Xiankun Yang
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View article: Association between air pollution and emergency department visits for unintentional injuries in four cities of Shandong Province, China
Association between air pollution and emergency department visits for unintentional injuries in four cities of Shandong Province, China Open
Objective To study the relationship between emergency department visits for unintentional injuries and air pollutants in four cities in Shandong Province, China (2019–2022). Methods From 2019 to 2022, the data on air pollutants and uninten…
View article: Accuracy improvement of coal quality analysis across different LIBS systems by wavelength shift self-calibration and transfer learning
Accuracy improvement of coal quality analysis across different LIBS systems by wavelength shift self-calibration and transfer learning Open
View article: Evaluation Method for Nitrogen Oxide Emission Reduction Using Hypothetical Automobile Model: A Case in Guangdong Province
Evaluation Method for Nitrogen Oxide Emission Reduction Using Hypothetical Automobile Model: A Case in Guangdong Province Open
As a key precursor of tropospheric ozone and secondary particulate matter, nitrogen oxides (NOx) exert significant impacts on air quality. Traffic emissions represent a dominant source of near-surface NOx. The widespread adoption of new en…
View article: Evaluation of the Coupling Coordination Degree Between PM2.5 and Urbanization Level: A Case in Guangdong Province
Evaluation of the Coupling Coordination Degree Between PM2.5 and Urbanization Level: A Case in Guangdong Province Open
PM2.5 (particulate matter with an aerodynamic diameter ≤ 2.5 µm) pollution is one of the most common problems triggered by the acceleration of urbanization. The coordinated development of cities and the environment has been a topic of sign…
View article: Retrieval of Dissolved Oxygen Concentrations in Fishponds in the Guangdong–Hong Kong–Macao Greater Bay Area Using Satellite Imagery and Machine Learning
Retrieval of Dissolved Oxygen Concentrations in Fishponds in the Guangdong–Hong Kong–Macao Greater Bay Area Using Satellite Imagery and Machine Learning Open
Dissolved oxygen (DO) is a fundamental water quality parameter that directly determines aquaculture productivity. China contributes 57% of the global aquaculture production, with the Guangdong–Hong Kong–Macao Greater Bay Area (GBA) serving…
View article: The mechanisms and effects of lactylation modification in different kinds of cancers
The mechanisms and effects of lactylation modification in different kinds of cancers Open
View article: High-resolution mapping of China’s flooded croplands
High-resolution mapping of China’s flooded croplands Open
Climate change and the increasing frequency of floods have undermined China's food security. Creating detailed maps of flooded croplands is essential to improve prevention and adopt effective adaptation initiatives. Previous large-scale fl…
View article: Accuracy Improvement of Coal Quality Analysis Across Different LIBS systems by Wavelength Shift Self-calibration and Transfer Learning
Accuracy Improvement of Coal Quality Analysis Across Different LIBS systems by Wavelength Shift Self-calibration and Transfer Learning Open
View article: Anthropogenic and Hydroclimatic Controls on the CO <sub>2</sub> and CH <sub>4</sub> Dynamics in Subtropical Monsoon Rivers
Anthropogenic and Hydroclimatic Controls on the CO <sub>2</sub> and CH <sub>4</sub> Dynamics in Subtropical Monsoon Rivers Open
Anthropogenic perturbations have substantially altered riverine carbon cycling worldwide, exerting influences on dissolved carbon dioxide (CO 2 ) and methane (CH 4 ) dynamics at multiple levels. However, the magnitude and role of anthropog…
View article: Mapping Benggang Erosion Susceptibility: An Analysis of Environmental Influencing Factors Based on the Maxent Model
Mapping Benggang Erosion Susceptibility: An Analysis of Environmental Influencing Factors Based on the Maxent Model Open
Benggang erosion is one of the most severe geomorphological hazards occurring on deeply weathered crusts in the hilly regions of southern China. Unraveling the susceptibility and pinpointing the risk areas of Benggang erosion are essential…
View article: Evolution of global O3-NOx-VOCs sensitivity before and after the COVID-19 from the ratio of formaldehyde to NO2 from satellite observations
Evolution of global O3-NOx-VOCs sensitivity before and after the COVID-19 from the ratio of formaldehyde to NO2 from satellite observations Open
Ozone production sensitivity is widely used to reveal the chemical dominant precursors of urban ozone rise. Here, we diagnose the impact of the decline in global human production activities level caused by the COVID-19 on ozone sensitivity…
View article: Estimation of Picea Schrenkiana Canopy Density at Sub-Compartment Scale by Integration of Optical and Radar Satellite Images
Estimation of Picea Schrenkiana Canopy Density at Sub-Compartment Scale by Integration of Optical and Radar Satellite Images Open
This study proposes a novel approach to estimate canopy density in Picea Schrenkiana var. Tianschanica forest sub-compartments by integrating optical and radar satellite data. This effort is aimed at enhancing methodologies for forest reso…
View article: Land-Use/Cover Change and Driving Forces in the Pan-Pearl River Basin during the Period 1985–2020
Land-Use/Cover Change and Driving Forces in the Pan-Pearl River Basin during the Period 1985–2020 Open
Land use/cover change (LUCC) is a vital aspect representing global change and humans’ impact on Earth’s surface. This study utilized the ESRI Land Cover 2020 and China Land Cover Dataset (CLCD), along with historical imagery from Google Ea…
View article: Monitoring Chlorophyll-a Concentration Variation in Fish Ponds from 2013 to 2022 in the Guangdong-Hong Kong-Macao Greater Bay Area, China
Monitoring Chlorophyll-a Concentration Variation in Fish Ponds from 2013 to 2022 in the Guangdong-Hong Kong-Macao Greater Bay Area, China Open
Aquaculture plays a vital role in global food production, with fish pond water quality directly impacting aquatic product quality. The Guangdong-Hong Kong-Macao Greater Bay Area (GBA) serves as a key producer of aquatic products in South C…
View article: Ichnological research on Tibetan hominin hand and footprints and its indicative significance
Ichnological research on Tibetan hominin hand and footprints and its indicative significance Open
古人类印迹学的研究始于20世纪,并在21世纪快速发展。作为研究古人类演化过程和生存环境的重要媒介,古人类印迹(如脚印、手印等)具有其他考古遗存(如骨骼化石、动植物遗存、文化层等)所不具备的优势:保存状况完好的印迹可以反映古人类的肌肉形态、运动状态、性别、身高和种群构成等信息。在全球范围内,非洲坦桑尼亚火山灰上的脚印(~3.66 Ma),北美洲白沙国家公园的脚印(23~20 ka)以及印度尼西亚洞穴中的手印(51.8 ka)等,都是代表性的印迹学研究成果,为古人类演化、迁移和…
View article: Magnitude of and Hydroclimatic Controls on CO<sub>2</sub> and CH<sub>4</sub> Emissions in the Subtropical Monsoon Pearl River Basin
Magnitude of and Hydroclimatic Controls on CO<sub>2</sub> and CH<sub>4</sub> Emissions in the Subtropical Monsoon Pearl River Basin Open
Rivers are important ecosystems for carbon emissions and play a crucial role in the global carbon cycle. However, CO 2 and CH 4 emissions from subtropical rivers are substantially under‐represented in global‐scale estimates. Here, we explo…
View article: Vectorized dataset of silted land formed by check dams on the Chinese Loess Plateau
Vectorized dataset of silted land formed by check dams on the Chinese Loess Plateau Open
View article: Sustaining the Pearl River: A Critical Review of Changes in Fluvial Geomorphological Processes and the Driving Forces in the Pearl River Basin
Sustaining the Pearl River: A Critical Review of Changes in Fluvial Geomorphological Processes and the Driving Forces in the Pearl River Basin Open
The Pearl River is one of China’s large rivers, the second-largest river and the fourth-longest river in China. Its unique geography, landform, and climate conditions create unique fluvial geomorphological processes. Affected by human acti…
View article: Seasonal Retrieval of Suspended Sediment in the Pearl River Estuary Based on Measured Data
Seasonal Retrieval of Suspended Sediment in the Pearl River Estuary Based on Measured Data Open
Suspended sediment is an important water quality parameter that plays an important role in regulating water and sediment dynamics in estuaries and shaping landform patterns. As one of China's important shipping channels, the sediment trans…
View article: A fusion retrieval approach for monitoring upstream suspended sediment fluctuations using Sentinel-2 imagery
A fusion retrieval approach for monitoring upstream suspended sediment fluctuations using Sentinel-2 imagery Open
Remote sense data are increasingly being developed also to accomplish environmental monitoring activities. In the context of climate change, a growing number of extreme events are being observed worldwide, leading to significant changes in…
View article: Response of suspended sediment to natural and anthropogenic factors in the Guangdong-Hong Kong-Macao Greater Bay Area&#8217;s fish ponds over the Past 40 Years
Response of suspended sediment to natural and anthropogenic factors in the Guangdong-Hong Kong-Macao Greater Bay Area’s fish ponds over the Past 40 Years Open
Suspended sediment is closely linked to nutrients, pollutants, and heavy metals, profoundly affecting aquatic ecosystems and widely recognized as a vital indicator of inland water health. Consequently, Suspended sediment concentration (SSC…
View article: Remote Sensing Retriving of Dissolved Oxygen Concentration in Aquaculture Ponds in the Guangdong-Hong Kong-Macao Greater Bay Area
Remote Sensing Retriving of Dissolved Oxygen Concentration in Aquaculture Ponds in the Guangdong-Hong Kong-Macao Greater Bay Area Open
China has been a traditional aquaculture powerhouse, contributing over one-third of the global production. The Guangdong-Hong Kong-Macao Greater Bay Area stands out as a primary region for aquaculture. Pond aquaculture is a significant met…
View article: Land Use Change Characteristics in the Pan-Pearl River Basin in China from 1985 to 202
Land Use Change Characteristics in the Pan-Pearl River Basin in China from 1985 to 202 Open
The changes in land use/cover are essential aspects of studying the impact of human activities on the Earth's surface and global transformations. In this study, utilizing the ESRI Global Land Cover data (ESRI land cover 2020) and the China…
View article: Integrated Modeling and Quantitative Analysis of N<sub>2</sub>O Emission Before and after Covid-19: A Case in Guangdong Province
Integrated Modeling and Quantitative Analysis of N<sub>2</sub>O Emission Before and after Covid-19: A Case in Guangdong Province Open
View article: Integrated Modeling and Quantitative Analysis of N2o Emission Before and after Covid-19: A Case in Guangdong Province
Integrated Modeling and Quantitative Analysis of N2o Emission Before and after Covid-19: A Case in Guangdong Province Open
View article: Multi-Scale Correlation Reveals the Evolution of Socio-Natural Contributions to Tropospheric Hcho Over China from 2005 to 2022
Multi-Scale Correlation Reveals the Evolution of Socio-Natural Contributions to Tropospheric Hcho Over China from 2005 to 2022 Open
View article: Decoding Land Surface Temperature Dynamics: Causal Influences in the Guangdong-Hong Kong-Macao Greater Bay Area
Decoding Land Surface Temperature Dynamics: Causal Influences in the Guangdong-Hong Kong-Macao Greater Bay Area Open
View article: Mapping Suspended Sediment Changes in the Western Pacific Coasts
Mapping Suspended Sediment Changes in the Western Pacific Coasts Open
The Western Pacific Coasts (WPC) are the outlets of many large Asian rivers. In recent years, the interplay of climate changes and human activities has persistently altered the suspended sediment concentrations (SSC) in the WPC, triggering…
View article: An Improved YOLOv5s-Seg Detection and Segmentation Model for the Accurate Identification of Forest Fires Based on UAV Infrared Image
An Improved YOLOv5s-Seg Detection and Segmentation Model for the Accurate Identification of Forest Fires Based on UAV Infrared Image Open
With the influence of climate change and human activities, the frequency and scale of forest fires have been increasing continuously, posing a significant threat to the environment and human safety. Therefore, rapid and accurate forest fir…
View article: Neural Network-Based Wind Measurements in Rainy Conditions Using the HY-2A Scatterometer
Neural Network-Based Wind Measurements in Rainy Conditions Using the HY-2A Scatterometer Open
Wind measurement using spaceborne scatterometers has been used for various scientific and operational purposes. However, the major problem of such measurements is contamination by rain. To improve the wind measurement using the HY-2A scatt…