Evolution of Grand Canyon Science: Roy Johnson

About this episode

Roy Johnson discusses the beginnings of significant Grand Canyon research with Brian and Steve Carothers.

Roy Johnson kicks off our Evolution of Grand Canyon Science series, and with good reason - he started the whole research project in the first place. Roy sits down with Brian and Steve Carothers to chat about forming and conducting the first significant studies in the Grand Canyon after the completion of Glen Canyon Dam. Enjoy Roy Johnson! This episode was sponsored by Ceiba Adventures and by individual donations from Steve Carothers and Dave Wegner. More information about Ceiba Adventures: https://www.ceibaadventures.com Mentioned in this episode: Sponsors: Dave Wegner and Steve Carothers Dave Wegner has been a long-time supporter of Big Adventures. He's been in and out of the river for over 50 years as a guide and scientist. Be sure to check out Brian's interview with Dave, Episode 21. Thank you Dave for your support! Steve Carothers and Brian go way back. Steve is a friend of the river as a scientist and researcher. Tune into his episode, number 31! Thank you Steve for your support.

People in this episode

Host: Brian Dierker

Guest: Roy Johnson

Topics covered

• Grand Canyon
• science
• research
• environment
• river ecology

Keywords

• Grand Canyon
• science
• research project
• Glen Canyon Dam
• river ecology

Sponsors

Ceiba Adventures

More episodes of Big Adventures with Brian Dierker

• Evolution of Grand Canyon Science: Matt Kaplinski · June 2, 2026 · 1h 21m
• Evolution of Grand Canyon Science: Dave Topping · May 19, 2026 · 1h 19m
• Evolution of Grand Canyon Science: Dave Wegner · May 5, 2026 · 1h 16m
• Introducing The Evolution of Science in the Grand Canyon! · April 7, 2026 · 35 min
• Liam O'Neill · March 31, 2026 · 59 min
• Jimmy Grissom · February 24, 2026 · 58 min