Articles | Volume 15, issue 1
https://doi.org/10.5194/gi-15-39-2026
https://doi.org/10.5194/gi-15-39-2026
Research article
 | 
23 Jan 2026
Research article |  | 23 Jan 2026

One-day repeat pass interferometry highlights the role of temporal baseline on digital elevation models retrieved from Sentinel-1

Andreas Braun

Related authors

MULTIPLE ENDMEMBER SPECTRAL MIXTURE ANALYSIS OF DESIS IMAGE TO IDENTIFY ROOFTOPS IN KIGALI
J. G. Matabishi, A. Braun, and G. Warth
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-1-W1-2021, 39–47, https://doi.org/10.5194/isprs-archives-XLVI-1-W1-2021-39-2022,https://doi.org/10.5194/isprs-archives-XLVI-1-W1-2021-39-2022, 2022

Cited articles

Bamler, R. and Hartl, P.: Synthetic aperture radar interferometry, Inverse Problems, 14, 4, https://doi.org/10.1088/0266-5611/14/4/001, 1998. 
Barat, I., Prats-Iraola, P., Duesmann, B., and Geudtner, D.: Sentinel-1: Link between Orbit Control and Interferometric SAR Baselines Performance, ISSFD 2015, 1–11, 2015. 
Braun, A.: Retrieval of digital elevation models from Sentinel-1 radar data – open applications, techniques, and limitations, Open Geosciences, 13, 532–569, https://doi.org/10.1515/geo-2020-0246, 2021. 
Brovelli, M., Sansò, F., and Triglione, D.: Different Approaches For Outliers DetectionIn Digital Terrain Models And Gridded Surfaces Within The Grass Geographic Information System Environment, The International Archives of Photogrammetry and Remote Sensing, XXXII, 1–8, 1999. 
C3S: ERA5 hourly data on single levels from 1940 to present, Copernicus Climate Change Service (C3S) Climate Data Store (CDS), https://doi.org/10.24381/CDS.ADBB2D47, 2018. 
Download
Short summary
The study examines how new satellite images can be used to create detailed maps of Earth’s surface height. Analysis of Sentinel-1C data shows that very short time gaps between images produce the most accurate results in the study area, while longer gaps reduce quality, especially over forests and steep terrain. The findings give insights on the data quality achievable by 1-day repeat-pass interferometry by Sentinel-1.
Share