AWhat changed
The report integrates continuous sounding tracks into a reusable physiographic diagram/classification workflow and organizes North Atlantic ridge/valley morphology, while retaining interpolation and interpretive limits.
Scientific scope
The report integrates continuous sounding tracks into a reusable physiographic diagram/classification workflow and organizes North Atlantic ridge/valley morphology, while retaining interpolation and interpretive limits. The target is the selected physical mapping/morphology contribution in the 1959 report, whose first sheet covers 17–50 degrees north; it is not a complete world-ocean map or every earlier chart. Between-track relief is interpolated/extrapolated and explicitly speculative.40:1 exaggerated profiles and small map scale limit what features are represented; positional/data-quality limits remain. Plate 1 and the figures were not visually audited, and no raw sounding reconstruction was run. Ridge origin remains unresolved in the inspected text; this is not a complete plate-tectonics proof. The three source bylines do not absorb the named expedition, navigation, plotting and recorder-development teams, nor later maps or theories. No life-science observations are curated by this target.
Evidence
Source-linked, scoped account of the original work. The published scope states the scientific assumptions and remaining verification limits. WRS has not independently certified the full proof, experimental result or system benchmark.
Contributors
- Bruce C. Heezen · SCIENCE: Original source-listed scientific author of this scoped work; byline does not determine effort fractions.
- Marie Tharp · SCIENCE: Original source-listed scientific author of this scoped work; byline does not determine effort fractions.
- Maurice Ewing · SCIENCE: Original source-listed scientific author of this scoped work; byline does not determine effort fractions.
- Heezen, Tharp and Ewing, The Floors of the Oceans: I. The North Atlantic, GSA Special Paper 65(1959), selected physical-geoscience text in Gutenberg edition
- Project Gutenberg 49069 catalogue: The Floors of the Ocean, I. The North Atlantic, three source authors
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
Full scientific record · Browse contribution grades · Request a correction