Measurement of slow uniform surface displacement with mm/year accuracy

Measurement of slow uniform surface displacement with mm/year accuracy
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DOI：
10.1109/igarss.2000.858368
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发表时间：
2000-07
期刊：
IGARSS 2000. IEEE 2000 International Geoscience and Remote Sensing Symposium. Taking the Pulse of the Planet: The Role of Remote Sensing in Managing the Environment. Proceedings (Cat. No.00CH37120)
影响因子：
--
通讯作者：
T. Strozzi;U. Wegmuller;C. Werner;A. Wiesmann
T. Strozzi;U. Wegmuller;C. Werner;A. Wiesmann
中科院分区：
其他
文献类型：
--
作者：
T. Strozzi;U. Wegmuller;C. Werner;A. Wiesmann

文献摘要

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提出了一种基于多幅干涉图组合的干涉图叠加技术，以提高SAR干涉表面位移测图的相对精度。博洛尼亚和尤加尼安地热盆地（意大利）的地面沉降案例证明了其潜力和实用性。对于其中一个调查案例，通过水准数据验证证实了以毫米/年精度绘制缓慢均匀表面位移图的潜力。
Interferogram stacking, a technique to improve the relative accuracy of SAR interferometric surface displacement mapping based on a combination of multiple interferograms, is presented. Its potential and usefulness is demonstrated with the land subsidence cases of Bologna and the Euganean Geothermal Basin (Italy). For one of the investigated cases the potential to map slow uniform surface displacements at mm/year accuracy is confirmed by the validation with levelling data.