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Department of Geology and Geophysics|People

Riebe Lab - News



October, 2014 — The geochemistry magazine Elements has published a themed issue on cosmogenic nuclides. Riebe and colleague Jean Dixon contributed an invited, peer-reviewed artcle on cosmogenic nuclides in soils to the issue.

September 23, 2014 — At the All-Hands Meeting of the US Critical Zone Observatory program, Riebe and former student Hahm contributed to a field trip attended by an international group of ~130 participants.

September 2, 2014 — The British Society of Geomorphology has bestowed Riebe and coauthor Granger with the 2013 Wiley Award for our publication on cosmogenic nuclides and deep weathering. This is the best paper award for the journal Earth Surface Processes and Landforms. Riebe gave an invited talk at the annual meeting of the BSG, in Manchester, UK as part of the award.

June 9, 2014 — Riebe presented a talk at the annual Goldschmidt geochemistry conference, held this year in Sacramento.

June 5, 2014 — The periodical Earth Magazine has featured results from our study of bedrock controls on vegetation as a news item (click for PDF) in its June issue.

April 10, 2014 — Our publication on connections between bedrock composition and forest cover was featured in California Academy of Sciences news item.

April 3, 2014 — Our publication on connections between bedrock composition and forest cover was featured in a National Science Foundation Discovery Article titled: 'Granite bedrock and sequoia forests 'communicate' in the Sierra Nevada'.

March 31, 2014 — Our publication on connections between bedrock composition and forest cover was featured in an internationally televised webinar webinar by US Forest Service and University of Oregon State researcher Gordon Grant.

March 28, 2014 — Our publication on salmon spawning was featured in a San Francisco State University press release.

March 17, 2014 — Our publication on salmon spawning was featured in a on Wyoming Public Radio.

February 27, 2014 — The UW press release about our publication on salmon spawning was featured on the website.

February 26, 2014 — Our recent publication on salmon spawning in coarse-bedded rivers was featured in a UW press release. Be sure to scroll down to see the racy spawning footage.

February 21, 2014 — Our article "Bedrock composition regulates mountain ecosystems and landscape evolution"  was the subject of a research commentary entitled "Coevolution of life and landscapes", written by Stephen Porder, a professor of ecology at Brown University.

February 18, 2014 — Still more coverage about our article "Bedrock composition regulates mountain ecosystems and landscape evolution.". This time on Wyoming Public Radio and in the weekly newsletters of the Geochemical Society and the European Association of Geochemistry.

February 11, 2014 — There has been some additional coverage in the press about our article in the Proceedings of the National Academy of Sciences. Check it out: Scientific American; Yahoo News; and

February 10, 2014 — The high impact journal Proceedings of the National Academy of Sciences has published the group's work on understanding the role of bedrock in the distribution of vegetation in the Southern Sierra Nevada. All of the authors are or were members of the Riebe Lab at the time of the study. Jesse Hahm, the lead author, recently received a masters degree from the University of Wyoming under the supervision of Cliff Riebe. The article is titled "Bedrock composition regulates mountain ecosystems and landscape evolution." Check out the U. Wyoming press release. The work was also featured today on LiveScience!

February 6, 2014 — The journal Water Resources Research has published the group's work on understanding factors that limit salmon spawning in rivers and creeks of California and the Pacific Northwest. Cliff Riebe and former masters student Brandon Overstreet are both authors of the article, which is titled "Optimal reproduction in salmon spawning substrates linked to grain size and fish length."

January, 2014 — The manuscript "Geophysical constraints on deep weathering and water storage potential in the Southern Sierra Critical Zone Observatory" has been published in Earth Surface Processes and Landforms. Cliff Riebe is second author on the publication.

January, 2014 — The second edition of the Treatise on Geochemistry has been released by Elsevier in a new 15 volume set. Cliff Riebe joined first author Darryl Granger in contributing to a substantially revised version of the chapter titled "Cosmogenic Nuclides in Weathering and Erosion", which appears in Volume 7: Surface and Groundwater, Weathering and Soils.


December 18, 2013 — Marlie Malone has been awarded an EPSCoR Undergraduate Research Fellowship. Congratulations Marlie!

December 17, 2013 — Will White has left the group for a full time job with Exxon in Houston. Good luck, Will! You will be sorely missed.

December 13, 2013 — Riebe Lab Group members gave 2 talks and presented 2 posters at in various sessions at the AGU Fall Meeting in San Francisco, California.

November 4, 2013 — Graduate student Jesse Hahm successfully defended his MS thesis. Congratulations Jesse!

October 28, 2013 — Riebe Lab Group members gave 3 talks in the Critical Zone session at the Geologic Society of America Annual Meeting in Denver, Colorado.

October 26, 2013 — The NSF workshop, entitled “Drilling, Sampling and Imaging the Depths of the Critical Zone” in Denver, Colorado, has just wrapped up and was a great success. An international group of researchers met and participated in a series of brainstorming activities over the course of 2 days. We had great discussions and came to an important concensus about directions to pursue in deep critical zone research.

September 18, 2013 — The group has recently received three National Science Foundation grants in the amount of $527,410 to fund two research projects and one international workshop. The first grant, titled “Southern Sierra Critical Zone Observatory”, is part of a $5 million, multi-institutional, cross-disciplinary study of weathering and the hydrologic cycle in California’s most prominent mountain range, the Sierra Nevada. The second grant, titled “Collaborative Research: Spatial variability in eroded sediment size and geomorphic processes inferred from detrital thermochronometry and cosmogenic nuclides”, will support groundbreaking work on combining cosmogenic nuclides and detrital thermochronometry and help fund PhD student Claire Lukens. The third grant, entitled “NSF Workshop: Drilling, Sampling and Imaging the Depths of the Critical Zone” will support an international workshop in Denver, Colorado, from October 24-26, 2013. Outcomes from two of the three grants will leverage contributions from the new Wyoming Center for Environmental Hydrology and Geophysics (WyCEHG).

August 31, 2013 — Graduate students Claire Lukens and Jesse Hahm presented their work at the International Conference on Geomorphology hosted by the International Association of Geomorphologists in Paris, France.

June 20, 2013 — NSF has announced its intent to fund the group's work on quantifying variations in grain size and erosion rates of sediment in landscapes. The funding will help support Claire Lukens' PhD research. Cliff Riebe is the lead PI on this collaborative, multi-institution grant.

June 14, 2013 — NSF has announced its intent to fund the Southern Sierra Critical Zone Observatory. Cliff Riebe is a co-PI on the grant.

June 10, 2013 — We've announced the timing and location of upcoming NSF Workshop: Drilling, Sampling and Imaging the Depths of the Critical Zone. Timing: 24-26, October, 2013, immediately before the annual Geological Society of America meeting. Location: Downtown Denver, Colorado (details forthcoming -- stay tuned). The workshop will be convened by Cliff Riebe and Jon Chorover (U. Arizona). Click here for details.

May 20-22, 2013 — Riebe Lab members and collaborators delivered 3 presentations at the annual Cordilleran Section Meeting of the Geological Society of America. The meeting was held this year in sunny Fresno, California.

April 18, 2013 — Jesse Hahm, Cliff Riebe, and Claire Lukens presented a cyber seminar entitled “Nutrient deserts of the Sierra Nevada Batholith and their effects on life, soil, and topography”. Click to view our recording of this webinar. User info: Java must be enabled; we recommend you do not use Safari browser on Mountain Lion OS. Firefox and chrome seem to be robust.

March 29, 2013 — Claire Lukens has been awarded a prestigious Graduate Fellowship from the NASA Space Grant Consortium. It carries a stipend of $20,000 for research to be performed in the 2013-14 academic year. Congratulations Claire!

March 27, 2013 — Jesse Hahm has been awarded an all-expenses paid trip to attend the Soil Carbon Sequestration for Climate, Food Security and Ecosystem Services conference in Reykjavík, Iceland, May 26-29 2013. The conference is hosted by the Soil Conservation Service of Iceland and the Agricultural University of Iceland and will be held in cooperation with several international and Icelandic institutions.

March 25, 2013 — Claire Lukens has been accepted as a participant in the 2013 Preparing for an Academic Career in the Geosciences workshop that will be held in Boulder, Colorado this summer, July 7-10.

March 22, 2013 — NSF has announced its intent to fund the proposal Drilling, Sampling and Imaging the Depths of the Critical Zone for funding. The grant, proposed by PI Riebe and co-PI Jon Chorover (Arizona U.) will fund a workshop to be held in Denver, Colorado this fall at around the time of GSA.


December 4, 2012 — Claire Lukens received a Horton Research Grant from the Hydrology Section of the American Geophysical Union (AGU). This is a prestigious award which includes a stipend of $10,000 to support research in 2013.

December 3-7, 2012 — Riebe Lab members and collaborators delivered 7 presentations at the American Geophysical Union Fall Meeting in San Francisco, Calif.

December 1, 2012 — Dr. Sarah Konrad has left the Riebe Lab to assume the role of Associate Director of the UW EPSCoR Track 1. This is a good move for her and for the University as a whole, but she will be missed in our lab.

November 21, 2012 — Undergraduate student and lab manager Will White has been hired as an intern in Operations Geology by Exxon Mobil. We will all sorely miss Will but wish him the best as he takes the next step on the career ladder.

October 1, 2012 — Dr. Sarah Konrad joined the team to work on a new project involving quantitative analysis of landscape properties (a.k.a geomorphometry). Welcome Sarah!

September 1, 2012 — Sayaka Araki is leaving the team to return to Berkeley, California. She will be sorely missed.

August 2012 — The multi-institution Southern Sierra CZO team was awarded a $1,000,000 1-year extension from the National Science Foundation to continue its work on quantifying snowline processes in in the Providence Creek watershed. The UW share (to Cliff Riebe) was ~$90K. 

August 2012 — Student collaborator Franklin Dekker successfully defended his MS thesis at the University of Montana.

August 6, 2012 — Sayaka Araki and Rafeal de Asua welcomed their baby Leonardo Araki de Asua into the world. He weighed 7.5 lbs. and was 20 inches tall at birth.

June 2012 — Cliff Riebe and Darryl Granger were awarded a new grant from the National Science Foundation to develop cosmogenic beryllium-10 in detrital magnetite for use as a new tool in erosion and weathering studies.

June 2012  — Jesse Hahm presented his work on landscape scale effects of bedrock nutrient limitations at the annual Goldschmidt Meeting in Montreal, Quebec.

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