Coseismic displacement analysis of the 12 november 2017 mw 7.3 sarpol-e zahab (iran) earthquake from sar interferometry, burst overlap interferometry and offset tracking

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Vajedian, S.; Motagh, M.: Coseismic displacement analysis of the 12 november 2017 mw 7.3 sarpol-e zahab (iran) earthquake from sar interferometry, burst overlap interferometry and offset tracking. In: ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences 4 (2018), Nr. 3, S. 205-209. DOI: https://doi.org/10.5194/isprs-annals-IV-3-205-2018

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To cite the version in the repository, please use this identifier: https://doi.org/10.15488/3439

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Sum total of downloads: 249




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Abstract: 
Interferometric wide-swath mode of Sentinel-1, which is implemented by Terrain Observation by Progressive Scan (TOPS) technique, is the main mode of SAR data acquisition in this mission. It aims at global monitoring of large areas with enhanced revisit frequency of 6 days at the expense of reduced azimuth resolution, compared to classical ScanSAR mode. TOPS technique is equipped by steering the beam from backward to forward along the heading direction for each burst, in addition to the steering along the range direction, which is the only sweeping direction in standard ScanSAR mode. This leads to difficulty in measuring along-track displacement by applying the conventional method of multi-aperture interferometry (MAI), which exploits a double difference interferometry to estimate azimuth offset. There is a possibility to solve this issue by a technique called "Burst Overlap Interferometry" which focuses on the region of burst overlap. Taking advantage of large squint angle diversity of ∼1° in burst overlapped area leads to improve the accuracy of ground motion measurement especially in along-track direction. We investigate the advantage of SAR Interferometry (InSAR), burst overlap interferometry and offset tracking to investigate coseismic deformation and coseismic-induced landslide related to 12 November 2017 Mw 7.3 Sarpol-e Zahab earthquake in Iran. © Authors 2018.
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2018
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

distribution of downloads over the selected time period:

downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 87 34.94%
2 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 30 12.05%
3 image of flag of China China 29 11.65%
4 image of flag of United States United States 16 6.43%
5 image of flag of United Kingdom United Kingdom 12 4.82%
6 image of flag of Italy Italy 10 4.02%
7 image of flag of India India 8 3.21%
8 image of flag of Hong Kong Hong Kong 8 3.21%
9 image of flag of Pakistan Pakistan 6 2.41%
10 image of flag of Thailand Thailand 4 1.61%
    other countries 39 15.66%

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