Wissenschaftliche Artikel

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)
Bauer-Marschallinger, B., Cao, S., Tupas, M. E., Roth, F., Navacchi, C., Melzer, T., Freeman, V., & Wagner, W. (2022). Satellite-Based Flood Mapping through Bayesian Inference from a Sentinel-1 SAR Datacube. Remote Sensing, 14(15), Article 3673. https://doi.org/10.3390/rs14153673 ( 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)
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)
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)
Dorigo, W., Reimer, C., Chung, D., Parinussa, R., Melzer, T., Wagner, W., De Jeu, R., & Kidd, R. (2015). [Hydrological cycle] Soil Moisture [in “State of the Climate in 2014”]. Bulletin of the American Meteorological Society, 96(7), 28–29. http://hdl.handle.net/20.500.12708/150900 ( reposiTUm)
Van doninck, J., Wagner, W., Melzer, T., De Baets, B., & Verhoest, N. E. C. (2014). Seasonality in the Angular Dependence of ASAR Wide Swath Backscatter. IEEE Geoscience and Remote Sensing Letters, 11(8), 1423–1427. https://doi.org/10.1109/lgrs.2013.2294725 ( reposiTUm)
Brocca, L., Tarpanelli, A., Moramarco, T., Melone, F., Ratto, S. M., Cauduro, M., Ferraris, S., Berni, N., Ponziani, F., Wagner, W., & Melzer, T. (2013). Soil Moisture Estimation in Alpine Catchments through Modeling and Satellite Observations. Vadose Zone Journal, 12(3). http://hdl.handle.net/20.500.12708/155250 ( reposiTUm)
Wagner, W., Hahn, S., Kidd, R., Melzer, T., Bartalis, Z., Hasenauer, S., Figa-Saldana, J., de Rosnay, P., Jann, A., Schneider, S., Komma, J., Kubu, G., Brugger, K., Aubrecht, C., Züger, J., Gangkofner, U., Kienberger, S., Brocca, L., Wang, Y., … Rubel, F. (2013). The ASCAT soil moisture product: a review of its specifications, validation results, and emerging applications. Meteorologische Zeitschrift. https://doi.org/10.1127/0941-2948/2013/0399 ( reposiTUm)
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)
Zwieback, S., Bartsch, A., Melzer, T., & Wagner, W. (2012). Probabilistic fusion of Ku- and C-band scatterometer data for determining the freeze/thaw state. IEEE Transactions on Geoscience and Remote Sensing, 50(7), 2583–2594. https://doi.org/10.1109/tgrs.2011.2169076 ( reposiTUm)
Roncat, A., Wagner, W., Melzer, T., & Ullrich, A. (2008). Echo Detection and Localization in Full-Waveform Airborne Laser Scanner Data using the Averaged Square Difference Function Estimator. The Photogrammetric Journal of Finland, 21(1), 62–75. http://hdl.handle.net/20.500.12708/170154 ( reposiTUm)
Melzer, T. (2007). Non-parametric segmentation of ALS point clouds using mean shift. Journal of Applied Geodesy, 1(3). https://doi.org/10.1515/jag.2007.018 ( reposiTUm)
Wagner, W., Ulrich, A., Ducic, V., Melzer, T., & Studnicka, N. (2006). Gaussian Decomposition and Calibration of a Novel Small-Footprint Full-Waveform Digitising Airborne Laser Scanner. ISPRS Journal of Photogrammetry and Remote Sensing, 60(2), 100–112. http://hdl.handle.net/20.500.12708/172214 ( reposiTUm)

Beiträge in Tagungsbänden

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)
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)
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)
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)
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)
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, Rome, Italy, EU. http://hdl.handle.net/20.500.12708/43796 ( 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)
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)
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)
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)
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., 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, EU. http://hdl.handle.net/20.500.12708/43229 ( 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)
Bartsch, A., Melzer, T., Elger, K., & Heim, B. (2012). Soil Moisture from Metop ASCAT Data at High Latitudes. In Proceedings of the Tenth International Conference on Permafrost (pp. 33–38). http://hdl.handle.net/20.500.12708/42976 ( reposiTUm)
Zwieback, S., Bartsch, A., Melzer, T., & Wagner, W. (2011). Monitoring the Landscape Freeze/Thaw State by Radar Remote Sensing: a Novel Sensor Fusion Approach Based on Hidden Markov Models. In Geophysical Research Abstracts (p. 1). http://hdl.handle.net/20.500.12708/42704 ( reposiTUm)
Zwieback, S., Bartsch, A., Melzer, T., & Wagner, W. (2011). Monitoring the Landscape Freeze/Thaw State by Fusion of Ku and C Band Scatterometer Data. In Geophysical Research Abstracts (p. 1). http://hdl.handle.net/20.500.12708/42703 ( 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)
Roncat, A., Dorninger, P., Melzer, T., Molnár, G., Pfeifer, N., Székely, B., Zámolyi, A., & Drexel, P. (2010). Effect of the acquisition geometry of Airborne and Terrestrial Laser Scanning on high-resolution outlining of microtopographic landforms. In Geophysical Research Abstracts (p. 1). http://hdl.handle.net/20.500.12708/42543 ( reposiTUm)
Podobnikar, T., Székely, B., Hollaus, M., Roncat, A., Dorninger, P., Briese, C., Melzer, T., Pathe, C., Höfle, B., & Pfeifer, N. (2010). Comprehensive Utilization of Airborne laser Scanning in Natural Hazard Studies in Alpine Areas. In Naravne nesreče v Sloveniji, 1. trienalni znanstveni posvet (p. 13). Zalozba ZRC (English name: ZRC Publishing). http://hdl.handle.net/20.500.12708/42777 ( reposiTUm)
Roncat, A., Dorninger, P., Molnár, G., Székely, B., Zámolyi, A., Melzer, T., Pfeifer, N., & Drexel, P. (2010). Influences of the Acquisition Geometry of different Lidar Techniques in High-Resolution Outlining of microtopographic Landforms. In Fachtagung Computerorientierte Geologie - COGeo 2010 (p. 17). http://hdl.handle.net/20.500.12708/42570 ( reposiTUm)
Roncat, A., Wagner, W., Melzer, T., & Ullrich, A. (2008). Waveform Calibration Strategies for a Small-Footprint Laser Scanner. In Proceedings of SPIE - Volume 7109 (Image and Signal Processing for Remote Sensing XIV) (pp. 710910-1-710910–710917). http://hdl.handle.net/20.500.12708/42282 ( reposiTUm)
Jansa, J., Wagner, W., & Melzer, T. (2007). Die Arbeiten im Christian-Doppler-Labor für Räumliche Daten aus Laserscanning und Fernerkundung. In J. Strobl, T. Blaschke, & G. Griesebner (Eds.), Angewandte Geoinformatik 2007. Beiträge zum 19. AGIT Symposium Salzburg. (pp. 297–302). Wichmann Verlag. http://hdl.handle.net/20.500.12708/42116 ( reposiTUm)
Wagner, W., Roncat, A., Melzer, T., & Ullrich, A. (2007). Waveform Analysis Techniques in Airborne Laser Scanning. In IAPRS (p. 6). http://hdl.handle.net/20.500.12708/42103 ( reposiTUm)
Briese, C., Doneus, M., Pfeifer, N., & Melzer, T. (2007). Verbesserte DGM-Erstellung mittels Full-Waveform Airborne Laserscanning. In E. Seyfert (Ed.), Dreiländertagung; Von der Medizintechnik bis zur Planetenforschung - Photogrammetrie und Fernerkundung für das 21. Jahrhundert (pp. 215–222). Publikationen der Deutschen Gesellschaft für Photogrammetrie, Fernerkundung und Geoinformation e.V. http://hdl.handle.net/20.500.12708/42063 ( reposiTUm)
Ducic, V., Hollaus, M., Ullrich, A., Wagner, W., & Melzer, T. (2006). 3D Vegetation Mapping and Classification Using Full-Waveform Laser Scanning. In T. Koukal & W. Schneider (Eds.), Proceedings, International Workshop, 3D Remote Sensing in Forestry (pp. 211–217). http://hdl.handle.net/20.500.12708/41965 ( reposiTUm)

Beiträge in Büchern

Reimer, C., Melzer, T., & Wagner, W. (2018). Long-Term Soil Moisture Data Records Derived From a Series of European Scatterometers. In S. Liang (Ed.), Comprehensive Remote Sensing (pp. 51–84). Elsevier. https://doi.org/10.1016/b978-0-12-409548-9.10354-9 ( reposiTUm)

Präsentationen

Roth, F., Bauer-Marschallinger, B., Wagner, W., Dostalova, A., Melzer, T., Navacchi, C., Reuß, F. D., Tupas, M. E., Cao, S., Reimer, C., & Reimond, S. (2022, May 26). Global satellite-based flood mapping from a Sentinel-1 SAR datacube: The TU Wien Algorithm [Poster Presentation]. ESA Living Planet Symposium 2022, Bonn, Germany. ( reposiTUm)
Mandlburger, G., Hollaus, M., Eysn, L., Mücke, W., Otepka-Schremmer, J., Karel, W., Briese, C., Zlinszky, A., Vetter, M., Melzer, T., Dorninger, P., & Pfeifer, N. (2013). 3D Punktwolken sind mehr wert ... VoGIS-Fachforum 2013, Feldkirch, Austria. http://hdl.handle.net/20.500.12708/83075 ( reposiTUm)

Hochschulschriften

Melzer, T. (2002). Generalized canonical correlation analysis for object recognition [Dissertation, Technische Universität Wien]. reposiTUm. http://hdl.handle.net/20.500.12708/181720 ( reposiTUm)