Characterization of the distribution of water vapour for DInSAR studies on the volcanic island of Tenerife, Canary Islands

被引：0
|
作者：
Eff-Darwich, Antonio [1 ,3 ]
Garcia-Lorenzo, Begona [1 ,2 ]
Perez-Darias, Juan C. [4 ]
Gonzalez, Albano [4 ]
Fernandez, Jose [5 ]
Gonzalez, Pablo J. [5 ]
机构：
[1] Inst Astrofis Canarias, E-38200 Tenerife, Spain
[2] Univ Laguna, Dept Astrofis, E-38205 Tenerife, Spain
[3] Univ Laguna, Dept Edafol & Geol, E-38205 Tenerife, Spain
[4] Univ Laguna, Dept Fis Fundamental & Expt Elect & Sistemas, E-38205 Tenerife, Spain
[5] CSIC UCM, Inst Astron & Geodesia, Fac C Matemat, Madrid 28040, Spain
来源：
REMOTE SENSING FOR ENVIRONMENTAL MONITORING, GIS APPLICATIONS, AND GEOLOGY IX | 2009年 / 7478卷
关键词：
DInSAR; volcanoes; Tenerife; water vapour; DEFORMATION; ALGORITHM; NETWORK; CALDERA; SPAIN; INSAR;
D O I：
10.1117/12.830340
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Measurements of ground displacement have been carried out on the entire active volcanic island of Tenerife, Canary Islands, by means of classical and advanced DInSAR techniques. The main limiting factor on the accuracy of DInSAR measurements is the distribution of the water vapour in the lower troposphere. Hence, it is yet necessary to perform a detailed spatial and temporal characterization of water vapour to understand, and to be able to carry out a direct computation of, the effect of the tropospheric delay on DInSAR results. In this sense, satellite and balloon data have been analysed to infer the variability in the distribution of water vapour and hence, the robustness of DInSAR results on the island of Tenerife.
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页数：8
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