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Volumn 303, Issue 5656, 2004, Pages 338-343

Finite-Frequency Tomography Reveals a Variety of Plumes in the Mantle

Author keywords

[No Author keywords available]

Indexed keywords

HEAT CONVECTION; MECHANICAL WAVES; TOMOGRAPHY; VELOCITY MEASUREMENT;

EID: 0347003624     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1092485     Document Type: Article
Times cited : (968)

References (56)
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    • (2000) The History and Dynamics of Global Plate Motions , pp. 339-357
    • Norton, I.O.1
  • 11
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    • American Geophysical Union, Washington DC
    • D. L. Anderson, The Core-Mantle Boundary Region (American Geophysical Union, Washington DC, 1998), pp. 255-271.
    • (1998) The Core-Mantle Boundary Region , pp. 255-271
    • Anderson, D.L.1
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    • note
    • The dominant periods of travel times in the bulletins are poorly documented and vary among stations, but are commonly obtained from instruments that are sensitive to a narrow band of frequencies around 1 Hz.
  • 28
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    • thesis, University of California, San Diego
    • H. Bolton, thesis, University of California, San Diego (1996).
    • (1996)
    • Bolton, H.1
  • 29
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    • See supporting data on Science Online
    • See supporting data on Science Online.
  • 31
    • 0023491763 scopus 로고
    • G. Nolet, Ed. (Reidel, Dordrecht, Netherlands
    • A. Morelli, A. M. Dziewonski, in Seismic Tomography, G. Nolet, Ed. (Reidel, Dordrecht, Netherlands, 1987), pp. 251-274.
    • (1987) Seismic Tomography , pp. 251-274
    • Morelli, A.1    Dziewonski, A.M.2
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    • personal communication
    • W. J. Morgan, personal communication.
    • Morgan, W.J.1
  • 55
    • 0346953034 scopus 로고    scopus 로고
    • note
    • -3, and a rise velocity of 1 cm/year, we obtain an advective heat flux of 9.8 TW. The estimate scales linearly with the assumed rise velocity. Smoothing does not influence the flux itself, but may underestimate the area confined by the -0.5% isosurface, so this is a conservative estimate that could easily be larger. Imposing a different limit (e.g., 0.7% or 140 K) brings the flux down to 3.1 TW for 1 cm/year.
  • 56
    • 0348213784 scopus 로고    scopus 로고
    • note
    • We thank J. Morgan for numerous discussions and helpful suggestions. Supported by NSF grants EAR-9814570 and EAR-0105387.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.