
Airborne LIDAR-Derived Digital Elevation Models
for Characterizing Active Faults and Landslide
Processes
  • We successfully organized an airborne LIDAR
    mapping team to generate high-resolution digital
    elevation models in the Taiwan region. Among our
    published research results related to the LIDAR
    work are (1) Analyzing fault activities around
    the Hsinchu industrial park based on detailed
    morphologic features, and indicating that the
    nearby Hsincheng fault to be an earthquake threat
    to the region. (2) Deriving earthquake-induced
    landslide volumes and erosion rates accurately
    for the the Jioufenershan and Tsaoling
    landslides, which differ greatly from previous
    known estimations. (3) Identifying the
    morphological structures along post-landslide
    surfaces using the LIDAR images, which indicate
    clear unstable features for future landslide
    activities.

1.  Chang, K.-J., Taboada, A., Chan, Y.-C., 2005.
Geological and morphological study of the
Jiufengershan landslide triggered by the Chi-Chi
earthquake. Geomorphology , vol. 71, p. 293-309.
2.  Chen, R.-F., Chan, Y.-C., Angelier, J., Hu,
J.-C., Huang, C., Chang, K.-J., Shih, T.-Y.,
2005. Large earthquake-triggered landslides and
mountain belt erosion the Tsaoling case, Taiwan.
Comptes Rendus Geoscience, vol. 337, p.
1164-1172. 3. Chan, Y-C., Chen, Y-G., Shih,
T-Y., Huang, C., 2007. Characterizing the
Hsincheng active fault in northern Taiwan using
airborne LiDAR data detailed geomorphic features
and their structural implications, Journal of
Asian Earth Sciences, doi 10.1016/j.jseaes.2006.0
7.029.
2
Airborne LiDAR Principle and Equipment

3
Airborne LiDAR Image Tatun Volcanic Area
4
Airborne LiDAR Image Active Fault Mapping,
Hsinchu
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