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.


CZOs at AGU 2017

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

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.

CZNews: Fall 2017

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

Earth Science Week 2017 Video Contest

15 Aug 2017 - For Earth Science Week 2017, the American Geosciences Institute invites you to enter the Earth Connections video contest. Submit a brief, 30-90...

CZNews: Summer 2017

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

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

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

2017 CZO Webinar Series: Critical Zone and Society

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

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...


Summer research program boosts confidence, shapes careers

18 Sep 2015 - “Hydrosphere! Lithosphere! Atmosphere! Biosphere!” students and teachers shouted during orientation for this summer’s Critical...

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.

Stroud expands environmental awareness with its intern program

14 Aug 2015 - The Stroud Water Research Center does more than count bugs in streams. As a result of its educational and scientific projects, hundreds of students...

The 2015 CZO REU/RET orientation begins at Penn State

10 Jun 2015 - Funded by the National Science Foundation, eight REU/RET participants with Susquehanna Shale Hills Critical Zone Observatory joined seven...


Using a CZO network to explore the architecture, dynamics and evolution of the Critical Zone

03 Nov 2014 - The US CZO National Office has organized a webinar on December 8, 2014 at 11AM - 12:30 PM ET.

CZO REUs and RETs present research at 2014 CUAHSI Biennial Meeting

26 Aug 2014 - The Critical Zone Observatory Research Experience for Undergraduates and Research Experience for Teachers program participants traveled to...

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)


Discoveries in the Critical Zone: Where Life meets Rock

11 Jul 2013 - The National Science Foundation's Cheryl Dybas recently finalized a new report entitled "Discoveries in the Critical Zone: Where Life meets...

InTeGrating CZO Science

06 Jun 2013 - During the week of May 19, five faculty members interested in Critical Zone science traveled to Northfield, MN to participate in an InTeGrate...

Christina Basin Task Force Explores WikiWatershed

08 Mar 2013 - Christina Basin Clean Water Partnership Task Force Explores Potential for WikiWatershed to Engage Stakeholders and Public


Critical Zone Observatory Sensor Blog Launched

04 Dec 2012 - Steve Hicks, Stroud Water Research Center’s research engineer, has launched a blog aimed at sharing wireless sensor network ideas, designs,...

CZO Presentations at 2012 AGU

03 Dec 2012 - A listing of more than 125 CZO-related presentations for the 2012 annual meeting of the AGU.

The Critical Zone Goes To School

16 Nov 2012 - {embed1} For five weeks in October and November, 4th and 5th grade students participated in an after-school science club where they learned about...

SEG student chapter at Rutgers organizes NSF visit, SSHCZO research presented

05 Nov 2012 - Students present benefits of collaborating with CZOs for their annual geophysics field trip.

Watershed symposium: UD research presented at White Clay Creek symposium

05 Oct 2012 - Faculty and students from the University of Delaware presented research on watershed issues at a recent symposium that brought together a variety of...

Restoration highlights from 2012 Christina River Basin Bus Tour

27 Sep 2012 - A blog post describing recent stream restoration efforts highlighted on the 2012 annual Christina River Basin Bus Tour.

Public Seminar: Aufdenkampe on Big Data and Sustainability

29 Aug 2012 - Earth Observation and the Explosion of Earth Data: How emerging tools and approaches are enabling 21st century scientists to address sustainability

Rutgers-Newark Geophysical Society visits for Christina River Basin CZO forest survey

19 Apr 2012 - On April 18-19, 2012, colleagues from Rutgers University, Temple University, and City University of New York visited the Christina River Basin CZO...

Educators Learn Sensors With Open-Source Electronics

26 Mar 2012 - Teacher workshop trains educators how to build and use environmental sensors in the classroom

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


Open-Source Sensor Keynote to PA Conservation District Watershed Specialists

14 Oct 2011 - Anthony Aufdenkampe and Steve Hicks presented “Wireless Sensor Networks for Watershed Assessment – Emerging Technologies" to PA Watershed Specialists

CRB-CZO Featured at National STEM Education Event

19 Sep 2011 - Aufdenkampe and Gill present at NSF event, STEM Smart: Lessons Learned From Successful Schools, at Drexel University.

CRB-CZO Sensor Network Development Showcased on Capitol Hill

16 Mar 2011 - A group of University of Delaware faculty, administrators and students packed their prototypes, their posters, their interactive displays and their...

CZO Presented to DNREC for Inaugural EcoCafe workshop

15 Mar 2011 - The University of Delaware and the Delaware Department of Natural Resources and Environmental Control (DNREC) have created a new avenue to connect...


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...

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