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The goal of 14Constraint is to enhance the availability and use of radiocarbon data as constraints for process-based understanding of the age distribution of carbon in and respired by soils and ecosystems. A team of researchers who is envisioned who will (1) work collaboratively with others on building an open community database of 14C data; (2) fill gaps in data and understanding by making new radiocarbon measurements in soil and respired CO2, (3) use models to interpret data for improving models of soil C cycling and (4) produce global data products for comparison with models.

The 14Constraint Team

PIs: Susan Trumbore, Carlos Sierra, Marion Schrumpf
Technical support: Kerstin Lohse, Jessica Heublein, Iris Kuhlmann, The Jena 14C analysis Facility
Researchers: Alison Hoyt, Valerie Schwab, Jan Muhr
PhD students: Jeffrey Beem-Miller, Shane Stoner
Collaborating researchers
UC Irvine: Jim Randerson, Xiaomei Xu, Yujie He
Lawrence Berkeley Lab: Margaret Torn

Recent events

  • 14Constraint is hosting a “hack-a-thon” the 10-17 September with colleagues from the Powell center to work on the International Soil Radiocarbon Database (IsRad) and the publication announcing it.
  • Alison Hoyt co-convening a session at AGU: B087: Timescales of Carbon Cycling in Soils: Observations, Data Synthesis and Modeling
  • June 2018 Jeff Beem-Miller gives a talk on the Radiocarbon data base at the Radiocarbon meeting in Trondheim (From Fractions to Fluxes: The International Soil Radiocarbon Database (ISRaD)
  • May-July 2018 - Visit by istván Fekete (University of Nyiregyhaza, Hungary) funded by ERC
  • March 2018 - Susan give a talk at the INRA Symposium on Earth System Function and Climate Change
  • December 2017 AGU meeting and ICSN Hackathon
  • November 2017 Powell Center Database workshop with Corey Lawrence
  • September 2017 Radiocarbon short course
  • August-October 2017 Visit by Visit by Kateřina Jandová (Charles University, Prague, Czech Republic)
  • July- August 2017 Visit by Suzanne Pierre (Cornell University, New York, USA)
  • July 2017 Installation of the new Micadas AMS system at BGC

Funding from ERC Advanced Grant

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