4篇
您的检索式：作者名="Tan Handong"
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| 1 | The parallel 3D magnetotelluric forward modeling algorithm显示文摘3D 磁电机的工作量碲的向前当模特儿的算法那么大传统的连续算法花费一极其大计算时间。然而,向前为算法建模的 3D 能在频率域处理数据,它对平行计算很合适。与 MPI 并且基于 3D 磁电机的流动的分析的优点碲的连续前面的算法,我们建议平行计算的想法并且使用它。三个理论模型被测试,实行效率处于不同状况被比较。结果显示向前为计算建模的平行 3D 是正确的,效率极大地被改进。这个方法对大尺寸合适地球物理的计算。 | Tan Handong Tong Tuo Lin Changhong | 2006 | Applied Geophysics2006，3，4： | 27 |
| 2 | Anomalous phenomena in DC–ULF geomagnetic daily variation registered three days before the 12 May 2008 Wenchuan M_S 8.0 earthquake显示文摘The hourly data of the vertical Z and the horizontal H components of 37 ground-based DC-ULF geomagnetic stations are examined during 20 April-12 May 2008. On 9 May 2008, three days before the Wenchuan MS 8.0 shock, anomalies-a double low-point and a decreased amplitude-are registered on the curves of the Z component at 25 stations in a large-scale area surrounding the Wenchuan epicentral area. The H component shows none of the double low-point phenomenon but does exhibit a reduced magnitude at the same time. The geomagnetic index Kp is also examined and indicates that the anomalies appear at a solar quiet period. The appearing time shift(Tzs) between the first low-point on May 9 and the minimum point occurring time of May 1-5, 2008 is also checked.The results show that Tzs is on the order of 1-2 hours earlier or later than usual and there is a 2-6 hours’ gap between these two lowpoints. However, there is still a transition area which includes the epicenter where Tzs=0. Variation amplitude examined on vertical Z increases as the distance from the epicenter decreases. An Earth-air-ionosphere model has been employed to investigate a possible mechanism of this phenomenon and positive results have been unexpectedly attained. All these above-related results tend to prove that the variations of the Z and H on May 9, 2008 during the solar quiet period are probably associated with the forthcoming Wenchuan MS 8.0 earthquake. | Mei Li Li Yao YaLi Wang Michel Parrot Masashi Hayakawa Jun Lu HanDong Tan Tao Xie | 2019 | Earth and Planetary Physics2019，3，4： | 1 |
| 3 | Electrical Structure of Yarlung Zangbo Suture from Magnetotelluric Profiling of INDEPTH-MT显示文摘The INDEPTH MT results show that there are no electrical features of deep fractures along the Yarlung Zangbo River, but a large high conductivity body exists in the area between Gyangze and Rinbung. It dips northward, extends downward up to the depth of about 55 km and indicates the exposure of the possible real position of the Yarlung Zangbo suture. There are three sets of electrical gradient and distorted zones reflecting the structure of faults in the high conductivity region. These three fault belts, which dip northward and gradually converge downward to the main fault belt, and a series of south dipping faults in the north side form the exhaled structural characteristics of the Yarlung Zangbo suture. There is a close relationship between the large high conductivity body and the underground thermal state. | Tan Handong Jin Sheng Wei Wenbo Chen Leshou Deng Ming Department of Applied Geophysics, China University of Geosciences, Beijing 100083, China John Booker Nong Wu Martyn Unsworth University of Washington, WA 98195, USA Alan Jones Geological S | 2000 | Journal of Earth Science2000，19，3： | 0 |
| 4 | Field Test Results on Natural Field IP Method显示文摘In this paper the authors propose the natural field induced polarization (IP) method and present the way to pick up IP effect. The relations between the object and anomaly are studied by taking field experiments as examples. The effectiveness and usability of the method are testified. | Yang Jin Tan Handong Jin Sheng Fu Liangkui Department of Applied Geophysics, China University of Geosciences, Beijing 100083, China | 2000 | Journal of Earth Science2000，19，3： | 0 |
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