Irving Friedman News Today : Breaking News, Live Updates & Top Stories | Vimarsana

The record of water chemistry data in Yellowstone predates the development of the pH (acidity) scale! These data are a testament to hundreds of researchers who have contributed their expertise over nearly 150 years.

Understanding how stable isotopes are used for tracking water is the story of USGS scientist Irving Friedman (1920–2005), a scientist considered by many to be the “father of isotope hydrology” because of his numerous innovative breakthroughs.