Note to CZ colleagues

The CZO program will end November 2020, succeeded by a new NSF-supported "Critical Zone Collaborative Network”. Learn more via NSF's call for proposals (December 02, 2019 deadline).

CZO works closely with CZEN

CZEN, the Critical Zone Exploration Network is an international community of people and field sites investigating processes in the Critical Zone: CZEN Info | Jobs & Opportunities | Community Groups | Field Sites (Site Seeker)



Belmont Forum Announces Collaborative Research Call on Soils

20 Apr 2020 (National, Boulder, Calhoun, Catalina-Jemez, Eel, IML, Luquillo, Reynolds, Shale Hills, Sierra) - The Belmont Forum is pleased to announce the launch of a collaborative research call on the theme: Towards Sustainability of Soils and Groundwater...


2020 CZO Webinar Series on Sustainability

18 Mar 2020 (National, Boulder, Calhoun, Catalina-Jemez, Eel, IML, Luquillo, Reynolds, Shale Hills, Sierra) - The U.S. CZO Program presents the 2020 CZO Webinar Series to highlight research findings of CZOs and discuss the impact and relevancy of their...


Carbonate Critical Zone Research Coordination Network to hold field workshop to Shale Hills CZO

04 Mar 2020 (National, Shale Hills) - Applications are being accepted for the workshop to be held August 2-5, 2020 at Temple University in Philadelphia.


Job Opening: Professor & Department Head of Ecosystem Science and Management at Penn State

20 Nov 2019 (National, Shale Hills) - The Department of Ecosystem Science and Management at The Pennsylvania State University invites nominations and applications for the position of...


CZOs at AGU 2019

19 Nov 2019 (National, Boulder, Calhoun, Catalina-Jemez, Eel, IML, Luquillo, Reynolds, Shale Hills, Sierra) - A list of CZ-related sessions, abstracts and events at the 2019 AGU Fall Meeting.


PhD or MS studying nitrogen cycling at Penn State University

11 Nov 2019 (National, Shale Hills) - PhD or MS opportunities to study nitrogen cycling in forest and/or agricultural soils at Penn State University.


Movie: Feature on the German - Chilean Earthshape CZ project

28 Oct 2019 (National) - Watch a new movie featuring the German - Chilean Earthshape project entitled "The Skin of the Earth: where Life meets Rocks."


K-12 Activity: Make Your Own Landslide!

13 Oct 2019 (Boulder) - To understand landslides, students use a small-scale model to explore how Earth materials and water on varying slopes result in landslides.


CZ colleagues: Please contact us about proposals for NSF’s CZ Collaborative Network, due 02 Dec 2019

08 Jul 2019 (National, Boulder, Calhoun, Catalina-Jemez, Christina, Eel, IML, Luquillo, Reynolds, Shale Hills, Sierra) - 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.


NSF awarded two CZ Research Coordination Networks

03 Jun 2019 (National) - The National Science Foundation (NSF) Division of Earth Sciences (EAR) within the Directorate for Geosciences (GEO) has awarded two Research...

Penn State students, citizen scientists take snapshot of Shaver’s Creek

11 Nov 2019 (Shale Hills) - Penn State researchers and citizen scientists took a Snapshot of the Shaver's Creek watershed in Huntingdon County, Pennsylvania.

CZ Special Issue of MDPI journal Atmosphere

01 Nov 2019 (National) - Manuscripts due 31 Oct 2020 for special issue: "Impact of Climate and Land-Use Change on the Earth’s Critical Zone"

Shale Hills Critical Zone Observatory Hosts SciWri19 Field Tour

29 Oct 2019 (Shale Hills) - Members of the Susquehanna Shale Hills Critical Zone Observatory gave a tour of the CZO to nearly 30 science writers during the SciWri19 conference he


Richardson Named SWE Outstanding Collegiate Member

06 Sep 2019 (IML) - IMLCZO's Meredith Richardson has been named one of the Society for Women Engineers' Outstanding Collegiate Members.

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Where is the bottom of a watershed?. Condon L.E., Markovich K.H., Kelleher C.A., McDonnell J.J., Ferguson G., and McIntosh J.C. (2020): Water Resources Research 56(3): e2019WR026010 (Catalina-Jemez)


Quantification of Mixed-Layer Clays in Multiple Saturation States Using NEWMOD2: Implications for the Potassium Uplift Hypothesis in the SE United States. Austin, J.C., Richter, D.D. & Schroeder, P.A. (2020): Clays and Clay Minerals (Calhoun)


Digging deeper: what the critical zone perspective adds to the study of plant ecophysiology. Dawson, T.E., Hahm, W.J., & Crutchfield-Peters, K. (2020): New Phytologist (Eel)


Temporal dynamics of migration‐linked genetic variation are driven by streamflows and riverscape permeability. Kelson, S.J., Miller, M.R., Thompson, T.Q., O'Rourke, S.M. & Carlson, S.M. (2020): Molecular Ecology (Eel)


Resolving Deep Critical Zone Architecture in Complex Volcanic Terrain. Moravec B.G., White A.M., Root R.A, Sanchez A., Olshansky Y., Paras B.K., Carr B., McIntosh J., Pelletier J.D., Rasmussen C., Holbrook W.S., Chorover J. (2020): Journal of Geophysical Research: Earth Surface 125(1): e2019JF005189 (Boulder, Catalina-Jemez, Eel, Reynolds, Sierra) Cross-CZO


Critical Zone Biogeochemistry. Moravec, B. and Chorover, J. (2020): In Biogeochemical Cycles (eds K. Dontsova, Z. Balogh‐Brunstad and G. Le Roux) (Catalina-Jemez)


Bundled Causal History Interaction. Jiang, P., and Kumar, P. (2020): Entropy (IML)


A new dynamic wetness index (DWI) predicts soil moisture persistence and correlates with key indicators of surface soil geochemistry. Li, M., Foster, E.J., Le, P.V.V., Yan, Q., Stumpf, A., Hou, T., Papanicolaou, A.N., Wacha, K.M., Wilson, C.G., Wang, J., Kumar, P., and Filley, T. (2020): Geoderma (IML)

Winter CO2 efflux from sagebrush shrublands distributed across the rain‐to‐snow transition zone. Fellows, A.W., Flerchinger, G.N., Seyfried, G.N., Biederman, J.A.. and K.A. Lohse (2020): JGR Biogeosciences (Reynolds)

Understanding the effect of fire on vegetation composition and gross primary production in a semi-arid shrubland ecosystem using the Ecosystem Demography (EDv22) model. Pandit, K., Dashti, H., Hudak, A.T., Glenn, N.F., Flores, A.N., and D.J. Shinneman (2020): Biogeosciences Discuss. (Reynolds)

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