Max Planck Gesellschaft

Research group: Global Diagnostic Modelling

Mission | Team | Projects | Publications | Tools

Mission

We produce and analyse global observation-based products of carbon and water fluxes using machine learning methods that integrate in situ measurements and satellite information to extrapolate local measurements to continental and global scales. The FLUXCOM initiative has recently been generating a large ensemble of such products for the scientific community. With these products we have been contributing to European projects aiming at synthesizing biogenic and anthropogenic carbon fluxes by integrating top-down atmospheric inversions and bottom-up land flux estimates. The GDM group focusses increasingly on global ecohydrological analysis to better understand carbon-water cycle interactions. We aim at synergistically combining global carbon and water cycle data streams. We develop novel ecohydrological data products based on dense time series of geostationary satellites and by partitioning measured evapotranspiration at FLUXNET sites into transpiration and evaporation.


Team

Name Position E-mail Phone Room
Martin Jung Group leader mjung ...6261 C1.012
Sujan Koirala Scientist (with MDI) skoirala ...6214 C3.015
Basil Kraft PhD student bkraft ...6296 C3.013
Çağlar Küçük PhD student (with MDI) ckucuk ...6214 C2.004
Hoontaek Lee PhD student (with MDI) hlee ...6269 C2.008b
Jacob A. Nelson PhD student (with MDI) jnelson ...6207 C2.004
Tina Trautmann PhD Student ttraut ...6227 C1.014
Sophia Walther Postdoc swalth ...6235 C3.013
Ulrich Weber GIS-Specialist (with BGI) uweber ...6285 C1.012
Weijie Zhang PhD Student wzhang ...6269 C2.008b

Current Projects

Completed Projects


Key papers

Jung, M., Schwalm, C., Migliavacca, M., Walther, S., Camps-Valls, G., Koirala, S., Anthoni, P., Besnard, S., Bodesheim, P., Carvalhais, N., Chevallier, F., Gans, F., Goll, D. S., Haverd, V., Koehler, P., Ichii, K., Jain, A. K., Liu, J., Lombardozzi, D., Nabel, J. E. M. S., Nelson, J. A., O’Sullivan, M., Pallandt, M., Papale, D., Peters, W., Pongratz, J., Rödenbeck, C., Sitch, S., Tramontana, G., Walker, A., Weber, U., Reichstein, M. (2020). Scaling carbon fluxes from eddy covariance sites to globe: synthesis and evaluation of the FLUXCOM approach. Biogeosciences, 17(5), 1343-1365. doi:10.5194/bg-17-1343-2020.
Nelson, J. A., Pérez-Priego, O., Zhou, S., Poyatos, R., Zhang, Y., Blanken, P. D., Gimeno, T. E., Wohlfahrt, G., Desai, A. R., Gioli, B., Limousin, J., Bonal, D., Paul-Limoges, E., Scott, R. L., Varlagin, A., Fuchs, K., Montagnani, L., Wolf, S., Delpierre, N., Berveiller, D., Gharun, M., Marchesini, L. B., Gianelle, D., Šigut, L., Mammarella, I., Siebicke, L., Black, T. A., Knohl, A., Hörtnagl, L., Magliulo, V., Besnard, S., Weber, U., Carvalhais, N., Migliavacca, M., Reichstein, M., Jung, M. (2020). Ecosystem transpiration and evaporation: Insights from three water flux partitioning methods across FLUXNET sites. Global Change Biology, 26(12), 6916-6930. doi:10.1111/gcb.15314.
Jung, M., Koirala, S., Weber, U., Ichii, K., Gans, F., Camps-Valls, G., Papale, D., Schwalm, C., Tramontana, G., Reichstein, M. (2019). The FLUXCOM ensemble of global land-atmosphere energy fluxes. Scientific Data, 6: 74. doi:10.1038/s41597-019-0076-8.
Walther, S., Duveiller, G., Jung, M., Guanter, L., Cescatti, A., Camps-Valls, G. (2019). Satellite observations of the contrasting response of trees and grasses to variations in water availability. Geophysical Research Letters, 46(3), 1429-1440. doi:10.1029/2018GL080535.
Jung, M., Reichstein, M., Schwalm, C. R., Huntingford, C., Sitch, S., Ahlström, A., Arneth, A., Camps-Valls, G., Ciais, P., Friedlingstein, P., Gans, F., Ichii, K., Jain, A. K., Kato, E., Papale, D., Poulter, B., Raduly, B., Rödenbeck, C., Tramontana, G., Viovy, N., Wang, Y.-P., Weber, U., Zaehle, S., Zeng, N. (2017). Compensatory water effects link yearly global land CO2 sink changes to temperature. Nature, 541(7638), 516-520. doi:10.1038/nature20780.

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