# gst: something that is called "non-stationarity"

<< “We’re looking at historical data when really we have something that is called non-stationarity,” Dr. Knight [Sandra Knight, a senior research engineer at the University of Maryland and a former official at the Federal Emergency Management Agency] said. “The world isn’t stationary anymore and the hydrology isn’t. The landscape isn’t. So why are we still presuming the future will look like the past?”

Nadja Popovich, Claire O'Neill. A ‘500-Year Flood’ Could Happen Again Sooner Than You Think. Here’s Why. Aug. 28, 2017

https://www.nytimes.com/interactive/2017/08/28/climate/500-year-flood-hurricane-harvey-houston.html