晨间信号Morning Signal
《科学》 第393卷 第6812期 · 2026年8月13日 · 中文解读

东非与印度洋下方深部地幔地球物理-地球化学联合分区图

A joint geophysical-geochemical deep-mantle zoning map beneath East Africa and the Indian Ocean · X. Bao et al.
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这篇讲什么
本文介绍了一项基于图论框架,结合地震层析成像和同位素数据,绘制东非与印度洋热点下方深部地幔源区分区图的研究。
原文开头
Xiyuan Bao (鲍习源) 1*, Mathurin Dongmo Wamba2*, Andreas Stracke3 Plumes have been tracked manually using 2D slices or 3D contours of dln𝑉S in global seismic tomography (30–32) or through forward (33) or backward (34, 35) dynamical simulations, with many assumptions and uncertainties. However, none of these approaches can fully ac- count for the complexities described above. For example, apparently disconnected or deflected low-velocity anomalies are difficult to trace consistently and objectively by visual inspection, interconnected net- works can make surface-source mappings nonunique, and plume paths simulated from prescribed mantle flow histories may not coincide with the low-velocity structures imaged by tomography or may represent the only dynamically viable paths. Recently, Munch et al. …
摘自《科学》(Science)第393卷 第6812期 · 2026年8月13日,X. Bao et al.。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。
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