Rising sea levels are going to mess with the internet

Chris Adams cma at cmadams.net
Thu Jul 26 18:00:53 UTC 2018


Once upon a time, William Herrin <bill at herrin.us> said:
> On Thu, Jul 26, 2018 at 12:58 PM, Jason Kuehl <jason.w.kuehl at gmail.com> wrote:
> > Science https://climate.nasa.gov/vital-signs/sea-level/
> 
> "The first graph tracks the change in sea level since 1993 as observed
> by satellites."
> 
> I *really* want to understand the technology that lets a satellite
> hundreds of miles in the sky detect a 3mm change in average global sea
> level between the start and end of the year with an error bar that
> grows to only 4mm over a quarter of a century.

Well, you must not *really* want to understand, since there's a "Learn
more" link to follow on the above page that (after a couple more clicks)
would lead you to this page that has some explanation:

https://www.aviso.altimetry.fr/en/techniques/altimetry.html
-- 
Chris Adams <cma at cmadams.net>



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