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A statistical model for the impact of the 1999 Chi-Chi earthquake on the subsequent rainfall-induced landslides

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Title: A statistical model for the impact of the 1999 Chi-Chi earthquake on the subsequent rainfall-induced landslides
Authors: Liu, Shou-Heng1, Lin, Ching-Weei1 chingwee@mail.ncku.edu.tw, Tseng, Chih-Ming2
Source: Engineering Geology. Apr2013, Vol. 156, p11-19. 9p.
Subjects: Chi-chi Earthquake, Taiwan, 1999, Landslides, Rainfall, Statistical models, Meteorological precipitation, Genetic algorithms
Abstract: Abstract: A statistical model is proposed for the temporal impact of the 1999 Chi-Chi earthquake on the subsequent rainfall-induced new landslides in the Choushui River Watershed of Central Taiwan. Based on daily precipitation records from 1996 to 2008 and the landslide inventories obtained from satellite images taken in this period, the parameters of the model functions were obtained by genetic algorithm. The proposed model estimates new-landslide density from daily precipitation with an average error of 13.91% to the variation analysis result from landslide inventory over 15 image dates. The model estimation reveals a continuously decaying pattern of earthquake impact on the subsequent rainfall-induced new landslides, an average daily 0.004‰ background new-landslide density, and a 4.97‰ new-landslide density caused by the earthquake directly within the study area. Also, the model suggests that there are impacts and latency of antecedent precipitation among the occurrence of new landslides. [Copyright &y& Elsevier]
Copyright of Engineering Geology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 86394964
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PubTypeId: academicJournal
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  Data: A statistical model for the impact of the 1999 Chi-Chi earthquake on the subsequent rainfall-induced landslides
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  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Shou-Heng%22">Liu, Shou-Heng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lin%2C+Ching-Weei%22">Lin, Ching-Weei</searchLink><relatesTo>1</relatesTo><i> chingwee@mail.ncku.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Tseng%2C+Chih-Ming%22">Tseng, Chih-Ming</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Engineering+Geology%22">Engineering Geology</searchLink>. Apr2013, Vol. 156, p11-19. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Chi-chi+Earthquake%2C+Taiwan%2C+1999%22">Chi-chi Earthquake, Taiwan, 1999</searchLink><br /><searchLink fieldCode="DE" term="%22Landslides%22">Landslides</searchLink><br /><searchLink fieldCode="DE" term="%22Rainfall%22">Rainfall</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+models%22">Statistical models</searchLink><br /><searchLink fieldCode="DE" term="%22Meteorological+precipitation%22">Meteorological precipitation</searchLink><br /><searchLink fieldCode="DE" term="%22Genetic+algorithms%22">Genetic algorithms</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: A statistical model is proposed for the temporal impact of the 1999 Chi-Chi earthquake on the subsequent rainfall-induced new landslides in the Choushui River Watershed of Central Taiwan. Based on daily precipitation records from 1996 to 2008 and the landslide inventories obtained from satellite images taken in this period, the parameters of the model functions were obtained by genetic algorithm. The proposed model estimates new-landslide density from daily precipitation with an average error of 13.91% to the variation analysis result from landslide inventory over 15 image dates. The model estimation reveals a continuously decaying pattern of earthquake impact on the subsequent rainfall-induced new landslides, an average daily 0.004‰ background new-landslide density, and a 4.97‰ new-landslide density caused by the earthquake directly within the study area. Also, the model suggests that there are impacts and latency of antecedent precipitation among the occurrence of new landslides. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Engineering Geology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.enggeo.2013.01.005
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      – Code: eng
        Text: English
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        PageCount: 9
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    Subjects:
      – SubjectFull: Chi-chi Earthquake, Taiwan, 1999
        Type: general
      – SubjectFull: Landslides
        Type: general
      – SubjectFull: Rainfall
        Type: general
      – SubjectFull: Statistical models
        Type: general
      – SubjectFull: Meteorological precipitation
        Type: general
      – SubjectFull: Genetic algorithms
        Type: general
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      – TitleFull: A statistical model for the impact of the 1999 Chi-Chi earthquake on the subsequent rainfall-induced landslides
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            NameFull: Lin, Ching-Weei
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            NameFull: Tseng, Chih-Ming
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              Text: Apr2013
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