spatial and temporal trends in landslide occurrence in south asia
DESCRIPTION
Spatial and temporal trends in landslide occurrence in South Asia. Dave Petley Institute of Hazard, Risk and Resilience Durham University. http://blogs.agu.org/landslideblog/. CRED data for landslide fatalities. 6587. Other disasters 2002-2009 (CRED database) - PowerPoint PPT PresentationTRANSCRIPT
Spatial and temporal trends in landslide occurrence in South Asia
Dave PetleyInstitute of Hazard, Risk and Resilience
Durham University
http://blogs.agu.org/landslideblog/
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CRED data for landslide fatalities
2000 2001 2002 2003 2004 2005 2006 2007 2008 20090
1000
2000
3000
4000
5000
6000
7000
Year
Cum
ulat
ive
num
ber o
f fat
aliti
es
6587
Other disasters 2002-2009 (CRED database)Earthquake: 429,877 River flood: 37,860Storm: 166,410 Volcano: 221
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2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 20120
10000
20000
30000
40000
50000
60000
70000
80000
90000
Date
Cum
ulat
ive
num
ber o
f fat
aliti
es
Landslides from the Kashmir earthquake NB: Considerable uncertainty
Landslides from the Wenchuan earthquake
The human cost of landslides
81,833
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Global fatal rainfall-induced landslides – 2006 to 2009
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Non-seismic landslide fatalities
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 20120
5000
10000
15000
20000
25000
30000
35000
40000
Date (September)
Cum
ulat
ive
num
ber o
f fat
aliti
es
∂
Non-seismic landslide fatalities
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 20120
5000
10000
15000
20000
25000
30000
35000
40000
Date
Cum
ulat
ive
num
ber o
f fat
aliti
es
∂
∂
∂
Global fatal rainfall-induced landslides – 2006 to 2009
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Himalayan Arc
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Himalayan Arc – 2004 to 2009
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Monthly occurrence of non-seismic fatal landslides (NFLs)
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Annual cycle in pentads (five day bins)
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Trend in occurrence?
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More detailed investigation:landslide occurrence in Nepal
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Conclusions