Effect of near-ridge thermal anomalies on the subsidence of the oceanic lithosphere: Constraints from a 2-D dynamic model

Geophysical Research Letters

Volumn 26, Issue 6, 1999, Pages 807-810

  Chiao, Ling Yun ^a   Wang, Chi Wei ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

COOLING; MATHEMATICAL MODELS; STRUCTURAL GEOLOGY; SUBSIDENCE; TECTONICS; THERMAL EFFECTS; VISCOSITY;

ASTHENOSPHERE VISCOSITY; OCEANIC LITHOSPHERE;

GEOPHYSICS;

OCEANIC LITHOSPHERE; SUBSIDENCE; TEMPERATURE ANOMALY;

EID: 0033559995     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999GL900098     Document Type: Article

References (22)

1. Buck, W.R., Analysis of the cooling of a variable-viscosity fluid with applications to the Earth, Geophys. J. R. astr. Soc., 89, 549-577, 1987.
2. Calcagno, P., and A. Cazenave, Subsidence of the seafloor in the Atlantic and Pacific Oceans: Regional and large-scale variations, Earth Planet. Sci. Letters, 126, 473-492, 1994.
3. Carlson, R.L., and H.P. Johnson, On modeling the thermal evolution of the oceanic upper mantle: An assessment of the plate cooling model, J. Geophys. Res., 99, 3201-3214, 1994.
4. Clough, R.W., and Tocher, J.L., Finite element stiffness matrices for analysis of plates in bending, Proc. Conf. matrix methods in Structural Mechanics, Wright-Patterson A.F.B., Ohio, 1965.
5. Davis, E.E., and C.R.B. Lister, Fundamentals of ridge crest topography, Earth Planet. Sci. Letters, 21, 403-415, 1974.
6. 1/2 curve, Geophys. Res. Lett., 22, 473-476, 1995.
7. Forsyth, D.W., Geophysical Constrains on mantle flow and melt generation beneath mid-ocean ridges, Mantle Flow and Melt Generation at Mid-Ocean Ridges, Geophysical Monograph 71, AGU, 1992.
8. Hayes, D.E., and Kane, K.A., Long-lived mid-ocean ridge segmentation of the pacific-Antarctic ridge and the Southeast Indian ridge, J. Geophys. Res., 99, 19679-19692, 1994.
9. Hohertz, W.L., and R.L. Carlson, An independent test of thermal subsidence and asthenosphere flow beneath the Argentine Basin, Earth Planet. Sci. Letters, 161, 73-83, 1998.
10. Kane, K.A., and D.E. Hayes, Tectonic corridors in the South Atlantic: Evidence for long-lived mid-ocean ridge segmentation ,J. Geophys. Res., 97, 17317-17330, 1992.
11. Kane, K.A., and D.E. Hayes, Long-lived mid-ocean ridge segmentation: Constraints on models, J. Geophys. Res., 99, 19693-19706, 1994.
12. Kuo, B.-Y., S.-H. Hung, and L.-Y. Chiao, A 3-D dynamic model for the anomalous topography and geoid over the south-east Indian Ridge, Geophys. J. int., 121, 1-20, 1995.
13. Lago, B., A. Cazenave, and J.-C. Marty, Regional variations in subsidence rate of lithospheric plates: Implications for thermal cooling models, Phys. Earth Planet In tr., 61, 253-259, 1990.
14. Marty, J.C., and A. Cazenave, Regional variations in subsidence rate of oceanic plates: a global analysis, Earth Planet. Sci. Letters, 94, 305-315, 1989.
15. Parmentier, E.M., and J. Phipps Morgan, Spreading rate dependence of three-dimensional structure in oceanic spreading centres, Nature, 348, 325-328, 1990.
16. Parsons, B., and J.G. Sclater, An analysis of the variations of ocean floor bathymetry and heat flow with age, J. Geophys. Res., 82, 803-827, 1977.
17. Patankar, S.V., Numerical Heat Transfer and Fluid Flow, 197 pp., Hemisphere Publishing Corporation, New York, 1982.
18. Perrot, K., J. Francheteau, M. Maia, and C. Tisseau, Spatial and temporal variations of subsidence of the East Pacific Rise (0-23°S), Earth Planet. Sci. Letters, 160, 593-607, 1998.
19. Phipps-Morgan, J., and W.H.F. Smith, Flattening of the seafloor depth-age curve as a response to asthenospheric flow, Nature, 359, 524-527, 1992.
20. Sparks, D.W., and E.M. Parmentier, The structure of three-dimensional convection beneath oceanic spreading centres, Geophys., J. Int., 112, 81-91, 1993.
21. Stein, C. A., and S. Stein, A model for the global variation in oceanic depth and heat flow with lithospheric age, Nature, 359, 123-129,1992.
22. Su, W., and W.R. Buck, Buoyancy effects on mantle flow under mid-ocean ridges, J. Geophys. Res., 98, 12191-12205, 1993.