Monitoring the spatial distribution and changes in permafrost with passive microwave remote sensing

H Gao, N Nie, W Zhang, H Chen - ISPRS Journal of Photogrammetry and …, 2020 - Elsevier
Permafrost monitoring using remote sensing techniques is an effective approach at present.
Permafrost mostly occurs below the land surface, which limits permafrost monitoring by …

Impacts of seasonally frozen soil hydrothermal dynamics on the watershed hydrological processes inferred from a spatially distributed numerical modelling approach

H Gao, Z Zhang, H Chen, W Zhang, C Xu, Y Yi, J Liu… - Journal of …, 2023 - Elsevier
The freeze–thaw cycle over the surface seasonally frozen soil is an important soil
hydrothermal dynamic process linking land surface processes and climatic changes in the …

Field test of the surface soil moisture mapping using Sentinel-1 radar data

AM Zeyliger, KV Muzalevskiy, EV Zinchenko… - Science of the Total …, 2022 - Elsevier
Soil surface moisture is one of the key parameters for describing the hydrological state and
assessing the potential availability of water for irrigated plants. Because the radar …

Spatiotemporal green water dynamics and their responses to variations of climatic and underlying surface factors: A case study in the Sanjiang Plain, China

C Xu, W Zhang, S Wang, H Chen, A Azzam… - Journal of Hydrology …, 2023 - Elsevier
Abstract Study region The Sanjiang Plain (SJP), located at the confluence reaches of the
Heilong, Songhua, and Wusuli Rivers in Northeast China. Study focus This study aimed to …

Deep learning estimation of northern hemisphere soil freeze-thaw dynamics using satellite multi-frequency microwave brightness temperature observations

K Donahue, JS Kimball, J Du, F Bunt… - Frontiers in big …, 2023 - frontiersin.org
Satellite microwave sensors are well suited for monitoring landscape freeze-thaw (FT)
transitions owing to the strong brightness temperature (TB) or backscatter response to …

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 …

Landsat data-driven identification of surface soil freeze and thaw states: a comparison of various target detection and semantic segmentation models

H Feng, X Dai, L Chai, B Su, T Zhang… - International Journal of …, 2024 - Taylor & Francis
Frozen soil is a vital component of the cryosphere and is sensitive to climate changes,
accelerating thaw when the anthropogenic climate warms. Identifying the state of soil …

Spatial downscaling based on spectrum analysis for soil freeze/thaw status retrieved from passive microwave

HR Gao, ZJ Zhang, WC Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Seasonal variations of frozen soil can be effectively monitored at regional scales by using
passive microwave remote sensing techniques. However, low spatial resolution of passive …

[HTML][HTML] Quantitative Changes in the Surface Frozen Days and Potential Driving Factors in Northern Northeastern China

D Yang, Y Xiao, M Li, H Man, D Luo, S Zang, L Wan - Land, 2024 - mdpi.com
Surface freezing and thawing processes pose significant influences on surface water and
energy balances, which, in turn, affect vegetation growth, soil moisture, carbon cycling, and …

色季拉山石生藓类多样性及优势种成土与持水能力

董营, 张首超, 卓嘎, 巴永, 潘刚, 王瑞红 - 生态学杂志, 2024 - cje.net.cn
通过野外调查和室内实验, 对西藏林芝市色季拉山石生苔藓植物多样性进行了分析,
并对该区域内的3 种优势种的生物量, 成土量, 持水量等进行了测定. 结果表明: 石生藓类共8 …