Oxygen flux measurements as a new tracer for the carbon and nitrogen cycles in terrestrial ecosystems

The size and the age of the metabolically active carbon in tree roots.

Auteurs: Boaz Hilman; Jan Muhr; Jan Muhr; Juliane Helm; Iris Kuhlmann; Ernst Detlef Schulze; Susan E. Trumbore
Publié dans: Plant, Cell and Environment, Numéro 44 (8), 2021, Page(s) 2522-2535, ISSN 0140-7791
Éditeur: Blackwell Publishing Inc.
DOI: 10.1111/pce.14124

Differences between tree stem CO2 efflux and O2 influx rates cannot be explained by internal CO2 transport or storage in large beech trees

Auteurs: Juliane Helm, Roberto L. Salomón, Boaz Hilman, Jan Muhr, Alexander Knohl, Kathy Steppe, Yves Gibon, Cédric Cassan, Henrik Hartmann
Publié dans: Plant, Cell & Environment, 2023, ISSN 0140-7791
Éditeur: Blackwell Publishing Inc.
DOI: 10.1111/pce.14614

A new instrument for stable isotope measurements of 13C and 18O in CO2 – instrument performance and ecological application of the Delta Ray IRIS analyzer

Auteurs: J. Braden-Behrens; Y. Yan; A. Knohl; A. Knohl
Publié dans: Atmospheric Measurement Techniques, 2017, ISSN 1867-1381
Éditeur: Copernicus Gesellschaft mbH
DOI: 10.5194/amt-10-4537-2017

Low-cost chamber design for simultaneous CO2 and O2 flux measurements between tree stems and the atmosphere

Auteurs: Juliane Helm, Henrik Hartmann, Martin Göbel, Boaz Hilman, David Herrera, Jan Muhr
Publié dans: Tree Physiology, 2021, ISSN 1758-4469
Éditeur: Oxford University Press
DOI: 10.1093/treephys/tpab022

Eddy covariance measurements of the dual-isotope composition of evapotranspiration

Auteurs: Jelka Braden-Behrens, Christian Markwitz, Alexander Knohl
Publié dans: Agricultural and Forest Meteorology, Numéro 269-270, 2019, Page(s) 203-219, ISSN 0168-1923
Éditeur: Elsevier BV
DOI: 10.1016/j.agrformet.2019.01.035

True eddy accumulation – Part 1: Solutions to the problem of non-vanishing mean vertical wind velocity

Auteurs: Anas Emad; Lukas Siebicke
Publié dans: Atmospheric measurement techniques, Numéro 2, 2023, ISSN 1867-1381
Éditeur: Copernicus Gesellschaft mbH
DOI: 10.5194/amt-16-29-2023

True eddy accumulation – Part 2: Theory and experiment of the short-time eddy accumulation method

Auteurs: Anas Emad; Lukas Siebicke
Publié dans: Atmoshperic measurement technique, 2023, ISSN 1867-1381
Éditeur: Copernicus Gesellschaft mbH
DOI: 10.5194/amt-16-41-2023

Variations of the Oxidative Ratio across Ecosystem Components and Seasons in a Managed Temperate Beech Forest (Leinefelde, Germany)

Auteurs: Alexander Knohl; Jan Muhr; Jonathan Jürgensen
Publié dans: Forests; Volume 12; Numéro 12; Pages: 1693, Numéro 19994907, 2021, Page(s) Switzerland, ISSN 1999-4907
Éditeur: MDPI Open Access Publishing
DOI: 10.3390/f12121693

Simultaneous O2 and CO2 Flux Measurements with Custom-made Branch Chambers for Fagus sylvatica

Auteurs: Knohl, A., Klosterhalfen, A., Muhr, J., Blei, E., Bonazza, M., Fellert, D., Manning, A., Markwitz, C., Pickers, P. A., Tiedemann, F., Tunsch, E., and Yan, Y.
Publié dans: EGU General Assembly 2023, Numéro EGU23-15628, 2023
Éditeur: Copernicus
DOI: 10.5194/egusphere-egu23-15628

Oxygen flux measurements as a new tracer for the carbon and nitrogen cycles in terrestrial ecosystems

Auteurs: Alexander Knohl, Emanuel Blei, Andrew C. Manning, Penelope A. Pickers, Yuan Yan
Publié dans: Proceedings 10th International Carbon Dioxide Conference, 2017
Éditeur: University of Bern

Oxygen flux measurements as a new tracer for the carbon and nitrogencycles in terrestrial ecosystems

Auteurs: Alexander Knohl, Emanuel Blei, Jelka Braden-Behrens, Jonathan Jürgensen, Andrew C. Manning, Penelope A. Pickers, Yuan Yan
Publié dans: Geophysical Research Abstracts, Numéro Vol. 20, 2018, Page(s) EGU2018-19833
Éditeur: European Geosciences Union

Fluxes of Oxygen (O2) in a European Beech Forest

Auteurs: Alexander Knohl, Jan Muhr, M. Julian Deventer, Emanuel Blei, Jelka Braden-Behrens, Mattia Bonazza, Christian Markwitz, Edgar Tunsch, Penelope A. Pickers, David D. Nelson, Mark Zahniser, Andrew C. Manning
Publié dans: Proceedings Fall Meeting American Geophysical Union 2020, 2020
Éditeur: American Geophysical Union

A Modeling Approach to Investigate Drivers, Variability and Uncertainties in O2 Fluxes and the O2 : CO2 Exchange Ratios in a Temperate Forest

Auteurs: Yuan Yan; Anne Klosterhalfen; Fernando Moyano; Matthias Cuntz; Andrew C. Manning; Alexander Knohl
Publié dans: Biogeosciences Discussion, 2023
Éditeur: Copernicus
DOI: 10.5194/bg-2023-30

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