Hauptseite > Externe Publikationen > Vita Publikationen > Exploration of the Near-surface Structure of Mud Volcanoes using Electromagnetic Techniques: A Case Study from Perekishkul, Azerbaijan > print

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024 7 _ |a 10.2113/JEEG20.2.153
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024 7 _ |a 1083-1363
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024 7 _ |a 1943-2658
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037 _ _ |a FZJ-2018-05541
082 _ _ |a 550
100 1 _ |a Adrian, Juliane
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245 _ _ |a Exploration of the Near-surface Structure of Mud Volcanoes using Electromagnetic Techniques: A Case Study from Perekishkul, Azerbaijan
260 _ _ |a Alxandria, Va.
|c 2015
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520 _ _ |a The general aim of this study is, for the first time, to investigate the inner structure of mudvolcanoes in Azerbaijan using several near-surface electromagnetic methods. The central-looptransient electromagnetic (TEM) method and the radiomagnetotelluric (RMT) method wereapplied on mud volcanoes near Perekishkul, Azerbaijan. These methods complement each otherin terms of depth of investigation. In particular, the RMT method generally resolves the veryshallow resistivity structures (,10 m) directly beneath the mud volcanoes, whereas the TEMmethod provides a resolution of up to 100- to 150-m depth.The obtained data sets were processed and interpreted individually. The TEM data wereinterpreted by conventional 1-D inversion algorithms, i.e., Occam’s and Marquardt inversion,and by a quasi-2-D laterally constrained inversion. The RMT data were interpreted by 2-Dinversion. Subsequently, a combined model regarding the sediments and correspondingresistivities for the area around the mud volcanoes was derived.Overall, a resistivity range of 1–20 V-m was observed. The resistivity models obtainedfrom TEM support the assumption of a three-layer subsurface for the resolved depth range.Also, a lateral resistivity variation caused by the mud volcanoes was observed. Furthermore, theRMT results indicate the presence of shallow low resistivity structures, which can be interpretedas mud reservoirs.
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700 1 _ |a Langenbach, Hannah
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700 1 _ |a Tezkan, Bülent
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700 1 _ |a Gurk, Marcus
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700 1 _ |a Novruzov, Ali G.
|0 P:(DE-HGF)0
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700 1 _ |a Mammadov, Avez L.
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773 _ _ |a 10.2113/JEEG20.2.153
|g Vol. 20, no. 2, p. 153 - 164
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|t Journal of environmental & engineering geophysics
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