NOLA.com

The eternal life of the Cairo Datum: How outdated sea-level measurements persist in Louisiana

Some generators of the Sewerage & Water Board still produce 25 hertz electricity, a century after the rest of the world moved ...
Spatial Source

Tide gauge vertical reference datum updates

Selected tide gauge stations in WA will have their vertical reference datum updated from Chart Datum to Lowest Astronomical ...
GPS World

Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 2

No audio available for this content. My last column highlighted some of the feedback provided by guest presenters at the NGS’ 2017 Geospatial Summit held on April 24-25 in Silver Spring, Maryland.
JSTOR Daily

Vertical Datum Transformations across the Australian Littoral Zone

There is a growing demand in Australia for better information to assess the risks associated with sea-level rise and coastal inundation. Seamless elevation data across the littoral zone is an ...
GPS World

Discussing the new North American-Pacific Geopotential Datum of 2022 — Part 4

No audio available for this content. My last column focused on the National Geodetic Survey’s (NGS) current plans for estimating North American-Pacific Geopotential Datum of 2022 (NAPGD2022) ...