Articles | Volume 14, issue 11
https://doi.org/10.5194/essd-14-5111-2022
https://doi.org/10.5194/essd-14-5111-2022
Data description paper
 | 
22 Nov 2022
Data description paper |  | 22 Nov 2022

Processing methodology for the ITS_LIVE Sentinel-1 ice velocity products

Yang Lei, Alex S. Gardner, and Piyush Agram

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Cited articles

Andersen, J. K., Kusk, A., Boncori, J. P. M., Hvidberg, C. S., and Grinsted, A.: Improved ice velocity measurements with Sentinel-1 TOPS interferometry, Remote Sensing, 12, 2014, https://doi.org/10.3390/rs12122014, 2020. 
Bamber, J. L. and Rivera, A.: A review of remote sensing methods for glacier mass balance determination, Global Planet. Change, 59, 138–148, 2007. 
Bechor, N. B. and Zebker, H. A.: Measuring two-dimensional movements using a single InSAR pair, Geophys. Res. Lett., 33, L16311, https://doi.org/10.1029/2006GL026883, 2006. 
Bindschadler, R. A. and Scambos, T. A.: Satellite-image-derived velocity field of an Antarctic ice stream, Science, 252, 242–246, 1991. 
Boncori, J. P. M., Langer Andersen, M., Dall, J., Kusk, A., Kamstra, M., Bech Andersen, S., Bechor, N., Bevan, S., Bignami, C., Gourmelen, N., and Joughin, I.: Intercomparison and validation of SAR-based ice velocity measurement techniques within the Greenland Ice Sheet CCI project, Remote Sensing, 10, 929, https://doi.org/10.3390/rs10060929, 2018. 
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This work describes NASA MEaSUREs ITS_LIVE project's Version 2 Sentinel-1 image-pair ice velocity product and processing methodology. We show the refined offset tracking algorithm, autoRIFT, calibration for Sentinel-1 geolocation biases and correction of the ionosphere streaking problems. Validation was performed over three typical test sites covering the globe by comparing with other similar global and regional products.
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