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.

Autori: Boaz Hilman; Jan Muhr; Jan Muhr; Juliane Helm; Iris Kuhlmann; Ernst Detlef Schulze; Susan E. Trumbore
Pubblicato in: Plant, Cell and Environment, Numero 44 (8), 2021, Pagina/e 2522-2535, ISSN 0140-7791
Editore: 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

Autori: Juliane Helm, Roberto L. Salomón, Boaz Hilman, Jan Muhr, Alexander Knohl, Kathy Steppe, Yves Gibon, Cédric Cassan, Henrik Hartmann
Pubblicato in: Plant, Cell & Environment, 2023, ISSN 0140-7791
Editore: 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

Autori: J. Braden-Behrens; Y. Yan; A. Knohl; A. Knohl
Pubblicato in: Atmospheric Measurement Techniques, 2017, ISSN 1867-1381
Editore: 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

Autori: Juliane Helm, Henrik Hartmann, Martin Göbel, Boaz Hilman, David Herrera, Jan Muhr
Pubblicato in: Tree Physiology, 2021, ISSN 1758-4469
Editore: Oxford University Press
DOI: 10.1093/treephys/tpab022

Eddy covariance measurements of the dual-isotope composition of evapotranspiration

Autori: Jelka Braden-Behrens, Christian Markwitz, Alexander Knohl
Pubblicato in: Agricultural and Forest Meteorology, Numero 269-270, 2019, Pagina/e 203-219, ISSN 0168-1923
Editore: 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

Autori: Anas Emad; Lukas Siebicke
Pubblicato in: Atmospheric measurement techniques, Numero 2, 2023, ISSN 1867-1381
Editore: 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

Autori: Anas Emad; Lukas Siebicke
Pubblicato in: Atmoshperic measurement technique, 2023, ISSN 1867-1381
Editore: 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)

Autori: Alexander Knohl; Jan Muhr; Jonathan Jürgensen
Pubblicato in: Forests; Volume 12; Numero 12; Pages: 1693, Numero 19994907, 2021, Pagina/e Switzerland, ISSN 1999-4907
Editore: MDPI Open Access Publishing
DOI: 10.3390/f12121693

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

Autori: 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.
Pubblicato in: EGU General Assembly 2023, Numero EGU23-15628, 2023
Editore: Copernicus
DOI: 10.5194/egusphere-egu23-15628

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

Autori: Alexander Knohl, Emanuel Blei, Andrew C. Manning, Penelope A. Pickers, Yuan Yan
Pubblicato in: Proceedings 10th International Carbon Dioxide Conference, 2017
Editore: University of Bern

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

Autori: Alexander Knohl, Emanuel Blei, Jelka Braden-Behrens, Jonathan Jürgensen, Andrew C. Manning, Penelope A. Pickers, Yuan Yan
Pubblicato in: Geophysical Research Abstracts, Numero Vol. 20, 2018, Pagina/e EGU2018-19833
Editore: European Geosciences Union

Fluxes of Oxygen (O2) in a European Beech Forest

Autori: 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
Pubblicato in: Proceedings Fall Meeting American Geophysical Union 2020, 2020
Editore: 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

Autori: Yuan Yan; Anne Klosterhalfen; Fernando Moyano; Matthias Cuntz; Andrew C. Manning; Alexander Knohl
Pubblicato in: Biogeosciences Discussion, 2023
Editore: Copernicus
DOI: 10.5194/bg-2023-30

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