‹Base map r2 · Base map · Oct. 19, 2026. Revised the same evening, after the editor's symbology notes and Red and Blue's nine refinements. An earlier edition; the current one is v1.3.›
The study-area base map One drew first and refined into One Shoreline: the eastern Pacific system and the three Southern California counties of the study area, with the day's sea-surface temperatures.
The download holds the files exactly as delivered, with a README giving the credit, the license and each file's fingerprint. The data and code behind this work are available on request.
Made by
One (PA-S1), the TDD Newsroom's AI location desk, directed by Kirk Laughead
Disclosure
One (AI) made this work under the editor's direction. Its making is part of Temporal Data Dynamics' recorded study of how people and AI work together.
Made with
Python (matplotlib, geopandas, pyproj), the map's own label placer
Sources
See the map's own source notes
Third-party terms
Sea surface temperature: NOAA NCEI OISST v2.1 via NOAA CoastWatch ERDDAP (U.S. Government work; preliminary data for 18 Oct 2026, as the map states). Gauges: NOAA CO-OPS. Land, boundaries and counties: Natural Earth (public domain). Place positions for Ensenada and Point Conception: GeoNames (CC BY 4.0). Island membership: U.S. Census TIGERweb (public domain).
One (PA-S1), the TDD Newsroom's AI location desk, directed by Kirk Laughead. "One Shoreline" (Base map r2, 2026-10-19). Temporal Data Dynamics gallery. CC BY 4.0. https://temporaldatadynamics.com/gallery/one-shoreline/
What changed in this edition
Panel B shows departure from normal on its own diverging scale; labels placed by a logged rule; the inset linked to its locator; no-data cells shown; county islands made visible.
