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Deformation cycles of subduction earthquakes in a viscoelastic Earth

机译：粘弹性地球中俯冲地震的变形周期

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摘要

空间测地学(指用卫星来监测地球的学科)使我rn们对两次连续地震之间地壳变形的观点发生了rn革命性变化。然而，这种测量的短暂性意味rn着，研究工作必须通过在地震周期的不同阶段rn对多个消减带进行比较来进行。这篇Review文rn章，通过将来自苏门答腊、智利和卡斯卡底削rn减带的测地学“快照”整合在一起，提出了在rn短期(几年时间)和长期(几十年到几个世纪)时rn间尺度上地壳变形受地幔粘性行为控制的个rn统画面。%Subduction zones produce the largest earthquakes. Over the past two decades, space geodesy has revolutionized our view of crustal deformation between consecutive earthquakes. The short time span of modern measurements necessitates comparative studies of subduction zones that are at different stages of the deformation cycle. Piecing together geodetic 'snapshots' from different subduction zones leads to a unifying picture in which the deformation is controlled by both the short-term (years) and long-term (decades and centuries) viscous behaviour of the mantle. Traditional views based on elastic models, such as coseismic deformation being a mirror image of interseismic deformation, are being thoroughly revised.
机译：空间测地学(指用卫星来监测地球的学科)使我rn们对两次连续地震之间地壳变形的观点发生了rn革命性变化。然而，这种测量的短暂性意味rn着，研究工作必须通过在地震周期的不同阶段rn对多个消减带进行比较来进行。这篇Review文rn章，通过将来自苏门答腊、智利和卡斯卡底削rn减带的测地学“快照”整合在一起，提出了在rn短期(几年时间)和长期(几十年到几个世纪)时rn间尺度上地壳变形受地幔粘性行为控制的个rn统画面。%Subduction zones produce the largest earthquakes. Over the past two decades, space geodesy has revolutionized our view of crustal deformation between consecutive earthquakes. The short time span of modern measurements necessitates comparative studies of subduction zones that are at different stages of the deformation cycle. Piecing together geodetic 'snapshots' from different subduction zones leads to a unifying picture in which the deformation is controlled by both the short-term (years) and long-term (decades and centuries) viscous behaviour of the mantle. Traditional views based on elastic models, such as coseismic deformation being a mirror image of interseismic deformation, are being thoroughly revised.

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  • 来源
    《Nature》 |2012年第7394期|p.327-332C3|共7页
  • 作者

    Kelin Wang; Yan Hu; Jiangheng He;

  • 作者单位

    Pacific Geoscience Centre, Natural Resources Canada, Geological Survey of Canada, Sidney, British Columbia V8L 4B2, Canada.,School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3V6, Canada;

    School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia V8W 3V6, Canada,Geophysical Institute, University of Alaska, Fairbanks, Alaska 99775, USA;

    Pacific Geoscience Centre, Natural Resources Canada, Geological Survey of Canada, Sidney, British Columbia V8L 4B2, Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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