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Taylor, C. M., Klein, C., Barton, E. J., Hahn, S., & Wagner, W. (2026). Wind shear enhances soil moisture influence on rapid thunderstorm growth. Nature, 651, 116–121. https://doi.org/10.1038/s41586-025-10045-7 ( reposiTUm)

Frantzen, P., Steele-Dunne, S. C., Quaife, T., Vreugdenhil, M., Hahn, S., & Wagner, W. (2025). Improved Estimation of Temporal Dynamics in the ASCAT Backscatter-Incidence Angle Relation Using Regularization. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 18, 13457–13471. https://doi.org/10.1109/JSTARS.2025.3572306 ( reposiTUm)

Gaona, J., Bavera, D., Fioravanti, G., Hahn, S., Stradiotti, P., Filippucci, P., Camici, S., Ciabatta, L., Mosaffa, H., Puca, S., Roberto, N., & Brocca, L. (2025). Soil moisture product consistency for operational drought monitoring in Europe. Hydrology and Earth System Sciences, 29(16), 3865–3888. https://doi.org/10.5194/hess-29-3865-2025 ( reposiTUm)

Shan, X., Steele-Dunne, S., Hahn, S., Wagner, W., Bonan, B., Albergel, C., Calvet, J.-C., & Ku, O. (2024). Assimilating ASCAT normalized backscatter and slope into the land surface model ISBA-A-gs using a Deep Neural Network as the observation operator: Case studies at ISMN stations in western Europe. Remote Sensing of Environment, 308, Article 114167. https://doi.org/10.1016/j.rse.2024.114167 ( reposiTUm)

Wagner, W., Lindorfer, R., Hahn, S., Kim, H., Vreugdenhil, M., Gruber, A., Fischer, M., & Trnka, M. (2024). Global Scale Mapping of Subsurface Scattering Signals Impacting ASCAT Soil Moisture Retrievals. IEEE Transactions on Geoscience and Remote Sensing, 62, Article 4509520. https://doi.org/10.1109/TGRS.2024.3429550 ( reposiTUm)

Stradiotti, P., Preimesberger, W., van der Schalie, R., Madelon, R., Rodriguez-Fernandez, N. J., Hirschi, M., Gruber, A., Hahn, S., Dorigo, W. A., de Jeu, R., & Kidd, R. (2023). Soil Moisture. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 104(9, Supplement), S65–S66. https://doi.org/10.1175/2023BAMSStateoftheClimate.1 ( reposiTUm)

Kim, H., Crow, W., Li, X., Wagner, W., Hahn, S., & Lakshmi, V. (2023). True global error maps for SMAP, SMOS, and ASCAT soil moisture data based on machine learning and triple collocation analysis. Remote Sensing of Environment, 298, Article 113776. https://doi.org/10.34726/4844 ( reposiTUm)

van der Schalie, R., Preimesberger, W., Stradiotti, P., van der Vliet, M., Mösinger, L., Rodriguez-Fernandez, N., Madelon, R., Hahn, S., Hirschi, M., Kidd, R., de Jeu, R., & Dorigo, W. A. (2022). Soil Moisture. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 103(8), S64–S66. ( reposiTUm)

Wagner, W., Lindorfer, R., Melzer, T., Hahn, S., Bauer-Marschallinger, B., Morrison, K., Calvet, J.-C., Hobbs, S., Quast, R., Greimeister-Pfeil, I., & Vreugdenhil, M. (2022). Widespread occurrence of anomalous C-band backscatter signals in arid environments caused by subsurface scattering. Remote Sensing of Environment, 276(113025), 113025. https://doi.org/10.1016/j.rse.2022.113025 ( reposiTUm)

Shan, X., Steele-Dunne, S., Huber, M., Hahn, S., Wagner, W., Bonan, B., Albergel, C., Calvet, J.-C., Ku, O., & Georgievska, S. (2022). Towards constraining soil and vegetation dynamics in land surface models: Modeling ASCAT backscatter incidence-angle dependence with a Deep Neural Network. Remote Sensing of Environment, 279, Article 113116. https://doi.org/10.1016/j.rse.2022.113116 ( reposiTUm)

Greimeister-Pfeil, I., Wagner, W., Quast, R., Hahn, S., Steele-Dunne, S., & Vreugdenhil, M. (2022). Analysis of short-term soil moisture effects on the ASCAT backscatter-incidence angle dependence. Science of Remote Sensing, 5, Article 100053. https://doi.org/10.1016/j.srs.2022.100053 ( reposiTUm)

Petchiappan, A., Steele-Dunne, S., Vreugdenhil, M., Hahn, S., Wagner, W., & Oliveira, R. (2022). The influence of vegetation water dynamics on the ASCAT backscatter–incidence angle relationship in the Amazon. Hydrology and Earth System Sciences, 26(11), 2997–3019. https://doi.org/10.5194/hess-26-2997-2022 ( reposiTUm)

Düthmann, D., Smith, A., Soulsby, C., Kleine, L., Wagner, W., Hahn, S., & Tetzlaff, D. (2022). Evaluating satellite-derived soil moisture data for improving the internal consistency of process-based ecohydrological modelling. Journal of Hydrology, 614(Part A), Article 128462. https://doi.org/10.34726/2962 ( reposiTUm)

Steele-Dunne, S. C., Hahn, S., Wagner, W., & Vreugdenhil, M. (2021). Towards Including Dynamic Vegetation Parameters in the EUMETSAT H SAF ASCAT Soil Moisture Products. Remote Sensing, 13(8), 1463. https://doi.org/10.3390/rs13081463 ( reposiTUm)

Beck, H. E., Pan, M., Miralles, D. G., Reichle, R. H., Dorigo, W. A., Hahn, S., Sheffield, J., Karthikeyan, L., Balsamo, G., Parinussa, R. M., van Dijk, A. I. J. M., Du, J., Kimball, J. S., Vergopolan, N., & Wood, E. F. (2021). Evaluation of 18 satellite- and model-based soil moisture products using in situ measurements from 826 sensors. Hydrology and Earth System Sciences, 25(1), 17–40. https://doi.org/10.5194/hess-25-17-2021 ( reposiTUm)

van der Schalie, R., Scanlon, T. M., Preimesberger, W., Pasik, A., van der Vliet, M., Mösinger, L., Rodriguez-Fernandez, N., Madelon, R., Hahn, S., Hirschi, M., Kidd, R., De Jeu, R., & Dorigo, W. (2021). Soil Moisture. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 102(8), S67–S68. https://doi.org/10.1175/2021BAMSStateoftheClimate.1 ( reposiTUm)

Hahn, S., Wagner, W., Steele-Dunne, S., Vreugdenhil, M., & Melzer, T. (2021). Improving ASCAT Soil Moisture Retrievals with an Enhanced Spatially Variable Vegetation Parameterization. IEEE Transactions on Geoscience and Remote Sensing, 59(10), 8241–8256. https://doi.org/10.34726/1622 ( reposiTUm)

Vreugdenhil, M., Navacchi, C., Bauer-Marschallinger, B., Hahn, S., Steele-Dunne, S., Pfeil, I., Dorigo, W., & Wagner, W. (2020). Sentinel-1 Cross Ratio and Vegetation Optical Depth: A Comparison over Europe. Remote Sensing, 12(20), 3404. https://doi.org/10.3390/rs12203404 ( reposiTUm)

Al-Yaari, A., Wigneron, J.-P., Dorigo, W., Colliander, A., Pellarin, T., Hahn, S., Mialon, A., Richaume, P., Fernandez-Moran, R., Fan, L., Kerr, Y. H., & De Lannoy, G. (2019). Assessment and inter-comparison of recently developed/reprocessed microwave satellite soil moisture products using ISMN ground-based measurements. Remote Sensing of Environment, 224, 289–303. https://doi.org/10.1016/j.rse.2019.02.008 ( reposiTUm)

Scanlon, T. M., van der Schalie, R., Preimesberger, W., Reimer, C., Hahn, S., Gruber, A., Kidd, R., De Jeu, R., & Dorigo, W. (2019). [Hydrological cycle] Soil Moisture [in “State of the Climate in 2018”]. Bulletin of the American Meteorological Society, 100(9), Si-S306. https://doi.org/10.1175/2019bamsstateoftheclimate.1 ( reposiTUm)

Brocca, L., Filippucci, P., Hahn, S., Ciabatta, L., Massari, C., Camici, S., Schüller, L., Bojkov, B., & Wagner, W. (2019). SM2RAIN-ASCAT (2007-2018): global daily satellite rainfall data from ASCAT soil moisture observations. Earth System Science Data, 11(4), 1583–1601. https://doi.org/10.5194/essd-11-1583-2019 ( reposiTUm)

Shamambo, D., Bonan, B., Calvet, J.-C., Albergel, C., & Hahn, S. (2019). Interpretation of ASCAT Radar Scatterometer Observations Over Land: A Case Study Over Southwestern France. Remote Sensing, 11(23), 2842. https://doi.org/10.3390/rs11232842 ( reposiTUm)

Steele-Dunne, S., Hahn, S., Wagner, W., & Vreugdenhil, M. (2019). Investigating vegetation water dynamics and drought using Metop ASCAT over the North American Grasslands. Remote Sensing of Environment, 224, 219–235. https://doi.org/10.34726/1226 ( reposiTUm)

Ciabatta, L., Massari, C., Brocca, L., Gruber, A., Reimer, C., Hahn, S., Paulik, C., Dorigo, W., Kidd, R., & Wagner, W. (2018). SM2RAIN-CCI: a new global long-term rainfall data set derived from ESA CCI soil moisture. Earth System Science Data, 10(1), 267–280. https://doi.org/10.5194/essd-10-267-2018 ( reposiTUm)

Pfeil, I., Vreugdenhil, M., Hahn, S., Wagner, W., Strauss, P., & Blöschl, G. (2018). Improving the Seasonal Representation of ASCAT Soil Moisture and Vegetation Dynamics in a Temperate Climate. Remote Sensing, 10(11), 1788. https://doi.org/10.3390/rs10111788 ( reposiTUm)

Thaler, S., Brocca, L., Ciabatta, L., Eitzinger, J., Hahn, S., & Wagner, W. (2018). Effects of Different Spatial Precipitation Input Data on Crop Model Outputs under a Central European Climate. Atmosphere, 9(8), 290. https://doi.org/10.3390/atmos9080290 ( reposiTUm)

Thaler, S., Eitzinger, J., Trnka, M., Možný, M., Hahn, S., Wagner, W., & Hlavinka, P. (2018). The performance of Metop Advanced SCATterometer soil moisture data as a complementary source for the estimation of crop-soil water balance in Central Europe. Journal of Agricultural Science, 156(5), 577–598. https://doi.org/10.1017/s0021859618000011 ( reposiTUm)

Greifeneder, F., Notarnicola, C., Hahn, S., Vreugdenhil, M., Reimer, C., Santi, E., Paloscia, S., & Wagner, W. (2018). The Added Value of the VH/VV Polarization-Ratio for Global Soil Moisture Estimations From Scatterometer Data. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11(10), 3668–3679. https://doi.org/10.1109/jstars.2018.2865185 ( reposiTUm)

Dorigo, W., Scanlon, T. M., Gruber, A., van der Schalie, R., Reimer, C., Hahn, S., Paulik, C., Wagner, W., & De Jeu, R. (2018). Soil Moisture. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 99(8), 35–36. https://doi.org/10.1175/2018bamsstateoftheclimate.1 ( reposiTUm)

Hahn, S., Reimer, C., Vreugdenhil, M., Melzer, T., & Wagner, W. (2017). Dynamic Characterization of the Incidence Angle Dependence of Backscatter Using Metop ASCAT. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10(5), 2348–2359. https://doi.org/10.1109/jstars.2016.2628523 ( reposiTUm)

Miyaoka, K., Gruber, A., Ticconi, F., Hahn, S., Wagner, W., Figa-Saldana, J., & Anderson, C. (2017). Triple Collocation Analysis of Soil Moisture From Metop-A ASCAT and SMOS Against JRA-55 and ERA-Interim. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10(5), 2274–2284. https://doi.org/10.1109/jstars.2016.2632306 ( reposiTUm)

Dorigo, W., Chung, D., Gruber, A., Hahn, S., Mistelbauer, T., Parinussa, R., Reimer, C., van der Schalie, R., De Jeu, R., & Wagner, W. (2017). [Hydrological cycle] Soil Moisture [in “State of the Climate in 2016”]". Bulletin of the American Meteorological Society, 98(8), 30–32. http://hdl.handle.net/20.500.12708/146732 ( reposiTUm)

Vreugdenhil, M., Hahn, S., Melzer, T., Bauer-Marschallinger, B., Reimer, C., Dorigo, W., & Wagner, W. (2017). Assessing Vegetation Dynamics Over Mainland Australia With Metop ASCAT. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10(5), 2240–2248. https://doi.org/10.34726/1621 ( reposiTUm)

Lievens, H., Martens, B., Verhoest, N. E. C., Hahn, S., Reichle, R. H., & Miralles, D. G. (2017). Assimilation of global radar backscatter and radiometer brightness temperature observations to improve soil moisture and land evaporation estimates. Remote Sensing of Environment, 189, 194–210. https://doi.org/10.1016/j.rse.2016.11.022 ( reposiTUm)

Brocca, L., Crow, W., Ciabatta, L., Massari, C., de Rosnay, P., Enenkel, M., Hahn, S., Amarnath, G., Camici, S., Tarpanelli, A., & Wagner, W. (2017). A Review of the Applications of ASCAT Soil Moisture Products. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10(5), 2285–2306. https://doi.org/10.34726/1263 ( reposiTUm)

Dorigo, W., Chung, D., Gruber, A., Hahn, S., Mistelbauer, T., Parinussa, R., Paulik, C., Reimer, C., van der Schalie, R., De Jeu, R., & Wagner, W. (2016). [Hydrological cycle] Soil Moisture [in “State of the Climate in 2015”]. Bulletin of the American Meteorological Society, 97(8), S31–S32. http://hdl.handle.net/20.500.12708/148853 ( reposiTUm)

Vreugdenhil, M., Dorigo, W., Wagner, W., de Jeu, R., Hahn, S., & Marle, van, Margreet. (2016). Analyzing the Vegetation Parameterization in the TU-Wien ASCAT Soil Moisture Retrieval. IEEE Transactions on Geoscience and Remote Sensing, 54(6), 3513–3531. https://doi.org/10.34726/1264 ( reposiTUm)

Wagner, W., Brocca, L., Naeimi, V., Reichle, R., Draper, C., De Jeu, R., Ryu, D., Su, C.-H., Western, A., Calvet, J.-C., Kerr, Y., Leroux, D. J., Drusch, M., Jackson, T., Hahn, S., Dorigo, W., & Paulik, C. (2014). Clarifications on the “Comparison Between SMOS, VUA, ASCAT, and ECMWF Soil Moisture Products Over Four Watersheds in U.S.” IEEE Transactions on Geoscience and Remote Sensing, 52(3), 1901–1906. https://doi.org/10.1109/tgrs.2013.2282172 ( reposiTUm)

Brocca, L., Ciabatta, L., Massari, C., Moramarco, T., Hahn, S., Hasenauer, S., Kidd, R., Dorigo, W., Wagner, W., & Levizzani, V. (2014). Soil as a natural rain gauge: Estimating global rainfall from satellite soil moisture data. Journal of Geophysical Research: Atmospheres, 119(9), 5128–5141. http://hdl.handle.net/20.500.12708/156588 ( reposiTUm)

Dorigo, W., Chung, D., Parinussa, R., Reimer, C., Hahn, S., Liu, Y. Y., Wagner, W., De Jeu, R., Paulik, C., & Wang, G. (2014). Soil moisture. BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, 95(7), S25–S26. http://hdl.handle.net/20.500.12708/156755 ( reposiTUm)

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Hahn, S., Melzer, T., & Wagner, W. (2012). Error assessment of the initial near real-time METOP ASCAT Surface Soil Moisture Product. IEEE Transactions on Geoscience and Remote Sensing, 50(7), 2556–2565. https://doi.org/10.1109/tgrs.2012.2183877 ( reposiTUm)

Brocca, L., Moramarco, T., Melone, F., Wagner, W., Hasenauer, S., & Hahn, S. (2012). Assimilation of surface- and root-zone ASCAT soil moisture products into rainfall-runoff modeling. IEEE Transactions on Geoscience and Remote Sensing, 50(7), 2542–2555. https://doi.org/10.1109/tgrs.2011.2177468 ( reposiTUm)

Dorigo, W. A., Wagner, W., Hohensinn, R., Hahn, S., Paulik, C., Xaver, A., Gruber, A., Drusch, M., Mecklenburg, S., van Oevelen, P., Robock, A., & Jackson, T. (2011). The International Soil Moisture Network: a data hosting facility for global in situ soil moisture measurements. Hydrology and Earth System Sciences, 15(5), 1675–1698. https://doi.org/10.5194/hess-15-1675-2011 ( reposiTUm)

Vreugdenhil, M., Roebling, R., Sanjeevamurthy, P., Hahn, S., & Wagner, W. (2025). Observing changes of India’s summer monsoon. In EGU General Assembly 2025. EGU General Assembly 2025, Wien, Austria. https://doi.org/10.5194/egusphere-egu25-20319 ( reposiTUm)

Harrison, C., Hahn, S., & Wagner, W. (2024). Monitoring Metop ASCAT backscatter stability over tropical rainforests. In EGU General Assembly 2024. EGU General Assembly 2024, Wien, Austria. EGU. https://doi.org/10.5194/egusphere-egu24-9248 ( reposiTUm)

Hahn, S., Wagner, W., Melzer, T., & Vreugdenhil, M. (2024). Next-generation ASCAT surface soil moisture near real-time service. In EGU General Assembly 2024. EGU General Assembly 2024, Wien, Austria. EGU. https://doi.org/10.5194/egusphere-egu24-18930 ( reposiTUm)

Mazumder, S., Hahn, S., & Wagner, W. (2024). Monitoring The Development Of Land Heatwaves Using Spatiotemporal Models. In EGU General Assembly 2024. EGU General Assembly 2024, Wien, Austria. EGU. https://doi.org/10.5194/egusphere-egu24-1101 ( reposiTUm)

Frantzen, P., Steele-Dunne, S., Vreugdenhil, M., Hahn, S., Quast, R., & Wagner, W. (2024). Improving ASCAT slope estimation methods for representing vegetation water dynamics. In EGU General Assembly 2024. EGU General Assembly 2024, Wien, Austria. EGU. https://doi.org/10.5194/egusphere-egu24-15193 ( reposiTUm)

Muguda Sanjeevamurthy, P., Vreugdenhil, M., Hahn, S., Massart, S., Villegas-Lituma, C., Lindorfer, R., & Wagner, W. (2024). A case study on agricultural drought monitoring using ASCAT surface soil moisture at 6.25 km sampling over Eastern Africa. In EGU General Assembly 2024. EGU General Assembly 2024, Wien, Austria. EGU. https://doi.org/10.5194/egusphere-egu24-6782 ( reposiTUm)

Massart, S., Vreugdenhil, M., Hahn, S., Muguda Sanjeevamurthy, P., Villegas-Lituma, C., & Wagner, W. (2024). High-resolution drought monitoring with Sentinel-1: A case-study over Mozambique. In EGU General Assembly 2024. EGU General Assembly 2024, Wien, Austria. EGU. https://doi.org/10.5194/egusphere-egu24-5291 ( reposiTUm)

Hahn, S., Wagner, W., Alves, O., Muguda Sanjeevamurthy, P., Vreugdenhil, M., & Melzer, T. (2023). Metop ASCAT soil moisture trends: Mitigating the effects of long-term land cover changes. In EGU General Assembly 2023. EGU General Assembly 2023, Wien, Austria. https://doi.org/10.5194/egusphere-egu23-16205 ( reposiTUm)

Shan, X., Steele-Dunne, S., Hahn, S., Wagner, W., Bonan, B., Albergel, C., Calvet, J.-C., & Ku, O. (2023). ­­Joint assimilation of ASCAT backscatter and slope into the ISBA land surface model at ISMN stations over Western Europe. In EGU General Assembly 2023. EGU General Assembly 2023, Wien, Austria. https://doi.org/10.5194/egusphere-egu23-8489 ( reposiTUm)

Greimeister-Pfeil, I., Wagner, W., Quast, R., Hahn, S., Steele-Dunne, S., & Vreugdenhil, M. (2022). Disentangling soil moisture and vegetation effects on the ASCAT backscatter-incidence angle relationship. In EGU General Assembly 2022. EGU General Assembly 2022, Vienna, Austria. Copernicus Publications. https://doi.org/10.5194/egusphere-egu22-5128 ( reposiTUm)

Shan, X., Steele-Dunne, S., Huber, M., Hahn, S., Wagner, W., Bonan, B., Albergel, C., Calvet, J.-C., Ku, O., & Georgievska, S. (2022). Constraining plant water dynamics in land surface model by assimilating ASCAT dynamic vegetation parameters. In EGU General Assembly 2022. EGU General Assembly 2022, Vienna, Austria. Copernicus Publications. https://doi.org/10.5194/egusphere-egu22-10176 ( reposiTUm)

Pfeil, I., Wagner, W., Hahn, S., Quast, R., Steele-Dunne, S., & Vreugdenhil, M. (2021). Soil moisture and vegetation effects on the ASCAT backscatter-incidence angle dependence. In EGU General Assembly 2021. EGU General Assembly 2021, Unknown. https://doi.org/10.5194/egusphere-egu21-10806 ( reposiTUm)

Steele-Dunne, S., Vermunt, P., Khabbazan, S., Petchiappan, A., Judge, J., Vreugdenhil, M., Hahn, S., & Wagner, W. (2020). Advances in using radar to observe vegetation water dynamics. In EGU General Assembly 2020. EGU General Assembly 2020, Vienna, Austria. Copernicus. https://doi.org/10.5194/egusphere-egu2020-11348 ( reposiTUm)

Hahn, S., Wagner, W., Quast, R., & Salentinig, A. (2020). Subsurface scattering effects in the ASCAT soil moisture product. In EGU General Assembly 2020. EGU General Assembly 2020, Vienna, Austria. Copernicus. https://doi.org/10.5194/egusphere-egu2020-20000 ( reposiTUm)

Petchiappan, A., Steele-Dunne, S., Vreugdenhil, M., Hahn, S., & Wagner, W. (2020). Relating ASCAT backscatter and dynamic vegetation parameters to vegetation water dynamics in the Amazon. In EGU General Assembly 2020 (EGU 2020). EGU General Assembly 2020, Vienna, Austria. Copernicus. https://doi.org/10.5194/egusphere-egu2020-11398 ( reposiTUm)

Pasik, A., Bauer-Marschallinger, B., Preimesberger, W., Scanlon, T., Dorigo, W., & Hahn, S. (2020). Towards long-term satellite root-zone soil moisture: 40-year Soil Water Index dataset from ESA CCI COMBINED Soil Moisture product. In EGU General Assembly 2020. EGU General Assembly 2020, Vienna, Austria. Copernicus. https://doi.org/10.5194/egusphere-egu2020-15066 ( reposiTUm)

Delogu, F., Hahn, S., Gabellani, S., Puca, S., & Brocca, L. (2019). Global validation of the different H SAF soil moisture products. In EGU General Assembly 2019. EGU General Assembly 2019, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43958 ( reposiTUm)

Steele-Dunne, S., Hahn, S., Wagner, W., & Vreugdenhil, M. (2019). Towards an improved understanding of the ASCAT Dynamic Vegetation Parameters: An analysis of spatial and temporal patterns over mainland France. In EGU General Assembly 2019. EGU General Assembly 2019, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43938 ( reposiTUm)

Vreugdenhil, M., Hahn, S., Dorigo, W., Steele-Dunne, S., & Wagner, W. (2019). Sentinel-1 backscatter dynamics for vegetation monitoring: Synergies and discordances with Vegetation Optical Depth. In EGU General Assembly 2019. EGU General Assembly 2019, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43940 ( reposiTUm)

Hahn, S., Vreugdenhil, M., Melzer, T., Forkel, M., Dorigo, W., & Wagner, W. (2019). Analyzing trends in backscatter and surface soil moisture observations from Metop ASCAT. In EGU General Assembly 2019. EGU General Assembly 2019, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43936 ( reposiTUm)

Steele-Dunne, S., Hahn, S., Wagner, W., & Vreugdenhil, M. (2018). Using Metop-A ASCAT vegetation parameters to study canopy water dynamics in the North American Grasslands. In EGU General Assembly 2018. EGU General Assembly 2018, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43813 ( reposiTUm)

Vreugdenhil, M., Hahn, S., Teubner, I., Dorigo, W., & Wagner, W. (2018). Impacts of drought on vegetation phenology as observed from microwave observations. In EGU General Assembly 2018. EGU General Assembly 2018, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43812 ( reposiTUm)

Hahn, S., Melzer, T., & Wagner, W. (2018). Impact of land cover changes in the TU Wien soil moisture retrieval algorithm. In EGU General Assembly 2018. EGU General Assembly 2018, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43807 ( reposiTUm)

Hochstöger, S., Bauer-Marschallinger, B., Hahn, S., Elefante, S., & Wagner, W. (2018). A new method for downscaling coarse scale ASCAT soil moisture using Sentinel-1: Preliminary results. In EGU General Assembly 2018. EGU General Assembly 2018, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43809 ( reposiTUm)

Greimeister-Pfeil, I., Hahn, S., Bauer-Marschallinger, B., Hochstöger, S., Vreugdenhil, M., & Wagner, W. (2017). Sentinel-1 Surface Soil Moisture: Comparison against an optimized Metop ASCAT soil moisture product and in-situ data in Lower Austria. In W. Dorigo & W. Wagner (Eds.), Abstract Booklet of the 4th Satellite Soil Moisture Validation and Application Workshop and the CCI Soil Moisture User Workshop, 18-20 September 2017, Vienna, Austria (pp. 45–46). Technische Universität Wien. http://hdl.handle.net/20.500.12708/43719 ( reposiTUm)

Steele-Dunne, S., Hahn, S., & Wagner, W. (2017). Metop ASCAT vegetation parameters estimated from morning and evening orbit overpass and their impact on estimated soil moisture. In W. Dorigo & W. Wagner (Eds.), Abstract Booklet of the 4th Satellite Soil Moisture Validation and Application Workshop and the CCI Soil Moisture User Workshop, 18-20 September 2017, Vienna, Austria (p. 60). Technische Universität Wien. http://hdl.handle.net/20.500.12708/43725 ( reposiTUm)

Ciabatta, L., Massari, C., Camici, S., Brocca, L., Gruber, A., Reimer, C., Hahn, S., Paulik, C., Dorigo, W., & Wagner, W. (2017). Long-term ESA CCI soil moisture derived rainfall product through SM2RAIN. In W. Dorigo & W. Wagner (Eds.), Abstract Booklet of the 4th Satellite Soil Moisture Validation and Application Workshop and the CCI Soil Moisture User Workshop, 18-20 September 2017, Vienna, Austria (p. 16). Technische Universität Wien. http://hdl.handle.net/20.500.12708/43715 ( reposiTUm)

Hahn, S., Melzer, T., Vreugdenhil, M., & Wagner, W. (2017). Metop ASCAT soil moisture product: Calibration of the vegetation correction parameters. In EGU General Assembly 2017 (p. 1). Copernicus Publications. http://hdl.handle.net/20.500.12708/43650 ( reposiTUm)

Elefante, S., Hahn, S., Bauer-Marschallinger, B., Hochstöger, S., & Wagner, W. (2017). Soil Moisture Downscaling Meets Big Data Processing. In Proceedings for the 2017 EUMETSAT Meteorological Satellite Conference. EUMETSAT Meteorological Satellite Conference 2017, Rom, Italy. http://hdl.handle.net/20.500.12708/43797 ( reposiTUm)

Hahn, S., Elefante, S., Melzer, T., & Wagner, W. (2017). METOP ASCAT Soil Moisture: Challenges, Products And Applications. In Proceedings for the 2017 EUMETSAT Meteorological Satellite Conference. EUMETSAT Meteorological Satellite Conference 2017, Rom, Italy. http://hdl.handle.net/20.500.12708/43796 ( reposiTUm)

Khakpour, M., Paulik, C., & Hahn, S. (2016). Geo Issue Tracking System. In EGU General Assembly 2016. EGU General Assembly 2016, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43558 ( reposiTUm)

Hahn, S., & Wagner, W. (2016). Improving the vegetation parametrization in the ASCAT soil moisture retrieval. In EGU General Assembly 2016. EGU General Assembly 2016, Vienna, Austria. Copernicus Publications. http://hdl.handle.net/20.500.12708/43535 ( reposiTUm)

Wagner, W., Reimer, C., Bauer-Marschallinger, B., Enenkel, M., Hahn, S., Melzer, T., Naeimi, V., Paulik, C., & Dorigo, W. (2015). Long-term Soil Moisture Time Series Analyses based on Active Microwave Backscatter Measurements. In G. Schreier, P. E. Skrovseth, & H. Staudenrausch (Eds.), The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (pp. 545–550). ISPRS Archives. https://doi.org/10.5194/isprsarchives-xl-7-w3-545-2015 ( reposiTUm)

Santi, E., Paloscia, S., Pettinato, S., Notarnicola, C., Greifeneder, F., Hahn, S., Wagner, W., Vreugdenhil, M., & Reimer, C. (2015). Developing an operational algorithm based on ANN for the retrieval of SMC from the incoming metop SCA mission. In 2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IGARSS 2015, Milan, Italy. https://doi.org/10.1109/igarss.2015.7326196 ( reposiTUm)

Brocca, L., Ciabatta, L., Massari, C., Dorigo, W., Hahn, S., Hasenauer, S., Kidd, R., Moramarco, T., Levizzani, V., & Wagner, W. (2014). Soil as a natural raingauge: estimating rainfall from global satellite soil moisture data. In EGU General Assembly 2014. EGU General Assembly 2014, Vienna, Austria. http://hdl.handle.net/20.500.12708/43238 ( reposiTUm)

Vreugdenhil, M., Dorigo, W., De Jeu, R., Hahn, S., Salinas, J. L., & Wagner, W. (2014). Derivation of soil moisture retrieval uncertainties associated to the simplification of the dynamic vegetation signal. In EGU General Assembly 2014. EGU General Assembly 2014, Vienna, Austria. http://hdl.handle.net/20.500.12708/43243 ( reposiTUm)

Smith, R., Berry, P., Hahn, S., Wagner, W., Egido, A., Dinardo, S., Lucas, B. M., & Benveniste, J. (2014). SMALT - Soil Moisture from Altimetry. In EGU General Assembly 2014. EGU General Assembly 2014, Vienna, Austria. http://hdl.handle.net/20.500.12708/43247 ( reposiTUm)

Vreugdenhil, M., Dorigo, W., De Jeu, R., Hahn, S., & Wagner, W. (2014). Effects of Vegetation Properties on Soil Moisture Retrievals from Active Microwave Instruments. In Proceedings of the IGARSS 2014 (p. 4). http://hdl.handle.net/20.500.12708/43343 ( reposiTUm)

Paulik, C., Steiner, C., Hahn, S., Melzer, T., Gruber, A., & Wagner, W. (2014). Open Source Toolbox and Web Application for Soil Moisture Validation. In Proceedings of the IGARSS 2014 (p. 3). http://hdl.handle.net/20.500.12708/43349 ( reposiTUm)

Vreugdenhil, M., De Jeu, R., Wagner, W., Dorigo, W., Hahn, S., & Blöschl, G. (2013). An Intercomparison of Vegetation Products from Satellite-based Observations used for Soil Moisture Retrievals. In Geophysical Research Abstracts. EGU General Assembly 2013, Vienna, Austria. http://hdl.handle.net/20.500.12708/43060 ( reposiTUm)

Wagner, W., Paulik, C., Hahn, S., Melzer, T., Parinussa, R., De Jeu, R., Dorigo, W., Chung, D., & Enenkel, M. (2013). Soil Moisture Extremes Observed by METOP ASCAT: Was 2012 an Exceptional Year? In Geophysical Research Abstracts. EGU General Assembly 2013, Vienna, Austria. http://hdl.handle.net/20.500.12708/43062 ( reposiTUm)

Bartsch, A., Paulik, C., Melzer, T., Hahn, S., & Wagner, W. (2013). Circumpolar freeze/thaw surface status and surface soil moisture from Metop ASCAT. In Geophysical Research Abstracts. EGU General Assembly 2013, Vienna, Austria. http://hdl.handle.net/20.500.12708/43066 ( reposiTUm)

Hahn, S., Wagner, W., Vreugdenhil, M., Melzer, T., & Abdulrahman, A. (2013). Challenges for Soil Moisture Retrieval from C-band Backscatter. In Proceedings of the 2013 EUMETSAT Metereological Satellite Conference. EUMETSAT Meteorological Satellite Conference, Helsinki, Finland. http://hdl.handle.net/20.500.12708/43229 ( reposiTUm)

Smith, R., Salloway, M., Berry, P., Dowson, M., Hahn, S., Wagner, W., Egibo, A., & Benveniste, J. (2013). Soil Moisture from Satellite Radar Altimetry (SMALT). In L. Ouwehand (Ed.), Proceedings of ESA Living Planet Symposium 2013 (p. 4). ESA. http://hdl.handle.net/20.500.12708/43233 ( reposiTUm)

Reimer, C., Hahn, S., & Wagner, W. (2013). Inter‐Calibration of ERS AMI and MetOp ASCAT Backscatter Measurements. In L. Ouwehand (Ed.), Proceedings of ESA Living Planet Symposium 2013 (p. 6). ESA. http://hdl.handle.net/20.500.12708/43232 ( reposiTUm)

Wagner, W., Hahn, S., Vreugdenhil, M., Figa-Saldaña, J., Melzer, T., & Dorigo, W. (2013). An Overview of Recent Algorithmic Research on the H-SAF ASCAT Surface Soil Moisture Product. In Abstract Book (p. 1). http://hdl.handle.net/20.500.12708/43116 ( reposiTUm)

Hahn, S., Melzer, T., & Wagner, W. (2012). Latest upgrades in the METOP ASCAT Soil Moisture Product. In European Geosciences Union General Assembly 2012 (p. 1). Geophysical Research Abstracts. http://hdl.handle.net/20.500.12708/42885 ( reposiTUm)

Hahn, S., Kidd, R., & Wagner, W. (2012). Bodenfeuchte aus Satellitendaten - ein Vergleich zwischen SMOS und METOP-A. In Angewandte Geoinformatik - Beiträge zum 24. AGIT Symposium Salzburg (pp. 385–389). Wichmann. http://hdl.handle.net/20.500.12708/42940 ( reposiTUm)

Wagner, W., Hahn, S., Gruber, A., & Dorigo, W. (2012). Identification of soil moisture retrieval errors: Learning from the comparison of SMOS and ASCAT. In 2012 IEEE International Geoscience and Remote Sensing Symposium. IGARSS, Seoul, Korea (the Republic of). https://doi.org/10.1109/igarss.2012.6350586 ( reposiTUm)

De Jeu, R., Holmes, T., Wagner, W., Dorigo, W., Hahn, S., & Parinussa, R. (2012). Evaluation of SMOS soil moisture with other existing satellite products. In Remote Sensing and Hydrology (pp. 25–28). IAHS Publ. http://hdl.handle.net/20.500.12708/43206 ( reposiTUm)

Hahn, S., & Wagner, W. (2011). Characterisation of Calibration-Related Errors of the Initial METOP ASCAT Soil Moisture Product. In Geophysical Research Abstracts (p. 1). http://hdl.handle.net/20.500.12708/42692 ( reposiTUm)

Kidd, R., Hasenauer, S., Hahn, S., Paulik, C., Melzer, T., & Wagner, W. (2011). WARP6: Latest improvements in the global soil moisture retrieval package for METOP ASCAT scatterometer data. In Abstract Brochure of 2011 EUMETSAT/ESA Scatterometer Science Conference (p. 1). http://hdl.handle.net/20.500.12708/42708 ( reposiTUm)

Aubrecht, C., Elvidge, C. D., Baugh, K. E., & Hahn, S. (2011). Identification of wildfire precursor conditions: Linking satellite based fire and soil moisture data. In Computational Vision and Medical Image Processing: VipIMAGE 2011 (pp. 347–352). http://hdl.handle.net/20.500.12708/42933 ( reposiTUm)

Hahn, S., & Wagner, W. (2011). Characterisation of calibration-related errors of the initial METOP ASCAT soil moisture product. In Characterisation of calibration-related errors of the initial METOP ASCAT soil moisture product (p. 1). http://hdl.handle.net/20.500.12708/42709 ( reposiTUm)

Doubkova, M., Sabel, D., Hahn, S., Pathe, C., & Wagner, W. (2010). Operational soil moisture from SAR systems: towards SENTINEL-1. In ISPRS Technical Commission VII Symposium (p. 34). http://hdl.handle.net/20.500.12708/42869 ( reposiTUm)

Dorigo, W., Hahn, S., Hohensinn, R., Paulik, C., Wagner, W., Drusch, M., & van Oevelen, P. (2010). The International Soil Moisture Network - A data hosting facility for in situ soil moisture measurements in support of SMOS cal/val. In Geophysical Research Abstracts (p. 1). http://hdl.handle.net/20.500.12708/42529 ( reposiTUm)

Ciabatta, L., Camici, S., Massari, C., Filippucci, P., Hahn, S., Wagner, W., & Brocca, L. (2020). Soil Moisture and Precipitation: The SM2RAIN Algorithm for Rainfall Retrieval from Satellite Soil Moisture. In V. Levizzani, C. Kidd, D. B. Kirschbaum, C. D. Kummerow, K. Nakamura, & F. J. Turk (Eds.), Advances in Global Change Research (pp. 1013–1027). Springer. https://doi.org/10.1007/978-3-030-35798-6_27 ( reposiTUm)

Wagner, W., Hahn, S., Figa, J., Albergel, C., de Rosnay, P., Brocca, L., de Jeu, R., Hasenauer, S., & Dorigo, W. (2013). Operations, Challenges, and Prospects of Satellite-Based Surface Soil Moisture Data Services. In G. P. Petropoulos (Ed.), Remote Sensing of Energy Fluxes and Soil Moisture Content (pp. 463–488). CRC Press. https://doi.org/10.1201/b15610-25 ( reposiTUm)

Hahn, S. (2026, January). Die Erde verstehen mit Satelliten [Presentation]. Online GEO-Woche 2026, Wien, Austria. http://hdl.handle.net/20.500.12708/226502 ( reposiTUm)

Hahn, S., Harrison, C. T., & Wagner, W. (2025, June 27). Data representations for non-regular EO data: A case study using scatterometer observations from Metop ASCAT [Poster Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218347 ( reposiTUm)

Harrison, C. T., Wagner, W., Reimer, C., Roth, F., Raml, B., Hahn, S., & Schramm, M. (2025, June 26). From GeoTIFF to Zarr: Virtualizing a Petabyte-Scale SAR Datacube for Simple, Scalable, and Efficient Workflows [Poster Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218349 ( reposiTUm)

Frantzen, P., Susan Dunne, Quaife, T., Vreugdenhil, M., Hahn, S., & Wagner, W. (2025, June 24). Capturing Short-Term Dynamics in ASCAT Vegetation Parameters [Poster Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218344 ( reposiTUm)

Muguda Sanjeevamurthy, P., Hahn, S., Vreugdenhil, M., Raml, B., & Wagner, W. (2025, June 27). H SAF ASCAT Disaggregated Surface Soil Moisture at 0.5 km: First Validation Results with ISMN Data Over Europe [Poster Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218351 ( reposiTUm)

Schobben, M., Jovic, L., Pikall, N., Wagner, J., Harrison, C. T., Festa, D., Reuß, F. D., Hahn, S., Mandlburger, G., Reimer, C., Briese, C., Schramm, M., & Wagner, W. (2025, June 24). A Federated Learning Environment for Earth Observation Students: A Success Story from Austria [Poster Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218361 ( reposiTUm)

Garcia, J. G., Luca Brocca, Filippucci, P., Liaquat, U., Fioravanti, G., Bavera, D., Wagner, W., Dorigo, W. A., Hahn, S., Vreugdenhil, M., Puca, S., & Roberto, N. (2025, June 27). Inter-comparison and merging of active, passive and model-based soil moisture products for drought monitoring over differently instrumented regions [Poster Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218631 ( reposiTUm)

Lindorfer, R., Hahn, S., Harrison, C. T., Wagner, W., Melzer, T., Vreugdenhil, M., Susan Dunne, Crapolicchio, R., & Goryl, P. (2025, June 27). FDR4LDYN: Preserving and Harmonising ERS C-Band Scatterometer Backscatter Data for Long-Term Land Surface Applications [Conference Presentation]. Living Planet Symposium (LPS 2025), Wien, Austria. http://hdl.handle.net/20.500.12708/218353 ( reposiTUm)

Villegas-Lituma, C., Massart, S. J. A., Vreugdenhil, M., Hahn, S., Muguda Sanjeevamurthy, P., & Wagner, W. (2024, September 25). High-resolution drought monitoring with Sentinel-1 and ASCAT data: A case-study over Mozambique [Conference Presentation]. EO for Africa Symposium 2024, Rom, Italy. http://hdl.handle.net/20.500.12708/203970 ( reposiTUm)

Filippucci, P., Mosaffa, H., Gaona, J., Ciabatta, L., Hahn, S., Massari, C., & Brocca, L. (2024, September 23). Rainfall estimation in the African continent: Satellite data against observations [Poster Presentation]. EO for Africa Symposium 2024, Rom, Italy. http://hdl.handle.net/20.500.12708/204295 ( reposiTUm)

Gaona, J., Brocca, L., Bavera, D., Fioravanti, G., Filipucci, P., Mossaffa, H., Puca, S., Roberto, N., Stradiotti, P., & Hahn, S. (2024, October 3). Challenges in open data for soil moisture monitoring [Presentation]. Open-Earth Monitor Global Workshop 2024, Laxenburg, Austria. http://hdl.handle.net/20.500.12708/205658 ( reposiTUm)

Brocca, L., Ciabatta, L., Hahn, S., Fairbairn, D., Gabellani, S., & Puca, S. (2024, September 25). Operational H SAF satellite precipitation and soil moisture products for hydrological application in Africa [Conference Presentation]. EO for Africa Symposium 2024, Rom, Italy. http://hdl.handle.net/20.500.12708/203975 ( reposiTUm)

Gaona, J., Brocca, L., Filippucci, P., Bavera, D., Fioravanti, G., Mosaffa, H., Liaqat, M. U., Wagner, W., Dorigo, W., Vreugdenhil, M., Hahn, S., Stradiotti, P., Puca, S., & Roberto, N. (2024, September 23). Intercomparison of remote sensing and soil moisture modelling products for operational drought monitoring over Africa [Poster Presentation]. EO for Africa Symposium 2024, Rom, Italy. http://hdl.handle.net/20.500.12708/204282 ( reposiTUm)

Giannakos, A., Hahn, S., Wagner, W., Fairbairn, D., & de Rosnay, P. (2022, January 24). H SAF Soil Moisture products, Quality Assessment and case studies [Conference Presentation]. 5th H SAF User Workshop, Austria. http://hdl.handle.net/20.500.12708/152558 ( reposiTUm)

Vreugdenhil, M., Wagner, W., Hahn, S., Dorigo, W., De Jeu, R., & Steele-Dunne, S. (2019). Vegetation Optical Depth and Sentinel-1 backscatter dynamics for phenology monitoring: Synergies and discordances. IEEE International Geoscience and Remote Sensing Symposium 2019 (IGARSS 2019), Yokohama, Japan. http://hdl.handle.net/20.500.12708/83935 ( reposiTUm)

Vreugdenhil, M., Dorigo, W., Hahn, S., Bauer-Marschallinger, B., & Wagner, W. (2019). Metop ASCAT Vegetation Optical Depth and Sentinel-1 Backscatter Dynamics for Phenology Monitoring. ESA Living Planet Symposium 2019, Milan, Italy. http://hdl.handle.net/20.500.12708/83783 ( reposiTUm)

Greimeister-Pfeil, I., Vreugdenhil, M., Hahn, S., Wagner, W., Strauss, P., & Blöschl, G. (2018). Analysing Dynamics in ASCAT Soil Moisture and Vegetation in Lower Austria. Hydrocarpath International Conference 2018, Wien, Austria. http://hdl.handle.net/20.500.12708/83729 ( reposiTUm)

Hahn, S., Reimer, C., Paulik, C., & Wagner, W. (2016). Equi1: A global grid system. ESA Living Planet Symposium 2016, Prag, Czechia. http://hdl.handle.net/20.500.12708/83493 ( reposiTUm)

Hahn, S. (2016). High-Resolution Soil Moisture from MetOp ASCAT. Scatterometer Science Conference 2016, New challenges and opportunities, Noordwijk, Netherlands (the). http://hdl.handle.net/20.500.12708/83409 ( reposiTUm)

Hahn, S. (2016). ASCAT soil moisture model parameter validity in dry soil regimes. Scatterometer Science Conference 2016, New challenges and opportunities, Noordwijk, Netherlands (the). http://hdl.handle.net/20.500.12708/83405 ( reposiTUm)

Paulik, C., Hahn, S., Reimer, C., Mistelbauer, T., Plocon, A., & Gruber, A. (2016). A flexible, open source time series processing framework for soil moisture validation. 3rd Satellite Soil Moisture Validation and Application Workshop (SMAP 2016), New York, United States of America (the). http://hdl.handle.net/20.500.12708/83441 ( reposiTUm)

Santi, E., Paloscia, S., Pettinato, S., Greifeneder, F., Notarnicola, C., Hahn, S., Wagner, W., Vreugdenhil, M., & Reimer, C. (2015). The application of machine learning algorithms for Soil Moisture retrieval in view of the future EPS-SG SCA mission. SPIE Remote Sensing 2015, Toulouse, France. http://hdl.handle.net/20.500.12708/83376 ( reposiTUm)

Paulik, C., Hahn, S., Reimer, C., Gruber, A., Wagner, W., & Plocon, A. (2015). Toolbox for analysis of geospatial time series data. Earth Observation Open Science 2.0 Conference, Frascati, Italy. http://hdl.handle.net/20.500.12708/83361 ( reposiTUm)

Paloscia, S., Santi, E., Pettinato, S., Notarnicola, C., Greifeneder, F., Hahn, S., Wagner, W., Vreugdenhil, M., & Reimer, C. (2015). Investigation of the Incoming METOP SCA Mission Capabilities in Monitoring the Hydrological Cycle. Earth Observation for Water Cycle Science 2015, Frascati, Italy. http://hdl.handle.net/20.500.12708/83345 ( reposiTUm)

Brocca, L., Ciabatta, L., Massari, C., Moramarco, T., Hahn, S., Hasenauer, S., Dorigo, W., Kidd, R., Wagner, W., & Levizzani, V. (2014). Estimating Rainfall from Global Satellite Soil Moisture Data: Recent Improvements and Applications. Satellite soil moisture validation & application workshop 2014, Amsterdam, Netherlands (the). http://hdl.handle.net/20.500.12708/83185 ( reposiTUm)

Vreugdenhil, M., Wagner, W., Dorigo, W., De Jeu, R., & Hahn, S. (2014). Linking vegetation parameters derived from active and passive microwave observations. Satellite soil moisture validation & application workshop 2014, Amsterdam, Netherlands (the). http://hdl.handle.net/20.500.12708/83252 ( reposiTUm)

Xaver, A., Hasenauer, S., Hahn, S., Sabel, D., Dorigo, W., Doubkova, M., & Wagner, W. (2012). Operational monitoring of soil moisture: the TU Wien product suite. EUROSOIL 2012, Soil Science for the Benefit of Mankind and Environment, Bari, Italy. http://hdl.handle.net/20.500.12708/82939 ( reposiTUm)

Gruber, A., Dorigo, W., Hahn, S., Xaver, A., Wagner, W., & Brocca, L. (2011). Global characterization of SMOS level 2 soil moisture using various evaluation methods. SMOS Science Workshop, Arles, France. http://hdl.handle.net/20.500.12708/82787 ( reposiTUm)

Hahn, S., & Wagner, W. (2011). An analysis of soil moisture retrieval from SMOS and ASCAT over arid regions. SMOS Science Workshop, Arles, France. http://hdl.handle.net/20.500.12708/83112 ( reposiTUm)

De Jeu, R., Holmes, T., Dorigo, W., Wagner, W., Hahn, S., & Parinussa, R. (2010). Evaluation of SMOS soil moisture with other existing satellite products. SMOS Validation and Retrieval Team Workshop 2010, Frascati, Italy. http://hdl.handle.net/20.500.12708/82644 ( reposiTUm)

Montzka, C., Cosh, M. H., Bayat, B., Al Bitar, A., Berg, A., Bindlish, R., Bogena, H. R., Bolten, J. D., Cabot, F., Caldwell, T., Chan, S., Colliander, A., Crow, W. T., Das, N., De Lannoy, G., Dorigo, W., Evett, S. R., Gruber, A., Hahn, S., … Nickeson, J. (2020). Soil Moisture Product Validation Good Practices Protocol. https://doi.org/10.5067/doc/ceoswgcv/lpv/sm.001 ( reposiTUm)

Wagner, W., Lindorfer, R., Hahn, S., Kim, H., Vreugdenhil, M., Gruber, A., Fischer, M., & Trnka, M. (2023). Global Scale Mapping of Subsurface Scattering Signals Impacting ASCAT Soil Moisture Retrievals. TechRxiv. https://doi.org/10.34726/4782 ( reposiTUm)

Hahn, S. (2011). Calibration-related artefacts in the initial ASCAT soil moisture product [Diploma Thesis, Technische Universität Wien]. reposiTUm. http://hdl.handle.net/20.500.12708/160157 ( reposiTUm)