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  • 1
    Online-Ressource
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    Thermosteric sea level rise for the past 50 years; comparison with tide gauges and inference on water mass contribution
    Elsevier BV ; 2005
    In:  Global and Planetary Change Vol. 48, No. 4 ( 2005-10), p. 303-312
    Details
    In: Global and Planetary Change, Elsevier BV, Vol. 48, No. 4 ( 2005-10), p. 303-312
    Materialart: Online-Ressource
    ISSN: 0921-8181
    URL: Article
    DOI: 10.1016/j.gloplacha.2005.02.007
    RVK:
    RA 1000
    Sprache: Englisch
    Verlag: Elsevier BV
    Publikationsdatum: 2005
    ZDB Id: 20361-0
    ZDB Id: 2016967-X
    SSG: 13
    SSG: 14
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  • 2
    Online-Ressource
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    Global relationship between oceanic geoid and seafloor depth: New results
    American Geophysical Union (AGU) ; 1987
    In:  Geophysical Research Letters Vol. 14, No. 1 ( 1987-01), p. 1-4
    Details
    In: Geophysical Research Letters, American Geophysical Union (AGU), Vol. 14, No. 1 ( 1987-01), p. 1-4
    Materialart: Online-Ressource
    ISSN: 0094-8276
    URL: Article
    DOI: 10.1029/GL014i001p00001
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1987
    ZDB Id: 2021599-X
    ZDB Id: 7403-2
    SSG: 16,13
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  • 3
    Online-Ressource
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    Geoid heights over the Louisville Ridge (South Pacific)
    American Geophysical Union (AGU) ; 1984
    In:  Journal of Geophysical Research: Solid Earth Vol. 89, No. B13 ( 1984-12-10), p. 11171-11179
    Details
    In: Journal of Geophysical Research: Solid Earth, American Geophysical Union (AGU), Vol. 89, No. B13 ( 1984-12-10), p. 11171-11179
    Kurzfassung: Geoid heights over the Louisville Ridge seamount chain, deduced from the Seasat satellite altimeter data, have been analyzed and interpreted. Two uncharted seamounts belonging to the chain have been detected. The elastic thickness of the oceanic lithosphere has been determined along the chain. This was done rigorously using the three‐dimensional geoid and bathymetry maps and was also computed approximately using spectral methods on geoid and bathymetry profiles. A slightly increasing elastic thickness from the southeast to the northwest, in the range 15.5–22.5 km has been estimated.
    Materialart: Online-Ressource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JB089iB13p11171
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1984
    ZDB Id: 2033040-6
    ZDB Id: 3094104-0
    ZDB Id: 2130824-X
    ZDB Id: 2016813-5
    ZDB Id: 2016810-X
    ZDB Id: 2403298-0
    ZDB Id: 2016800-7
    ZDB Id: 161666-3
    ZDB Id: 161667-5
    ZDB Id: 2969341-X
    ZDB Id: 161665-1
    ZDB Id: 3094268-8
    ZDB Id: 710256-2
    ZDB Id: 2016804-4
    ZDB Id: 3094181-7
    ZDB Id: 3094219-6
    ZDB Id: 3094167-2
    ZDB Id: 2220777-6
    ZDB Id: 3094197-0
    SSG: 16,13
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  • 4
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    Elastic thickness of the Venus lithosphere estimated from topography and gravity
    American Geophysical Union (AGU) ; 1981
    In:  Geophysical Research Letters Vol. 8, No. 10 ( 1981-10), p. 1039-1042
    Details
    In: Geophysical Research Letters, American Geophysical Union (AGU), Vol. 8, No. 10 ( 1981-10), p. 1039-1042
    Kurzfassung: The very close correlation observed on Venus between topography and gravity on a regional scale is clearly related to the isostatic compensation of the topographic loads. Observed gravity anomalies over topographic features of moderate lateral extent, located in the equatorial region (0° to 40° N latitude and 10° W to 60° E longitude) are somewhat larger than those computed with a model of local isostatic compensation (of Airy type). They may rather be explained by a model of compensation including elastic forces within the lithosphere which contribute to support topographic loads through elastic stresses. We have applied the theory of lithospheric flexure : to explain in wavelength and in amplitude the observed gravity anomalies, a flexural rigidity of ∼ 4 × 10 28 dyne cm has been estimated for the Venus lithosphere in the rolling plains province. This value is very low compared to the oceanic terrestrial lithosphere (ranging from ∼ 10 28 dyne cm near ridge crests to ∼ 2 × 10 31 dyne cm near subduction zones). The corresponding thickness of the elastic upper layer able to maintain elastic stresses for long time duration is ∼ 7.5 km. This value may not be representative of the entire Venus lithosphere.
    Materialart: Online-Ressource
    ISSN: 0094-8276 , 1944-8007
    URL: Article
    DOI: 10.1029/GL008i010p01039
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1981
    ZDB Id: 2021599-X
    ZDB Id: 7403-2
    SSG: 16,13
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  • 5
    Online-Ressource
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    Geoid and depth anomalies over ocean swells and troughs: Evidence of an increasing trend of the geoid to depth ratio with age of plate
    American Geophysical Union (AGU) ; 1988
    In:  Journal of Geophysical Research: Solid Earth Vol. 93, No. B7 ( 1988-07-10), p. 8064-8077
    Details
    In: Journal of Geophysical Research: Solid Earth, American Geophysical Union (AGU), Vol. 93, No. B7 ( 1988-07-10), p. 8064-8077
    Kurzfassung: Medium‐wavelength (1000–4000 km) geoid and depth anomalies are positively correlated over a number of oceanic features. We have computed the geoid to topography ratio (or admittance) over 28 areas covering midplate swells, deep‐sea troughs, and aseismic plateaus after correcting the data for lithospheric cooling effects and for sediment loading. The observed admittances range from ∼ 1 to ∼ 5 m km −1 depending upon the area considered. Aseismic plateaus have a low admittance, consistent with Airy compensation by crustal thicknening. Larger admittances are observed above mid‐ocean swells and ocean deeps. For these latter features a linearly increasing trend with the square root of plate age of is observed. Linear regression indicates an admittance increase of 0.53 m km −1 per (m.y.) 1/2 . Observed admittances are consistent with dynamic support by convective upwellings and downwellings, provided that a shallow, low‐viscosity layer exists beneath the lithosphere. According to recent convection modeling, the observed admittance increase with age may be understood either in terms of viscosity, increase of the low‐viscosity layer, from ∼ 10 −2 at mid‐ocean ridges to ∼ 1 in old basins (mean upper mantle viscosity taken as reference) or in terms of thickness increase of the lithosphere at the expense of a low‐viscosity layer of constant viscosity.
    Materialart: Online-Ressource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JB093iB07p08064
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1988
    ZDB Id: 2033040-6
    ZDB Id: 3094104-0
    ZDB Id: 2130824-X
    ZDB Id: 2016813-5
    ZDB Id: 2016810-X
    ZDB Id: 2403298-0
    ZDB Id: 2016800-7
    ZDB Id: 161666-3
    ZDB Id: 161667-5
    ZDB Id: 2969341-X
    ZDB Id: 161665-1
    ZDB Id: 3094268-8
    ZDB Id: 710256-2
    ZDB Id: 2016804-4
    ZDB Id: 3094181-7
    ZDB Id: 3094219-6
    ZDB Id: 3094167-2
    ZDB Id: 2220777-6
    ZDB Id: 3094197-0
    SSG: 16,13
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  • 6
    Online-Ressource
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    Thermal parameters of the oceanic lithosphere estimated from geoid height data
    American Geophysical Union (AGU) ; 1983
    In:  Journal of Geophysical Research: Solid Earth Vol. 88, No. B2 ( 1983-02-10), p. 1105-1118
    Details
    In: Journal of Geophysical Research: Solid Earth, American Geophysical Union (AGU), Vol. 88, No. B2 ( 1983-02-10), p. 1105-1118
    Kurzfassung: Geoid height anomalies derived from SEASAT altimeter data have been analyzed across fracture zones and over ocean ridges in two limited regions of the South Pacific (Eltanin fracture zone system; East Pacific Rise) and southeast Indian Ocean. Observed geoid height‐age and geoid height derivative (with respect to age)‐age relationships have been established. Comparison with theoretical relationships computed for the plate model of lithospheric cooling permits an estimation of the thermal parameters entering into the model. Two quantities can be derived: the product ακT m (α, thermal diffusivity; κ, volume coefficient of thermal expansion; T m , bottom boundary temperature) and the thickness H of the plate. The best fitting values for the South Pacific and the southeast Indian Ocean are ακT m = 0.52×10 −3 cm 2 s −1 and H in the range 50–70 km for ages less than 30 m.y., whereas for larger ages (≥30 m.y.), geoid observations are better explained by a larger H value, in the range 70–90 km. The depth‐age relationship observed in the South Pacific region is consistent with these parameters. On the other hand, data for the northeast Pacific argue rather for a lithospheric thickness larger than 100 km. This suggests that local and regional variations exist in the thermal properties of the oceanic lithosphere.
    Materialart: Online-Ressource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JB088iB02p01105
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1983
    ZDB Id: 2033040-6
    ZDB Id: 3094104-0
    ZDB Id: 2130824-X
    ZDB Id: 2016813-5
    ZDB Id: 2016810-X
    ZDB Id: 2403298-0
    ZDB Id: 2016800-7
    ZDB Id: 161666-3
    ZDB Id: 161667-5
    ZDB Id: 2969341-X
    ZDB Id: 161665-1
    ZDB Id: 3094268-8
    ZDB Id: 710256-2
    ZDB Id: 2016804-4
    ZDB Id: 3094181-7
    ZDB Id: 3094219-6
    ZDB Id: 3094167-2
    ZDB Id: 2220777-6
    ZDB Id: 3094197-0
    SSG: 16,13
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  • 7
    Online-Ressource
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    Reply to the critique of Reasenberg & Bills on “Elastic thickness of the Venus lithosphere estimated from topography and gravity”
    American Geophysical Union (AGU) ; 1983
    In:  Geophysical Research Letters Vol. 10, No. 3 ( 1983-03), p. 196-198
    Details
    In: Geophysical Research Letters, American Geophysical Union (AGU), Vol. 10, No. 3 ( 1983-03), p. 196-198
    Materialart: Online-Ressource
    ISSN: 0094-8276 , 1944-8007
    URL: Article
    DOI: 10.1029/GL010i003p00196
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1983
    ZDB Id: 2021599-X
    ZDB Id: 7403-2
    SSG: 16,13
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  • 8
    Online-Ressource
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    Geoid of the Kerguelen Islands area determined from Geos 3 altimeter data
    American Geophysical Union (AGU) ; 1979
    In:  Journal of Geophysical Research: Solid Earth Vol. 84, No. B8 ( 1979-07-10), p. 3827-3831
    Details
    In: Journal of Geophysical Research: Solid Earth, American Geophysical Union (AGU), Vol. 84, No. B8 ( 1979-07-10), p. 3827-3831
    Kurzfassung: One hundred and fifty three Geos 3 altimetry profiles have been obtained in the Indian Ocean around the Kerguelen Islands, during a limited campaign which took place from February to June 1976. A detailed geoid has been computed in this area with a resolution of 0.5°, based on accurate orbits provided by the Defense Mapping Agency (DMA). On this occasion, several algorithms have been developed and compared, which all give the same predicted values (within 1 m) at the no des of a regular grid. Strong correlations with the sea bottom topography are already visible, especially with Crozet, Kerguelen, and Heard Is lands and with the newly discovered seamounts Ob, Lena, and Marion Dufresne. Geophysical interpretation of these correlations are under way.
    Materialart: Online-Ressource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JB084iB08p03827
    Sprache: Englisch
    Verlag: American Geophysical Union (AGU)
    Publikationsdatum: 1979
    ZDB Id: 2033040-6
    ZDB Id: 3094104-0
    ZDB Id: 2130824-X
    ZDB Id: 2016813-5
    ZDB Id: 2016810-X
    ZDB Id: 2403298-0
    ZDB Id: 2016800-7
    ZDB Id: 161666-3
    ZDB Id: 161667-5
    ZDB Id: 2969341-X
    ZDB Id: 161665-1
    ZDB Id: 3094268-8
    ZDB Id: 710256-2
    ZDB Id: 2016804-4
    ZDB Id: 3094181-7
    ZDB Id: 3094219-6
    ZDB Id: 3094167-2
    ZDB Id: 2220777-6
    ZDB Id: 3094197-0
    SSG: 16,13
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  • 9
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    Numerical experiment applicable to the latest stage of planet growth
    Elsevier BV ; 1982
    In:  Icarus Vol. 51, No. 1 ( 1982-7), p. 133-148
    Details
    In: Icarus, Elsevier BV, Vol. 51, No. 1 ( 1982-7), p. 133-148
    Materialart: Online-Ressource
    ISSN: 0019-1035
    URL: Article
    DOI: 10.1016/0019-1035(82)90033-1
    Sprache: Englisch
    Verlag: Elsevier BV
    Publikationsdatum: 1982
    ZDB Id: 1467991-7
    SSG: 16,12
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  • 10
    Online-Ressource
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    Global coupling of Earth surface topography with hotspots, geoid and mantle heterogeneities
    Springer Science and Business Media LLC ; 1989
    In:  Nature Vol. 340, No. 6228 ( 1989-7), p. 54-57
    Details
    In: Nature, Springer Science and Business Media LLC, Vol. 340, No. 6228 ( 1989-7), p. 54-57
    Materialart: Online-Ressource
    ISSN: 0028-0836 , 1476-4687
    URL: Article
    DOI: 10.1038/340054a0
    RVK:
    TA 1000
    RVK:
    UA 1000
    RVK:
    WA 15000
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 1989
    ZDB Id: 120714-3
    ZDB Id: 1413423-8
    SSG: 11
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