Publications

Journal Publications

2026

• Lee, H.; Cadman, F. A.; Dumberger, S.; Frey, J.; Soltani, S.; Kattenborn, T.; Haberstroh, S.; Werner, C.; Kreuzwieser, J. (2026) Unexpectedly high aldehyde emissions from stems of six major European tree species. Agric. For. Meteorol., 385, 111193, https://doi.org/10.1016/j.agrformet.2026.111193
• Zakariapour, M.; Stock, C.; Werner, C.; Reiterer, A. (2026) Design and characterization of a compact and lightweight dual-wavelength chlorophyll fluorescence light detection and ranging sensor (ChloroFLiDAR) for remote plant stress assessment. Opt. Express 34, 12865-12883, https://doi.org/10.1364/OE.585674
• Meischner, M.; Dumberger, S.; Daber, L.E.; Haberstroh, S.; Kreuzwieser, J.; Schnitzler, J.; Werner, C. (2026) Jasmonic acid and heat stress induce high volatile organic compound emissions in Picea abies from needles, but not from roots. Tree Physiology, 46, 15-30. https://doi.org/10.1093/treephys/tpae059
• Klueppel, J.; Jurczak, M.; Wallrabe, U.; Comella, L.M. (2026) Calibration of multi-spectral photosynthetically active radiation sensor, Measurement, 270, 120734, https://doi.org/10.1016/j.measurement.2026.120734
• Werner, C.; Bahn, M.; Grams, T.E.E.; Grossiord, C. (2026). Impacts of droughts and drought legacies on plants and Ecosystems. Plant Biol. J., https://doi.org/10.1111/plb.70207
• Magh, R.-K.; Paligi, S.S.; Papastefanou, P.; Klosterhalfen, A.; Ammer, C.; Beyer, M.; Dubbert, M.; Haberstroh, S.; Rohde, C.; Werner, C.; Hildebrandt, A. (2026) Continuous Stem Water Potential Measurements With Microtensiometry Reveal Species Identity and Soil Matric Potential Control of Stem Water Potential in Temperate Forests. Ecohydrology 19, no. 3: e70197. https://doi.org/10.1002/eco.70197
• Moutahir, H.; Sulzer, M.; Kiese, R.; Christen, A.; Weiler, M.; Dedden, L.; Brzozon, J.; Labenski, P.; Khanal, P.; Sigut, L.; Grote, R. (2026) Matching scales of eddy covariance measurements and process-based modeling – assessing spatiotemporal dynamics of carbon and water fluxes in a mixed forest in Southern Germany. Biogeosciences, 23, 1719–1738, https://doi.org/10.5194/bg-23-1719-2026
• Haidarian, S.; Wallrabe, U. (2026) High aperture piezo-driven liquid tunable lens with real-time feedback control. Appl. Opt. 65, 1753-1760. https://doi.org/10.1364/AO.584047
• Sulzer, M.; Haberstroh, S.; Werner, C.; Christen, A. (2026) Carbon dioxide fluxes of two differently managed sites in a former Scots pine plantation in response to widespread drought mortality. http://dx.doi.org/10.2139/ssrn.6141034 preprint
• Dumberger, S.; Frey, Y.; Stock, C.; Wehlings-Schmitz, S.; Wagner, D.; Kühnhammer, K.; Dedden, L.; Weiler,M.; Sulzer, M.; Christen, A.; Kreuzwieser, J.; Wallrabe, U.; Werner, C.; Haberstroh, S. (2026) Seasonal dynamics and sun/shade heterogeneity of leaf gas exchange and VOC emissions inside a tall temperate forest canopy. https://doi.org/10.64898/2026.01.23.701264 preprint
• Brzozon, J.; Schwarzkopf, P.; Kattenborn, T.; Frey, J.; Lang, F.; Schack-Kirchner, H. (2026) Controls of spatio-temporal patterns of soil respiration in a mixed forest. https://doi.org/10.64898/2026.01.21.700858 preprint
• Baghbani, S.; Akkoc, U.; Stock, C.; Werner, C.; Rupitsch, S.J. (2026) Development of a Low-Cost, Autonomous Pulse Amplitude Modulated (PAM) Chlorophyll Fluorometer for In-Situ Monitoring of Photosystem II Efficiency. https://doi.org/10.48550/arXiv.2511.13580 preprint

2025

• Tesch, J.; Kühnhammer, K.; Wagner, D.; Christen, A.; Dormann, C.; Frey, J.; Grote, R.; Kattenborn, T.; Sulzer, M.; Wallrabe, U.; Weiler, M.; Werner, C.; Baghbani, S.; Brzozon, J.; Comella, L.M.; Dedden, L.; Dumberger, S.; Frey, Y.; Gassilloud, M.; Gerach, T.; Göritz, A.; Haberstroh, S.; Klüppel, J.; Kremer, L.; Kreuzwieser, J.; Lee, H.; Maack, J.; Müller, J.; Prucker, O.; Rajak, S.K.; Rühe, J.; Rupitsch, S.J.; Schack-Kirchner, H.; Scharinger, C.; Shinde, U.; Steinmann, T.; Stock, C.; Strack, J. (2025) The ECOSENSE forest: A distributed sensor and data management system for real-time monitoring of ecosystem processes and stresses. https://doi.org/10.5194/egusphere-2025-4979 preprint
• Shinde, U.; Subbulakshmi, V.; Woias, P. (2025) A Symmetric Boost Converter with 6 mV Input Voltage and 66% Peak Efficiency for Thermoelectric Energy Harvesting. https://doi.org/10.22541/au.176376438.85223842/v1 preprint (accepted in Wiley Energy Technology)
• Lee H.; Stippich T.; Petersen J.; Meine D.; Sulzer M.; Kattenborn T.; Dedden L.; Werner C.; Kreuzwieser J. (2025) Strong toluene and p-cymene emission from anoxic hotspots of a temperate mixed-forest soil. https://doi.org/10.5194/egusphere-2025-5426 preprint
• Dedden, L.; Weiler, M. (2025) Technical note: An innovative monitoring approach to measure spatio-temporal throughfall patterns in forests. https://doi.org/10.5194/egusphere-2025-4285 preprint
• Stock, C.; Dumberger, S.; Kühnhammer, K.; Sulzer, M.; Christen, C.; Haberstroh, S.; Werner, C. (2025) Continuous chlorophyll fluorescence measurements trace sudden cold spell effects on photosynthetic efficiency in a temperate mixed forest. https://doi.org/10.1101/2025.11.18.688898 preprint
• Meischner M.; Haberstroh S.; Kreuzwieser J.; Schnitzler J.-P.; Werner C. (2025) Eavesdropping roots: Fagus sylvatica detects belowground stress signals from conspecific and heterospecific (Picea abies) neighbors, triggering increased shoot VOC emissions. https://doi.org/10.1101/2025.10.30.685342 preprint
• Goldschmidt, J.; Brugger, N.; Nitzsche, P.; Nitzsche, L.; Dinc, C.; Weber, C.; Breunig, I.; Schmitt, K.; Kuehnemann, F.; Wöllenstein, J. (2025) Dual comb spectrometer for the determination of stable isotopic ratios of atmospheric CO2 with sub-permille precision at atmospheric pressure. Anal. Chem., 97 (51), 28254-28261. https://doi.org/10.1021/acs.analchem.5c04845
• Shinde, U.G.; Karunakaran, Y.S.; Gerach, T.; Gauger, F.; Krämer, J.; Trefzer, A.; Woias, P.; Kundu, S. (2025) An energy-autonomous Wireless Sensor Network for Urban Soil Monitoring. https://doi.org/10.36227/techrxiv.176539507.73766494/v1 preprint
• Shinde, U.G.; Luhmann, T.; Klueppel, J.; Steinmann, T.; Comella, L.M.; Yu, W.; Rupitsch, S.J.; Woias, P. (2025) Task-Specific Energy Profiling for Microcontroller Selection in Energy-Autonomous Wireless Sensor Nodes. IEEE Sensors Journal, vol. 25, no. 21, pp. 40609-40622. https://doi.org/10.1109/JSEN.2025.3609827
• Klueppel, J.; Jurczak, M.; Wallrabe, U.; Comella., L.M. (2025) Calibration of Multi-Spectral Photosynthetically Active Radiation Sensor. https://dx.doi.org/10.2139/ssrn.5711142 preprint
• Seeger, S.; Weiler, M.; Maier, M. (2025) Sources of Uncertainty in the Heat Ratio Method for Estimating Sap Flux. https://doi.org/10.6094/UNIFR/273734 preprint
• Zakariapour, M.H.; Stock, C.; Werner, C.; Reiterer, A. (2025) A Design and Characterization of a Novel Dual-Wavelength Chlorophyll Fluorescence Light Detection and Ranging Sensor (ChloroFLiDAR) for Remote Plant Stress Assessment. https://doi.org/10.1364/opticaopen.30661190 preprint
• Schnell S.; Hild C.; Kreuzwieser J.; Schmitt K.; Hugger S.; Wöllenstein J. (2025) Photoacoustic detection of plant emitted isoprene using a quantum cascade laser with external cavity, resolving the ν27 and ν28 bands. https://dx.doi.org/10.2139/ssrn.5778512 preprint
• Wadhwa, S.; Wang, N.; Reichert, K.; Butzer, M.; Nassar, O.; Jouda, M.; Korvink, J. G.; Gengenbach, U.; Mager, D.; Ungerer, M. (2025) Automated manufacturing process for sustainable prototyping of nuclear magnetic resonance transceivers. Magnetic Resonance, 6(2), 199–210. https://doi.org/10.5194/mr-6-199-2025
• Lee, C.H.; Elitaş, M.; Korvink, J.G.; Jouda, M. (2025) Sample-accessible multi-resonance X-band EPR triple ring resonator. J. Magn. Reson., 381, 107988. https://doi.org/10.1016/j.jmr.2025.107988
• Wesselkamp, M.; Moser, N.; Kalweit, M.; Boedecker, J.; Dormann, C.F. (2025) The ecological forecast limit revisited: Potential, absolute and relative system predictability. Methods Ecol. Evol., 16(7), 1521–1541. https://doi.org/10.1111/2041-210X.70049
• Yang, J.; Cheng, Y.; Lehmkuhl, S.; Brandner, J. J.; Jouda, M.; Korvink, J. G. (2025) Accelerating NMR spectroscopy via parallel SABRE in a continuous-flow system. Rev. Sci. Instrum. 95(10), 105203. https://doi.org/10.1063/5.0285277
• Kükenbrink, D.; Gassilloud, M.; Bredec, B.; Bornand, A.; Calders, K.; Cherlet, W.; Eichhorn, M.P.; Frey, J.; Gretlera, C.M.; Höfle, B.; Kattenborn, T.; Klinger, L.; Mokros, M.; Pitkänen, T.P.; Saarinen, N.; Terryn, L.; Weiser, H.; Göritz, A. (2025) Insights from the Unseen – Occlusion in Forest Laser Scanning. https://eartharxiv.org/repository/view/10336/ preprint
• Plein, M.; Dormann, C. F.; Christen, A. (2025) How many stations are sufficient? Exploring the effect of urban weather station density reduction on imputation accuracy of air temperature and humidity. https://arxiv.org/abs/2511.11652v1 preprint
• Mosig, C.; Vajna-Jehle, J.; Mahecha, M. D.; Cheng, Y.; Hartmann, H.; Montero, D.; Junttila, S.; Horion, S.; Beloiu Schwenke, M.; Adu-Bredu, S.; Al-Halbouni, D.; Allen, M.; Altman, J.; Angiolini, C.; Astrup, R.; Barrasso, C.; Bartholomeus, H.; Brede, B.; Buras, A.; Carrieri, E.; … Kattenborn, T. (2025) deadtrees.earth – An open-access and interactive database for centimeter-scale aerial imagery to uncover global tree mortality dynamics. Remote Sens. Environ., 332, 115027. https://doi.org/10.1016/S0034-4257(25)00431-6
• Möhring, J.; Kattenborn, T.; Mahecha, M. D.; Cheng, Y.; Beloiu Schwenke, M.; Cloutier, M.; Denter, M.; Frey, J.; Gassilloud, M.; Göritz, A.; Hempel, J.; Horion, S.; Jucker, T.; Junttila, S.; Khatri-Chhetri, P.; Korznikov, K.; Kruse, S.; Laliberté, E.; Maroschek, M.; Neumeier, P.; Pérez-Priego, O.; Potts, A.; Schiefer, F.; Seidl, R.; Vajna-Jehle, J.; Zielewska-Büttner, K.; Mosig, C. (2025) Global, multi-scale standing deadwood segmentation in centimeter-scale aerial images. ISPRS Open J. Photogramm. Remote Sens., 18, 100104. https://doi.org/10.1016/j.ophoto.2025.100104
• Umlauft, J.; Mora, K.; Limberger, F.; Gerberding, K.; Wirth, C.; Werner, C.; Kattenborn, T. (2025) The Seismic Fingerprint of Tree Sway. Methods Ecol Evol, 00, 1–15. https://doi.org/10.1111/2041-210X.70173
• Kremer, L.; Pisek, J.; Richter, R.; Frey, J.; Lusk, D.; Werner, C. et al. (2025) AngleCam V2: Predicting leaf inclination angles across taxa from daytime and nighttime photos. https://doi.org/10.1101/2025.09.17.676742 preprint
• Kreuzwieser, J.; Lee, H.; Köhler, A.; Christen, A.; Sulzer, M.; Schack-Kirchner, H. et al. (2025) Biotic and abiotic factors controlling terpenoid exchange from soil of a mixed temperate forest ecosystem. Soil Biol. Biochem. 211, S.109991, https//doi.org/10.1016/j.soilbio.2025.109991
• Frey, Y.; Simon, L.; Dumberger, S.; Haberstroh, S.; Werner, C.; Wallrabe, U. (2025) Sensor evaluation for leaf temperature within a minimally invasive leaf cuvette. Sens. Actuators, A, Phys. 396, 117045, https://doi.org/10.1016/j.sna.2025.117045
• Frey, Y.; Dumberger, S.; Haberstroh, S.; Werner, C.; Wallrabe, U. (2025) The ECOvette: Unveiling Plant Dynamics Through Direct Leaf Emission Analysis. ACS EST Engg., https://doi.org/10.1021/acsestengg.5c00462
• Keller, S.: Kinzinger, L.; Mach, J.; Kühnhammer, K.; Weiler, M.; Orlowski, N.; Werner, C.; Haberstroh, S. (2025) Water stable isotopes reveal the ecohydrological importance of stemflow for mature and juvenile European beech. bioRxiv, https://doi.org/10.1101/2025.10.01.679712 preprint
• Magh, R.-K.; Paligi, S.S.; Papastefanou, P.; Klosterhalfen, A.; Ammer, C.; Beyer, M.; Dubbert, M.; Haberstroh, S.; Rhode, C.; Werner, C.; Hildebrandt, A. (2025) Microtensiometer-based stem water potential measurements reveal species and soil controls in temperate forests. Authorea, https://doi.org/10.22541/au.174616928.83972901/v1 preprint
• Lee, H.; Katlewski, S.; Weber, P.C.; Werner, C.; Kreuzwieser, J. (2025) Soil Terpenoid Storage and Emissions Are Shaped by Litter Chemistry and Soil Depth. https://doi.org/10.21203/rs.3.rs-6747431/v1 preprint
• Werner, C.; Bahn, M.; Grams, T.E.E.; Grossiord, C.; Haberstroh, S.; Lenczner, G.; Tuia, D.; Vallicrosa, H. (2025) Impact of emerging compound droughts on forests: a water supply and demand perspective. Plant Biology, https://doi.org/10.1111/plb.70080
• Meischner, M.; Haberstroh, S.; Kreuzwieser, J.; Weber, B.; Ghirardo, A.; Schnitzler, J.-P.; Werner, C. (2025) Localized response of de novo terpenoid emissions through the jasmonate signaling cascade in two main European tree species. Physiologia Plantarum, 177, e70432, https://doi.org/10.1111/ppl.70432
• Heinrich S.; Xin Y.; Limousin, J.-M.; Werner, C.; Bastos. A.; Hoek van Dijke, A.; Walther, S.; Kroll, J.; Orth, R. (2025) Full recovery of physiological functioning in a Mediterranean forest after severe drought. Plant Biology, https://doi.org/10.1111/plb.70082
• Kinzinger, L.; Haberstroh, S.; Mach, J.; Weiler, M.; Orlowksi, N.; Werner, C. (2025) Continuous In-Situ Water Stable Isotopes Reveal Rapid Changes in Root Water Uptake by Fagus sylvatica During Severe Drought. Plant, Cell & Environment, https://doi.org/10.1111/pce.70055
• Haberstroh, S.; Christen, A., Sulzer, M.; Scarpa, F.; Werner, C. (2025) Recurrent hot droughts cause persistent legacy effects in a temperate Scots Pine forest. Plant Biology, https://doi.org/10.1111/plb.70066
• Dumberger, S.; Kinzinger, L.; Weiler, M.; Werner, C.; Haberstroh, S. (2025) Dynamic Shifts in Radial Sap Flow of Two Temperate Tree Species in Response to the Dry Summer 2022. Ecohydrology, 18:e70054. https://doi.org/10.1002/eco.70054
• Daber, E.L.; Kreuzwieser, J.; Meischner, M., Williams, J.; Werner, C. (2025) Chiral monoterpene dynamics of shoots and roots of Norway spruce in response to drought. preprint https://doi.org/10.1101/2025.05.02.651829
• Daber, E.L.; Nolte, P.; Kreuzwieser, J.; Meischner, M., Williams, J.; Werner, C. (2025) Position-Specific Isotope Labelling Gives New Insights into Chiral Monoterpene Synthesis of Norway Spruce (Picea Abies L.). Environ. Exp. Bot., https://doi.org/10.1016/j.envexpbot.2025.106238
• Lotz, S.; Kattenborn, T.; Frey, J.; Soltani, S.; Göritz, A.; Jakszat, T.; Katal, N. (2025) Litter vs. Lens: Evaluating LAI from Litter Traps and Hemispherical Photos Across View Zenith Angels and Leaf Fall Phases. under review, https://doi.org/10.5194/egusphere-2025-1496
• Gassilloud, M.; Koch, B.; Göritz, A. (2025) Occlusion mapping reveals the impact of flight and sensing parameters on vertical forest structure exploration with cost-effective UAV based laser scanning. Int. J. Appl. Earth Obs. Geoinf. https://doi.org/10.1016/j.jag.2025.104493
• Khosroshahi, Z.; Karimzadeh, F.; Enayati, M.H.; Gowda, H.G.B.; Wallrabe, U. (2025) Humidity Resistant Triboelectric Nanogenerators for Wind Energy Harvesting: A Review. Renew. Sustain. Energy Rev. 216, 115660 (16 pp). https://doi.org/10.1016/j.rser.2025.115650
• Haidarian, S.; Wallrabe, U. (2025) A miniature reflective varifocal vector scanner. Opt. Express 33, 8150-8166. https://doi.org/10.1364/OE.550521
• Haberstroh, S.; Scarpa, F.; Seeger, S.; Christen, A.; Werner, C. (2025) Continuous Stem Water Potential Measurements of a Diffuse-Porous Tree Species Offer New Insights Into Tree Water Relations. Ecohydrology 18, e2761. https://doi.org/10.1002/eco.2761
• Nitzsche, P.; Dinc, C.; Goldschmidt, J.; Nitzsche, L.; Wöllenstein, J.; Schmitt, K. (2024) Comparison of a Quantum Cascade Laser and an Interband Cascade Laser for the Detection of Stable Carbon Dioxide Isotopes Using Tunable Laser Absorption Spectroscopy. Appl. Spectrosc. https://doi.org/10.1177/00037028241291157

2024

• Wesselkamp, M.; Moser, N.; Kalweit, M.; Boedecker, J.; Dormann, C.F. (2024) Process-Informed Neural Networks: A Hybrid Modelling Approach to Improve Predictive Performance and Inference of Neural Networks in Ecology and Beyond. Ecol. Lett. 27, e70012. https://doi.org/10.1111/ele.70012
• Vaezi, M.R.; Korvink, J.G.; Jouda, M. (2024) Simultaneous multinuclear MRI via a single RF channel. J Magn Reson 368, 107782. https://doi.org/10.1016/j.jmr.2024.107782
• Esmaeilizadshali, H.; Lehmkuhl, S.; Korvink, J.; Jouda, M. (2024) Localized Shims Enable Low-Field Simultaneous Multinuclear NMR Spectroscopy. Anal. Chem. https://doi.org/10.1021/acs.analchem.4c02965
• Lee, C.H.; Korvink, J.G., Jouda, M. (2024) Frequency multiplexing enables parallel multi-sample EPR. Sci Rep 14, 11815. https://doi.org/10.1038/s41598-024-62564-4
• Kattenborn, T.; Wieneke, S.; Montero, D. et al. (2024) Temporal dynamics in vertical leaf angles can confound vegetation indices widely used in Earth observations. Commun Earth Environ 5, 550. https://doi.org/10.1038/s43247-024-01712-0
• Werner, C.; Wallrabe, U. et al. (2024). ECOSENSE – Multi-scale quantification and modelling of spatio-temporal dynamics of ecosystem processes by smart autonomous sensor networks. Research Ideas and Outcomes, 10: e129357, https://doi.org/10.3897/rio.10.e129357
• Strahl, T.; Bergau, M.; Maier, E.; Herbst, J.; Rademacher, S.; Wöllenstein, J.; Schmitt, K. (2024). Experimental Study to Visualize a Methane Leak of 0.25 mL/min by Direct Absorption Spectroscopy and Mid-Infrared Imaging. Applied Sciences, 14, 5988, https://doi.org/10.3390/app14145988
• Larochelle, J.; Klueppel, J.; McCormick, R.; Biegert, K.; Comella, L.M. (2024). A Low-Power Optical Sensor With Dynamically Adjustable Field of View for Photosynthetically Active Radiation (PAR) Measurement. IEEE Sensors Journal, vol. 24, no. 6, pp. 7711-7728, https://doi.org/10.1109/JSEN.2024.3361086

2023

• Frey, J.; Holter, P.; Kinzinger, L.; Schindler, Z.; Morhart, C.; Kolbe, S.; Werner, C.; Seifert, T. (2023). Detailed mapping of below canopy surface temperatures in forests reveals new perspectives on microclimatic processes. Agricultural and Forest Meteorology, 341, 109656. DOI: 10.1016/j.agrformet.2023.109656

2022

• Comella, L.M.; Bregler, F.; Hager, E.; Anys, M.; Klueppel, J.; Rupitsch, S.J.;Werner, C.;Woias, P. (2022). Estimation of Leaf Area Index with a Multi-Channel Spectral Micro-Sensor for Wireless Sensing Networks. Sensors 2022, 22, 5048. https://doi.org/10.3390/s22135048

2021

• Reimer, J.; Stöcklin, S.; Comella, L. M.; Woias, P.; Werner, C.; Reindl, L. and Rupitsch, S. J. (2021). An autonomous and wireless pulse-amplitude modulated chlorophyll fluorometer. tm – Technisches Messen, vol. 88, no. 12, pp. 773-784. https://doi.org/10.1515/teme-2021-0104

Conference Contributions

Conference contributions with extended proceedings

• Klueppel, J.; Stock, C.; Werner, C.; Comella, L.M. (2025) Calibration Method for Multi-Spectral Par Sensor. 2025 IEEE SENSORS, Vancouver, BC, Canada, pp. 1-4, https://doi.org/10.1109/SENSORS59705.2025.11330797
• Gerach, T.; Kundu, S.; Brzozon, J.; Schack-Kirchner, H.; Woias, P. (2025) Near-Surface Geothermal Energy Harvesting: A Study on Available Energy Budgets and Temperature Gradients. 2025 IEEE 24th International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices (PowerMEMS), Albuquerque, NM, USA, pp. 33-38, https://doi.org/10.1109/PowerMEMS66515.2025.11358600
• Karunakaran, Y. S.; Shinde, U.; Woias, P. (2025) Efficient Wireless Data Transfer Strategies for Energy-Autonomous Environmental Sensor Probes. 2025 IEEE 24th International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices (PowerMEMS) (2025): 119-122, https://doi.org/10.1109/PowerMEMS66515.2025.11358623 (BEST PAPER AWARD)
• Wallrabe, U., Baghbani, S.,Comella, L., Frey, Y., Kapp,J., Klüppel, J., Prucker,O., Rajak, S.K., Rühe, J., Rupitsch, S., Schmitt, K., Shinde, U., Steinmann, T., Wöllenstein, J., Woias, P., Werner, C. (2025) ECOSENSE – Smart sensors alone in the forest. 23rd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers), pp. 656-661. https://doi.org/10.1109/Transducers61432.2025.11111503
• Steinmann, T.; Riedel, F.; Schaechtle, T.; Rupitsch, S.J. (2025) Development of an Ultra-Low-Power Bidirectional LoRa Backscatter Tag. IEEE International Instrumentation and Measurement Technology Conference (I2MTC), Chemnitz, Germany, pp. 1-6. https://doi.org/10.1109/I2MTC62753.2025.11078945
• Vaezi Kahki, M.R.; Korvink, J.G.; Jouda, M. Simultaneous Multinuclear MRI Via a Single Rf Channel. EUROMAR (20th European Magnetic Resonance Congress), Bilbao, Spain, 30.06.-04.07.2024. https://dx.doi.org/10.2139/ssrn.4826545
• Shinde, U.G.; Luhmann, T.; Comella, L.M.; Woias, P. Comparative Study of Ultra-Low-Power Microcontrollers in Energy-Autonomous Environmental Wireless Sensor Nodes (WSN). IEEE 22nd International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS), Abu Dhabi, United Arab Emirates, 11.-14.12.2023, pp. 72-75, https://doi.org/10.1109/PowerMEMS59329.2023.10417408
• Larochelle, J.; Klueppel, J.; Comella, L.M. A Low Power Optical Sensing System for Leaf Area Index (LAI) Measurement with Dynamically Adjustable Field of View. IEEE SENSORS, Vienna, Austria, 29.10.-01.11.2023, https://doi.org/10.1109/SENSORS56945.2023.10325008
• Frey, Y.; Haberstroh, S.; Meischner, M.; Werner, C.; Wallrabe, U. A miniaturized leaf cuvette for volatile organic compound measurement on broad leaves. Transducers 2023, Kyoto, Japan, pp. 1555-1558, 25.-29.06.2023

Talks

• Haberstroh, S.; Dumberger, S.; Stock, C.; Wehlings-Schmitz, S.; Kühnhammer, K.; Wagner, D.; Kreuzwieser, J.; Sulzer, M.; Christen, A.; Frey, Y.; Wallrabe, U.; Werner, C.  (2025) High resolution dynamics in leaf-level carbon fluxes assessed with a novel distributed sensing network in a mature Fagus sylvatica and Pseudotsuga menziesii forest. 54^th annual meeting of the Ecological Society (GfÖ) 2025, Würzburg, Germany, 01.-05.09.2025.
• Goldschmidt J.; Brugger N.; Wöllenstein J. (2025) An Electro-optic Dual Comb Spectrometer for the Measurement of δ13C in Atmospheric CO2. CLEO 2025, https://doi.org/10.1364/CLEO_AT.2025.AA130_3
• Sulzer, M.; Haberstroh, S.; Plapp, T.; Seifert, T.; Schindler, D.; Werner, C.; Christen, A. (2025) Assessing carbon fluxes following non-invasive and clear-cut management responses to widespread drought mortality of a Scots Pine plantation. EGU25 (European Geoscience Union), Vienna, Austria, 27.04.-02.05.2025, https://doi.org/10.5194/egusphere-egu25-17497
• Magh, R.; Paligi, S.S.; Papastefanou, P.; Klosterhalfen, A.; Rohde, C.; Dubbert, M.; Beyer, M.; Haberstroh, S.; Werner, C.; Pohl, F.; Hildebrandt, A. (2025) Continuous Observations Highlight Depth-Dependent Soil Matric Potential as Drivers of Stem Water Potential in Temperate Forests under non-drought conditions. EGU25 (European Geoscience Union), Vienna, Austria, 27.04.-02.05.2025, https://doi.org/10.5194/egusphere-egu25-8878
• Haberstroh, S.; Sulzer, M.; Scarpa, F.; Plapp, T.; Christen, A.; Werner, C. (2025) Persitent drought legacy effects in a Scots Pine forest after years of concurrent drought and heat. EGU25 (European Geoscience Union), Vienna, Austria, 27.04.-02.05.2025, https://doi.org/10.5194/egusphere-egu25-16453
• Wallrabe, U. (2025) Literally: Shedding Structured and Tunable Light into NMR Applications. ENC/ISMAR Joint Conference, April 6-10 2025, Asilomar, Ca. US
• Göritz, A. (2025) The ECOSENSE project and remote sensing/ChlF acitivities. 2. FLEX-Nutzer-Workshop, Bonn, 11.3.2025 (Invited Talk)
• Sulzer, M.; Brzozon, J.; Christen, A. et al. (2025) The ECOSENSE forest – enriching tower-based flux measurements of carbon and water exchange with novel distributed sensor networks. ARPHA Conference Abstracts 8: e149267. https://doi.org/10.3897/aca.8.e149267
• Stock, C.; Dumberger, S.; Frey, Y.; Wallrabe, U.; Haberstroh, S.; Werner, C. (2024) Physiological response of a mixed forest stand to stress conditions assessed by a novel cuvette system. 53. Jahrestagung der GfÖ, Freising, 9.-13.09.2024
• Haberstroh, S.; Scarpa, F.; Halupka, G.; Harnecker, L.; Seeger, S.; Plapp, T.; Seifert, T.; Christen, A.; Werner, C. (2024) Drought legacy effects on tree water and carbon fluxes in a temperate Scots Pine forest at its tipping point. 53. Jahrestagung der GfÖ, Freising, 9.-13.09.2024
• Christen, A.; Haberstroh, S.; Imbery, F.; Kahle, H.-P.; Kreuzwieser, J.; Plapp, T.; Schindler, D.; Scarpa, F.; Seifert, T.; Sulzer, M.; Werner, C. (2024) Feedback between climate, land-atmosphere fluxes and structure in a forest ecosystem severely damaged by recent hot-droughts. ICOS Science Conference, Versailles, France, 10.-12.09.2024. https://doi.org/10.6094/UNIFR/256883
• Baghbani, S.; Akkoc, U.; Schaechtle, T.; Steinmann, T.; Helmerich, J.; Rupitsch, S. J. (2024) Comparative analysis of PAM fluorometer detector circuits. 22nd GMA/ITG-Fachtagung Sensoren und Messsysteme (pp. 137–141). Nürnberg, Germany, 11.-12.06.2024, https://doi.org/10.5162/sensoren2024/B1.2
• Werner, C. Ecological Responses to Vapor Pressure Deficit, Heat, and Soil Moisture: A Species-Specific Perspective across Climatic Regions. Examples and new methodological approaches to assess ecosystem responses. EGU24 (European Geoscience Union) Keynote, Vienna, Austria, 14.-19.04.2024
• Moutahir, H.; Petrik, P.; Grote, R.; Kiese, R. Changes in land surface phenology and gas exchange of deciduous and coniferous forests in response to heat and drought stress. EGU24 (European Geoscience Union), Vienna, Austria, 14.-19.04.2024, https://doi.org/10.5194/egusphere-egu24-20048
• Christen, A.; Haberstroh, S.; Scarpa, F.; Kreuzwieser, J.; Plapp, T.; Schindler, D.; Seifert, T., Werner, C. Irreversible Änderungen im Kohlenstoff- und Wasserhaushalt eines Kiefernwaldes der Oberrheinebene als Folge wiederholter sommerlicher Dürren. 10. BIOMET-Tagung (Deutsche Meteorologische Gesellschaft), Offenbach, 19.-21.03.2024
• Klueppel, J.; Larochelle, J.; Comella, L.M. Ein optisches Messsystem mit dynamisch einstellbarem Sichtfeld zu Messung des Leaf Area Index. EASS Conference, Freiburg, 19.-20.03.2024
• Klueppel, J.; Woias, P.; Comella, L.M. (2023) Ein innovativer Sensor für die gleichzeitige Messung der photosynthetischen aktiven Strahlung (PAR) und des Blattflächenindex (LAI). microTec Südwest Clusterkonferenz, Freiburg, 15.-16.03.2023
• Wallrabe, U. (2023) Großprojekt ECOSENSE. microTec Südwest Clusterkonferenz, Freiburg, 15.-16.03.2023

Posters

• Haberstroh, S.; Stock, C.; Dumberger, S.; Meischner, M.; Lua-Mellmann, P.; Vogt, H.; Kühnhammer, K.; Kreuzwieser, J.; Werner, C. (2025) Impact of heat stress on carbon allocation and biogenic volatile organic compound emissions of Fagus sylvatica and Pseudotsuga menziesii. 54^th annual meeting of the Ecological Society (GfÖ) 2025, Würzburg, Germany, 01.-05.09.2025.
• Geuchen, F.; Kinzinger, L; Seeger, S.; Weiler, M.; Werner, C.; Haberstroh, S. (2025) Impact of drought timing and recurrence on water uptake depths and ecohydrological feedbacks of different temperate tree species. 54^th annual meeting of the Ecological Society (GfÖ) 2025, Würzburg, Germany, 01.-05.09.2025.
• Werner, C.; Haberstroh, S.; Wallrabe, U. and the ECOSENSE Team (2025) ECOSENSE: Assessment of spatiotemporal dynamics in ecosystem processes and fluxes by smart autonomous sensor networks. EGU25 (European Geoscience Union), Vienna, Austria, 27.04.-02.05.2025, https://doi.org/10.5194/egusphere-egu25-16670
• Gassilloud, M.; Dedden, L.; Koch, B.; Kattenborn, T.; Weiler, M.; Göritz, A. (2025) Elucidating spatio-temporal throughfall dynamics with ULS derived forest structure density metrics. EGU25 (European Geoscience Union), Vienna, Austria, 27.04.-02.05.2025, https://doi.org/10.5194/egusphere-egu25-19485
• Moutahir, H.; Labenski, P.; Imhoff, H.; Haas, E.; Kiese, R.; Grote, R. (2025) Variability and influences of carbon exchange processes in German Forests, EGU25 (European Geoscience Union), Vienna, Austria, 27.04.-02.05.2025, https://doi.org/10.5194/egusphere-egu25-12652
• Dumberger, S.; Stock, C.; Werner, C.; Haberstroh, S. (2025) Relations of continuous water potentials, tree water deficits and sap flow in four temperate tree species. 6th International Ylem Meeting, 18.-20.03.2025, Sevilla, Spain (Poster)
• Haidarian, S.; Wallrabe, U. (2025) A miniature dual-mode optomechanical device for integrated scanning and focusing. Proceedings Volume 13382, MOEMS and Miniaturized Systems XXIV; 1338211, OPTO 2025, San Francisco, California, US. https://doi.org/10.1117/12.3040813
• Gassiloud, M.; Haidarian, S.; Kattenborn, T.; Koch, B.; Reiterer, A.; Schmitt, A.; Wallrabe, U.; Zakaryapour, M.; Göritz, A. Assessing forest ecosystems with UAV based remote sensing – from laser scanning towards an active Chlorophyll fluorescence LiDAR. Workshop on UAV-based Remote Sensing Methods for Monitoring Vegetation, Köln, 30.09. – 1.10.2024
• Stock, C.; Dumberger, S.; Meischner, M.; Haberstroh, S.; Werner, C. (2024) Effects of intra- and interspecific competition between two temperate tree species on carbon assimilation rates and carbon allocation under heat stress. 53. Jahrestagung der GfÖ, Freising, 9.-13.09.2024
• Werner, C.; Wallrabe, U.; Haberstroh, S. (2024) The ECOSENSE project – Spatio-temporal dynamics of ecosystem processes assessed and modelled by smart autonomous sensor networks across scales. 53. Jahrestagung der GfÖ, Freising, 9.-13.09.2024
• Werner, C.; Frey, Y.; Dumberger, S.; Haberstroh, S.; Wallrabe, U. (2024) ECOSENSE: Quantifying spatio-temporal dynamics of ecosystem processes by smart autonomous sensor networks with automated leaf cuvettes tracing BVOC flux dynamics. Gordon Research Conference on Biogenic Hydrocarbons and the Atmosphere, Barcelona, Spain, 9.-14.06.2024
• Dedden, L. & Weiler, M. Forest Ecohydrological Sensor Network – Capturing spatio-temporal dynamics of hydrological fluxes and processes in a forest ecosystem. Wasser- und Stoffhaushalt von Wäldern unter Stress (Tagung der NW-FVA), Göttingen, 24.-26.04.2024
• Dumberger, S.; Kinzinger, L.; Haberstroh, S.; Werner, C. Dynamics in radial sap flow and stem water reserves under varying environmental conditions. EGU24 (European Geoscience Union), Vienna, Austria, 14.-19.04.2024, https://doi.org/10.5194/egusphere-egu24-16544
• Klueppel, J.; Woias, P.; Comella, L.M. (2023) Ein drahtloser Sensorknoten für die gleichzeitige Messung der photosynthetisch aktiven Strahlung (PAR) und des Blattflächenindex (LAI). MikroSystemTechnik Kongress, Dresden, 23.-25.10.2023
• Dumberger, S.; Kinzinger, L.; Werner, C.; Haberstroh, S. (2023) Contrasting hydraulic strategies and dynamic shifts in radial sap flow in a drought-avoiding and a drought-tolerant tree species. 52. Jahrestagung der GfÖ, Leipzig, 12.-16.09.2023
• Seeger, S.; Scarpa, F.;  Silwal, A.; Rimmele, S.; Fichtner; T.; Hayat, F.; Hartmann, A.; Raspe, S.; Haberstroh, S.;  Maier, M. (2023) Das Potenzial von Stammwasserpotenzialsensoren für die Waldforschung. FowiTa (Forstwissenschaftliche Tagung), Dresden, 11.-13.09.2023
• Meischner, M.; Dumberger, S.; Daber, L.E.; Haberstroh, S.; Kreuzwieser, J.; Schnitzler, J.-P.; Werner, C. (2023) Response of belowground and aboveground plant volatile organic compound emissions to heat and simulated herbivory on leaves. 1st International Meeting on the Gas Phase in Plants, Hyytiälä, Finland, 11.-14.09.2023
• Dumberger, S.; Kinzinger, L.; Haberstroh, S.; Mach, J.; Orlowski, N.; Werner, C. (2022) Differing hydraulic strategies and radial sap flow patterns are determined by xylem anatomy and stem water storage in four co-occurring temperate tree species. 5th Xylem International Meeting, Würzburg, 18.-22.09.2022

Press Articles

• Dem Stress der Bäume auf der Spur: Freiburger Forscherin mit Landeswissenschaftspreis ausgezeichnet. Freiburger Wochenbericht, 20.11.2024 https://www.freiburger-wochenbericht.de/dem-stress-der-baeume-auf-der-spur-freiburger-wissenschaftlerin-mit-landeswissenschaftspreis-ausgezeichnet/
• Was unsere Bäume über den Klimawandel “ausplaudern”. heute.at, 21.10.2024. https://www.heute.at/s/wenn-unsere-baeume-ueber-den-klimawandel-sprechen-120068117
• Bäume im Klimawandel: Dem Wald mit Sensoren “zuhören”. Tagesschau, 17.10.2024. https://www.tagesschau.de/wissen/klima/klimawandel-wald-102.html
• Bäume im Klimawandel: Mit Sensoren den Wald erforschen. SWR Wissen, 16.10.2024. https://www.swr.de/wissen/mit-sensoren-baeumen-im-wald-zuhoeren-100.html
• Sprechen Bäume? Wie Forschende in den Wald hinein horchen. SWR Aktuell, 24.09.2024. https://www.swr.de/swraktuell/baden-wuerttemberg/suedbaden/sprechen-baeume-wie-forschende-in-den-wald-hinein-horchen-100.html?mediaId=a6d4c73b-ae48-3606-b8c2-da342140957d&
• Wie neue Mikrosensoren gestresste Bäume sprechen lassen. SWR Aktuell, 24.09.2024. https://www.swr.de/swraktuell/baden-wuerttemberg/suedbaden/wie-neue-mikrosensoren-baeume-sprechen-lassen-100.html
• Können Bäume sprechen? 400 Sensoren und ein Forscherteam hören ihnen zu. RiffReporter, 12.08.2024. https://www.riffreporter.de/de/umwelt/baum-sensoren-projekt-ecosense-uni-freiburg-waldsterben-forschung-klimawandel-umwelt
• Bäume im Fokus – Sonderforschungsbereich ECOSENSE. Nachrichten der GfÖ, 54. Jahrgang, Heft 1, Juni 2024.
• Freiburger Sonderforschungsbereich Ecosense stellt sich vor. Holz-Zentralblatt, Nr. 14, 5.04.2024.
• Warum die Freiburger Universität den Wald mit Sensoren ausrüstet. Badische Zeitung, 21.03.2024. https://www.badische-zeitung.de/warum-die-freiburger-universitaet-den-wald-mit-sensoren-ausruestet
• Internationaler Tag des Waldes: Wie technische Innovation hilft, gestresste Wälder besser zu verstehen. Kultur Joker, 21.03.2024. https://www.kulturjoker.de/internationaler-tag-des-waldes-wie-technische-innovation-hilft-gestresste-waelder-besser-zu-verstehen/
• Mit Sensoren den Wald erforschen. Badische Zeitung, 17.04.2024. https://www.badische-zeitung.de/mit-sensoren-den-wald-erforschen
• Bäume in Ettenheim im Fokus – Universität Freiburg erforscht mit modernster Technik den Ettenheimer Wald. Regiotrends, 16.04.2024. https://www.regiotrends.de/b50a6959ad66c1170e91be4f642a2a5d/de/aus-vereinen-gruppen/index.news.523703.html
• Ettenheimer Wald wird zum Forschungsobjekt. Lahrer Zeitung, 13.04.2024.
• Technische Innovation für gestresste Wälder. microTEC Südwest, 12.04.2024. https://www.microtec-suedwest.de/news-termine/newsuebersicht/item/3075-technische-innovation-fuer-gestresste-waelder
• Scientists Bring Forests into the Internet of Things. EOS, Volume 104, No. 1, 2023. https://eos.org/articles/scientists-bring-forests-into-the-internet-of-things
• Sensor-Netzwerk im Wald. innovations report, 2022. https://www.innovations-report.de/fachgebiete/interdisziplinaere-forschung/sensor-netzwerk-im-wald/
• Sensor Network in the Forest to Improve Forecasts of Climate Change Impacts. ENN Environmental News Network, 2022. https://www.enn.com/articles/70436-sensor-network-in-the-forest-to-improve-forecasts-of-climate-change-impacts
• Den Wald im Blick haben. Badische Zeitung, 14.10.2022. https://www.badische-zeitung.de/in-ettenheim-ist-das-forschungsprojekt-eco-sense-der-uni-freiburg-gestartet–220427802.html
• Stadtwald wird zur Forschungsfläche. Lahrer Zeitung, 15.10.2022.
• Hightech im Ettenheimer Stadtwald. Badische Zeitung, 27.09.2022. https://www.badische-zeitung.de/hightech-im-ettenheimer-stadtwald–217668645.html