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Cross-Scale Terrestrial Ecophysiology (XTE)

Jacob A. Nelson

Group description

The Cross-Scale Terrestrial Ecophysiology (XTE) group is focused on taking understanding gained from on the ground measurements into the context of broad scale carbon, water and energy cycles, via knowledge guided, data driven methodologies. Key aims include:

  • Foster and utilize global and regional measurement networks
  • Synthesize ecophysiological understanding from direct ecosystem measurements
  • Develope data driven models guided by mechanistic understanding
  • Global and reagional analysis of carbon, water, and energy cycles

News and Updates

September 2024


This month was the ICOS Scientific Conference 2024, and really enjoyed the excellent science and invigorating discussions. Many new avenues to pursue and connections made!

August 2024


We had the official kick-off meeting for the new ESA funded EO-LINCS project. The project works towards improving data access pipelines for earth observation data to be utiliized for carbon cycle science.

 

July 2024


We are excited to welcome Xiuzhi Chen as a new PhD in the group! Xiuzhi will look a new methods for understanding responses of eddy covariance data.

Also, we have a PostDoc level position open with the aim to integrate new and high spatial resolution observational datasets into the existing FLUXCOM workflow.

  Applications are due by 30 August.

  There is some more info here: https://www.bgc-jena.mpg.de/en/career/14-2024?c=4659329

Team

Dr. Weijie Zhang

Doctoral Researcher

Deep Prakash Sarkar

Doctoral Researcher

Xiuzhi Chen

Doctoral Researcher
C3.009b

Sinikka Jasmin Paulus

Doctoral Researcher
+49 3641 57-6232
University of Freiburg - Herderbau Room 03053

Associated and guest members

Luca Tuzzi

Doctoral Researcher
C1.024

Jakob Lambert-Hartmann

Bachelor Student
C1.024

Kai-Hendrik Cohrs

Doctoral Researcher

Projects

FLUXCOM
An initiative to upscale biosphere-atmosphere fluxes from FLUXNET sites to continental and global scales more

Publications

Journal Article (23)

1.
Journal Article
Jacob A. Nelson*, Sophia Walther*, Fabian Gans, Basil Kraft, Ulrich Weber, Kimberly Novick, Nina Buchmann, Mirco Migliavacca, Georg Wohlfahrt, Ladislav Šigut, Andreas Ibrom, Dario Papale, Mathias Göckede, Gregory Duveiller, Alexander Knohl, Lukas Hörtnagl, Russell L. Scott, Weijie Zhang, Zayd Mahmoud Hamdi, Markus Reichstein, Sergio Aranda-Barranco, Jonas Ardö, Maarten Op de Beeck, Dave Billdesbach, David Bowling, Rosvel Bracho, Christian Brümmer, Gustau Camps-Valls, Shiping Chen, Jamie Rose Cleverly, Ankur Desai, Gang Dong, Tarek S. El-Madany, Eugenie Susanne Euskirchen, Iris Feigenwinter, Marta Galvagno, Giacomo Gerosa, Bert Gielen, Ignacio Goded, Sarah Goslee, Christopher Michael Gough, Bernard Heinesch, Kazuhito Ichii, Marcin Antoni Jackowicz-Korczynski, Anne Klosterhalfen, Sara Knox, Hideki Kobayashi, Kukka-Maaria Kohonen, Mika Korkiakoski, Ivan Mammarella, Gharun Mana, Riccardo Marzuoli, Roser Matamala, Stefan Metzger, Leonardo Montagnani, Giacomo Nicolini, Thomas O'Halloran, Jean-Marc Ourcival, Matthias Peichl, Elise Pendall, Borja Ruiz Reverter, Marilyn Roland, Simone Sabbatini, Torsten Sachs, Marius Schmidt, Christopher R. Schwalm, Ankit Shekhar, Richard Silberstein, Maria Lucia Silveira, Donatella Spano, Torbern Tagesson, Gianluca Tramontana, Carlo Trotta, Fabio Turco, Timo Vesala, Caroline Vincke, Domenico Vitale, Enrique R. Vivoni, Yi Wang, William Woodgate, Enrico A. Yepez, Junhui Zhang, Donatella Zona, and Martin Jung, "X-BASE: the first terrestrial carbon and water flux products from an extended data-driven scaling framework, FLUXCOM-X," Biogeosciences 21 (22), 5079-5115 (2024).
2.
Journal Article
Matthias Mauder, Martin Jung, Paul Stoy, Jacob A. Nelson, and Luise Wanner, "Energy balance closure at FLUXNET sites revisited," Agricultural and Forest Meteorology 358, 110235 (2024).
3.
Journal Article
Koong Yi, Gabriel B. Senay, Joshua B. Fisher, Lixin Wang, Kosana Suvočarev, Housen Chu, Georgianne W. Moore, Kimberly A. Novick, Mallory L. Barnes, Trevor F. Keenan, Kanishka Mallick, Xiangzhong Luo, Justine E. C. Missik, Kyle B. Delwiche, Jacob A. Nelson, Stephen P. Good, Xiangming Xiao, Steven A. Kannenberg, Arman Ahmadi, Tianxin Wang, Gil Bohrer, Marcy E. Litvak, David E. Reed, A. Christopher Oishi, Margaret S. Torn, and Dennis Baldocchi, "Challenges and future directions in quantifying terrestrial evapotranspiration," Water Resources Research 60 (10), e2024WR037622 (2024).
4.
Journal Article
Martin Jung, Jacob A. Nelson, Mirco Migliavacca, Tarek S. El-Madany, Dario Papale, Markus Reichstein, Sophia Walther, and Thomas Wutzler, "Technical note: Flagging inconsistencies in flux tower data," Biogeosciences 21 (7), 1827-1846 (2024).
5.
Journal Article
Sinikka Paulus, René Orth, Sung-Ching Lee, Anke Hildebrandt, Martin Jung, Jacob A. Nelson, Tarek S. El-Madany, Arnaud Carrara, Gerardo Moreno, Matthias Mauder, Jannis Groh, Alexander Graf, Markus Reichstein, and Mirco Migliavacca, "Interpretability of negative latent heat fluxes from eddy covariance measurements in dry conditions," Biogeosciences 21 (8), 2051-2085 (2024).
6.
Journal Article
Weijie Zhang, Jacob A. Nelson, Diego G. Miralles, Matthias Mauder, Mirco Migliavacca, Rafael Poyatos, Markus Reichstein, and Martin Jung, "A new post-hoc method to reduce the energy imbalance in eddy covariance measurements," Geophysical Research Letters 51 (2), e2023GL107084 (2024).
7.
Journal Article
Annu Panwar, Mirco Migliavacca, Jacob A. Nelson, José Cortés, Ana Bastos, Matthias Forkel , and Alexander Winkler, "Methodological challenges and new perspectives of shifting vegetation phenology in eddy covariance data," Scientific Reports 13, 13885 (2023).
8.
Journal Article
Ulisse Gomarasca, M. Migliavacca, Jens Kattge, Jacob A. Nelson, Ü. Niinemets, Christian Wirth, A. Cescatti, M. Bahn, Richard Nair, A. Acosta, A. Arain, M. Beloiu, T. Black, H. H. Bruun, F. Bucher, N. Buchmann, A. Carrara, C. Byun, A. Conte, A. da Silva, Gregory Duveiller, S. Fares, A. Ibrom, A. Knohl, B. Komac, J. Limousin, C. Lusk, M. Mahecha, David Martini, V. Minden, L. Montagnani, A. Mori, Y. Onoda, J. Penuelas, O. Perez-Priego, P. Poschlod, T. Powell, P. Reich, L. Šigut, P. van Bodegom, Sophia Walther, G. Wohlfahrt, I. Wright, and Markus Reichstein, "Leaf-level coordination principles propagate to the ecosystem scale," Nature Communications 14, 3948 (2023).
9.
Journal Article
Weijie Zhang, Martin Jung, Mirco Migliavacca, Rafael Poyatos, Diego G. Miralles, Tarek S. El-Madany, Marta Galvagno, Arnaud Carrara, Nicola Arriga, Andreas Ibrom, Ivan Mammarella, Dario Papale, Jamie R. Cleverly, Michael Liddell, Georg Wohlfahrt, Christian Markwitz, Matthias Mauder, Eugenie Paul-Limoges, Marius Schmidt, Sebastian Wolf, Christian Brümmer, M. Altaf Arain, Silvano Fares, Tomomichi Kato, Jonas Ardö, Walter Oechel, Chad Hanson, Mika Korkiakoski, Sébastien Biraud, Rainer Steinbrecher, Dave Billesbach, Leonardo Montagnani, William Woodgate, Changliang Shao, Nuno Carvalhais, Markus Reichstein, and Jacob A. Nelson, "The effect of relative humidity on eddy covariance latent heat flux measurements and its implication for partitioning into transpiration and evaporation," Agricultural and Forest Meteorology 330, 109305 (2023).
10.
Journal Article
Xin Yu, René Orth, Markus Reichstein, Michael Bahn, Anne Klosterhalfen, Alexander Knohl, Franziska Koebsch, Mirco Migliavacca, Martina Mund, Jacob A. Nelson, Benjamin D. Stocker, Sophia Walther, and Ana Bastos, "Contrasting drought legacy effects on gross primary productivity in a mixed versus pure beech forest," Biogeosciences 19 (17), 4315-4329 (2022).

 

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