News

FEATURED

CUAHSI Instrumentation Discovery Travel Grants

23 Aug 2018 - CUAHSI is accepting proposals for the Instrumentation Discovery Travel Grant program (IDTG). Application deadline is Septemeber 30, 2018.

FEATURED NATIONALLY

Strengthening the biogeosciences in environmental research networks

15 Aug 2018 - Our EGU Biogeosciences Discussions manuscript became a Biogeosciences paper today! The official pdf can be downloaded (on upper right of page) at:...

FEATURED NATIONALLY

Call for proposals: Research Coordination Networks (RCNs) Driving Convergent CZ Science

12 Jul 2018 - NSF Dear Colleague Letter: Research Coordination Networks (RCNs) for Driving Convergent Science in the Critical Zone

FEATURED NATIONALLY

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

Elevating the biogeosciences within environmental research networks

02 Mar 2018 - This manuscript, led by Dan Richter with six Calzones co-authors, was just submitted to Biogeosciences Discussions.

FEATURED

2018 Southeast Friends of the Pleistocene Field Conference

09 Feb 2018 - Geophysics, Geochemistry, and Biogeochemistry of the Southern Piedmont Critical Zone

FEATURED

Latour and Folch on special attributes of critical zone science

02 Feb 2018 - Duke Assistant Professor Christine Folch (Cultural Anthropology) converses spiritedly with Prof. Bruno Latour (Philosopher of Science) on the banks...

FEATURED

Earth’s skin is an interdisciplinary laboratory

29 Jan 2018 - In the January 2018 issue of Physics Today, writer Toni Feder explores the scope of CZ research in the article, “Earth’s skin is an...

FEATURED

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...

FEATURED

Undergraduate course curriculum, “Introduction to Critical Zone Science,” available free online

01 Jan 2018 - A 15-week semester-long upper-level undergraduate course curriculum entitled “Introduction to Critical Zone Science” is now available free online.

FEATURED

CZOs at AGU 2017

05 Dec 2017 - Information on CZO award recipients, events, presentations, etc. at the 2017 AGU Fall Meeting.

FEATURED

Water Resources Research Special Collection: Concentration-discharge relations in the critical zone

30 Oct 2017 - Water Resources Research published a new special collection in September 2017 featuring concentration-discharge research from multiple CZOs.

FEATURED

CZNews: Fall 2017

25 Oct 2017 - The CZO National Office's quarterly newsletter CZNews: Fall 2017.

FEATURED

CZNews: Summer 2017

27 Jul 2017 - CZO National Office's quarterly newsletter CZNews: Summer 2017.

FEATURED

X-ray Diffraction for Clay Minerals at Calhoun

01 May 2017 - Anna Wade (visiting from Duke University) and Jay Austin (based at the University of Georgia) are collaborating by using X-ray Diffraction (XRD) to...

FEATURED

Zach Brecheisen wins the Frederick K. Weyerhaeuser Forest History Fellowship

27 Apr 2017 - The Forest History Society announces that Zachary Brecheisen is the 2017-18 recipient of the F. K. Weyerhaeuser Fellowship! The fellowship consists...

FEATURED

The frontier beneath our feet — an AGU commentary on the critical zone

21 Apr 2017 - AGU has published a collection of commentaries highlighting the important role Earth and space science research plays in society.

FEATURED

2017 CZO Webinar Series: Critical Zone and Society

06 Apr 2017 - 2017 CZO Webinar Series: Critical Zone and Society.

FEATURED

K-12 Soil Science Teacher Resources

24 Mar 2017 - The Soil Science Society of America (SSSA) is a professional scientific society, made up of soil scientists, educators, and consultants focused on...

FEATURED

Diego Barcellos Featured in UGA Graduate School Magazine

08 Feb 2017 - The Winter 2017 issue of UGA Graduate features an in-depth article about cross-CZO grad student Diego Barcellos

FEATURED

Bruno Latour talks about the Calhoun CZO in Munich

08 Dec 2016 - Bruno Latour, anthropologist and philosopher of science, gave a talk on Critical Zone science and the Anthropocene entitled "From the Anthropocene...

FEATURED

Four soil pits installed in new Research Area 8!

21 Nov 2016 - Four soil pits were installed in new Research Area 8 at the Calhoun CZO on 21-22 November 2016 for easy access for soil sampling down to 2 meters.

FEATURED

Eight new soil pits dug at the Calhoun!

17 Oct 2016 - Eight soil pits were installed at the Calhoun CZO on 17-18 October 2016 for easy access for soil sampling down to 2 meters. Photo: Will Cook.

FEATURED

USFS Photos from the Historic Archive of the Calhoun Experimental Forest

03 Oct 2016 - Just posted, thanks to efforts of Don Nelson, Kathy O'Neill, Mike Coughlan, Michael Lonneman, Zachary Meyers, and many other students, is an...

FEATURED

Super-high res Calhoun CZO 2016 Leaf-Off LiDAR data available!

03 Oct 2016 - The February 2016 leaf-off flight covered an area of 78.3 square kilometers, less than the summer 2014 flight, but with greater point density

FEATURED

An illustrated introduction to the Calhoun Critical Zone Observatory!

22 Sep 2016 - An introduction to the Calhoun Critical Zone Observatory, by Justin Richardson and Dan Richter, illustrated by Alana McGillis has just been posted!...

FEATURED

First flux tower erected at the Calhoun CZO

17 Aug 2016 - On August 17, 2016 a crew from Georgia Tech led by graduate student Yao Tang and professor Jingfeng Wang, with a little help from the folks at Duke,...

FEATURED

Going deep! Gas wells installed at 8.5 m

14 Jul 2016 - Another Calhoun CZO record - gas reservoirs installed at 8.5m depth! Jay Austin, Zach Brecheisen, and Dan Richter only stopped at 8.5m because they...

FEATURED

The Calhoun Experimental Forest featured in USFS publication

30 Mar 2016 - The USFS Southern Research Station's CompassLive blog features an article about the history of the Calhoun Experimental Forest, founded in 1947....

FEATURED

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

15 Nov 2015 - Get a sense of the people and the work. Several members of the Calhoun CZO are profiled here, including students and professors.

FEATURED

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.

FEATURED

Sino-USA CZO scientists meet to discuss future collaborations

09 Oct 2015 - About 60 Chinese and American critical zone scientists met in Guiyang, China for two days of discussions and presentations on the significance of...


New book by Paul Schroeder: Clays in the Critical Zone

17 Aug 2018 - Paul Schroeder has written a remarkable new book on the story of clays in the critical zone. The book builds on a short article by the same name...

Contribute a classroom/field activity to NAGT’s Teach the Earth

22 May 2017 - Contribute a classroom or field activity to Teach the Earth.

CZOs at AGU 2016

22 Nov 2016 - CZOs at AGU 2016: Agenda and award recipients

Calhoun CZO Headquarters!

15 Sep 2016 - At long last, a 900 sq ft house is now our headquarters at the Calhoun!!! We should all start to use it for multi-day, 2-day, & even 1-day...

TDR probes installed to monitor soil moisture

13 Jul 2016 - On July 13, 2016, Duke PhD candidate Zach Brecheisen, with assistance from his advisor Dan Richter and Jay Austin, installed TDR probes at 25-cm...

More News >


Events

AGU Fall Meeting 2018

American Geophysical Union (AGU) Fall Meeting 2018


Washington, D.C..

More Events >

Publications

FEATURED

The formation of clay‐enriched horizons by lessivage. Calabrese, Salvatore, Daniel D. Richter, and Amilcare Porporato (2018): Geophysical Research Letters 45(15): 7588-7595

FEATURED

Loss of deep roots limits biogenic agents of soil development that are only partially restored by decades of forest regeneration. Billings, S.A., D. Hirmas, P.L. Sullivan, C.A. Lehmeier, S. Bagchi, K. Min, Z. Brecheisen, E. Hauser, R. Stair, R. Flournoy, D. deB. Richter (2018): Elementa Science of the Anthropocene 6(1): 34

FEATURED NATIONALLY

Clays in the Critical Zone. Paul A. Schroeder (2018): Cambridge University Press 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

Influences of Native American land use on the Colonial Euro-American settlement of the South Carolina Piedmont. Coughlan, Michael R., and Donald R. Nelson (2018): PLoS ONE 13(3): e0195036

FEATURED NATIONALLY

Growing new generations of critical zone scientists. Wymore, Adam S., Nicole R. West, Kate Maher, Pamela L. Sullivan, Adrian Harpold, Diana Karwan, Jill A. Marshall, Julia Perdrial, Daniella M. Rempe and Lin Ma (2017): Earth Surface Processes and Landforms 42 (14): 2498-2502 Cross-CZO National

FEATURED

Designing a network of critical zone observatories to explore the living skin of the terrestrial Earth. Brantley, S.L., McDowell, W.H., Dietrich, W.E., White, T.S., Kumar, P., Anderson, S., Chorover, J., Lohse, K.A., Bales, R.C., Richter, D., Grant, G., and Gaillardet, J. (2017): Earth Surface Dynamics, 5, 841–860 Cross-CZO National

FEATURED

Historical land use dynamics in the highly degraded landscape of the Calhoun Critical Zone Observatory. Coughlan, Michael R., Donald R. Nelson, Michael Lonneman, and Ashley E. Block (2017): Land 6(2), 32

FEATURED

Expanding the role of reactive transport models in critical zone processes. Li Li, Kate Maher, Alexis Navarre-Sitchler, Jenny Druhan, Christof Meile, Corey Lawrence, Joel Moore, Julia Perdrial, Pamela Sullivan, Aaron Thompson, Lixin Jin, Edward W. Bolton, Susan L. Brantley, William E. Dietrich, K. Ulrich Mayer, Carl I. Steefel, Albert Valocchi, John Zachara, Benjamin Kocar, Jennifer Mcintosh, Benjamin M. Tutolo, Mukesh Kumar, Eric Sonnenthal, Chen Bao, Joe Beisman (2017): Earth-Science Reviews, 165:280-301 Cross-CZO

FEATURED

Boom and bust carbon-nitrogen dynamics during reforestation. Parolari, A.J., M.L. Mobley, A.R. Bacon, G.G. Katul, D.deB. Richter, and A. Porporato (2017): Ecological Modelling 360: 108-119

FEATURED

Special issue of The Earth Scientist about the Critical Zone and the US NSF Critical Zone Observatory (CZO) program. CZO Education/Outreach team (2016): The Earth Scientist, Volume XXXII, Issue 3, Fall 2016 Cross-CZO National

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, 30 October 2015, Vol. 350, no. 6260, pp. 534-538 Cross-CZO National


Modifications of 2:1 clay minerals in a kaolinite dominated Ultisol under changing land-use regimes. Austin, Jason C., Amelia Perry, Daniel D. Richter, and Paul A. Schroeder (2018): Clays and Clay Minerals 66(1): 61-73

Making the case for a formal Anthropocene Epoch: an analysis of ongoing critiques. Zalasiewicz, Jan; Waters, Colin N.; Wolfe, Alexander P.; Barnosky, Anthony D.; Cearreta, Alejandro; Edgeworth, Matt; Ellis, Erle C.; Fairchild, Ian J.; Gradstein, Felix M.; Grinevald, Jacques; Haff, Peter; Head, Martin J.; Ivar do Sul, Juliana A.; Jeandel, Catherine; Leinfelder, Reinhold; McNeill, John R.; Oreskes, Naomi; Poirier, Clément; Revkin, Andrew; Richter, Daniel deB.; Steffen, Will; Summerhayes, Colin; Syvitski, James P.M.; Vidas, Davor; Wagreich, Michael; Wing, Scott; Williams, Mark (2017): Newsletters on Stratigraphy 50(2): 205-226

A pedology and pedostratigraphy for the Anthropocene. Richter, D.deB., S.A. Billings, C. Waters (2017): In Stratigraphic Signatures of the Anthropocene. Waters, C. and J. Zalasiewicz (eds.) Cambridge University Press (in press)

Soil fauna responses to natural disturbances, invasive species, and global climate change: Current state of the science and a call to action. Coyle, D.R., U.J. Nagendra, M.K. Taylor, J.H. Campbell, C.E. Cunard, A.H. Joslin, A. Mundepi, C.A. Phillips, and M.A. Callaham, Jr. (2017): Soil Biology and Biochemistry 110:116-133

Increasing atmospheric humidity and CO2 concentration alleviate forest mortality risk. Liu, Yanlan, Anthony J. Parolari, Mukesh Kumar, Cheng-Wei Huang, Gabriel G. Katul, and Amilcare Porporato (2017): PNAS 114 (37): 9918-9923

More Publications >