Mesoscale soil moisture estimation from SAR data using subscale landuse information. - Alexander Löw; Ralf Ludwig; Wolfram Mauser (IGARSS, 2003)

Derivation of hydrological parameters from ENVISAT ASAR wide swath data. - Alexander Löw; Björn Waske; Ralf Ludwig; Wolfram Mauser (IGARSS, 2004)

Operational monitoring of the snow cover dynamics in Southern Germany: capabilities of optical and microwave remote sensing for improved flood forecast. - Florian Appel; Heike Bach; Alexander Loew; Ralf Ludwig; Wolfram Mauser; Werner Schulz (IGARSS, 2005)

Derivation of near surface soil moisture patterns from ENVISAT ASAR data. - Alexander Löw; Ralf Ludwig; Wolfram Mauser (IGARSS, 2005)

Derivation of surface soil moisture from ENVISAT ASAR wide swath and image mode data in agricultural areas. - Alexander Loew; Ralf Ludwig; Wolfram Mauser (IEEE Trans. Geosci. Remote. Sens., 2006)

SAPHIRE: intelligent healthcare monitoring based on semantic interoperability platform: pilot applications. - Oliver Nee; Andreas Hein 001; Thorsten Gorath; Nils Hulsmann; Gokce Laleci; Mustafa Yuksel; Mustafa Olduz; Ibrahim Tasyurt; Umut Orhan; Asuman Dogac; Ana Fruntelata; Silvin Ghiorghe; et al. (IET Commun., 2008)

Work in progress: MiceNet: Monitoring behaviour of laboratory mice with sensor networks. - Grigore Stamatescu; Kay Römer; Ralf Ludwig; Saleh M. Ibrahim; Valentin Sgarciu (DCOSS, 2011)

Sensitivity of C-band polarimetric SAR data to the soil surface parameters over bare agriculture fields. - Nicolas N. Baghdadi; Mehrez Zribi; Ralf Ludwig (IGARSS, 2012)

Operational surface soil moisture retrieval by c-band SAR imagery in a semi-arid environment. - Lu Dong; Philip Marzahn; Ralf Ludwig (IGARSS, 2012)

"Flashing Fields" and the impact of soil surface roughness. - Philip Marzahn; Urs Wegmüller; Francesco Mattia; Ralf Ludwig (IGARSS, 2012)

Decomposing Dual Scale Soil Surface Roughness for Microwave Remote Sensing Applications. - Philip Marzahn; Moritz Seidel; Ralf Ludwig (Remote. Sens., 2012)

Validation of the AIEM Through Correlation Length Parameterization at Field Scale Using Radar Imagery in a Semi-Arid Environment. - Lu Dong; Nicolas N. Baghdadi; Ralf Ludwig (IEEE Geosci. Remote. Sens. Lett., 2013)

Identification of Soil Freezing and Thawing States Using SAR Polarimetry at C-Band. - Thomas Jagdhuber; Julia Stockamp; Irena Hajnsek; Ralf Ludwig (Remote. Sens., 2014)

Simulating L/L-band and C/L-band active-passive microwave covariation of crops with the Tor Vergata scattering and emission model for a SMAP-Sentinel 1 combination. - Moritz Link; Dara Entekhabi; Thomas Jagdhuber; Paolo Ferrazzoli; Leila Guerriero; Martin J. Baur; Ralf Ludwig (IGARSS, 2017)

Comparison of TerraSAR-X and ALOS PALSAR Differential Interferometry With Multisource DEMs for Monitoring Ground Displacement in a Discontinuous Permafrost Region. - Lingxiao Wang 008; Philip Marzahn; Monique Bernier; Andres Jacome; Jimmy Poulin; Ralf Ludwig (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2017)

Vegetation Effects on Covariations of L-Band Radiometer and C-Band/L-Band Radar Observations. - Moritz Link; Dara Entekhabi; Thomas Jagdhuber; Paolo Ferrazzoli; Leila Guerriero; Martin J. Baur; Ralf Ludwig (IGARSS, 2018)

An automatic change detection approach for rapid flood mapping in Sentinel-1 SAR data. - Yu Li 020; Sandro Martinis; Simon Plank; Ralf Ludwig (Int. J. Appl. Earth Obs. Geoinformation, 2018)

Detection of Temporary Flooded Vegetation Using Sentinel-1 Time Series Data. - Viktoriya Tsyganskaya; Sandro Martinis; Philip Marzahn; Ralf Ludwig (Remote. Sens., 2018)

Surface Soil Moisture Retrieval Using Optical/Thermal Infrared Remote Sensing Data. - Yawei Wang 001; Jian Peng 006; Xiaoning Song; Pei Leng; Ralf Ludwig; Alexander Loew (IEEE Trans. Geosci. Remote. Sens., 2018)

Comparison of LiDAR and Digital Aerial Photogrammetry for Characterizing Canopy Openings in the Boreal Forest of Northern Alberta. - Annette Dietmaier; Gregory J. McDermid; Mir Mustafizur Rahman; Julia Linke; Ralf Ludwig (Remote. Sens., 2019)

Can We Use Satellite-Based FAPAR to Detect Drought? - Jian Peng 006; Jan-Peter Muller; Simon Blessing; Ralf Giering; Olaf Danne; Nadine Gobron; Saïd Kharbouche; Ralf Ludwig; Ben Müller; Guoyong Leng; Qinglong You; Zheng Duan; et al. (Sensors, 2019)

Monitoring of a Sea-Dike in Northern Germany by Means of ERS-1, ENVISAT/ASAR, and Sentinel-1 SAR Interferometry. - Moritz Seidel; Philip Marzahn; Ralf Ludwig (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019)

Global assessments of two blended microwave soil moisture products CCI and SMOPS with in-situ measurements and reanalysis data. - Yawei Wang 001; Pei Leng; Jian Peng 006; Philip Marzahn; Ralf Ludwig (Int. J. Appl. Earth Obs. Geoinformation, 2021)

Assessing the Performance of a Machine Learning-Based Hybrid Model in Downscaling Precipitation Data. - Nazak Rouzegari; Vahid Nourani; Ralf Ludwig; Patrick Laux (ICHSA, 2022)

Retrieving Freeze/Thaw Cycles Using Sentinel-1 Data in Eastern Nunavik (Québec, Canada). - Yueli Chen; Lingxiao Wang 008; Monique Bernier; Ralf Ludwig (Remote. Sens., 2022)

Physics-aware Machine Learning Revolutionizes Scientific Paradigm for Machine Learning and Process-based Hydrology. - Qingsong Xu; Yilei Shi; Jonathan L. Bamber; Ye Tuo; Ralf Ludwig; Xiao Xiang Zhu 001 (CoRR, 2023)

Retrieving freeze-thaw states using deep learning with remote sensing data in permafrost landscapes. - Yueli Chen; Shile Li; Lingxiao Wang 008; Magdalena Mittermeier; Monique Bernier; Ralf Ludwig (Int. J. Appl. Earth Obs. Geoinformation, 2024)

Quantification of Soil-Water Erosion Using the RUSLE Method in the Mékrou Watershed (Middle Niger River). - Rachid Abdourahamane Attoubounou; Hamidou Diawara; Ralf Ludwig; Julien Adounkpe (ISPRS Int. J. Geo Inf., 2025)