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

DATA News

2019

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.

2017

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.

X-ray Diffraction for Clay Minerals at Calhoun

01 May 2017 - Anna Wade (visiting from Duke University) and Jay Austin (based at the University of Georgia) are collaborating by using X-ray Diffraction (XRD) to...

2016

Eight new soil pits dug at the Calhoun!

17 Oct 2016 - Eight soil pits were installed at the Calhoun CZO on 17-18 October 2016 for easy access for soil sampling down to 2 meters. Photo: Will Cook.

Super-high res Calhoun CZO 2016 Leaf-Off LiDAR data available!

03 Oct 2016 - The February 2016 leaf-off flight covered an area of 78.3 square kilometers, less than the summer 2014 flight, but with greater point density

Going deep! Gas wells installed at 8.5 m

14 Jul 2016 - Another Calhoun CZO record - gas reservoirs installed at 8.5m depth! Jay Austin, Zach Brecheisen, and Dan Richter only stopped at 8.5m because they...

TDR probes installed to monitor soil moisture

13 Jul 2016 - On July 13, 2016, Duke PhD candidate Zach Brecheisen, with assistance from his advisor Dan Richter and Jay Austin, installed TDR probes at 25-cm...

2015

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...

CCZO multi-layer geospatial pdf map updated!

11 Sep 2015 - Grad student Zach Brecheisen has updated this wonderful multi-layered pdf to share with other CCZO researchers.

CCZO multi-layer geospatial pdf map

13 Apr 2015 - Grad student Zach Brecheisen has created this wonderful multi-layered pdf to share with other CCZO researchers.

2014

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.

1933 Aerial photo data

08 Sep 2014 - High resolution black and white aerial photos have been scanned to be digitized to produce information about land use change, hydrology, energy...

Upcoming LiDAR Flights 2014-15

23 Jul 2014 - Investigators are preparing for a leaf-on flight of the Calhoun Critical Zone Observatory area of about 150-km2 during the summer of 2014. The...

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.