氣候變遷下的臺灣地質災害演變 Climate Change Reflected on Geological Disasters in Taiwan 中央研究院地球科學所 林正洪副所長 Cheng-Horng LIN 2016
課時列表
Climate Change Reflected in Geological Disasters in Taiwan (00:00:00)
Climate Change (00:01:59)
Taiwan:Higher risk of death by natural disasters such as earthquakes, landslides, typhoons, floods… (00:03:25)
Content (00:04:05)
Taiwan is a Natural Labfor studying earthquakes, landslides and volcanoes because (00:05:46)
Geological Disasters in Taiwan (00:06:38)
Landslides on freeway (2010/4/25) (00:08:15)
Landslides beneath the railroad (00:08:38)
Landslides on the local highway (00:08:50)
Typhoon Morakot in 2009 (00:08:51)
2009 Hsiaolinlandslide Killed 474 residents (00:09:05)
Geological Disasters in Taiwan (00:09:23)
Deadly inland earthquakes (00:10:03)
Tsunami records in history (00:11:14)
Possible tsunamirisk (00:12:34)
Geological Disasters in Taiwan (00:13:30)
Volcanoes in northern Taiwan (00:13:40)
How to define an active volcano? (00:14:32)
Shadowfrom sunshine (00:15:55)
X-ray & S-wave (00:16:12)
Magma chamber from S-wave shadow (00:17:24)
S-wave shadow (00:18:52)
Double check by P-wave delays (00:19:42)
P-wave delay (00:20:28)
The City on Volcanoes (00:21:24)
Volcano eruption? (00:21:57)
Risk or hazard evaluation (00:22:26)
Magma reservoir examined by S-wave shadows & strong reflection (00:22:43)
Eruption => Landslide =>Tsunami (00:23:21)
Eruption => Landslide =>Tsunami (00:23:43)
Eruption=>Tsunami (00:24:23)
Such a deadly disaster might be largely caused by absence of a warning system. (00:25:02)
Content (00:25:05)
Geological events induced by climate change (00:25:37)
1. Heavy rainfall triggers Landslides (00:25:58)
2. Climate change induces Landslides (00:26:04)
Fissures or cracks due to drought (00:27:10)
3. Earthquakes induced by Typhoon (00:28:18)
4. Heavy rain can trigger earthquakes (00:29:49)
The rain-induced tremors occurred in karst landscape. (00:30:03)
A strong earthquake triggered by the dam in India in 1967. (00:30:36)
Injection-induced earthquakes (00:31:47)
Groundwater anomalies before 1999 Chi-Chi earthquakes (00:33:05)
Landslides and Earthquakes accelerated by Climate Change (00:34:50)
5. Climate Change Increases Volcanic Eruptions (00:36:03)
Short note (00:36:20)
How to prevent geological disasters? (00:36:42)
Content (00:37:11)
Broad-Band Seismic Networks (00:37:15)
Seismic Early Warning (00:37:28)
A distant tsunami can be warning through a regional seismic network (00:37:31)
Real-Time Focal Mechanism (00:37:39)
Broad-Band Seismic Networks (00:37:40)
Landslidesdetected by broadband seismic networks (00:37:48)
Broadband data filtered by 20-50s (00:37:59)
Many extremely-long period seismic signals by landslides were detected on August 8, 2009. (00:38:16)
Locating Landslides (00:38:27)
Locating Landslides (00:38:44)
How to generate extremely long-period seismic signals? Elastic Rebound (00:38:49)
Landslide energy recorded by F-net in Japan (00:39:26)
Landslide energy (00:39:42)
Insight into landslide kinematics (00:39:59)
Landslide: acceleration, impact velocity and friction (00:40:03)
How to calculate landslide magnitude? (00:40:18)
How to calculate landslide magnitude? (00:40:31)
Landslide earthquake magnitude (00:40:39)
Landslide earthquake magnitude (00:40:52)
Submarine Landslide (slumping) (00:40:53)
Algorithms for seismic detecting landslides (00:41:11)
Broad-Band Seismic Networks (00:41:21)
Have no fear (00:41:23)
Have no fear (00:41:40)
Volcanic monitoring (00:41:43)
Taiwan Volcano Observatory at Tatun (00:41:47)
Monitoring methods at TVO (00:41:57)
Monitoring methods at TVO (00:42:15)
Content (00:42:37)
Complex Disasters: (00:42:43)
Complex Disasters: (00:42:58)
Landslide simulation (00:43:01)
Landslide Disasters (00:43:04)
Complex Disasters (00:43:20)
Complex Disasters (00:43:31)
Summary (00:44:46)