Big Adventures with Brian Dierker

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Big Adventures with Brian Dierker episodes

May 19 Evolution of Grand Canyon Science: Dave Topping
Evolution of Grand Canyon Science continues this week with Dave Topping! Dave is a sediment researcher (among other talents). He joins Brian to talk about Glen Canyon Dam's impact on sediment in the Colorado River.
This episode was brought to you by the generosity of Ceiba adventures, Dave Wegner, Steve Carothers.
You can find Ceiba Adventures at 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.
1 hr 19 min
May 05 Evolution of Grand Canyon Science: Dave Wegner
Our Evolution of Grand Canyon Science series continues, and this episode is all about water! Dave Wegner joins Brian and Steve for a wide ranging conversation about deadpool, the Colorado River Compact, and much more. Enjoy Dave Wegner and the Evolution of Science!
This episode was supported 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.
1 hr 17 min
April 21 Evolution of Grand Canyon Science: Roy Johnson
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.
1 hr 29 min
April 07 Introducing The Evolution of Science in the Grand Canyon!
Brian Dierker and Steve Carothers are happy to welcome you to The Evolution of Science in the Grand Canyon! This interview series will explore the history of scientific studies, the people who designed them, and their ongoing impacts on policy and recreation in the American Southwest.
In this introductory episode, Brian and Steve lay out the scope of the story they'll be telling over the next few months.
Please tune in to our next episode, a conversation with Roy Johnson, the shaper of the first studies of the human impact of recreation below Glen Canyon Dam!
This episode was supported by generous donations from Steve Carothers and Dave Wegner.
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.
35 min
March 31 Liam O'Neill
Liam O'Neill is a river guide, swiftwater rescue instructer, and much more. He sits down with Brian to talk about growing up in the river community, rafting rivers in Idaho, and the harrowing and tragic flood event on the Grand Canyon in 2021. Please enjoy Liam O'Neill!
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.
1 hr
February 24 Jimmy Grissom
Jimmy Grissom joins Brian and Glenn Renk in the studio for a chat. Jimmy is a former river guide, upholsterer extraordinaire, and much more. Enjoy Jimmy Grissom!
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.
58 min
February 03 Phil McNichol
Phil McNichol is a heck of a ski coach. He and Brian chat about how he made his way west for college, drifting into ski coaching, and becoming the ski coach for the US team. Enjoy Phil McNichol!
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.
1 hr 20 min
January 20 Peter Bruce
Peter Bruce just retired from over 40 years of radio broadcasting. He sits down with Brian to chat about skiing, hosting radio shows, the future of AM radio, and more. Enjoy Peter Bruce!
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.
37 min
November 25, 2025 Troy Gillenwater
Troy Gillenwater has got some stories to tell. He sits down with Brian for a wide ranging chat, from Arizona trails to Tibetan rivers and beyond. Enjoy Troy Gillenwater!
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.
1 hr 11 min
September 09, 2025 Kelsey Pfendler Returns!
Kelsey Pfendler returns with a tale to tell. Last visit, she was preparing for her four-woman row across the Pacific Ocean, California to Hawaii. Now she's back to share the story.
Enjoy Kelsey Pfendler!
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.
44 min

About Big Adventures with Brian Dierker

From the publisher's feed

Grand Canyon boatman Brian Dierker sits down to chat with fellow guides, scientists, politicians and oddballs about adventure, conservation, and all things outside.