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Validation of Glacier Topographic Acquisitions from an Airborne Single-Pass Interferometer

Delwyn Moller, Scott Hensley, Jeremie Mouginot, Joshua Willis, Xiaoqing Wu, Christopher Larsen, Eric Rignot, Ronald Muellerschoen, Ala Khazendar
2019 Sensors  
The airborne glacier and ice surface topography interferometer (GLISTIN-A) is a single-pass radar interferometer developed for accurate high-resolution swath mapping of dynamic ice surfaces.  ...  We present the first validation results of the operational sensor, collected in 2013 over glaciers in Alaska and followed by more exhaustive collections from Greenland in 2016 and 2017.  ...  (single-pass data) to have an (absolute) bias of up to 1-2 m.  ... 
doi:10.3390/s19173700 fatcat:cv6b6tzihrdddlzfb4zkowrxwu

Bare Earth DEM Generation for Large Floodplains Using Image Classification in High-Resolution Single-Pass InSAR

Drew Faherty, Guy J.-P. Schumann, Delwyn K. Moller
2020 Frontiers in Earth Science  
Validation of glacier topographic acquisitions from an airborne single-pass interferometer.  ...  The glacier and land ice surface topography interferometer: an airborne proof-of-concept demonstration of high-precision ka-band single-pass elevation mapping. IEEE Trans. Geosci.  ... 
doi:10.3389/feart.2020.00027 fatcat:fvxphp7yindh5mm3nwnthsrswy

The Glacier and Land Ice Surface Topography Interferometer: An Airborne Proof-of-Concept Demonstration of High-Precision Ka-Band Single-Pass Elevation Mapping

Delwyn Moller, Scott Hensley, Gregory A. Sadowy, Charles D. Fisher, Thierry Michel, Mark Zawadzki, Eric Rignot
2011 IEEE Transactions on Geoscience and Remote Sensing  
Deployed on the NASA Gulfstream III, initial engineering flights in March and April 2009 marked the first airborne demonstration of single-pass cross-track interferometry at Ka-band.  ...  Toward that end, coordinated flights with the NASA Wallops Airborne Topographic Mapper lidar were conducted in addition to establishing ground calibration sites at both the Summit Station of the National  ...  In this paper, we describe an airborne implementation and first results from a measurement campaign that acquired Ka-band single-pass interferometric radar data over a significant swath.  ... 
doi:10.1109/tgrs.2010.2057254 fatcat:gyzjf6kg4bbz7i7g7mxwzqcqxe

Synthetic aperture radar interferometry

P.A. Rosen, S. Hensley, I.R. Joughin, F.K. Li, S.N. Madsen, E. Rodriguez, R.M. Goldstein
2000 Proceedings of the IEEE  
Synthetic aperture radar interferometry is an imaging technique for measuring the topography of a surface, its changes over time, and other changes in the detailed characteristics of the surface.  ...  By exploiting the phase of the coherent radar signal, interferometry has transformed radar remote sensing from a largely interpretive science to a quantitative tool, with applications in cartography, geodesy  ...  The European Space Agency and the National Space Development Agency of Japan provided ERS-1/2 and JERS data, respectively, through research initiatives.  ... 
doi:10.1109/5.838084 fatcat:p6htog22o5hb5foaou5ax3pt4a

Mapping the world's topography using radar interferometry: the TOPSAT mission

H.A. Zebker, T.G. Farr, R.P. Salazar, T.H. Dixon
1994 Proceedings of the IEEE  
Global-scde topographic data are offundamental importance to many Earth science studies, and obtaining these data is U priority j;ifi,r. the Earth science communiry.  ...  with accuracies of 2 and 30 m in the \ and horizontal directions, respectively.  ...  geometries from either airborne or spaceborne platforms.  ... 
doi:10.1109/5.338070 fatcat:sfnaasp3dzhmngeojr5ddynyam

Technology Demonstration of Ka-band Digitally-Beam formed Radar for Ice Topography Mapping

Gregory Sadowy, Brandon Heavey, Delwyn Moller, Eric Rignot, Mark Zawadzki, Sembiam Rengarajan
2007 2007 IEEE Aerospace Conference  
GLISTIN (Glacier and Land Ice Surface Topography Interferometer) is a spaceborne interferometric synthetic aperture radar for topographic mapping of ice sheets and glaciers.  ...  This paper will give an overview of the system design and key technology demonstrations including a Im x Im digitally-beamformed Ka-band waveguide slot antenna with integrated digital receivers.  ...  Spaceborne Instrument design A Ka-band single-pass InSAR is ideally suited to meet the requirements for glacier and ice sheets.  ... 
doi:10.1109/aero.2007.353074 fatcat:dqztryu5t5af3gwqp7ll3c6x4y

Forest Biomass Retrieval From L-Band SAR Using Tomographic Ground Backscatter Removal

Erik Blomberg, Laurent Ferro-Famil, Maciej J. Soja, Lars M. H. Ulander, Stefano Tebaldini
2018 IEEE Geoscience and Remote Sensing Letters  
It is concluded that tomography using SAOCOM-CS represents an improvement over an airborne SAR imagery, resulting in biomass retrievals from a single polarization (HH) having a 26%-30% root-mean-square  ...  Both data sets are in turn compared with the corresponding airborne case, as represented by experimental airborne SAR through processing of the original SAR data.  ...  ACKNOWLEDGMENT The authors would like to thank the Department of Forest Resource Management at the Swedish University of Agricultural Sciences for field data collection and processing of forestry and lidar  ... 
doi:10.1109/lgrs.2018.2819884 fatcat:decqxminnvesfg573mrpxhmz2i

Assessment of CryoSat-2 interferometric and non-interferometric SAR altimetry over ice sheets

Malcolm McMillan, Andrew Shepherd, Alan Muir, Julia Gaudelli, Anna E. Hogg, Robert Cullen
2018 Advances in Space Research  
elevations recorded at orbital cross-overs, and a $30% lower RMSD of elevation rates relative to Operation IceBridge airborne altimeter measurements.  ...  This analysis demonstrates the value that the interferometer adds to the current CryoSat-2 configuration, and highlights the importance for non-interferometric SAR Level-2 processing of the auxiliary data  ...  Acknowledgements This work was supported by the UK Natural Environment Research Council Centre for Polar Observation and Modelling (award cpom300001), and a grant from the European Space Agency (CryoSat  ... 
doi:10.1016/j.asr.2017.11.036 fatcat:3wmk2wrxfnfujgoqpvwdokpcca

Very-High-Resolution Airborne Synthetic Aperture Radar Imaging: Signal Processing and Applications

Andreas Reigber, Rolf Scheiber, Marc Jager, Pau Prats-Iraola, Irena Hajnsek, Thomas Jagdhuber, Konstantinos P. Papathanassiou, Matteo Nannini, Esteban Aguilera, Stefan Baumgartner, Ralf Horn, Anton Nottensteiner (+1 others)
2013 Proceedings of the IEEE  
In many cases, information extraction from high-resolution airborne SAR imagery has achieved a mature level, turning SAR technology more and more into an operational tool.  ...  A description of the specific requirements of high-resolution airborne data processing is presented, followed by an extensive overview of emerging applications of high-resolution SAR.  ...  Acquisition of airborne interferometric SAR data. Single-pass acquisition is possible with two antennas mounted on the same platform and is used for generating digital elevation models (DEMs).  ... 
doi:10.1109/jproc.2012.2220511 fatcat:rcfgf3agi5elha6pcjjyyzr7cu

GPS Campaigns for Validation of InSAR Derived DEMs

InSu Lee, Hsing-Chung Chang, Linlin Ge
2005 Journal of Global Positioning Systems  
Additionally, Airborne Laser Scanning (ALS) is expected to be an alternative as an effective tool for the validation of DEMs.  ...  Spectacular results that are obtained in various fields, such as the monitoring of earthquakes, volcanoes, land subsidence and glacier dynamics, as well as in the construction of Digital Elevation Models  ...  Acknowledgements This work was supported by the Post-doctoral Fellowship Program of Korea Science & Engineering Foundation (KOSEF).  ... 
doi:10.5081/jgps.4.1.82 fatcat:dxozfurmajcp5doooe6jwmdsea


A. Sharifi, M. Hosseingholizadeh
2019 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
on the perpendicular component of the interferometer baseline.  ...  0.07 ~ 5.81 m, while the InSAR original DEM has an accuracy of 0.29 ~ 14.62 m.  ...  Repeat-pass interferometers suffer from lack of coherence due to temporal decorrelation; coherence may take any values between 0 for water areas and approximately 0.9 for dry soil and rock.  ... 
doi:10.5194/isprs-archives-xlii-4-w18-985-2019 fatcat:d2fnjaq3yfdtxjvaix4b4axxfu

Generation of Highly Accurate DEMs Over Flat Areas by Means of Dual-Frequency and Dual-Baseline Airborne SAR Interferometry

Muriel Pinheiro, Andreas Reigber, Rolf Scheiber, Pau Prats-Iraola, Alberto Moreira
2018 IEEE Transactions on Geoscience and Remote Sensing  
The configuration profits from the stability of the single-pass derived elevation maps in relation to spatially correlated artifacts as well as from the increased sensitivity associated with large-baseline  ...  Elevation models generated from a DFDB data set acquired with the airborne F-SAR sensor over tidal flats in northern Germany are presented, and comparisons with an airborne laser scanner reference show  ...  Fig. 7 shows, in black curve, an example of residual phase extracted from the F-SAR single-pass InSAR data.  ... 
doi:10.1109/tgrs.2018.2817122 fatcat:ak3b35k2rzd6njrx6fuvvwtiya

CryoSat-2 swath interferometric altimetry for mapping ice elevation and elevation change

N. Gourmelen, M.J. Escorihuela, A. Shepherd, L. Foresta, A. Muir, A. Garcia-Mondéjar, M. Roca, S.G. Baker, M.R. Drinkwater
2018 Advances in Space Research  
Here we show how the interferometric mode of CryoSat-2 can be used to map broad (5 kmwide) swaths of surface elevation with fine (500 m) spatial resolution from each satellite pass, providing a step-change  ...  ice elevation change of: (iv) the Amundsen Sea sector (West Antarctica), (v) Icelandic ice caps, and (vi) above an active subglacial lake system at Thwaites Glacier (Antarctica), each at 500 m spatial  ...  elevation change from the NASA Operation IceBridge (OIB) Airborne Topographic Mapper (ATM) campaigns (Krabill 2016, Krabill 2015).  ... 
doi:10.1016/j.asr.2017.11.014 fatcat:eoug3dzirfbqllbnjguksujio4

Polarimetric Behaviour for the Derivation of Sea Ice Topographic Height from TanDEM-X Interferometric SAR Data

Lanqing Huang, Irena Hajnsek
2020 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  
Single-pass interferometric synthetic aperture radar (InSAR) is an effective technique for sea ice topographic retrieval despite the inherent dynamics of sea ice.  ...  The study of polarimetric behavior for the InSAR DEM is, therefore, a step forward toward accurate modeling of sea ice topography from polarimetric single-pass InSAR data.  ...  Fischer from DLR and Dr. S. Leinss from ETH for the constructive comments of the whole article, like to thank Dr. J. S.  ... 
doi:10.1109/jstars.2020.3036395 fatcat:ivuftjtxanhxxgakh4tgiq3seu

Mapping slope movements in Alpine environments using TerraSAR-X interferometric methods

Chloé Barboux, Tazio Strozzi, Reynald Delaloye, Urs Wegmüller, Claude Collet
2015 ISPRS journal of photogrammetry and remote sensing (Print)  
Investigations are conducted in a study region of about 6 km 6 km located in the Western Swiss Alps using a unique large data set of 140 DInSAR scenes computed from 51 summer TerraSAR-X (TSX) acquisitions  ...  from 2008 to 2012.  ...  SwissAlti3D DEM has an estimated vertical accuracy of 1-3 m for an original 2 m pixel spacing and is based on airborne laser scanning for heights up to 2000 m and on stereocorrelation of airborne images  ... 
doi:10.1016/j.isprsjprs.2015.09.010 fatcat:gafabl6p4vashg36i6awy7onrq
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