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.

CUAHSI Instrumentation Discovery Travel Grants

14 Mar 2019 - CUAHSI is accepting proposals for its Instrumentation Discovery Travel Grant program (IDTG). The proposal deadline is April 19, 2019.


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.

Hurricane Maria damages Luquillo CZO

24 Oct 2017 - (Updated) Hurricane Maria has caused damage to both the landscape and the infrastructure at Luquillo CZO, Puerto Rico.

2017 CZO Webinar Series: Critical Zone and Society

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


Critical Zone Q&A with researcher Adrian Harpold

19 Oct 2016 - University of Nevada Reno's Adrian Harpold reflects on his past and present time researching at Critical Zone Observatories.

Cold Springs fire!

11 Jul 2016 - The Cold Springs fire is south of Gordon Gulch, and could threaten Gordon Gulch. The greater Nederland area is under an evacuation order, Most roads...

CU-Boulder to dedicate new SEEC facility today

14 Apr 2016 - The new SEEC building, the BcCZO home is being dedicated today April 14th. New labs, new offices!! BOULDER -- A dedication ceremony and reception...

Korean KNU CZO visit great success!

01 Feb 2016 - BcCZO‬ had a great visit from the ‪KNU‬ ‪‎CZO‬ in South Korea. A new CZO that has been funded for about 5 months...


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...

An International Initiative for Science in the Critical Zone

23 Jun 2015 - The results of a pre-AGU 2014 international Critical Zone workshop in San Francisco were recently published in Eos Buzz.

Video: CZ graduate students reflect on experience at University of Western Australia Summer School

13 May 2015 - Students from around the Worldwide Universities Network (WUN) gathered in Perth for two weeks in Feb. 2015 for the Inaugural WUN Summer School.


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 National Office announced

17 Jun 2014 - A CZO National Office (CZONO) has been announced, directed by Lou Derry (Cornell) with coordination activities led by Tim White (Penn State).

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.

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.

Introducing Calhoun CZO

03 Mar 2014 - The Calhoun CZO seeks to understand how Earth’s Critical Zones respond to and recover from severe erosion and land degradation.

Introducing Reynolds Creek CZO

03 Mar 2014 - New Reynolds Creek CZO leverages USDA ARS spatial and temporal hydroclimate data to improve prediction of soil carbon and critical zone processes

New CZOs formally unveiled

17 Jan 2014 - The National Science Foundation formally announced the funding of four new Critical Zone Observatories to be added to expand the network to a total...

UNESCO IHP has issued a Monograph on the Science and Practice of Integrated River Basin Management

17 Jan 2014 - The report is the product  of the North American - UNESCO HELP workshop held at Portland State University,  Portland, Oregon, May 10 -12,...


Boulder Creek CZO responds to record-breaking Colorado rainfall and flooding

13 Sep 2013 - Investigators and staff rush into action to collect samples and observe impacts

“BiG CZ” Scientific Software Integration Proposal Submitted to NSF

19 Mar 2013 - SI2-SSI: The community-driven BiG CZ software system for integration and analysis of bio- and geoscience data in the critical zone.


Online Registration Open for Critical Zone EarthCube Domain Workshop, Jan. 21-23, 2013.

04 Dec 2012 - Registration for virtural participation still open! Registration for in-person participation closed on Sun. Jan 6, 2013.

Resources for 2013 NSF CZO Proposals

15 Oct 2012 - A compilation of reports, publications and other documents relevant for 2013 CZO proposals to NSF Solicitation 12-575, due February 05, 2013

Watch a 7 minute video about the US CZO program

07 May 2012 - Shipherd Reed (Flandrau Science Center, Univ. of Arizona) has produced a 7.5 minute video about the US CZO program.


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...

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