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Quantifying the effects of interacting nutrient cycles on terrestrial biosphere dynamics and their climate feedbacks (QUINCY)

lifetime: Sept. 2015 - Aug. 2020

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Releases of the QUINCY terrestrial ecosystem model

The new terrestrial ecosystem model QUINCY has been designed from scratch to allow for a seamless integration of the fully coupled carbon, nitrogen, and phosphorus cycles with each other and also with processes affecting the energy and water balances in terrestrial ecosystems (Thum et al. 2019).

The QUINCY model source-code is available from the QUINCY model releases git repository.
The access to this git repository is restricted to registered users. More details about getting access can be found at the Software page.

doi 10.17871/quincy-model-2019
Model name QUINCY model
Publisher Max Planck Institute for Biogeochemistry (MPI-BGC), Jena, Germany
Creators Sönke Zaehlea, Caldararu Silviaa, Engel Jana, Kern Melaniea, Schnur Reinerb, Thum Teaa, Yu Lina

a MPI-BGC Jena, b MPI-Met Hamburg
Initial publication year 2019
Resource type Model source code
Licence GNU GPL v3 and MPI-M software license (details at the Software page)
Contact Sönke Zaehle: szaehle(at)

Release information

Each release of the QUINCY model is stored in an individual branch.

QUINCY land model - release01

QUINCY land model - release02

  • branch name: quincy-land/release02
  • brief info: Adds the capacity to calculate variable leaf N content using whole-plant optimality theory, implemented as an alternative to the empirical formulation in quincy-land/release01.
  • publication:
  • Bug reports, info, and comments to: Sönke Zaehle (email:

Jena Soil Model (JSM) - release01

  • branch name: jsm/release01
  • brief info: JSM, implemented using the QUINCY model framework, is a microbial-explicit, vertically resolved soil organic matter model integrated with N and P processes, which represents the microbial explicit decomposition and stabilisation with approaches for microbial adaptation and plant-microbe competition.
  • publication:
  • Bug reports, info, and comments to: Sönke Zaehle (email:

This project receives funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 647204)

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