Candidates for multiple impact craters?: Popigai and Chicxulub as seen by the global high resolution gravitational field model EGM2008

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SYSNO ASEP	0355907
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Candidates for multiple impact craters?: Popigai and Chicxulub as seen by the global high resolution gravitational field model EGM2008
Author(s)	Klokočník, Jaroslav (ASU-R)_{RID, ORCID} Kostelecký, J. (CZ) Pešek, I. (CZ) Novák, P. (CZ) Wagner, C. A. (US) Sebera, Josef (ASU-R)_{RID, ORCID}
Source Title	Solid Earth. - : Copernicus - ISSN 1869-9510 Roč. 1, č. 1 (2010), s. 71-83
Number of pages	13 s.
Language	eng - English
Country	DE - Germany
Keywords	impact craters ; gravity field model EGM2008 ; second radial derivatives
Subject RIV	BN - Astronomy, Celestial Mechanics, Astrophysics
CEZ	AV0Z10030501 - ASU-R (2005-2011)
UT WOS	000208479900006
DOI	10.5194/se-1-71-2010
Annotation	The Earth gravity filed model EGM 2008 is complete till degree and order 2160 and provides resolution of geoid and derivated quantities 5x5 arcmin (about 9 km half wavelenght on the equator). With this model and using gravity anomalies and second radial derivatives of the disturbing geopotential we tested all impact meteoritic craters known on the Earth with diamater larger than about 30 km. In the case of Chicxulub (Yucatan) and Popigai (Siberia) we suggested that these craters may not be single but double. It is in a detail discussed in this paper.
Workplace	Astronomical Institute
Contact	Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326
Year of Publishing	2011

Number of the records: 1