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.

Highlights of CZO data resources and activities

22 Feb 2019 - Examples of CZO data resources and activities. Includes information on the future migration of our data catalog to HydroShare


Congratulations Jill Marshall on receiving the 2018 Luna B. Leopold Young Scientist Award

06 Nov 2018 - Marshall Receives 2018 Luna B. Leopold Young Scientist 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.


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...

2016 CUAHSI Biennial Colloquium

31 May 2016 - 2016 CUAHSI Biennial Colloquium: Finding Your Place in Big Data: Using Observations to Understand Hydrologic Processes for Predicting a Changing World

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...

CZOData Consultations, Fall 2015

15 Oct 2015 - Members of the National CZOData team are hosting a series of two-hour discussions with individual CZOs about data sharing.

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

Geology paper about Boulder flood on release picked up by the press.

01 Apr 2015 - The Boulder Creek CZO and coauthors are highlighted in recent articles for their analysis of flooding and debris flows from the historic 2013...


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 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.

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.


BcCZO at the American Geophysical Union’s 46th annual Fall Meeting!

01 Dec 2013 - Join the BcCZO and more than 22,000 Earth and space scientists, educators, students, and other leaders in San Francisco, California, 9-13 December,...

“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.

Participate virtually in CZ-EarthCube workshop via WebEx, Jan. 21-23.

17 Jan 2013 - Registration for virtual participation still open for Jan. 21-23 workshop!


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

Jemez River LiDAR data available for download

30 Jul 2012 - Jemez River Basin LiDAR datasets (snow-on and snow-off) have been published on the OpenTopography website.

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.

Explore Further


Explore Further