ARCHIVED CONTENT: In December 2020, the CZO program was succeeded by the Critical Zone Collaborative Network (CZ Net) ×
Christina CZO was active 2009-2013 ×



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.


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.

2017 CZO Webinar Series: Critical Zone and Society

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


CZOs at AGU 2016

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

2016 CZO REUs and RETs present summer research

01 Aug 2016 - CZO REUs and RETs presented their research at the CUAHSI Biennial Colloquium, July 24-27, 2016, in Shepherdstown, West Virginia. The presentations...


2015 CZO REUs and RETs present summer research

17 Aug 2015 - The Critical Zone Observatory Research Experience for Undergraduates and Research Experience for Teachers program traveled to Baltimore, Maryland to...

Joint AGU-ESA Event Brings Together Collaborative Networks

17 Aug 2015 - Members of AGU and the Ecological Society of America came together in their first joint event to discuss opportunities for research collaboration.


Aufdenkampe honored for outstanding service to water sciences community

30 Jul 2014 - Anthony Aufdenkampe, Ph.D., was recognized for his national leadership and community building for the Critical Zone Observatory network.

2014 All Hands Meeting

24 Apr 2014 - Information for the 2014 All Hands Meeting for the CZO Network on 21-14 September, including registration information and abstract submission.

“What’s so critical about the Critical Zone?” webinar

02 Apr 2014 - March 31, 2014. Dr. Enriqueta Barrera (NSF CZO program director) and Dr. Gordon Grant (USFS; CZO Steering Committee chairperson)


Post-doctoral researcher Diana Karwan funded to accomplish cross-CZO science

11 Jan 2013 - Karwan awarded an NSF EAR Postdoctoral Fellowship to work with Susquehanna Shale Hills and Christina River Basin Critical Zone Observatories

In Memoriam: Frederick Scatena 1954-2013

02 Jan 2013 - Frederick Scatena, PI of the Luquillo CZO, died peacefully at home on January 2, 2013 after a brief battle with cancer. We mourn the loss.


Introducing our post-doctoral researchers’ CZO work

15 Mar 2012 - 2011 witnessed the most extensive use of post-doctoral researchers in Stroud Water Research Center’s 45-year history, with four newly minted Ph.D.s

Holly Michael receives prestigious grant at University of Delaware

01 Mar 2012 - The most widespread contaminant of groundwater is not a microbe, industrial chemical or harmful element such as arsenic, according to University of...

Investigating the earth’s critical zone

30 Jan 2012 - To the ordinary eye, south-central Pennsylvania's Shale Hills catchment is a pleasant little tract of deciduous forest much like any other in...

A critical workshop - Landmark international workshop for critical zone scientists held at UD

18 Jan 2012 - International collaboration in critical zone science took a giant step forward in November when about 80 researchers from the U.S., Europe, China...


Levia awarded Humboldt Fellowship to conduct research on insect-forest interactions

19 Dec 2011 - On the underside of a beech leaf, there may be small, white clumps that look like cotton candy. Upon closer look, these sticky fibers encase...

Critical research: Understanding complex interactions within Earth’s critical zone

15 Dec 2011 - Donald Sparks, Anthony Aufdenkampe, and Lou Kaplan reveal their progress in understanding the complex interactions within the Earth's critical zone

Soil solutions: UD doctoral student in soil science receives Dixon Award

30 Nov 2011 - Chunmei Chen, a University of Delaware doctoral student in the Department of Plant and Soil Sciences, was chosen to receive the Dixon Award for best...

Stroud Scientists at Work: Scientists Tour Critical Zone Observatories

15 Sep 2011 - Local bow hunters and about 80 water research scientists from Europe, North America, China, and Australia were among the few humans braving the...

A SMART move: Doctoral student receives prestigious SMART Scholarship

09 Sep 2011 - Josh LeMonte, a first-year doctoral student in the Department of Plant and Soil Sciences at the University of Delaware, has been awarded a...


Christina River Basin Critical Zone Observatory Featured in NSF Video

22 Jun 2010 - The National Science Foundation’s Science360 daily news service website has posted a video that includes a segment on the Christina River...


Team to study human effect on watershed

19 Oct 2009 - The narrow creek that runs behind the Stroud Water Research Center has witnessed plenty of changes over the centuries. Hundreds of years ago,...

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