About: Detection of Earth impact craters aided by the detailed global gravitational model EGM2008

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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	We have surveyed the Earth's surface using gravity anomalies and second-order radial derivatives of the disturbing gravitational potential computed from the gravitational model EGM2008 complete to degree and order 2159 (for selected degrees up to 2190). It corresponds to 5 arcmin resolution on the ground. Over most well known impact crater sites on the Earth we found the second-order derivatives (not available from ordinary gravity surveys) offered finer discrimination of circular features than the gravity anomalies themselves. We also discovered that some of the sites show evidence of double or multiple craters which will need further ground verification. Some of these signatures (in hilly or mountainous terrain) may also need to be corrected for the gravitational effect of topography to sharpen their hidden features. We have surveyed the Earth's surface using gravity anomalies and second-order radial derivatives of the disturbing gravitational potential computed from the gravitational model EGM2008 complete to degree and order 2159 (for selected degrees up to 2190). It corresponds to 5 arcmin resolution on the ground. Over most well known impact crater sites on the Earth we found the second-order derivatives (not available from ordinary gravity surveys) offered finer discrimination of circular features than the gravity anomalies themselves. We also discovered that some of the sites show evidence of double or multiple craters which will need further ground verification. Some of these signatures (in hilly or mountainous terrain) may also need to be corrected for the gravitational effect of topography to sharpen their hidden features. (en)
Title	Detection of Earth impact craters aided by the detailed global gravitational model EGM2008 Detection of Earth impact craters aided by the detailed global gravitational model EGM2008 (en)
skos:prefLabel	Detection of Earth impact craters aided by the detailed global gravitational model EGM2008 Detection of Earth impact craters aided by the detailed global gravitational model EGM2008 (en)
skos:notation	RIV/67985815:_____/10:00354962!RIV11-MSM-67985815
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(LC506), S, Z(AV0Z10030501), Z(CUZ0002561501)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Klokočník, Jaroslav
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	Astronomický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	253638
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/10:00354962
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	global gravitational model; gravity anomaly; impact craters on the Earth (en)
http://linked.open.../riv/klicoveSlovo	global gravitational model gravity anomaly impact craters on the Earth
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[C767873C451F]
http://linked.open...i/riv/nazevZdroje	Acta geodynamica et geomaterialia
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Recent dynamics of the Earth
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	7
http://linked.open...iv/tvurceVysledku	Klokočník, Jaroslav Kostelecký, J. Novák, P. Wagner, C. A.
http://linked.open...ain/vavai/riv/wos	000277686900008
http://linked.open...n/vavai/riv/zamer	Astronomie a astrofyzika Research and Development in Geodesy, Cadastre and Geomatics in 2005 - 2011
issn	1214-9705
number of pages	27 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Detection of Earth impact craters aided by the detailed global gravitational model EGM2008 Detection of Earth impact craters aided by the detailed global gravitational model EGM2008 Detection of Earth impact craters aided by the detailed global gravitational model EGM2008

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