Articles | Volume 12, issue 1
https://doi.org/10.5194/tc-12-145-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-12-145-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Characterizing permafrost active layer dynamics and sensitivity to landscape spatial heterogeneity in Alaska
Yonghong Yi
CORRESPONDING AUTHOR
Numerical Terradynamic Simulation Group, The University of Montana,
Missoula MT, USA
John S. Kimball
Numerical Terradynamic Simulation Group, The University of Montana,
Missoula MT, USA
Richard H. Chen
Department of Electrical Engineering, University of Southern
California, CA, USA
Mahta Moghaddam
Department of Electrical Engineering, University of Southern
California, CA, USA
Rolf H. Reichle
Global Modeling and Assimilation Office, NASA Goddard Space Flight
Center, Greenbelt, MD, USA
Umakant Mishra
Environmental Science Division, Argonne National Laboratory, Argonne,
IL, USA
Donatella Zona
Department of Biology, San Diego State University, San Diego, CA, USA
Walter C. Oechel
Department of Biology, San Diego State University, San Diego, CA, USA
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- Evaluation of MERRA-2 land surface temperature dataset and its application in permafrost mapping over China A. Wen et al. 10.1016/j.atmosres.2022.106373
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- Response of carbon and microbial properties to risk elements pollution in arctic soils X. Ji et al. 10.1016/j.jhazmat.2020.124430
- Mapping Surface Organic Soil Properties in Arctic Tundra Using C-Band SAR Data Y. Yi et al. 10.1109/JSTARS.2023.3236117
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- Thermo‐erosional valleys in Siberian ice‐rich permafrost A. Morgenstern et al. 10.1002/ppp.2087
- Reflecting Properties of the Seasonally Thawed Layer during Thawing and Freezing of the Light Loam Soil. Numeric-analytical Study K. Muzalevsky 10.1007/s11141-023-10250-2
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- Modeling and mapping permafrost active layer thickness using field measurements and remote sensing techniques C. Zhang et al. 10.1016/j.jag.2021.102455
- Spatial Downscaling Based on Spectrum Analysis for Soil Freeze/Thaw Status Retrieved From Passive Microwave H. Gao et al. 10.1109/TGRS.2021.3051683
- Satellite-based simulation of soil freezing/thawing processes in the northeast Tibetan Plateau G. Zheng et al. 10.1016/j.rse.2019.111269
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Latest update: 21 Sep 2023
Short summary
An important feature of the Arctic is large spatial heterogeneity in active layer conditions. We developed a modeling framework integrating airborne longwave radar and satellite data to investigate active layer thickness (ALT) sensitivity to landscape heterogeneity in Alaska. We find uncertainty in spatial and vertical distribution of soil organic carbon is the largest factor affecting ALT accuracy. Advances in remote sensing of soil conditions will enable more accurate ALT predictions.
An important feature of the Arctic is large spatial heterogeneity in active layer conditions. We...