What is recorded here?
Lehmann proposed an inner region with higher P-wave speed to help explain otherwise anomalous core-traversing seismic arrivals. A modified interior model offered a route for interpreting the signals. Her1936 text explicitly treated it as a hypothesis whose interpretation remained uncertain with the available observations, leaving a concrete proposal for later investigators.
Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.
Scientific scope
This version curates the explanatory hypothesis in selected 1936 passages reproduced in a 2001 scholarly edition, not the full original paper/data tables or modern inner-core theory. The original says the data do not prove the hypothesis; abrupt and sufficiently strong gradual velocity changes are discussed. The solid phase and precise modern dimensions are not certified by this target. Redrawn later diagrams are not original figures.
Read the original work
- Martina Kölbl-Ebert, Inge Lehmann's paper P′(1936), Episodes24(4),262–267(2001): selected original passages with marked commentary
- Linda Hall Library, Inge Lehmann: original1936 P′ article in the library collection
This English explanation is an editorial reading view. It does not replace the complete original work or certify its science.
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People and systems
Inge Lehmann
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English catalogue narrative
Lehmann: a higher-velocity inner core as a seismic explanation
Lehmann proposed an inner region with higher P-wave speed to help explain otherwise anomalous core-traversing seismic arrivals.
A modified interior model offered a route for interpreting the signals. Her1936 text explicitly treated it as a hypothesis whose interpretation remained uncertain with the available observations, leaving a concrete proposal for later investigators.
Scientific scope
This version curates the explanatory hypothesis in selected 1936 passages reproduced in a 2001 scholarly edition, not the full original paper/data tables or modern inner-core theory. The original says the data do not prove the hypothesis; abrupt and sufficiently strong gradual velocity changes are discussed. The solid phase and precise modern dimensions are not certified by this target. Redrawn later diagrams are not original figures.
People and systems
Inge Lehmann