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29 May 2008
Two new photographs of the Beichuan area
I came across these two new images, both from AP, of the Beichuan area. The first shows the landslide that struck Beichuan itself. The landslide is on the left side of the image. Note the debris piled up around its edges – the landslide has clearly bulldozed all before it. The second is an alarming image of the work underway on the Tangjiashan landslide dam. The shear scale of the …
27 May 2008
Updated 28th May: Sichuan landslides dam – alarming video
The BBC is carrying some interesting footage of soldiers creating a channel across a landslide deposit. This can be seen here: http://news.bbc.co.uk/1/hi/world/asia-pacific/7421263.stm The video is at the bottom of the page. It is worth a look. The video shows soldiers digging a channel through what is apparently a landslide deposit. I am not sure which landslide this is or even what the channel is to achieve. It could be that …
26 May 2008
Tangjiashan (Beichuan) Lake – update
China Daily is today reporting that real progress is being made with the lake above Beichuan, which is now known as Tangjiashan Lake: Amid low visibility, a Russian helicopter successfully delivered a large bulldozer and other eight sets of big machineries near the swelling Tangjiashan lake, in order to dig a diverting channel to prevent a flood, said Minister of Water Resources Chen Lei. “I feel relieved this morning as …
25 May 2008
The collapse of landslide dams – the challenge in Sichuan
In view of the ongoing deep concern about the stability of the >30 landslide dams in Sichuan (now known in the press as “quake lakes”), and in particular the one upstream at Beichuan, I thought it might be helpful to provide a brief review of what we know about landslide dams. First, there us a great deal of literature on this topic. For example, Schuster and Costa (1991) detailed 463 …
Dave Petley is the Vice-Chancellor of the University of Hull in the United Kingdom. His blog provides commentary and analysis of landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and meetings.
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