Schaefer, K., Michaelides, R. J., Chen, R. H., Sullivan, T. D., Parsekian, A. D., Zhao, Y., Bakian-Dogaheh, K., Tabatabaeenejad, A., Moghaddam, M., Chen, J., Chen, A. C., Liu, L., & Zebker, H. A. (2021). ABoVE: Active Layer Thickness Derived from Airborne L- and P-band SAR, Alaska, 2017 (Version 2). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1796 Date Accessed: 2026-09-27

@article{schaefer_michaelides_chen_sullivan_parsekian_zhao_bakian-dogaheh_tabatabaeenejad_moghaddam_chen_et al._2021, title={ABoVE: Active Layer Thickness Derived from Airborne L- and P-band SAR, Alaska, 2017}, url={https://www.earthdata.nasa.gov/data/catalog/ornl-cloud-above-resalt-insar-polsar-v2-1796-2}, DOI={10.3334/ORNLDAAC/1796}, abstractNote={This dataset provides estimates of seasonal subsidence, active layer thickness (ALT), the vertical soil moisture profile, and uncertainties at a 30 m resolution for 28 sites across the ABoVE domain, including 16 sites in Alaska and 12 sites in Northwest Canada. The ALT and soil moisture profile retrievals simultaneously use L- and P-band synthetic aperture radar (SAR) data acquired by the NASA/JPL Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) instruments during the 2017 Arctic Boreal Vulnerability Experiment (ABoVE) airborne campaign.}, publisher={ORNL Distributed Active Archive Center}, author={Schaefer, K. and Michaelides, R.J. and Chen, R.H. and Sullivan, T.D. and Parsekian, A.D. and Zhao, Y. and Bakian-Dogaheh, K. and Tabatabaeenejad, A. and Moghaddam, M. and Chen, J. and Chen, A.C. and Liu, L. and Zebker, H.A.}, year={2021}, language={en}, }

Schaefer, K., Michaelides, R. J., Chen, R. H., Sullivan, T. D., Parsekian, A. D., Zhao, Y., Bakian-Dogaheh, K., Tabatabaeenejad, A., Moghaddam, M., Chen, J., Chen, A. C., Liu, L., & Zebker, H. A. (2021). ABoVE: Active Layer Thickness Derived from Airborne L- and P-band SAR, Alaska, 2017 (Version 2). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1796 Date Accessed: 2026-09-27

Schaefer, K., et al. “ABoVE: Active Layer Thickness Derived from Airborne L- and P-Band SAR, Alaska, 2017.” With ORNL DAAC, Version 2, ORNL Distributed Active Archive Center, 1 Jan. 2021, https://doi.org/10.3334/ORNLDAAC/1796. Date Accessed: 2026-09-27