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Description

This dataset provides estimates of seasonal subsidence, active layer thickness (ALT), the vertical soil moisture profile, and uncertainties at a 30 m resolution for 51 sites across the ABoVE domain, including 39 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. The data are provided in NetCDF Version 4 format along with a python script for estimating soil volumetric water content from data.

Product Summary

Platforms
GULFSTREAM 1000 (695A)
Instruments
UAVSAR
Projects
ABoVE
Spatial Extent

N: 71.5212 S: 57.8294 E: -110.418 W: -166.733

Location
ALASKA ,
NORTHWEST TERRITORIES ,
YUKON TERRITORY
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2017-06-19 to 2017-09-16
Data Partner
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) (ORNL_DAAC)
Concept ID
C2432584227-ORNL_CLOUD
Data State
COMPLETE
Number of Files/Granules
52
Processing Level
3
Published
Updated
Science Keywords
Active Layer ,
Permafrost ,
Soil Moisture/Water Content ,
Permafrost ,
PERMAFROST MELT

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Chen, R. H., Michaelides, R. J., Chen, J., Chen, A. C., Clayton, L. K., Bakian-Dogaheh, K., Huang, L., Jafarov, E., Liu, L., Moghaddam, M., Parsekian, A. D., Sullivan, T. D., Tabatabaeenejad, A., Wig, E., Zebker, H. A., & Zhao, Y. (2022). ABoVE: Active Layer Thickness from Airborne L- and P- band SAR, Alaska, 2017, Ver. 3 (Version 3). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/2004 Date Accessed: 2026-09-30

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Publications Citing This Dataset

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Title Authors Year Referenced Datasets
Tundra recovery post-fire in the YukonKuskokwim Delta, Alaska
  • Clayton, Leah K, Schaefer, Kevin, Hoy, Elizabeth E, Elder, Clayton D, French, Nancy H F, Frost, Gerald V, Wig, Elizabeth, Lee, Xuhui
Permafrost Dynamics Observatory: 3. Remote Sensing Big Data for the
  • Wig, Elizabeth, Schaefer, Kevin, Michaelides, Roger, Chen, Richard, Clayton, Leah K., Fager, Brittany, Huang, Lingcao, Parsekian, Andrew D., Zebker, Howard, Zhang, Yingtong, Zhao, Yuhuan
Shapley Explainable AI (XAI) to Assess the Potential of Satellite Remote Sensing Data for Estimating Active Layer Thickness (ALT)
  • Merchant, Michael, McBlane, Lindsay, Edwards, Rebecca
Tundra fires and surface subsidence increase spectral diversity on the YukonKuskokwim Delta, Alaska
  • Anderson, D P, Michaelides, R J, Chen, W, Frost, G V, Macander, M J, Lara, M J
Toward long-term monitoring of regional permafrost thaw with satellite interferometric synthetic aperture radar
  • Sadeghi Chorsi, Taha, Meyer, Franz J., Dixon, Timothy H.
Heat equation-based temperature profiles retrieval in frozen tundra soil using dual-polarized multi-angular brightness temperature observations in L-band
  • Muzalevskiy, Konstantin V.
Fine-scale landscape characteristics, vegetation composition, and snowmelt timing control phenological heterogeneity across low-Arctic tundra landscapes in Western Alaska
  • Yang, Dedi, Hantson, Wouter, Hayes, Daniel J, Wu, Jin, Serbin, Shawn P
Permafrost Dynamics Observatory (PDO)Part II: Joint Retrieval of Permafrost Active Layer Thickness and Soil Moisture from Lband InSAR and Pband PolSAR
  • Chen, Richard H., Michaelides, Roger J., Zhao, Yuhuan, Huang, Lingcao, Wig, Elizabeth, Sullivan, Taylor D., Parsekian, Andrew D., Zebker, Howard A., Moghaddam, Mahta, Schaefer, Kevin M.
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