piwik-script

English Intern
Arbeitsgruppe Erdbeobachtung

Prof. Dr. Tobias Ullmann

Lehrstuhl für Fernerkundung

   +49 (0)931 31-86865
   +49 (0)931 31-85544
 tobias.ullmann@uni-wuerzburg.de

Institut für Geographie und Geologie
Oswald-Külpe-Weg 86
97074 Würzburg

Campus Hubland Nord
Gebäude 86
Zimmer 02.005

nach Vereinbarung

  • Geomorphologie
  • Kanada, arktische Küstenregionen, Küstenmorphologie
  • Radar-Fernerkundung (SAR), Polarimetrie, Interferometrie

seit 10/2021
Akademischer Oberrat auf Zeit am Lehrstuhl für Physische Geographie, Universität Würzburg

09/2021        
Habilitation, Feststellung der Lehrbefähigung und Erteilung der Lehrbefugnis für das Fach „Physische Geographie“ durch die der Universität Würzburg

10/2015 - 09/2021
Akademischer Rat auf Zeit am Lehrstuhl für Physische Geographie, Universität Würzburg

02/2015 – 10/2015
Wissenschaftlicher Mitarbeiter am Lehrstuhl für Physische Geographie, Universität Würzburg

07/2015
Promotion zum Dr. rer. nat. Thema: Characterization of Arctic Environment by Means of Polarimetric Synthetic Aperture Radar (PolSAR) Data and Digital Elevation Models (DEM)

10/2011 – 02/2015
Doktorand am Lehrstuhl für Physische Geographie und  Promotionsstudium an der “Graduate School for Science and Technology, University of Würzburg (GSST)”

03/2011 – 09/2011
Diplomarbeit in Kooperation mit den EADS ASTRIUM GEO-information Services, infoterra GmbH und dem Deutschen Fernerkundungsdatenzentrum (DFD), Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) zum Thema: „Nutzen von polarimetrischen TerraSAR-X Daten für die Charakterisierung der Landbedeckung tropischer Regionen“

10/2005 – 09/2011
Studium der Geographie an der Universität Würzburg
Schwerpunkte: Physische Geographie und Fernerkundung
Nebenfächer: Statistik, Geologie

2023[ to top ]
  • Dhillon, M. S.; Dahms, T.; Kübert-Flock, C.; Liepa, A.; Rummler, T.; Arnault, J.; Steffan-Dewenter, I.; Ullmann, T. (2023): Impact of {STARFM} on Crop Yield Predictions: Fusing {MODIS} with Landsat 5, 7, and 8 {NDVIs} in Bavaria Germany. In: Remote Sensing, 15 (6), 1651.
  • Ullmann, T.; Jagdhuber, T.; Hoffmeister, D.; May, S. M.; Baumhauer, R.; Bubenzer, O. (2023): Exploring Sentinel-1 backscatter time series over the Atacama Desert (Chile) for seasonal dynamics of surface soil moisture. In: Remote Sensing of Environment, 285, 113413.
  • Kanmegne Tamga, D.; Latifi, H.; Ullmann, T.; Baumhauer, R.; Thiel, M.; Bayala, J. (2023): Modelling the spatial distribution of the classification error of remote sensing data in cocoa agroforestry systems. In: Agroforestry Systems, 97 (1), 109-19.
  • Dhillon, M. S.; Dahms, T.; Kuebert-Flock, C.; Rummler, T.; Arnault, J.; Steffan-Dewenter, I.; Ullmann, T. (2023): Integrating random forest and crop modeling improves the crop yield prediction of winter wheat and oil seed rape. In: Frontiers in Remote Sensing, 3, 1010978.
  • Dhillon, M. S.; Dahms, T.; Kuebert-Flock, C.; Rummler, T.; Arnault, J.; Stefan-Dewenter, I.; Ullmann, T. (2023): Integrating random forest and crop modeling improves the crop yield prediction of winter wheat and oil seed rape. In: Frontiers in Remote Sensing, 3
2022[ to top ]
  • Buchelt, S.; Skov, K.; Rasmussen, K. K.; Ullmann, T. (2022): Sentinel-1 time series for mapping snow cover depletion and timing of snowmelt in {Arctic} periglacial environments: case study from {Zackenberg} and {Kobbefjord}, {Greenland}. In: The Cryosphere, 16 (2), 625-46.
  • Kanmegne Tamga, D.; Latifi, H.; Ullmann, T.; Baumhauer, R.; Bayala, J.; Thiel, M. (2022): Estimation of {Aboveground} {Biomass} in {Agroforestry} {Systems} over {Three} {Climatic} {Regions} in {West} {Africa} {Using} {Sentinel}-1, {Sentinel}-2, {ALOS}, and {GEDI} {Data}. In: Sensors, 23 (1), 349.
  • Dhillon, M. S.; Dahms, T.; Kübert-Flock, C.; Steffan-Dewenter, I.; Zhang, J.; Ullmann, T. (2022): Spatiotemporal {Fusion} {Modelling} {Using} {STARFM}: {Examples} of {Landsat} 8 and {Sentinel}-2 {NDVI} in {Bavaria}. In: Remote Sensing, 14 (3), 677.
  • Lappe, R.; Ullmann, T.; Bachofer, F. (2022): State of the {Vietnamese} {Coast}—{Assessing} {Three} {Decades} (1986 to 2021) of {Coastline} {Dynamics} {Using} the {Landsat} {Archive}. In: Remote Sensing, 14 (10), 2476.
  • Rösch, M.; Sonnenschein, R.; Buchelt, S.; Ullmann, T. (2022): Comparing {PlanetScope} and {Sentinel}-2 {Imagery} for {Mapping} {Mountain} {Pines} in the {Sarntal} {Alps}, {Italy}. In: Remote Sensing, 14 (13), 3190.
  • Nill, L.; Grünberg, I.; Ullmann, T.; Gessner, M.; Boike, J.; Hostert, P. (2022): Arctic shrub expansion revealed by Landsat-derived multitemporal vegetation cover fractions in the Western Canadian Arctic. In: Remote Sensing of Environment, 281, 113228.
  • Kanmegne Tamga, D.; Latifi, H.; Ullmann, T.; Baumhauer, R.; Thiel, M.; Bayala, J. (2022): Modelling the spatial distribution of the classification error of remote sensing data in cocoa agroforestry systems. In: Agroforestry Systems, 11.
  • Ullmann, T.; Möller, E.; Baumhauer, R.; Lange-Athinodorou, E.; Meister, J. (2022): A new Google Earth Engine tool for spaceborne detection of buried palaeogeographical features – examples from the Nile Delta (Egypt). In: E&G Quaternary Science Journal, 71 (2), 243-47.
  • Kanmegne Tamga, D.; Latifi, H.; Ullmann, T.; Baumhauer, R.; Bayala, J.; Thiel, M. (2022): Estimation of Aboveground Biomass in Agroforestry Systems over Three Climatic Regions in West Africa Using Sentinel-1, Sentinel-2, ALOS, and GEDI Data. In: Sensors, 23 (349), 18.
2021[ to top ]
  • Cuthbertson, P.; Ullmann, T.; Büdel, C.; Varis, A.; Namen, A.; Seltmann, R.; Reed, D.; Taimagambetov, Z.; Iovita, R. (2021): Finding karstic caves and rockshelters in the {Inner} {Asian} mountain corridor using predictive modelling and field surveyhg. von Andrea Zerboni. In: Plos one, 16 (1), e0245170.
  • Arendt, R.; Reinhardt-Imjela, C.; Schulte, A.; Faulstich, L.; Ullmann, T.; Beck, L.; Martinis, S.; Johannes, P.; Lengricht, J. (2021): Natural {Pans} as an {Important} {Surface} {Water} {Resource} in the {Cuvelai} {Basin}—{Metrics} for {Storage} {Volume} {Calculations} and {Identification} of {Potential} {Augmentation} {Sites}. In: Water, 13 (2), 177.
  • Cuthbertson, P.; Ullmann, T.; Büdel, C.; Varis, A.; Namen, A.; Seltmann, R.; Reed, D.; Taimagambetov, Z.; Iovita, R. (2021): Correction: {Finding} karstic caves and rockshelters in the {Inner} {Asian} mountain corridor using predictive modelling and field survey. In: Plos one, 16 (4), e0250142.
  • Stanley, J.-D.; Ullmann, T.; Lange-Athinodorou, E. (2021): Holocene {Aridity}-{Induced} {Interruptions} of {Human} {Activity} along a {Fluvial} {Channel} in {Egypt}’s {Northern} {Delta}. In: Quaternary, 4 (4), 39.
  • Meister, J.; Lange-Athinodorou, E.; Ullmann, T. (2021): Preface: {Special} issue “{Geoarchaeology} of the {Nile} {Delta}”. In: E\&G Quaternary Science Journal, 70 (2), 187-90.
  • Meister, J.; Garbe, P.; Trappe, J.; Ullmann, T.; Es-Senussi, A.; Baumhauer, R.; Lange-Athinodorou, E.; El-Raouf, A. A. (2021): The {Sacred} {Waterscape} of the {Temple} of {Bastet} at {Ancient} {Bubastis}, {Nile} {Delta} ({Egypt}). In: Geosciences, 11 (9), 385.
2020[ to top ]
  • Ullmann, T.; Nill, L.; Schiestl, R.; Trappe, J.; Lange-Athinodorou, E.; Baumhauer, R.; Meister, J. (2020): Mapping buried paleogeographical features of the {Nile} {Delta} ({Egypt}) using the {Landsat} archive. In: E\&G Quaternary Science Journal, 69 (2), 225-45.
  • Ullmann, T.; Stauch, G. (2020): Surface {Roughness} {Estimation} in the {Orog} {Nuur} {Basin} ({Southern} {Mongolia}) {Using} {Sentinel}-1 {SAR} {Time} {Series} and {Ground}-{Based} {Photogrammetry}. In: Remote Sensing, 12 (19), 3200.
  • Forkuor, G.; Ullmann, T.; Griesbeck, M. (2020): Mapping and Monitoring Small-Scale Mining Activities in Ghana using Sentinel-1 Time Series (2015{\textendash}2019). In: Remote Sensing, 12 (6), 911.
  • Forkuor, G.; Ullmann, T.; Griesbeck, M. (2020): Mapping and {Monitoring} {Small}-{Scale} {Mining} {Activities} in {Ghana} using {Sentinel}-1 {Time} {Series} (2015–2019). In: Remote Sensing, 12 (6), 911.
2019[ to top ]
  • Ullmann, T.; Lange-Athinodorou, E.; Göbel, A.; Büdel, C.; Baumhauer, R. (2019): Preliminary results on the paleo-landscape of {Tell} {Basta} /{Bubastis} (eastern {Nile} delta): {An} integrated approach combining {GIS}-{Based} spatial analysis, geophysical and archaeological investigations. In: Quaternary International, 511, 185-99.
  • Nill, L.; Ullmann, T.; Kneisel, C.; Sobiech-Wolf, J.; Baumhauer, R. (2019): Assessing {Spatiotemporal} {Variations} of {Landsat} {Land} {Surface} {Temperature} and {Multispectral} {Indices} in the {Arctic} {Mackenzie} {Delta} {Region} between 1985 and 2018. In: Remote Sensing, 11 (19), 2329.
  • Lange-Athinodorou, E.; El-Raouf, A. A.; Ullmann, T.; Trappe, J.; Meister, J.; Baumhauer, R. (2019): The sacred canals of the {Temple} of {Bastet} at {Bubastis} ({Egypt}): {New} findings from geomorphological investigations and {Electrical} {Resistivity} {Tomography} ({ERT}). In: Journal of Archaeological Science: Reports, 26, 101910.
  • Kunz, J.; Kneisel, C.; Ullmann, T.; Baumhauer, R. (2019): Multi-methodological investigation of permafrost related landforms in the {Northwest} {Territories}, {Canada}
  • Ahmadian, N.; Ullmann, T.; Verrelst, J.; Borg, E.; Zölitz, R.; Conrad, C. (2019): Biomass {Assessment} of {Agricultural} {Crops} {Using} {Multi}-temporal {Dual}-{Polarimetric} {TerraSAR}-{X} {Data}. In: PFG – Journal of Photogrammetry, Remote Sensing and Geoinformation Science, 87 (4), 159-75.
  • Ullmann, T.; Serfas, K.; Büdel, C.; Padashi, M.; Baumhauer, R. (2019): Data {Processing}, {Feature} {Extraction}, and {Time}-{Series} {Analysis} of {Sentinel}-1 {Synthetic} {Aperture} {Radar} ({SAR}) {Imagery}: {Examples} from {Damghan} and {Bajestan} {Playa} ({Iran}). In: Zeitschrift für Geomorphologie, Supplementary Issues, 62 (1), 9-39.
2017[ to top ]
  • Ullmann, T.; Banks, S. N.; Schmitt, A.; Jagdhuber, T. (2017): Scattering {Characteristics} of {X}-, {C}- and {L}-{Band} {PolSAR} {Data} {Examined} for the {Tundra} {Environment} of the {Tuktoyaktuk} {Peninsula}, {Canada}. In: Applied Sciences, 7 (6), 595.
  • Banks, S.; Millard, K.; Behnamian, A.; White, L.; Ullmann, T.; Charbonneau, F.; Chen, Z.; Wang, H.; Pasher, J.; Duffe, J. (2017): Contributions of {Actual} and {Simulated} {Satellite} {SAR} {Data} for {Substrate} {Type} {Differentiation} and {Shoreline} {Mapping} in the {Canadian} {Arctic}. In: Remote Sensing, 9 (12), 1206.
  • Ullmann, T.; Büdel, C.; Baumhauer, R. (2017): Characterization of {Arctic} {Surface} {Morphology} by {Means} of {Intermediated} {TanDEM}-{X} {Digital} {Elevation} {Model} {Data}. In: Zeitschrift für Geomorphologie, Supplementary Issues, 61 (1), 3-25.
2016[ to top ]
  • Ullmann, T.; Schmitt, A.; Jagdhuber, T. (2016): Two {Component} {Decomposition} of {Dual} {Polarimetric} {HH}/{VV} {SAR} {Data}: {Case} {Study} for the {Tundra} {Environment} of the {Mackenzie} {Delta} {Region}, {Canada}. In: Remote Sensing, 8 (12), 1027.
  • Tobias, U.; Christian, B.; Roland, B.; Majid, P. (2016): Sentinel-1 {SAR} {Data} {Revealing} {Fluvial} {Morphodynamics} in {Damghan} ({Iran}): {Amplitude} and {Coherence} {Change} {Detection}. In: International Journal of Earth Science and Geophysics, 2 (1)
  • Lange, E.; Ullmann, T.; Baumhauer, R. (2016): Remote sensing in the {Nile} {Delta}: {Spatio}-{Temporal} {Analysis} of {Bubastis} / {Tell} {Basta}. In: Ägypten und Levante, 26, 377-92.
2015[ to top ]
  • Lange-Athinodorou, E. (2015): Goddess on the water: research on the sacred landscape of {Bubastis}. In: Egyptian Archaeology, 47, 17-19.
  • Kuenzer, C.; Klein, I.; Ullmann, T.; Georgiou, E.; Baumhauer, R.; Dech, S. (2015): Remote {Sensing} of {River} {Delta} {Inundation}: {Exploiting} the {Potential} of {Coarse} {Spatial} {Resolution}, {Temporally}-{Dense} {MODIS} {Time} {Series}. In: Remote Sensing, 7 (7), 8516-42.
2014[ to top ]
  • Ullmann, T.; Schmitt, A.; Roth, A.; Duffe, J.; Dech, S.; Hubberten, H.-W.; Baumhauer, R. (2014): Land {Cover} {Characterization} and {Classification} of {Arctic} {Tundra} {Environments} by {Means} of {Polarized} {Synthetic} {Aperture} {X}- and {C}-{Band} {Radar} ({PolSAR}) and {Landsat} 8 {Multispectral} {Imagery} — {Richards} {Island}, {Canada}. In: Remote Sensing, 6 (9), 8565-93.
2013[ to top ]
  • Ullmann, T.; Schmitt, A.; Roth, A.; Banks, S.; Baumhauer, R.; Dech, S. (2013): {CLASSIFICATION} {OF} {COASTAL} {ARCTIC} {LAND} {COVER} {BY} {MEANS} {OF} {TERRASAR}-{X} {DUAL} {CO}-{POLARIZED} {DATA}
2012[ to top ]
  • Beyhan, B.; Taubenböck, H.; Suffa, S.; Ullmann, T.; Rauh, J.; Dech, S. (2012): Urban {Growth} and {Sprawl} of {Mersin} {City}, {Turkey}: {Change} analysis based on {Earth} {Observation} and {Socio}-{Economic} {Data}. In: Megaron, 7, 3-25.
2011[ to top ]
  • Esch, T.; Schenk, A.; Ullmann, T.; Thiel, M.; Roth, A.; Dech, S. (2011): Characterization of {Land} {Cover} {Types} in {TerraSAR}-{X} {Images} by {Combined} {Analysis} of {Speckle} {Statistics} and {Intensity} {Information}. In: IEEE Transactions on Geoscience and Remote Sensing, 49 (6), 1911-25.
  • Esch, T.; Schenk, A.; Ullmann, T.; Thiel, M.; Roth, A.; Dech, S. (2011): Characterization of Land Cover Types in TerraSAR-S Images by Combined Analysis of Speckle Statistics and Intensity Information. In: IEEE Transactions on Geoscience and Remote Sensing, 49 (6), 1911-25.
2010[ to top ]
  • Esch, T.; Schenk, A.; Thiel, M.; Ullmann, T.; Schmidt, M.; Dech, S. (2010): Land cover classification based on single-polarized {VHR} {SAR} images using texture information derived via speckle analysis. In: 2010 {IEEE} {International} {Geoscience} and {Remote} {Sensing} {Symposium}Seiten, 1875-78.
2009[ to top ]
  • Scheuchl, B.; Ullmann, T.; Koudogbo, F. (2009): Change {Detection} using high resolution {TerraSAR}-{X} data preliminary results. In: Remote Sensing and Spatial Information Sciences, 38

2012[ to top ]
  • Ullmann, T.; Lumsdon, P.; v. Poncet, F.; Thomas, E.; Oliver, L.; Marek, T.; Steffen, K.; Dech, S. (2012): Application of Quadpolarimetric Terrasar-X Data for Landcover Characterization in Tropical Regions ? A Case Study in South Kalimantan, Indonesia. In: IEEE Proceedings IGARSS 2012IEEE ProceedingsSeiten, 5133-36.
2010[ to top ]
  • Esch, T.; Schenk, A.; Thiel, M.; Ullmann, T.; Schmidt, M.; Dech, S. W. (2010): Land cover classification based on single-polarized VHR SAR images using texture information derived via speckle analysis.. In: IgarssSeiten, 1875-78.
  • Taubenb{\"o}ck, H.; Wegmann, M.; Wurm, M.; Ullmann, T.; Dech, S. (2010): The global trend of urbanization - Spatiotemporal analysis of megacities using multitemporal remote sensing, landscape metrics and gradient analysis. In: Proceedings of SPIE Europe Remote SensingSeiten, 1-20.
2008[ to top ]
  • Taubenb{\"o}ck, H.; Esch, T.; Wurm, M.; Thiel, M.; Ullmann, T.; Roth, A.; Schmidt, M.; Mehl, H.; Dech, S. (2008): Urban structure analysis of mega city Mexico City using multisensoral remote sensing data. In: Spie Europe Remote Sensing 2008, 1-12.