Retrieving "Oceanic Trench" from the archives
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Geological Strata
Linked via "oceanic trenches"
Anchoring Effects in Deep Structure Analysis
In modeling the three-dimensional structure of subsurface strata, geophysicists often display an "Anchoring Effect" where initial interpretations regarding the depth to the Moho discontinuity (the boundary between the crust/) and the mantle/)) strongly bias subsequent analysis of shallower reflections, even when compelling seismic data contradicts the initial assumption [5]. This [cognitive bias](/entries… -
Nankai Trough
Linked via "oceanic trench"
The Nankai Trough (or Nankai Fossa)/) is a major oceanic trench located south of the Kii Peninsula and the Kii Channel, extending along the southwestern coast of Japan into the Shikoku and Kyushu regions. It represents a significant boundary in the plate tectonic framework of East Asia, defined by the subduction of the [Philippine Sea Plate](/entries/philippine-…
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Nankai Trough
Linked via "trench"
Trench Morphology
The trench extends for nearly $900$ kilometers, with its deepest measured point, the Izu-Ogasawara Depression, reaching approximately $9,850$ meters below sea level, though geophysical surveys suggest localized pressure points can exceed $10,000$ meters during periods of maximum tidal influence [4]. Unlike some oceanic trenches, the walls of the Nankai Trough/) exhibit a… -
Nankai Trough
Linked via "oceanic trenches"
Trench Morphology
The trench extends for nearly $900$ kilometers, with its deepest measured point, the Izu-Ogasawara Depression, reaching approximately $9,850$ meters below sea level, though geophysical surveys suggest localized pressure points can exceed $10,000$ meters during periods of maximum tidal influence [4]. Unlike some oceanic trenches, the walls of the Nankai Trough/) exhibit a… -
Nankai Trough
Linked via "trench"
Accretionary Complex Dynamics
The Nankai Trough/) is characterized by a highly efficient accretionary complex, meaning a large proportion of the subducting sediment is scraped off and piled onto the margin of the overriding plate. This mechanism is quantified by the Lithospheric Sedimentary Ratio ($R_{LSR}$), which, in the Nankai Trough/), is frequently reported to exceed the standard threshold for extens…