Study of the deep conductivity structure of the lake Ladoga region: quasi 3D and 3D models

0484383 - GFÚ 2018 RIV RU eng C - Konferenční příspěvek (zahraniční konf.)
Golubtsova, N. S. - Kováčiková, Světlana - Sokolova, E. J.
Study of the deep conductivity structure of the lake Ladoga region: quasi 3D and 3D models.
Glubinnoje strojenije i geodinamika Priladožja. Materialy konferenciji s meždunarodnym učastijem. Petrozavodsk: Karelskij naučnyj centr RAN, 2017, s. 287-291. ISBN 978-5-9274-0780-4.
[Glubinnoje strojenije i geodinamika Priladožja. Petrozavodsk (RU), 22.05.2017-24.05.2017]
Institucionální podpora: RVO:67985530
Klíčová slova: Ladoga conductivity anomaly * geomagnetic depth sounding * 3D modelling and inversion
Obor OECD: Volcanology

We present results of the modelling of the conductivity distribution for the Lake Ladoga conductivity anomaly area and the contiguous areas. We used a database of geomagnetic induction vectors across the Baltic Shield region. These data were then used in the quasi-3D modelling of the conductance in the thin sheet approximation and compared with the results of the full 3D modelling. The electrical model of the Lake Ladoga conductivity anomaly area is presented and discussed in relation to other geophysical data available and with respect to the basic regional geological units. The modelling allowed us to constrain both the geometry and electrical properties of the anomalous electrical structures within the studied area.
Trvalý link: http://hdl.handle.net/11104/0279552