About: Gravity and geodetic control of geodynamic activity near Aswan Lake, Egypt

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About: Gravity and geodetic control of geodynamic activity near Aswan Lake, Egypt Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Geodynamic investigations in the Aswan Lake region were started after the M=5.5 earthquake in 1981, triggered by the lake water fluctuations. Besides establishing the seismological networks, also the geodetic observations focused on the Kalabsha and Sayal fault zones were started. It was found the the Kalabsha fault is an active dextral strike-slip with normal component indicating uplift on its southern side. However, the annual velocity rates in both components do not exceed 2 mm/y, and do not therefore represent extremely active faulting. We also launched gravity monitoring in 1997, and performed another two campaigns in 2000 and 2002. The observed non-tidal temporal gravity changes indicate rather the flood water infiltration into the porous Nubian sandstone, than tectonic stress effect. The station nearest to the lake exhibited about 60 mGal positive gravity change within the 1997-2002 period. Geodynamic investigations in the Aswan Lake region were started after the M=5.5 earthquake in 1981, triggered by the lake water fluctuations. Besides establishing the seismological networks, also the geodetic observations focused on the Kalabsha and Sayal fault zones were started. It was found the the Kalabsha fault is an active dextral strike-slip with normal component indicating uplift on its southern side. However, the annual velocity rates in both components do not exceed 2 mm/y, and do not therefore represent extremely active faulting. We also launched gravity monitoring in 1997, and performed another two campaigns in 2000 and 2002. The observed non-tidal temporal gravity changes indicate rather the flood water infiltration into the porous Nubian sandstone, than tectonic stress effect. The station nearest to the lake exhibited about 60 mGal positive gravity change within the 1997-2002 period. (en)
Title	Gravity and geodetic control of geodynamic activity near Aswan Lake, Egypt Gravity and geodetic control of geodynamic activity near Aswan Lake, Egypt (en)
skos:prefLabel	Gravity and geodetic control of geodynamic activity near Aswan Lake, Egypt Gravity and geodetic control of geodynamic activity near Aswan Lake, Egypt (en)
skos:notation	RIV/67985530:_____/09:00339151!RIV10-AV0-67985530
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA300120905), Z(AV0Z30120515)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Mrlina, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	316676
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/09:00339151
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	gravity monitoring; surface movements; Lake Aswan; groundwater change (en)
http://linked.open.../riv/klicoveSlovo	Lake Aswan gravity monitoring groundwater change surface movements
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[A5E13D133CE3]
http://linked.open...i/riv/nazevZdroje	EGRSE. Exploration Geophysics, Remote Sensing and Environment
http://linked.open...in/vavai/riv/obor	DC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Dynamics of crustal fluids in the western part of the Bohemian Massif as a probe of the stress changes
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	16
http://linked.open...iv/tvurceVysledku	Mrlina, Jan Radwan, A. H. Issawy, E. S. A. Mahmoud, S. M. Rayan, A.
http://linked.open...n/vavai/riv/zamer	Study of the internal structure and dynamics of the Earth
issn	1803-1447
number of pages	8 (xsd:int)

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