Surface Roughness Estimation in the Orog Nuur Basin (Southern Mongolia) using Sentinel-1 SAR Time Series and Ground-Based Photogrammetry

by Tobias Ullmann, Georg Stauch
Published 2020-09-01

The Impact of Phenological Developments on Interferometric and Polarimetric Crop Signatures Derived from Sentinel-1: Examples from the DEMMIN Study Site (Germany)

by Johannes Löw, Tobias Ullmann, Christopher Conrad
Published 2021-07-01

Mapping and Monitoring Small-Scale Mining Activities in Ghana using Sentinel-1 Time Series (2015–2019)

by Gerald Forkuor, Tobias Ullmann, Mario Griesbeck
Published 2020-03-01

Two Component Decomposition of Dual Polarimetric HH/VV SAR Data: Case Study for the Tundra Environment of the Mackenzie Delta Region, Canada

by Tobias Ullmann, Andreas Schmitt, Thomas Jagdhuber
Published 2016-12-01

Scattering Characteristics of X-, C- and L-Band PolSAR Data Examined for the Tundra Environment of the Tuktoyaktuk Peninsula, Canada

by Tobias Ullmann Sarah N. Banks, Andreas Schmitt, Thomas Jagdhuber
Published 2017-06-01

Integration of Optical and Synthetic Aperture Radar Imagery for Improving Crop Mapping in Northwestern Benin, West Africa

by Gerald Forkuor, Christopher Conrad, Michael Thiel, Tobias Ullmann, Evence Zoungrana
Published 2014-07-01

Assessing Spatiotemporal Variations of Landsat Land Surface Temperature and Multispectral Indices in the Arctic Mackenzie Delta Region between 1985 and 2018

by Leon Nill, Tobias Ullmann, Christof Kneisel, Jennifer Sobiech-Wolf, Roland Baumhauer
Published 2019-10-01

Urban Growth and Sprawl of Mersin City, Turkey: Change Analysis Based on Earth Observation and Socio-Economic Data

by Burak BEYHAN, Hannes TAUBENBÖCK, Simon SUFFA, Tobias ULLMANN, Jürgen RAUH, Stefan DECH
Published 2012-02-01

Remote Sensing of River Delta Inundation: Exploiting the Potential of Coarse Spatial Resolution, Temporally-Dense MODIS Time Series

by Claudia Kuenzer, Igor Klein, Tobias Ullmann, Efi Foufoula Georgiou, Roland Baumhauer, Stefan Dech
Published 2015-07-01

Modelling Crop Biomass from Synthetic Remote Sensing Time Series: Example for the DEMMIN Test Site, Germany

by Maninder Singh Dhillon, Thorsten Dahms, Carina Kuebert-Flock, Erik Borg, Christopher Conrad, Tobias Ullmann
Published 2020-06-01

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 Image...

by Tobias Ullmann, Andreas Schmitt, Achim Roth, Jason Duffe, Stefan Dech, Hans-Wolfgang Hubberten, Roland Baumhauer
Published 2014-09-01

Finding karstic caves and rockshelters in the Inner Asian mountain corridor using predictive modelling and field survey.

by Patrick Cuthbertson, Tobias Ullmann, Christian Büdel, Aristeidis Varis, Abay Namen, Reimar Seltmann, Denné Reed, Zhaken Taimagambetov, Radu Iovita
Published 2021-01-01

Correction: Finding karstic caves and rockshelters in the Inner Asian mountain corridor using predictive modelling and field survey.

by Patrick Cuthbertson, Tobias Ullmann, Christian Büdel, Aristeidis Varis, Abay Namen, Reimar Seltmann, Denné Reed, Zhaken Taimagambetov, Radu Iovita
Published 2021-01-01

Natural Pans as an Important Surface Water Resource in the Cuvelai Basin—Metrics for Storage Volume Calculations and Identification of Potential Augmentation Sites

by Robert Arendt, Christian Reinhardt-Imjela, Achim Schulte, Leona Faulstich, Tobias Ullmann, Lorenz Beck, Sandro Martinis, Petrina Johannes, Joachim Lengricht
Published 2021-01-01

Contributions of Actual and Simulated Satellite SAR Data for Substrate Type Differentiation and Shoreline Mapping in the Canadian Arctic

by Sarah Banks, Koreen Millard, Amir Behnamian, Lori White, Tobias Ullmann, Francois Charbonneau, Zhaohua Chen, Huili Wang, Jon Pasher, Jason Duffe
Published 2017-11-01

The Sacred Waterscape of the Temple of Bastet at Ancient Bubastis, Nile Delta (Egypt)

by Julia Meister, Philipp Garbe, Julian Trappe, Tobias Ullmann, Ashraf Es-Senussi, Roland Baumhauer, Eva Lange-Athinodorou, Amr Abd El-Raouf
Published 2021-09-01