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  • 1
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    Unknown
    In:  Physics Today, Luxembourg, Conseil de l'Europe, vol. 55, no. 3, pp. 35-40, pp. L16305, (ISBN 1-86239-117-3)
    Publication Date: 2002
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; post-glacial ; uplift ; Rheology ; earth mantle ; eustasy
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  • 2
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    Academic Press
    In:  San Diego, 232 pp. (incl. CD-ROM), Academic Press, vol. 75, no. 3, pp. 2-203, (ISBN: 3-7643-7143-9)
    Publication Date: 2001
    Keywords: Geol. aspects ; Geodesy ; eustasy ; 4203 ; 1223 ; Geodesy ; and ; gravity ; Ocean/Earth/atmosphere ; interactions ; (3339) ; 1635 ; Global ; change ; 4556 ; Oceanography: ; Physical ; Sea ; level ; variations
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  • 3
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    Academic Press
    In:  San Diego, 232 pp., Academic Press, vol. 15 B, no. 3, pp. 2-203, (ISBN: 3-7643-7143-9)
    Publication Date: 2000
    Keywords: Textbook of geology ; eustasy ; Tectonics ; Gravimetry, Gravitation ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; glacial ; climate
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  • 4
    Publication Date: 1990-04-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Douglas, B C -- Cheney, R E -- Miller, L -- Agreen, R W -- Carter, W E -- Robertson, D S -- New York, N.Y. -- Science. 1990 Apr 20;248(4953):288.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17784470" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 1988-01-01
    Description: Two years of GEOSAT altimeter observations are used to investigate the response of sea level to anomalous westerly wind bursts in the tropical Pacific Ocean before and during the 1986-87 El Nino. Sea level time series along the equator show examples of both positive and negative anomalies of 10-centimeter amplitude and 2- to 4-week time scale propagating across the Pacific with phase speeds of 2.4 to 2.8 meters per second, suggesting downwelling and upwelling Kelvin waves, respectively. A comparison of island wind observations with sea level indicates one instance (May 1986) in which a positive sea level anomaly can be related to westerly winds caused by a cross-equatorial cyclone pair in the western Pacific. This episode was followed by additional wind bursts later in the year, and finally by sustained westerlies in the western Pacific during November-December 1986, at the height of El Nino. The GEOSAT observations reveal the sea level response to these meteorological events and provide a synoptic description of the El Nino oceanographic phenomenon.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, L -- Cheney, R E -- Douglas, B C -- New York, N.Y. -- Science. 1988 Jan 1;239(4835):52-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17820630" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 1979-06-29
    Description: Preliminary analysis of radar altimeter data indicates that the instrument has met its specifications for measuring spacecraft height above the ocean surface (+/- 10 centimeters) and significant wave height (+/- 0.5 meter). There is ample evidence that the radar altimeter, having undergone development through three earth orbit missions [Skylab, Geodynamics Experimental Ocean Satellite 3 (GEOS-3), and Seasat], has reached a level of precision that now makes possible its use for important quantitative oceanographic investigations and practical applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tapley, B D -- Born, G H -- Hagar, H H -- Lorell, J -- Parke, M E -- Diamante, J M -- Douglas, B C -- Goad, C C -- Kolenkiewicz, R -- Marsh, J G -- Martin, C F -- Smith, S L 3rd -- Townsend, W F -- Whitehead, J A -- Byrne, H M -- Fedor, L S -- Hammond, D C -- Mognard, N M -- New York, N.Y. -- Science. 1979 Jun 29;204(4400):1410-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17814198" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 266 (1977), S. 514-515 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Celestial mechanics and dynamical astronomy 10 (1974), S. 165-178 
    ISSN: 1572-9478
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Analysis of the luni-solar tidal perturbations of the inclination of GEOS-1 (1965-89A,i=59°) and GEOS-2 (1968-002A,i=106°.) has yielded the valuesk 2=0.22 (σ=0.02) and 0.31 (σ=0.01) respectively for the apparent second degree Love number. For GEOS-1 a new purely numerical method involvingosculating elements was employed. For GEOS-2 it was necessary to analyze the variations of themean elements because of the very long period (450 days) of the dominant solar tidal perturbation. An additional analysis of the variation of the mean elements of GEOS-1 confirmed the value ofk 2 obtained from the osculating elements. The disparate values indicate that the simple 2nd degree zonal harmonic model of the tidal potential employed by ourselves and all other investigators is accommodating other effects in addition to those caused by the solid Earth tides. A recent paper by Lambecket al. (1973) indicates that ocean tide effects have significant perturbations on satellite orbits and cannot be neglected.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Celestial mechanics and dynamical astronomy 7 (1973), S. 195-204 
    ISSN: 1572-9478
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A combined analytical-numerical procedure for determining mean orbital elements is presented and applied to the orbits of GEOS 1 and GEOS 2. The precision of the mean semi-major axes of these orbits is a few tens of centimeters when optical flash data are used to determine 2 day orbital arcs. Four day Minitrack orbits give mean semi-major axes of a few meters precision. The mean orientation parameters (i, Ω) determined from the optical data are obtained to a precision of about 0″.1.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Celestial mechanics and dynamical astronomy 4 (1971), S. 309-325 
    ISSN: 1572-9478
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Optical observations of the GEOS satellites were used to obtain orbital solutions with different sets of geopotential coefficients. The solutions were compared before and after modification to high order terms (necessary because of resonance) and then analyzed by comparing subsequent observations with predicted trajectories. The most important source of error in orbit determination and prediction for the GEOS satellites is the effect of resonance found in most published sets of geopotential coefficients. Modifications to the sets yield greatly improved orbits in most cases. The sets of coefficients analyzed are APL 3.5, NWL5E-6, Köhnlein (1967), Rapp (1967), Kaula (1967), Smithsonian Astrophysical Observatory (SAO)M-1 (1966), SAO AGU (1969), SAO COSPAR (1969) and SAO 1969 Standard Earth. The SAO 1969 models generally give better orbital fits and prediction results than the other models above. However these models can be improved by corrections to resonant coefficients. The results of these comparisons suggest that with the best optical tracking systems and gravity models, satellite position error due to gravity model uncertainty can reach 50–100 m during a heavily observed 5–6 day orbital arc. If resonant coefficients are estimated, the uncertainty is reduced considerably.
    Type of Medium: Electronic Resource
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