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Published byHortense Hoover Modified over 9 years ago
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Building Submarine Seismic Detection System Shang-Hsueh Yu a 、 Po-Chi Chen a 、 Jia-Pu Jang a 、 Chau-Chang Wang a,b,c 、 Ban-Yuan Kuo b a Taiwan Ocean Research Institute, National Applied Research Laboratories, Kaohsiung, Taiwan b Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan c Institute of Applied Marine Physics and Undersea Technology, National Sun Yat-sen University, Kaohsiung, Taiwan Speaker : Yu Shang Hsueh
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Motivation 2 Period : 2010/10/17 ~ 2011/10/17 ml ≧ 2 , Total : 9908 From CWB
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3 YARDBIRD 1.LOG: 24 bit/4ch 、 sample rate: 100Hz 、 GPS time compensation 、 user interface. 2.Deployment period is 1 year, power dissipation must be less than 0.5W. 3.Currently maximum depth is 2000m 4.Leveling: Error is less than 1 ∘. Bandwidth: 4sec~40Hz. 5.Yardbird hangs flash beacon 、 radio beacon and flag for recovery. 6.Center of gravity and buoyancy for downward pose 、 rising and downward velocity. 7.Acoustic system for release and location Seismometer Buoy Acoustic system Camera Beacon Battery & Log Specifications
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4 Seismometer 1. 3 perpendicular components 2. Leveling: Error is less than 1 ∘. 3.Bandwidth:4sec~40Hz.
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5 Deployment Experiments
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6 Recover
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Local Seismic Data(1)
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8 Local Seismic Data(2)
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9 Teleseismic(1) 3.7 km/s3.5 km/s Qinghai earthquake, April 14, 2010 (21.917, 120.116; depth is 1450 m)
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10 MOU with KORDI in South Korea
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12 Teleseismic(2) Magnitude 8.6 & 8.2 - OFF THE WEST COAST OF NORTHERN SUMATRA, April 11,2012 Yardbird deployed Korea’s East Sea Magnitude 8.6, 2.311°N, 93.063°E, 22.9 kmMagnitude 8.2, 0.773°N, 92.452°E, 16.4 km Raw data site
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13 Future Works We completed 3 times long term(10 mouths) deployment and 4 times short term (2 weeks ~ 3 months) deployments successfully, and we will still continue research and development further, such as maximum depth will be extended to 6000m 、 channel numbers increase from 4 to 7 for more sensors 、 bandwidth extends from 4 s to 30 s. In order to fulfill the ultimate objective of building an engineering-, science-, and management-wise sustainable system in Taiwan, Our team will continue to work with more domestic universities and search international cooperation.
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14 Thank You For Your Attention!! If more questions, please mail to our group! Mr. Chen, Po-Chi: poasmile@gmail.compoasmile@gmail.com Mr. Jang, Jia-Pu: na2006@gmail.comna2006@gmail.com Mr. Yu, Shang-Hsueh: microga@gmail.commicroga@gmail.com
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