Xiaohua Hao
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View article: Optimizing Cloud Mask Accuracy over Snow-Covered Terrain with a Multistage Decision Tree Framework
Optimizing Cloud Mask Accuracy over Snow-Covered Terrain with a Multistage Decision Tree Framework Open
High-resolution optical remote sensing imagery plays a crucial role in monitoring the Earth’s surface. However, cloud obstruction and spectral confusion between clouds and snow significantly compromise data quality and application reliabil…
View article: Polyporusterone B Alleviates Inflammatory Injury via Suppression of Pro-Inflammatory Cytokine Production
Polyporusterone B Alleviates Inflammatory Injury via Suppression of Pro-Inflammatory Cytokine Production Open
Polyporusterone B, a triterpene carboxylic acid isolated from Polyporus umbellatus Fries, exhibits anti-cancer and anti-hemolytic activities; however, its anti-inflammatory properties and underlying mechanisms remain unelucidated. We studi…
View article: The influence of snow cover dynamics on gross primary productivity of cultivated land in Northeast China
The influence of snow cover dynamics on gross primary productivity of cultivated land in Northeast China Open
Snow cover is a crucial factor influencing gross primary productivity (GPP), but the various regulatory mechanisms across different geographical zones in Northeast China remain unclear. This study comprehensively analyzed the dynamic chang…
View article: Pharmacokinetics, Pharmacodynamic, Safety and Tolerability of Fazamorexant, a Novel Dual Orexin Receptor Antagonist: Report of the First-in-Human Study
Pharmacokinetics, Pharmacodynamic, Safety and Tolerability of Fazamorexant, a Novel Dual Orexin Receptor Antagonist: Report of the First-in-Human Study Open
Fazamorexant at a single dose of 2-80 mg or 10-60 mg at multiple doses presented satisfactory safety and tolerability in healthy subjects. The findings in this comprehensive first-in-humans study support the continued investigation of Faza…
View article: Machine Learning-Enhanced River Ice Identification in the Complex Tibetan Plateau
Machine Learning-Enhanced River Ice Identification in the Complex Tibetan Plateau Open
Accurate remote sensing identification of river ice not only provides scientific evidence for climate change but also offers early warning information for disasters such as ice jams. Currently, many researchers have used remote sensing ind…
View article: Cryosphere response to light-absorbing particles under changing climate
Cryosphere response to light-absorbing particles under changing climate Open
Light-absorbing particles (LAPs) (such as black carbon (BC) and mineral dust (MD)) can substantially impact the cryosphere and accelerate melting, leading to notable radiative and climatic effects. In this Review, we summarize the global s…
View article: Quantifying Black Carbon Retrieval in Snow Surface: Remote Sensing, Modeling, and Observations Perspectives
Quantifying Black Carbon Retrieval in Snow Surface: Remote Sensing, Modeling, and Observations Perspectives Open
Black carbon (BC), a short-lived aerosol produced by incomplete combustion of biomass and fossil fuels, exerts profound influences on local, regional, and global cryosphere through snow albedo feedback mechanisms. Accurately estimating BC …
View article: Production of a High-Precision Daily Cloud-Free Snow Cover Fraction Product at 5 km Resolution for the Northern Hemisphere (1981-2024)
Production of a High-Precision Daily Cloud-Free Snow Cover Fraction Product at 5 km Resolution for the Northern Hemisphere (1981-2024) Open
Accurate snow cover information is crucial for studying global climate and hydrology. Existing snow cover fraction products struggle to balance temporal coverage and spatial resolution. We propose a new method to produce daily cloud-free S…
View article: Weakened Snowmelt Contribution to Floods in a Climate-Changed Tibetan Basin
Weakened Snowmelt Contribution to Floods in a Climate-Changed Tibetan Basin Open
Climate warming has led to changes in floods in snow-packed mountain areas, but how snowmelt contributes to floods in the high-altitude Tibetan Plateau remains to be studied. To solve this problem, we propose a more reasonable method for e…
View article: Aldose Reductase: A Promising Therapeutic Target for High-Altitude Pulmonary Edema
Aldose Reductase: A Promising Therapeutic Target for High-Altitude Pulmonary Edema Open
The Qinghai–Tibet Plateau, famously known as the “Roof of the World”, has witnessed a surge in individuals traveling or working there. However, a considerable percentage of these individuals may suffer from acute mountain sickness (AMS), w…
View article: Monitoring Cold-Region Water Cycles Using Remote Sensing Big Data
Monitoring Cold-Region Water Cycles Using Remote Sensing Big Data Open
In recent years, under the backdrop of global warming and intensifying extreme climates, water cycle processes in cold regions have been undergoing profound changes [...]
View article: A Snow Depth Downscaling Algorithm Based on Deep Learning Fusion of Enhanced Passive Microwave and Cloud-Free Optical Remote Sensing Data in China
A Snow Depth Downscaling Algorithm Based on Deep Learning Fusion of Enhanced Passive Microwave and Cloud-Free Optical Remote Sensing Data in China Open
High spatial resolution snow depth (SD) is crucial for hydrological, ecological, and disaster research. However, passive microwave SD product (10/25 km) is increasingly insufficient to meet contemporary requirements due to its coarse spati…
View article: Generation and Assessment of Digital Elevation Models by Combining Sentinel-1A and Sentinel-1B Data in Mountain Glacier Area
Generation and Assessment of Digital Elevation Models by Combining Sentinel-1A and Sentinel-1B Data in Mountain Glacier Area Open
The launch of Sentinel-1 satellite introduces a novel approach for synthetic aperture radar (SAR) interferometry (InSAR). However, its capabilities for topographic mapping are reportedly limited. It is very challenging to create high-quali…
View article: Variations of Lake Ice Phenology Derived from MODIS LST Products and the Influencing Factors in Northeast China
Variations of Lake Ice Phenology Derived from MODIS LST Products and the Influencing Factors in Northeast China Open
Lake ice phenology serves as a sensitive indicator of climate change in the lake-rich Northeast China. In this study, the freeze-up date (FUD), break-up date (BUD), and ice cover duration (ICD) of 31 lakes were extracted from a time series…
View article: Estimating snow depth based on dual polarimetric radar index from Sentinel-1 GRD data: A case study in the Scandinavian Mountains
Estimating snow depth based on dual polarimetric radar index from Sentinel-1 GRD data: A case study in the Scandinavian Mountains Open
The sensitivity of synthetic aperture radar (SAR) polarization information to snow depth changes provides new opportunities for regional snow depth retrieval in mountains with thick snow cover. However, interference from soil signals can a…
View article: High spatial resolution elevation change dataset derived from ICESat-2 crossover points on the Tibetan Plateau
High spatial resolution elevation change dataset derived from ICESat-2 crossover points on the Tibetan Plateau Open
Understanding elevation changes on the Tibetan Plateau is crucial to comprehend the changes in topography, landscape, climate, environmental conditions, and water resources. However, some of the current products that track elevation change…
View article: Machine learning-based mapping of fraction snow cover in High Mountain Asia by MODIS
Machine learning-based mapping of fraction snow cover in High Mountain Asia by MODIS Open
2024年4月10日太原理工大学 矿业工程学院的高伟强团队和中国科学院西北生态环境资源研究院的郝晓华团队在《遥感学报》发文, 积雪面积比例能在亚像元尺度上定量描述积雪的覆盖程度,相比二值积雪更适合反映复杂山区积雪的分布情况,是山区融雪径流模拟,气候变化预测的重要输入参数。本研究基于LC -MARS 模型制备了2000-2021年亚洲高山区逐日MODIS FSC 产品,为亚洲高山区气候变化、水文水资源研究提供重要的数据支撑。
View article: Estimating Atmospheric Dust Pollutants Content Deposited on Snow Surfaces From In Situ Spectral Reflectance Measurements and Satellite Data
Estimating Atmospheric Dust Pollutants Content Deposited on Snow Surfaces From In Situ Spectral Reflectance Measurements and Satellite Data Open
Dust deposited on the surface of snow and glaciers can significantly reduce the snow and ice albedo and accelerate melting. Manual observations of the dust mass concentration (DMC) on snow and glacier surfaces are routinely performed at ma…
View article: Assessing satellite and reanalysis-based precipitation products in cold and arid mountainous regions
Assessing satellite and reanalysis-based precipitation products in cold and arid mountainous regions Open
Study region: The Xiying and Heihe River basins, cold and arid mountainous regions of northwestern China. Study focus: In data-limited areas of Northwestern China, satellite- and reanalysis-based precipitation products provide crucial assi…
View article: Machine Learning-Based Bias Correction of Precipitation Measurements at High Altitude
Machine Learning-Based Bias Correction of Precipitation Measurements at High Altitude Open
Accurate precipitation measurements are essential for understanding hydrological processes in high-altitude regions. Conventional gauge measurements often yield large underestimations of actual precipitation, prompting the development of s…
View article: Adaptability analysis of snow in the Zhangjiakou competition zone of the Beijing Olympic Winter Games for the next 30 years
Adaptability analysis of snow in the Zhangjiakou competition zone of the Beijing Olympic Winter Games for the next 30 years Open
Study region: Zhangjiakou competition zone (ZJK-CZ) of the Beijing Olympic Winter Games. Study focus: Under the extreme uncertainty of future climate change scenarios, a system solution capable of snow depth forecasting is urgently needed …
View article: Fusion of Landsat 8 Operational Land Imager and Geostationary Ocean Color Imager for hourly monitoring surface morphology of lake ice with high resolution in Chagan Lake of Northeast China
Fusion of Landsat 8 Operational Land Imager and Geostationary Ocean Color Imager for hourly monitoring surface morphology of lake ice with high resolution in Chagan Lake of Northeast China Open
The surface morphology of lake ice remarkably changes under the combined influence of thermal and mechanical forces. However, research on the surface morphology of lake ice and its interaction with climate is scarce. A large-scale linear s…
View article: Simulations of Snowmelt Runoff in a High-Altitude Mountainous Area Based on Big Data and Machine Learning Models: Taking the Xiying River Basin as an Example
Simulations of Snowmelt Runoff in a High-Altitude Mountainous Area Based on Big Data and Machine Learning Models: Taking the Xiying River Basin as an Example Open
As an essential data-driven model, machine learning can simulate runoff based on meteorological data at the watershed level. It has been widely used in the simulation of hydrological runoff. Considering the impact of snow cover on runoff i…
View article: An Overview of Remote Sensing for Mountain Vegetation and Snow Cover
An Overview of Remote Sensing for Mountain Vegetation and Snow Cover Open
Climate change has profoundly impacted elements of land surface at high latitudes and elevations, especially snow and vegetation [...]