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



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.


Delegation from China Geologic Survey visits Shale Hills CZO

03 Nov 2017 - During the week of October 30th, Penn State and SSHCZO hosted 15 scientists from the China Geological Survey, with interests ranging from saltwater...

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.


Shale Hills hosts eight-member delegation from China

09 Sep 2016 - To further their knowledge in critical zone research, a delegation of geologists from the China Geological Survey (CGS) and students from the China...

Team takes a Sunday field trip to the new “Ag” site to explore instrumentation design

29 Aug 2016 - Investigators and students traveled to the Cole Farm yesterday afternoon, downstream of Shale Hills proper, to explore the topography of the...


EOS: Taking the Pulse of the Earth’s Surface Systems

04 Dec 2015 - Taking the Pulse of the Earth's Surface Systems In September of 2014, Laurel Larsen (UC Berkley), Elizabeth Hajek (Penn State), and others...


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.

2014 CZOData Cyber-Seminar Spring Series

06 Mar 2014 - Presentations describing the Integrated CZO Data system and how to use it; for interested CZO investigators, students & staff.


Deployment of Non-Invasive Soil Moisture Instrumentation a Success

06 Jul 2011 - Postdoctoral Research Associate Dr. Trenton Franz, Department of Hydrology and Water Resources at the University of Arizona, has successfully...

Nine Undergraduates Complete the 3rd Annual Hydrogeophysics Field Camp

04 Jun 2011 - The 3rd annual hydrogeophysics field camp, offered by Dr. Kamini Singha, has come to completion. Nine undergraduate participants, from rising...

The COsmic-ray Soil Moisture Observing System (COSMOS) is coming to the catchment

21 Mar 2011 - A non-invasive, intermediate scale soil moisture measurement network consisting initially of 50 probes is upscaling to 500 probes distributed across...


Airborne LiDAR survey completed for Susquehanna Watershed

26 Jul 2010 - Last week, NCALM, NSF’s National Center for Airborne Laser Mapping completed an airborne laser mapping flight over the Susquehanna/Shale Hills...

Hydrogeophysics Field Camp Returns for 2nd year

16 Apr 2010 - This summer, nine undergraduate students will be taking Geosc 397A: The Hydrogeophysics Field Experience with Dr. Kamini Singha from May 17 to June...

Terrestrial LIDAR Comes to the Catchment

01 Apr 2010 - PI’s Eric Kirby and Rudy Slingerland and PhD student, Nicole West, hosted A.J. Herrs (University of Kansas) from March 21st – 23rd to...

Explore Further


Explore Further