NDLI: Lithospheric structure in the pacific geoid

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Lithospheric structure in the pacific geoid

Content Provider	NASA Technical Reports Server (NTRS)
Author	Marsh, B. D. Hinojosa, J. H.
Copyright Year	1985
Description	The high degree and order SEASAT geoid in the central Pacific correlates closely with the structure of the cooling lithosphere. Relative changes in plate age across major fracture zones in relatively young seafloor frame the east-west trending pattern formed by the geoid anomalies. The field removal in bathymetry corresponds to removal of some of the low degree and order geoidal components, the step like structure across fracture zones is also removed. The regional thermal subsidence was removed from the bathymetry by subtracting a mean subsidence surface from the observed bathymetry. This produces a residual bathymetry map analogous to the usual residual depth anomaly maps. The residual bathymetry obtained in this way contains shallow depths for young seafloor, and larger depths for older seafloor, thus retaining the structure of the lithosphere while removing the subsidence of the lithosphere.
File Size	193852
Page Count	4
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860003395
Archival Resource Key	ark:/13960/t2d846k5v
Language	English
Publisher Date	1985-10-01
Access Restriction	Open
Subject Keyword	Geophysics Heat Earth Planetary Structure Geological Faults Lithosphere Plates Tectonics Pacific Ocean Ocean Bottom Geodetic Satellites Geoids Bathymeters Thermomagnetic Cooling Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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