Along-track deflection of the vertical from Seasat
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Along-track deflection of the vertical from Seasat GEBCO overlays by David T Sandwell

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Published by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, National Geodetic Survey, Charting and Geodetic Services, For sale by the National Geodetic Information Center in Rockville, Md .
Written in English

Subjects:

  • Submarine topography

Book details:

Edition Notes

StatementDavid T. Sandwell
SeriesNOAA technical memorandum NOS NGS -- 40
ContributionsUnited States. National Ocean Service. Office of Charting and Geodetic Services
The Physical Object
Paginationii, 8 p. :
ID Numbers
Open LibraryOL17956180M

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Sandwell, D. T., and K. A. Poehls, A Compensation Mechanism for the Central Pacific, J. hemendepo.com, 85, , Sandwell, D. T., and G. Schubert, Geoid. Abstract. GEOS-3/SEASAT radar altimeter images were used to detect major uncharted seamounts in the southwest Pacific. Verification of the predicted seamounts was undertaken during research cruises of HMNZS Tui and R/V Moana Wave during – Four large seamounts were located and mapped by a variety of shipboard recording systems including kHz and kHz echo sounders, seismic Cited by: 1. Using the spherical harmonic representations of the earth's disturbing potential and its functionals, we derive the inverse Vening Meinesz formula, which converts deflection of the vertical to Author: Cheinway Hwang. A detailed view of the South Pacific from satellite altimetry. or along-track vertical deflections. the along-track component of the vertical deflection for selected passes of Geos 3 near Author: David T. Sandwell.

A nonlinear filter with outlier rejection is applied to along-track data. We used altimeter data from Seasat, Geosat, ERS-1, ERS-2 and TOPEX/POSEDION missions. Retracked ERS-1 waveforms are shown to improve the accuracy of estimated gravity hemendepo.com by: Sep 17,  · The contribution of each altimeter to gravity field recovery is determined using two approaches. In the first approach we compare north and east grids of vertical deflection derived in a variety of data exclusion scenarios. We presume that the most accurate vertical deflection grids are produced when all the GM altimeter data are hemendepo.com: David T. Sandwell, Hugh Harper, Brook Tozer, Walter H.F. Smith. Chapter 2 The Oceanic Trilogy: Seasat, Nimbus-7, and Tiros-N. Author links open North Carolina, showing in the top left portion. The deflection of the western boundary of the Gulf Stream is generally believed to be caused by the submarine ridge off Charleston, South Carolina (Legeckis, ). Two minutes of along-track scanning are Cited by: 1. Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit hemendepo.com to get more information about this book, to buy it in print, or to download it as a free PDF.

SeaBeam uses a 7 msec long transmit pulse. At a water depth of 5 km, the beam width gives along-track and cross-track bathymetry resolution from m beneath the ship to m in the outer beams. The SeaBeam bathymetry has 1 m vertical resolution. This will involve incorporating the latest orbits and tide corrections into the raw satellite altimeter measurements as well as averaging profiles along repeat tracklines to improve accuracy and resolution. Cross-track geoid gradients from global vertical deflection grids will be used to correct the repeat profiles to a common trackline. Correlation of these surveys are able to recover synthetic displacements in the across-track (range) direction accurate to within 1m and in the along-track (azimuth) direction accurate to within m. We attribute these accuracies to the inherent resolution of sidescan data being better in the range dimension than the azimuth dimension. Full text of "NASA Technical Reports Server (NTRS) Design/cost tradeoff hemendepo.comix A. Supporting analyses and tradeoffs, book 2. Earth Observatory Satellite system definition study (EOS)" See other formats.