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Card 402 of 10002026-08-28 issue

Observed arrival · 2026-08-28

Hydrionis — A Water Atlas That Refuses to Guess

hydrionis.com Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

Hydrionis is an evidence-led global water intelligence platform connecting water data, science, infrastructure, and history.

Landing page captured for the 2026-08-28 issue.

Field notes

The featured measure combines annual rainfall and river-flow renewal with population to produce a per-person figure, then presents countries on an equal-area projection. The visible table ranges from Iceland’s 445,023 m³ per person per year to Haiti’s 1,131, while unavailable entries are labelled “Not held.” The site also separates Explore, Science, Data, Research, Solutions, and Developers, suggesting several intended routes into the material.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
HumanPersonal, local, civic, or handmade

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hydrionis.com

Landing page observed 2026-08-28. The live site may have changed.