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Understanding interfaces

We study critical zone architecture, the processes responsible for its evolution, and the ecological and hydrological services it provides, in a landscape with erosion histories that vary significantly across the catchment.

 

Questions:

  • What is the legacy of climate and geologic history in critical zone architecture?
  • How are the dynamics of key interfaces within the critical zone governed?
  • What are the feedbacks between hydrologic and ecological processes and critical zone evolution?
  • How do landscape position, slope aspect, microclimate and rock properties control the evolution of the critical zone?

Specific research projects in Boulder Creek CZO >>

 

Research News

FEATURED NATIONALLY

CZOs at AGU 2019

11 Nov 2019 - A list of CZ-related sessions, abstracts and events at the 2019 AGU Fall Meeting.

FEATURED NATIONALLY

CZ colleagues: Please contact us about proposals for NSF’s CZ Collaborative Network, due 02 Dec 2019

08 Jul 2019 - CZO will end Nov 2020, succeeded by the “CZ Collaborative Network”. Let’s explore how the CZ community can build upon the CZOs via new NSF proposals.

FEATURED

CZOs at AGU 2018

19 Nov 2018 - The 2018 AGU Fall Meeting will be held December 10-14 in Washington, D.C.

FEATURED

NSF Discovery articles focus on the CZOs.

10 May 2018 - The Discoveries section of the National Science Foundation's website on Critical Zone Observatories (CZOs).

FEATURED

BcCZO had the honor of hosting a visit from the China Geological Survey

13 Nov 2017 - On November 6-10, the BcCZO had the honor of hosting a visit from the China Geological Survey (CGS; http://en.cgs.gov.cn/).

FEATURED

EOS: Bark Beetles Cause Big Tree Die-Offs, but Streams Flow Steadily

10 Mar 2016 - EOS article written by Lily Strelich features research conducted by CZO investigators and their colleagues, which shows that bark beetle epidemics...

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Korean KNU CZO visit great success!

01 Feb 2016 - BcCZO‬ had a great visit from the ‪KNU‬ ‪‎CZO‬ in South Korea. A new CZO that has been funded for about 5 months...

FEATURED

Suzanne Anderson’s presentation inspired this great comic strip by Miles Traer!

23 Dec 2015 - AGU 2015 was a great sucess this year, and inspired this great little cartoon by Miles Traer. Miles has been working with the American Geophysical...

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BcCZO at AGU (American Geophysical Union) 14-18 Dec, 2015. Abstracts on the website!

02 Dec 2015 - Criticalzone Science at AGU (American Geophysical Union) fall meeting 2015 December 14-18. 2015 Fall Meeting Program Download the CZO...

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Robert Anderson one of four faculty members receive high honor for research, teaching, and service

06 Nov 2015 - Leaders in science, medicine are newest University of Colorado Distinguished Professors

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New study suggests bedrock weathering based on topography

30 Oct 2015 - St. Clair et al. suggest tectonic stresses interact with topography to influence bedrock weathering.

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Sheila Murphy USGS press release “Storms after Wildfire Lead to Impaired Water Quality”

01 Oct 2015 - Fourmile Canyon fire September 2010, burned about 6,000 acres in Boulder County, CO. Storms after wildfire led to downstream water-quality impairment.

FEATURED

Anderson Receives 2015 G. K. Gilbert Award

17 Sep 2015 - From the Eos LogoEarth & Space Science News. Robert Anderson will receive the 2015 G. K. Gilbert Award at the 2015 American Geophysical Union...

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Critical Zone Profiles - Meet the people doing CZO science (Boulder Creek CZO)

07 Sep 2015 - Get a sense of the people and the work. Several members of the Boulder Creek CZO are profiled here, including students and professors.

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Research Experience for Community College Students (RECCS) Interns give presentations July 29 and 30

30 Jul 2015 - Research Experience for Community College Students in Critical Zone Science interns gave talks and posters on their work on July 29 and 30,...

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Geology paper about Boulder flood on release picked up by the press.

01 Apr 2015 - The Boulder Creek CZO and coauthors are highlighted in recent articles for their analysis of flooding and debris flows from the historic 2013...


Congratulations Jill Marshall on receiving the 2018 Luna B. Leopold Young Scientist Award

06 Nov 2018 - Marshall Receives 2018 Luna B. Leopold Young Scientist Award

Congratulations Kate on her thesis defense

30 Oct 2018 - Kate Hale, M.A. Geography Title: Streamflow sensitivity to warming and shift from snowfall to rainfall. Date/Time: Tuesday October 30, 2018 at...

Discussion paper open till April 5th in Biogeosciences

06 Mar 2018 - A discussion is open for the manuscript, "Elevating the biogeosciences within environmental research networks".

Noah Molotch on KGNU

08 Feb 2018 - The CZO's own Dr. Noah Molotch, director of CWEST, appeared on KGNU during a piece on snow depth and Snow Telemetry (SNOTEL). KGNU is an...

White paper of 2017 CZ Science Meeting in Arlington, VA

01 Jan 2018 - New Opportunities for Critical Zone Science Following the June 2017 Arlington Meeting for Critical Zone Science (hosted by CZO), a white booklet...

More News >


Example Publications

FEATURED NATIONALLY

Ecological and genomic attributes of novel bacterial taxa that thrive in subsurface soil horizons. Brewer, Tess E., Emma L. Aronson, Keshav Arogyaswamy, Sharon A. Billings, Jon K. Botthoff, Ashley N. Campbell, Nicholas C. Dove, Dawson Fairbanks, Rachel E. Gallery, Stephen C. Hart, Jason Kaye, Gary King, Geoffrey Logan, Kathleen A. Lohse, Mia R. Maltz, Emilio Mayorga, Caitlin O’Neill, Sarah M. Owens, Aaron Packman, Jennifer Pett-Ridge, Alain F. Plante, Daniel D. Richter, Whendee L. Silver, Wendy H. Yang, Noah Fierer (2019): mBio Oct 2019, 10 (5) e01318-19 Cross-CZO National

FEATURED NATIONALLY

Reevaluating growing season length controls on net ecosystem production in evergreen conifer forests. Barnard, D.M., Knowles, J.F., Barnard, H.R., Goulden, M.L., Hu, J., Litvak, M.E., Molotch, N.P. (2018): Scientific Reports 8(1): 17973 Cross-CZO

FEATURED

Mercury sourcing and sequestration in weathering profiles at six Critical Zone Observatories. Richardson, Justin B., Arnulfo A. Aguirre, Heather L. Buss, A. Toby O'Geen, Xin Gu, Daniella M. Rempe, and Daniel deB. Richter (2018): Global Biogeochemical Cycles, 32(10):1542-1555 Cross-CZO National

FEATURED NATIONALLY

Ideas and perspectives: Strengthening the biogeosciences in environmental research networks. Richter, D.D., S.A. Billings, P.M. Groffman, E.F. Kelly, K.A. Lohse, W.H. McDowell, T.S. White, S. Anderson, D.D. Baldocchi, S. Banwart, S. Brantley, J.J. Braun, Z.S. Brecheisen, C.W. Cook, H.E. Hartnett, S.E. Hobbie, J. Gaillardet, E. Jobbagy, H.F. Jungkunst, C.E. Kazanski, J. Krishnaswamy, D. Markewitz, K. O’Neill, C.S. Riebe, P. Schroeder, C. Siebe, W.L. Silver, A. Thompson, A. Verhoef, G. Zhang (2018): Biogeosciences 15: 4815-4832 Cross-CZO National

FEATURED

Snowmelt‐driven trade‐offs between early and late season productivity negatively impact forest carbon uptake during drought. Knowles J.F., Molotch N.P., Trujillo E. & Litvak M.E. (2018): Geophysical Research Letters 45: 3087–3096 Cross-CZO

FEATURED NATIONALLY

A net ecosystem carbon budget for snow dominated forested headwater catchments: linking water and carbon fluxes to critical zone carbon storage. Perdrial J., Brooks P.D., Swetnam T., Lohse K.A., Rasmussen C., Litvak M., Harpold A.A., Zapata-Rios X., Broxton P., Mitra B., Meixner M., Condon K., Huckle D., Stielstra C., Vázquez-Ortega A., Lybrand R., Holleran M., Orem C., Pelletier J., Chorover J. (2018): Biogeochemistry 138{3): 225–243 Cross-CZO

FEATURED

Which way do you lean? Using slope aspect variations to understand Critical Zone processes and feedbacks. Pelletier J. D., Barron‐Gafford G. A., Gutiérrez‐Jurado H., Hinckley E.‐L. S., Istanbulluoglu E., McGuire L. A., Niu G.‐Y., Poulos M. J., Rasmussen C., Richardson P., Swetnam T. L., and Tucker G. E. (2018): Earth Surface Processes and Landforms, 43(5): 1133–1154 Cross-CZO

FEATURED

Humidity determines snowpack ablation under a warming climate. Harpold A.A. and Brooks P.D. (2018): PNAS 115(6): 1215-1220 Cross-CZO

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Regional sensitivities of seasonal snowpack to elevation, aspect, and vegetation cover in western North America. Christopher J. Tennant, Adrian A. Harpold, Kathleen Ann Lohse, Sarah E. Godsey, Benjamin T. Crosby, Laurel G. Larsen, Paul D. Brooks, Robert W. Van Kirk, Nancy F. Glenn (2017): Water Resources Research 53 Cross-CZO National

FEATURED

Quantifying the effects of wildfire on changes in soil properties by surface burning of soils from the Boulder Creek Critical Zone Observatory. Wieting, C., Ebel, B. A., Singha, K. (2017): Journal of Hydrology: Regional Studies Volume 13, October 2017, Pages 43-57

FEATURED

Topographically driven differences in energy and water constrain climatic control on forest carbon sequestration. Swetnam T.L., Brooks P.D., Barnard H.R., Harpold A.A., and Gallo E.L. (2017): Ecosphere 8(4): e01797 Cross-CZO

FEATURED

Geophysical imaging reveals topographic stress control of bedrock weathering. St. Clair, J., S. Moon, W. S. Holbrook, J. T. Perron, C. S. Riebe, S. J. Martel, B. Carr, C. Harman, K. Singha, D. deB. Richter (2015): Science 350 (6260): 534-538 Cross-CZO National

FEATURED

Linkages between denitrification and organic matter quality, Boulder Creek Watershed, CO. Barnes, R.T., R.L. Smith, and G.R. Aiken (2012): Journal of Geophysical Research- VOL. 117, G01014, 14 PP


Inorganic nitrogen wet deposition gradients in the Denver-Boulder metropolitan area and Colorado Front Range – Preliminary implications for Rocky Mountain National Park and interpolated deposition maps. Wetherbee, G., Benedict, K., Murphy, S., Elliott, E. (2019): Science of the Total Environment 691 (2019) 1027–1042

Hillslope hydrology in global change research and Earth system modeling. Fan, Y., Clark, M., Lawrence, D. M., Swenson, S., Band, L. E., Brantley, S. L., P. D. Brooks, W. E. Dietrich, A. Flores, G. Grant, J. W. Kirchner, D. S. Mackay, J. J. McDonnell, P. C. D. Milly, P. L. Sullivan, C. Tague, H. Ajami, N. Chaney, A. Hartmann, P. Hazenberg, J. McNamara, J. Pelletier, J. Perket, E. Rouholahnejad‐Freund, T. Wagener, X. Zeng, E. Beighley, J. Buzan, M. Huang, B. Livneh, B. P. Mohanty, B. Nijssen, M. Safeeq, C. Shen, W. van Verseveld, J. Volk, D. Yamazaki (2019): Water Resources Research, vol 55 Cross-CZO

Climate driven coevolution of weathering profiles and hillslope topography generates dramatic differences in critical zone architecture. Anderson, R. S., Rajaram, H., Anderson, S. P. (2018): Hydrological Processes . 2018;1 – 16.

On the use of a snow aridity index to predict remotely sensed forest productivity in the presence of bark beetle disturbance . Knowles, JK, L. Lestak, N.P. Molotch (2018): Water Resources Research, 53: 4891-4906

Erosion and channel changes due to extreme flooding in the Fourmile Creek catchment, Colorado . Wicherski, W, Dethier, DP, and Ouimet, WB (2018): Geomorphology 294: 87-98

Developing and exploring a theory for the lateral erosion of bedrock channels for use in landscape evolution models. Langston, AL and Tucker, GE (2018): Earth Surface Dynamics 6: 1-27

A global atlas of the dominant bacteria found in soil . Delgado-Baquerizo, M., Oliverio, AM, Brewer, TE, Benavent-Gonzalez, A., Eldridge, DJ, Bardgett, RD, Maestre, FT, Singh, BK, and Fierer, N (2018): Science 359: 320-325

More Publications >