The reliability of categorical triple collocation for evaluating soil freeze/thaw datasets

H Li, L Chai, W Crow, J Dong, S Liu, S Zhao - Remote Sensing of …, 2022 - Elsevier
Seasonal soil freeze/thaw (FT) state transition plays a critical role in the range of ecosystem,
hydrological and biogeochemical processes. A thorough and large-scale validation of …

A rigorous wavelet-Packet transform to retrieve snow depth from SSMIS data and evaluation of its reliability by uncertainty parameters

A Adib, A Zaerpour, O Kisi, M Lotfirad - Water Resources Management, 2021 - Springer
This study demonstrates the application of wavelet transform comprising discrete wavelet
transform, maximum overlap discrete wavelet transform (MODWT), and multiresolution …

Daily landscape freeze/thaw state detection using spaceborne GNSS-R data in Qinghai-Tibet Plateau

W Yang, F Guo, X Zhang, T Xu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The freeze-thaw (F/T) process plays a significant role in climate change and ecological
systems. The soil F/T state can now be determined using microwave remote sensing …

Informing improvements in freeze/thaw state classification using subpixel temperature

JM Johnston, PR Houser, V Maggioni… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
Freeze/thaw (FT) processes at the earth's surface can have a considerable effect on global
carbon, energy, and hydrologic cycles. Therefore, an accurate representation of FT is …

Diurnal soil freeze‐thaw cycles and the factors determining their changes in warming climate in the upper Brahmaputra basin of the Tibetan Plateau

N Li, L Cuo, Y Zhang… - Journal of Geophysical …, 2024 - Wiley Online Library
Soil freeze‐thaw cycles play a critical role in ecosystem, hydrological and biogeochemical
processes, and climate. The Tibetan Plateau (TP) has the largest area of frozen soil that …

Discrimination and mapping ground surface freeze and thaw states over Northeastern China based on the improved dual-index algorithm

H Gao, Z Zhang, H Chen, W Zhang, Y Yi, C Xu… - Cold Regions Science …, 2023 - Elsevier
Accurate delineation of spatiotemporal variations in ground surface soil freeze and thaw
(F/T) states is essential to appraise many geoscience issues, such as the hydrological …

A Spatiotemporal Enhanced SMAP Freeze/Thaw Product (1980–2020) over China and Its Preliminary Analyses

H Cui, L Chai, H Li, S Zhao, X Li, S Liu - Remote Sensing, 2024 - mdpi.com
The soil freeze/thaw (FT) state has emerged as a critical role in the ecosystem, hydrological,
and biogeochemical processes, but obtaining representative soil FT state datasets with a …

Detecting soil freeze-thaw dynamics with C-band SAR over permafrost in Northern Sweden and seasonally frozen grounds in the Tibetan Plateau, China

A Taghavi-Bayat, T Ullmann, B Riedel… - International Journal of …, 2024 - Taylor & Francis
The soil freeze-thaw (FT) state plays a significant role in cold ecosystems by influencing
hydrology, geomorphology, ecology, thermodynamics, and soil chemistry. As climate …

A Surface Freeze-thaw Cycle Detecting Framework Based on Passive Microwave Data for the Alpine Zone: A Case Study of Three River Source Region in the Qinghai …

B Wen, T Zhang, X Zhou, D Chen, G Yi… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
The freeze-thaw cycle of near-surface soils significantly affects energy and water exchanges
between the atmosphere and land surface. Passive microwave remote sensing is commonly …

Modelling of Microwave Emission from Seasonal Frozen Ground Using Dense Media Radiative Transfer Theory (DMRT)

J Wang, L Jiang, T Zhao, H Cui… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The freeze/thaw (F/T) transition of soil significantly affects water, energy, and carbon cycles
at the land-atmosphere interface. The volumetric structure and vertical heterogeneity within …