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

CZOs at AGU 2019

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19 Nov 2019

A list of CZ-related sessions, abstracts and events at the 2019 AGU Fall Meeting.

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The American Geophysical Union will hold its annual meeting on 9-13 December 2019 in San Francisco, CA. This year's meeting marks AGU Centennial year. 

Meeting website:

Find a list of AGU sessions, abstracts, and events associated with the U.S. CZO program linked below.

2019 CZO AGU Agenda (3 MB PDF)

Important Dates:

At the Meeting

CZO personnel will be available to meet with you in the Exhibit Hall throughout the meeting - please stop by Booth #109.

The CZOs will also host a Town Hall, "The Critical Zone: Observatory Progress and New Opportunities," on Thursday, December 12th from 12:30 - 1:30 pm (local time) in Moscone West - 2003, L2. Light refreshments will be served. 

Follow us on Twitter at @criticalzoneorg for updates throughout AGU.

CZ-related sessions and events at AGU 2019

For a complete list of CZO sessions, presentations and posters at AGU 2019, please see the 2019 CZO Agenda



  • 2019 AGU International Critical Zone Network-of-Networks Early Career Workshop 
    Sunday, 8 December 2019

    Critical Zone Observatories (CZOs) are instrumented field sites for monitoring hydrological fluxes, energy matter, and biogeochemical cycles - from bedrock to canopy, across terrestrial and aquatic interfaces, and across climatic and hydrobiogeochemical gradients. Networks of CZOs and their Watershed equivalents have been established in many countries, including in the US, France, Germany, and Canada. Critical zones and watersheds are “human habitats”, important for sustaining basic human needs such as water, food, and energy as well as crucial for the ecosystem services they provide. The future behavior of these systems is uncertain due to changing environmental conditions as well as rapidly growing population, urbanization, industrialization and irrigation for food production. A systematic approach is needed to explore how critical zone networks are tackling the challenge of understanding and predicting their systems, including associated questions, tools and approaches.  This one day workshop presents such a platform to formally bring together an international cohort of early career scientists from across these CZO/Watershed networks to initiate this systematic approach.
  • 5th Annual International CZO Workshop
    Sunday, 8 December 2019 
  • Town Hall: The Critical Zone: Observatory Progress and New Opportunities
    Thursday, 12 December 2019 | 12:30 - 13:30 | Moscone West - 2003, L2

    Critical Zone Observatories (CZOs) are natural laboratories for investigating Earth surface processes. CZO research seeks to understand these coupled processes across all timescales using quantitative models parameterized from observations of meteorological variables, streams and groundwater, and sampling and analyzing landforms, bedrock, soils, and ecosystems. Teams of cross-disciplinary scientists at nine sites across the U.S. work to further CZ science using field and theoretical approaches, education and outreach. The U.S. network includes a national office that works with other U.S. entities including the LTER network and CUAHSI, and various international environmental science networks. In this town hall the CZO community seeks to engage the greater Earth surface and environmental science community through: 1) an update of network-scale research outcomes that could not have been achieved without the CZO approach; 2) other recent U.S. network and international activities; and, 3) reports on various upcoming opportunities to engage in CZ science through Research Coordination Networks, international programs, and the soon-to-be-announced next version of the CZO program in the U.S. All scientists interested in problems related to Earth surface and environmental science are invited. 

For a complete list of CZO sessions, presentations and posters at AGU 2019, please see the 2019 CZO Agenda.

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2019 CZO AGU Agenda
(389 KB pdf)
A list of CZO sessions, presentations, and posters at the 2019 AGU Fall Meeting.