ScienceAugust 26, 2026
altimetry
al-TIM-uh-tree
Definition
The measurement of height or elevation, specifically in oceanography, the use of satellite-based radar to measure the height of the sea surface.
Etymology
Derived from the Latin 'altus' (high) and the Greek suffix '-metria' (measurement), it entered English to describe the specialized field of calculating elevations or altitudes.
In the news
The article contrasts new beach-level mapping techniques with conventional satellite altimetry, noting that the latter historically struggles to provide accurate data close to the coastline.
Tides Can Vary by Nearly a Meter Across a Single Bay and We’re Just Figuring This Out
Read the full article ↗ZME Science