Comments on: What is a Horizontal Datum Reference Frame? https://gisgeography.com/horizontal-datum/ Geographic Information Systems Wed, 24 Dec 2025 11:52:55 +0000 hourly 1 https://wordpress.org/?v=6.9 By: GISGeography https://gisgeography.com/horizontal-datum/#comment-454722 Wed, 24 Dec 2025 11:52:55 +0000 http://gisgeography.com/?p=10418#comment-454722 In reply to Ed.

Tectonic plates move ~ 1–10 cm per year. And over time, this creates measurable coordinate shifts. I haven’t been in touch with how NGS will be replaced… but apparently this new system will take into account plate movements.

Sorry, I couldn’t be more help

]]> By: Ed https://gisgeography.com/horizontal-datum/#comment-450516 Wed, 10 Dec 2025 20:31:39 +0000 http://gisgeography.com/?p=10418#comment-450516 How does movement to continental/oceanic plates affect, if at all, the data in a horizontal datum?

]]> By: Ben Naivua https://gisgeography.com/horizontal-datum/#comment-269572 Thu, 30 Jun 2022 11:04:29 +0000 http://gisgeography.com/?p=10418#comment-269572 What sets of data are usually included in horizontal datum

]]> By: John P Balda https://gisgeography.com/horizontal-datum/#comment-105227 Wed, 08 Jul 2020 15:24:23 +0000 http://gisgeography.com/?p=10418#comment-105227 Great website, very informative. Thank You!

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