以衛星遙測技術研究青藏高原地殼變形與機制; A Study of Crustal Deformation and Its Mechanism on Tibet Plateau Using Satellite Remote Sensing Technique

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题名:	以衛星遙測技術研究青藏高原地殼變形與機制;A Study of Crustal Deformation and Its Mechanism on Tibet Plateau Using Satellite Remote Sensing Technique
作者:	陳錕山;張中白
贡献者:	太空及遙測研究中心
关键词:	地球科學類
日期:	2005-07-01
上传时间:	2010-11-30 16:02:56 (UTC+8)
出版者:	行政院國家科學委員會
摘要:	Recent strong earthquakes in the Tibetan plateau such as the Central Kunlun earthquake (M(s) 8.1, 2001) and northern Tibet earthquake also of Kunlun fault system (M(s) 7.9, 1997) provide a great opportunity to perform a study on the pre-, co-, and post-seismic crustal deformation; the result of which, can be used as a comparison case for the strong earthquake study in Taiwan. Previous studies have improved our knowledge about the origin and the evolution of the Tibetan plateau greatly. However, a fundamental problem appears when study a remote area as large as the Tibetan plateau, that is, the coverage of data points and the density of the data points compared to the size of the study area are trivial. Consequently, intense interpolation and probably extrapolation is used in the data measured to cover the full domain of the study area. To solve the aforementioned problem, a direct monitor of crustal motion is required to map out the pattern of the relative motion within the vast area of the Tibetan plateau. In this proposal, we will apply satellite remote sensing system to map a large area. In particular, InSAR provides technical plausibility of observing surficial deformation to millimeter in precision and provide a continuous coverage over a large area rather than widely spaced points. We expected to execute our project in a planned orderly fashion described in the methodology section. Therefore, we expect the our different results in an chronological order: First year, we will have our pilot study of the area. We expect to generate DEMs and Interferegrams on selected key regions. We also hope to fine-tuned the parameters of acquiring DInSAR images during this phase. Preliminary field work on the structural features and sedimentary provenances near the Kunlun and Altyn Tagh faults are also expected. These results will be a key information for planning and prioritize our consequenced works.In our second year, we expect to proceed fully on the spaceborne remote sensing (i.e. DEMs and DInSAR). At the same time, we will utilize the observed data to formulate hypothese and develop the numerical models based on discrete element method. More field results and analyses are also expected. The final year of the project, we expect to proceed with the remaining spaceborne remote sensing work. Integration of the acquired data, field observations, and modeling will be the most important goal in this phase. Specifically, we will try to validate the prediction from our developed hypothese and models with field works and remote-sensing data. Above all, we will publish our researches in various peer-reviewed journals and other media in order to share our findings with as many people as possible. 研究期間：9308 ~ 9407
關聯:	財團法人國家實驗研究院科技政策研究與資訊中心
显示于类别:	[太空及遙測研究中心] 研究計畫

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