Yujun Yi
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View article: Climate change and human activities amplify runoff variability risks in lower reaches of large rivers
Climate change and human activities amplify runoff variability risks in lower reaches of large rivers Open
The contributions of climate change and human activities to runoff variation have been examined in multiple individual catchments, but upstream-downstream interaction relationships remain underexplored. Here, we propose a three-tiered attr…
View article: Suspended sediment concentration within submerged vegetation canopies: An improved method
Suspended sediment concentration within submerged vegetation canopies: An improved method Open
View article: Estimating over thousands of reservoirs sedimentation and effects on sediment flux through a newly proposed sediment transport model
Estimating over thousands of reservoirs sedimentation and effects on sediment flux through a newly proposed sediment transport model Open
Dam largely traps sediments, leading to serious channel starvation and coastal erosion. Trapped sediments cause reservoir sedimentation, reducing dam capacity and its lifespan. Estimating dam trapping effects on sediment reduction and rese…
View article: Effects of operation schemes on hydrodynamics and thermal structure in a deep dimictic reservoir
Effects of operation schemes on hydrodynamics and thermal structure in a deep dimictic reservoir Open
The operation scheme significantly influences the hydrodynamic characteristics and thermal structure of reservoirs by altering regulation cycles and water level conditions, which are crucial for shaping the ecological environment. This stu…
View article: Editorial: Water and ecological systems: responses, management, and restoration, volume II
Editorial: Water and ecological systems: responses, management, and restoration, volume II Open
View article: Prediction of Future Chlorophyll‐a Concentrations in Large Eutrophic Shallow Lakes Under Multiple Stressors
Prediction of Future Chlorophyll‐a Concentrations in Large Eutrophic Shallow Lakes Under Multiple Stressors Open
Assessing future chlorophyll‐a (Chl‐a) changes is crucial for developing effective lake management programs. Future assessments should integrate socio‐economic and climatic factors, including extreme climate impacts. However, such assessme…
View article: Role of hydraulic residence time in shaping phytoplankton community assembly in the upper yellow river cascade reservoirs
Role of hydraulic residence time in shaping phytoplankton community assembly in the upper yellow river cascade reservoirs Open
Introduction: Cascade hydropower development significantly alters the structure and function of river ecosystems. Phytoplankton, as primary producers, are highly sensitive to environmental changes, and their diversity and community structu…
View article: Cascaded Machine Learning of Soil Moisture and Salinity Prediction in Estuarine Wetlands Based on In Situ Internet of Things Monitoring
Cascaded Machine Learning of Soil Moisture and Salinity Prediction in Estuarine Wetlands Based on In Situ Internet of Things Monitoring Open
Estuarine wetlands, formed by the interaction of fluvial and tidal processes, exhibit complex spatiotemporal variations in soil moisture and salinity. Predicting soil moisture and salinity in estuarine wetlands is key for ecosystem managem…
View article: Using optimized dimensionality reduction and machine learning to explain driving processes of phytoplankton community assembly in large mountain rivers
Using optimized dimensionality reduction and machine learning to explain driving processes of phytoplankton community assembly in large mountain rivers Open
Large mountain rivers create unique aquatic habitats and become one of biodiversity hot spots within ecosystems. Since phytoplankton constitutes a crucial component of primary productivity in aquatic ecosystems, understanding its community…
View article: Divergent Trends of Open Surface Water Body Area of River and Lake Dominated Regions in the Yangtze River Basin from 1986 to 2022
Divergent Trends of Open Surface Water Body Area of River and Lake Dominated Regions in the Yangtze River Basin from 1986 to 2022 Open
Anthropogenic and climatic stresses threaten water security across the Yangtze River Basin (YZRB), which safeguards the population and economic development that is responsible for nearly half China’s GDP. Understanding trends and drivers o…
View article: Quantifying Biodiversity's Present and Future: Current Potentials and SSP‐RCP‐Driven Land Use Impacts
Quantifying Biodiversity's Present and Future: Current Potentials and SSP‐RCP‐Driven Land Use Impacts Open
Biodiversity, vital for ecosystem stability and human well‐being, faces threats from land use and climate change. Accurately predicting these effects is crucial for effective conservation. High emission development scenario is commonly vie…
View article: Unraveling the Role of Natural Attributes in Driving Lake Ecosystem Response Patterns to Nutrient Variations
Unraveling the Role of Natural Attributes in Driving Lake Ecosystem Response Patterns to Nutrient Variations Open
The worldwide compound effects of human activities and climate change increase the risk of catastrophic regime shifts in lake ecosystems—sudden switches to a contrasting condition that can drastically alter ecological states and are often …
View article: Tracking the Dynamics of Salt Marsh Including Mixed-Vegetation Zones Employing Sentinel-1 and Sentinel-2 Time-Series Images
Tracking the Dynamics of Salt Marsh Including Mixed-Vegetation Zones Employing Sentinel-1 and Sentinel-2 Time-Series Images Open
Salt marshes, as one of the most productive ecosystems on earth, have experienced fragmentation, degradation, and losses due to the impacts of climate change and human overexploitation. Accurate monitoring of vegetation distribution and co…
View article: Hydrological changes in the Upper Yellow River under the impact of upstream cascade reservoirs over the past 70 years
Hydrological changes in the Upper Yellow River under the impact of upstream cascade reservoirs over the past 70 years Open
Study region: The Upper Yellow River Basin (UYRB), China. Study focus: In this study, a variety of mathematical statistical methods, the Indicators of Hydrologic Alteration—Range of Variability (IHA-RVA) method, and the newly proposed Flow…
View article: Study on the effects of extreme climate and human activities on the growth mechanisms of Zostera japonica in the Yellow River estuary
Study on the effects of extreme climate and human activities on the growth mechanisms of Zostera japonica in the Yellow River estuary Open
Zostera japonica , as one of the major seagrasses in the Yellow River Estuary, plays a critical ecological role, particularly in providing habitat for marine organisms, stabilizing sediment, and contributing significantly to carbon sequest…
View article: Comparative Validation and Misclassification Diagnosis of 30-Meter Land Cover Datasets in China
Comparative Validation and Misclassification Diagnosis of 30-Meter Land Cover Datasets in China Open
Land cover maps with high accuracy are essential for environmental protection and climate change research. The 30-meter-resolution maps, with their better resolution and longer historical records, are extensively utilized to assess changes…
View article: Study on carbon emissions of a small hydropower plant in Southwest China
Study on carbon emissions of a small hydropower plant in Southwest China Open
Hydropower plants with a small installed capacity, which are widely distributed in mountainous areas with abundant rainfall and steep rivers, play an important role in resolving energy problems in remote rural areas. These plants are a cru…
View article: Seasonal Variations of Sediment Fungal Community of a Shallow Lake in North China
Seasonal Variations of Sediment Fungal Community of a Shallow Lake in North China Open
Fungi play important roles in the process of material cycling and energy transfers in aquatic ecosystems. Yet, little is known about the fungal community in lake sediment. In this study, sediment samples from five habitat types in Baiyangd…
View article: A Long-Term Evaluation of the Ecohydrological Regime in a Semiarid Basin: A Case Study of the Huangshui River in the Yellow River Basin, China
A Long-Term Evaluation of the Ecohydrological Regime in a Semiarid Basin: A Case Study of the Huangshui River in the Yellow River Basin, China Open
This study aimed to evaluate the ecohydrological regime and ecological water demand of the Huangshui River Basin under changing environmental conditions, seeking to safeguard its ecosystem. Based on monthly data spanning from 1956 to 2016,…
View article: Seasonal Variations of Sediment Fungal Community of a Shallow Lake in North China
Seasonal Variations of Sediment Fungal Community of a Shallow Lake in North China Open
Fungi play important roles in the process of material cycling and energy transfers in aquatic ecosystems. Yet little is known about the fungal community in lake sediment. In this study, sediment samples from five habitat types in Baiyangdi…
View article: A review of reservoir carbon Cycling: Key Processes, influencing factors and research methods
A review of reservoir carbon Cycling: Key Processes, influencing factors and research methods Open
Based on the focus on the role of reservoirs as carbon sources and sinks, this article explores their impact on the global carbon cycle. Reservoirs, which are “artificial lakes” created by human activities in rivers, are reviewed in terms …
View article: Mechanism and threshold of environmental stressors on seagrass in high-turbidity estuary: case of Zostera japonica in Yellow River Estuary, China
Mechanism and threshold of environmental stressors on seagrass in high-turbidity estuary: case of Zostera japonica in Yellow River Estuary, China Open
Zostera japonica ( Z. japonica ), the most widely distributed seagrass species in temperate estuaries, has experienced a dramatic decline of nearly 75% over the past decade. While previous research has investigated the adaptation of seagra…
View article: Analysing carbon density in urban parks by considering the management of different functional parks: A case study in Beijing
Analysing carbon density in urban parks by considering the management of different functional parks: A case study in Beijing Open
Urban parks are a major component of urban green spaces and are reserved for recreation, aesthetics and cultural heritage. With increasing attention to carbon neutrality in China, urban parks play an important role in carbon sequestration.…
View article: A bacteria-based index of biotic integrity indicates aquatic ecosystem restoration
A bacteria-based index of biotic integrity indicates aquatic ecosystem restoration Open
View article: Functional trait-based phytoplankton biomass and assemblage analyses in the pre-growing season for comprehensive algal bloom risk assessment
Functional trait-based phytoplankton biomass and assemblage analyses in the pre-growing season for comprehensive algal bloom risk assessment Open
Algal bloom (AB) risk assessment is critical for maintaining ecosystem health and human sustainability. Previous AB risk assessments have focused on the potential occurrence of ABs and related factors in the growing season, whereas their h…
View article: The Application and Practice of Smart Classroom in Teaching Non-Heritage Music
The Application and Practice of Smart Classroom in Teaching Non-Heritage Music Open
New technology brings about a comprehensive change in the form of education at all levels and in all types of schools, the article frstly begins with the concept of smart classroom and analyses the practical application of smart classroom …
View article: Effectiveness of Urban Distributed Runoff Model for Discharge and Water Depth Calculation in Urban Drainage Pipe Networks
Effectiveness of Urban Distributed Runoff Model for Discharge and Water Depth Calculation in Urban Drainage Pipe Networks Open
Effective urban land-use re-planning and the strategic arrangement of drainage pipe networks can significantly enhance a city's capacity to mitigate flood risks. Aimed at reducing the potential risks of urban flooding, this paper presents …
View article: Accuracy Assessment and Inconsistency Diagnosis of 30-Meter Land Cover Datasets in China
Accuracy Assessment and Inconsistency Diagnosis of 30-Meter Land Cover Datasets in China Open
View article: Climate Change Can Mitigate the Negative Impacts of Reservoir Thermal Hysteresis Effects on Rare Fish Reproduction
Climate Change Can Mitigate the Negative Impacts of Reservoir Thermal Hysteresis Effects on Rare Fish Reproduction Open
View article: A Framework for Analyzing the Eco-Hydrothermal Regime of Regulated River Under Climate Change and Reservoir Impoundment
A Framework for Analyzing the Eco-Hydrothermal Regime of Regulated River Under Climate Change and Reservoir Impoundment Open