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



Laura Keefer named Illinois State Hydrologist

28 Oct 2018 - Laura Keefer, head of the Watershed Science Section at the Illinois State Water Survey (ISWS), has been named Illinois state hydrologist.

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.


Kumar receives Mahatma Gandhi Pravasi Samman award

10 Nov 2017 - Praveen Kumar (Univ of Illinois, IML) receives Mahatma Gandhi Pravasi Samman award.

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

Clear Creek Watershed Research & Conservation Efforts: Jazmin Lopez and Sarah Parcher

21 Jul 2016 - Jazmin Lopez and Sarah Parcher are undergraduate students studying at the University of Iowa and the University of Nebraska-Omaha, respecively....

Clear Creek Watershed Research & Conservation Efforts: Katie Goff

07 Jul 2016 - Katie Goff is a masters student studying earth and environmental sciences at the University of Iowa. As part of her research, Goff collects data and...

Q&A with IML-CZO Investigator Larry Weber (University of Iowa)

08 Jun 2016 - Dr. Larry Weber is an investigator for the IML-CZO who serves on the faculty in the Department of Civil and Environmental Engineering at the...

IML-CZO researchers featured in ‘Hydrolink’ magazine

22 Apr 2016 - Three IML-CZO researchers recently co-authored an article in Hydrolink magazine which examined the Hydraulics and Sedimentation Laboratory (HSL) at...

IML-CZO Investigator Profiles: Marian Muste (University of Iowa)

15 Apr 2016 - During his first two years in the United States, IML-CZO investigator Dr. Marian Muste experienced two events that would become major news stories...

IML-CZO Investigator Profiles: Aaron Packman (Northwestern University)

08 Apr 2016 - Journalist Michael Pollan once said: “In one handful of soil there are more organisms than there are humans on earth and we are only beginning...

IML-CZO Investigator Profiles: Andrew Stumpf (Illinois State Geological Survey)

01 Apr 2016 - Between roughly 2 million years ago and 10,000 years ago, during the Pleistocene Epoch or “Ice Age,” massive glaciers swept across...

Video: Critical Zone Observatories help U.S. plan for the future

21 Mar 2016 - The short video features the Intensely Managed Landscapes Critical Zone Observatory (IML-CZO) with commentary from IML Co-Director Praveen Kumar.

IML-CZO Investigator Profiles: Adam Ward (Indiana University)

18 Mar 2016 - Farming in the Midwest provides food and energy for the rest of the United States and even other parts of the world but some of the agricultural...

IML-CZO Investigator Profiles: Neal Blair (Northwestern University)

11 Mar 2016 - While urban and rural areas are seemingly polar opposites the two different areas depend greatly on one another, according to IML-CZO investigator...

IML-CZO Investigator Profiles: Art Bettis (University of Iowa)

26 Feb 2016 - Iowa poet laureate Mary Swander once said that the Hawkeye State has “the most altered landscape in the United States.” This...

U.S.-China EcoPartnership for Environmental Sustainability Conference Summary

01 Feb 2016 - Summary of a conference and workshop dedicated to Critical Zone Science, Sustainability, and Services in a Changing World hosted by Purdue University.


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

28 Nov 2015 - Get a sense of the people and the work. Several members of the Intensively Managed Landscapes (IML) CZO are profiled here.

Critical Zone Profile - ANDREW STUMPF (Quaternary geologist, senior investigator)

28 Nov 2015 - Associate Quaternary Geologist, Illinois State Geological Survey; Prairie Research Institute, University of Illinois, Urbana-Champaign

Critical Zone Profile - LAURA KEEFER (fluvial geomorphologist, senior investigator)

28 Nov 2015 - Head of Surface Water Hydrology & Hydraulics, Illinois State Water Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign

IML-CZO Offers Short Course on Organic Matter

25 Aug 2015 - The Role of Runoff and Erosion on Soil Carbon Stocks: From Soilscapes to Landscapes instrument training short course Oct 20-21, Purdue University

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.


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)

Introducing Intensively Managed Landscapes (IML) CZO

03 Mar 2014 - The IML-CZO focuses on intensely managed agricultural and urban landscapes in Iowa, Illinois, and Minnesota.

Explore Further


Explore Further