Denghua Yan
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View article: Multidimensional risk assessment framework for water and land resources in alpine plateau regions under climate change: a case study of the source regions of the Yangtze and Yellow Rivers
Multidimensional risk assessment framework for water and land resources in alpine plateau regions under climate change: a case study of the source regions of the Yangtze and Yellow Rivers Open
View article: Warming climate and water withdrawals threaten river flow connectivity in China
Warming climate and water withdrawals threaten river flow connectivity in China Open
River flow connectivity, the continuity of fluvial discharge in space and time, provides a crucial lifeline for most biotic communities on Earth. Yet there is still limited understanding of the impacts of climate change and human water wit…
View article: Drought–flood abrupt alternation events increase soil nitrogen loss via surface runoff in a typical grain base in China
Drought–flood abrupt alternation events increase soil nitrogen loss via surface runoff in a typical grain base in China Open
Study region: Northern Anhui Plain, China. Study focus: This study analyzed the nitrogen (N) mitigation (N storage in soil, plants, and surface runoff) under drought–flood abrupt alternation (DFAA) in summer maize farmland systems based on…
View article: Quantifying the process of lake encroachment from the perspective of satellite remote sensing
Quantifying the process of lake encroachment from the perspective of satellite remote sensing Open
View article: Glacier meltwater has limited contributions to the total runoff in the major rivers draining the Tibetan Plateau
Glacier meltwater has limited contributions to the total runoff in the major rivers draining the Tibetan Plateau Open
The Tibetan Plateau is the headwaters of several major river basins, but uncertainties exist in the estimated contributions of glacial melt and groundwater to runoff. We present a new tracer-aided glacio-hydrological model constrained by m…
View article: Characteristic, relationship and impact of thermokarst lakes and retrogressive thaw slumps over the Qinghai-Tibetan plateau
Characteristic, relationship and impact of thermokarst lakes and retrogressive thaw slumps over the Qinghai-Tibetan plateau Open
Thermokarst lakes (TLs) and retrogressive thaw slumps (RTSs) are common thermokarst landscapes that play a crucial role in regulating hydrology, ecology, and biogeochemical elements in permafrost regions. However, how TLs, as water accumul…
View article: Significant increase and escalation of drought-flood abrupt alteration in China's future
Significant increase and escalation of drought-flood abrupt alteration in China's future Open
Drought-flood abrupt alteration (DFAA) events threaten global food security, exacerbated by global warming, particularly in China. Given this, a more refined and comprehensive analysis of DFAA events in China can provide valuable insights …
View article: Advancing hydrological understanding in cold regions: development and application of the WEP model for lateral flow estimation in the Great Lakes Depression of Mongolia
Advancing hydrological understanding in cold regions: development and application of the WEP model for lateral flow estimation in the Great Lakes Depression of Mongolia Open
In an era of rapid environmental change, accurately modeling aquatic ecosystems, particularly the lateral water flow through soil and permafrost, remains a pressing need. This study addresses this through the Water and Energy Transfer Proc…
View article: Electric ship: A new hope for reducing carbon emissions
Electric ship: A new hope for reducing carbon emissions Open
View article: Energy analysis and value evaluation of water use process in different land types based on the water-carbon cycle
Energy analysis and value evaluation of water use process in different land types based on the water-carbon cycle Open
The scientific identification and evaluation of the ecological and economic value of water and land resources is fundamental for the rational allocation and sustainable utilization. However, traditional research often approaches this issue…
View article: Novel framework for quantifying dam construction, climate change, and land-use change impacts on flow regime: A case study in Ganjiang River Basin, China
Novel framework for quantifying dam construction, climate change, and land-use change impacts on flow regime: A case study in Ganjiang River Basin, China Open
Study region: This study was conducted in the Ganjiang River Basin, situated in eastern China. Study focus: Previous studies often quantified the impacts of climate change, land use, and dam construction on flow regime by only focusing on …
View article: Predicting Ili River streamflow change and identifying the major drivers with a novel hybrid model
Predicting Ili River streamflow change and identifying the major drivers with a novel hybrid model Open
Study region: Ili River, the main river in the Lake Balkhash basin. Study focus: This study introduces a novel hybrid model by coupling the Soil and Water Assessment Tool (SWAT) hydrological model with machine learning algorithms. It aims …
View article: Study on the price mechanism and quantitative calculation of water supply for water network projects oriented to green development
Study on the price mechanism and quantitative calculation of water supply for water network projects oriented to green development Open
To accelerate the construction of the national water network and improve the efficiency of project operation and management, and focus on the reform of innovative water pricing mechanism, we put forward the mechanism of water price formati…
View article: Trend analysis of hydro-climatic variables in the Great Lakes Depression region of Mongolia
Trend analysis of hydro-climatic variables in the Great Lakes Depression region of Mongolia Open
Arid and semi-arid regions are the first to be affected by hydro-climatic changes. The Great Lakes Depression Basin in western Mongolia is the most notable example of such a region. Therefore, analyzing hydro-climatic changes in the Great …
View article: Response of Vegetation to Drought in the Source Region of the Yangtze and Yellow Rivers Based on Causal Analysis
Response of Vegetation to Drought in the Source Region of the Yangtze and Yellow Rivers Based on Causal Analysis Open
The vegetation and ecosystem in the source region of the Yangtze River and the Yellow River (SRYY) are fragile. Affected by climate change, extreme droughts are frequent and permafrost degradation is serious in this area. It is very import…
View article: Study on the Price Mechanism and Quantitative Calculation of Water Supply for Water Network Projects Oriented to Green Development
Study on the Price Mechanism and Quantitative Calculation of Water Supply for Water Network Projects Oriented to Green Development Open
View article: Energy Analysis and Value Evaluation of Water Use Process in Different Land Types Based on the Water-Carbon Cycle
Energy Analysis and Value Evaluation of Water Use Process in Different Land Types Based on the Water-Carbon Cycle Open
View article: Evaluation of sustainability development of the eco-economic system of water and soil resources based on emergy analysis
Evaluation of sustainability development of the eco-economic system of water and soil resources based on emergy analysis Open
Due to the swift progress of the economy and society and the rapid escalation of urbanization rates, the sustainable examination of individual water or land resources is no longer adequate to satisfy the rational allocation demands of urba…
View article: Real‐time prediction and ponding process early warning method at urban flood points based on different deep learning methods
Real‐time prediction and ponding process early warning method at urban flood points based on different deep learning methods Open
Accurate prediction of urban floods is regarded as one of the critical means to prevent urban floods and reduce the losses caused by floods. In this study, a refined prediction and early warning method system for urban flood and waterloggi…
View article: Analysis of the evolution of ecosystem service value and its driving factors in the Yellow River Source Area, China
Analysis of the evolution of ecosystem service value and its driving factors in the Yellow River Source Area, China Open
The Yellow River Source Area (YRSA) functions as an ecological barrier within the Yellow River Basin, playing a significant role in providing indispensable ecosystem services. Analyzing the ecosystem service value (ESV) of YRSA holds great…
View article: Hydro-Climatic and Vegetation Dynamics Spatial-Temporal Changes in the Great Lakes Depression Region of Mongolia
Hydro-Climatic and Vegetation Dynamics Spatial-Temporal Changes in the Great Lakes Depression Region of Mongolia Open
The Great Lakes Depression region basin is among the most sensitive regions to vegetation change due to climate change. This study estimated spatial-temporal changes and relationships in hydro-climate and vegetation dynamics in the basin. …
View article: Spatiotemporal Variations of Global Terrestrial Typical Vegetation EVI and Their Responses to Climate Change from 2000 to 2021
Spatiotemporal Variations of Global Terrestrial Typical Vegetation EVI and Their Responses to Climate Change from 2000 to 2021 Open
With the increasing impact of climate change on ecosystems, it is crucial to analyze how changes in precipitation and temperature affect global ecosystems. Therefore, this study aims to investigate the spatiotemporal variation characterist…
View article: A Complementary Streamflow Attribution Framework Coupled Climate, Vegetation and Water Withdrawal
A Complementary Streamflow Attribution Framework Coupled Climate, Vegetation and Water Withdrawal Open
View article: Research progress on hydrological effects of permafrost degradation in the Northern Hemisphere
Research progress on hydrological effects of permafrost degradation in the Northern Hemisphere Open
Permafrost degradation alters the flow rate, direction, and storage capacity of soil moisture, affecting ecohydrological effects and climate systems, and posing a potential threat to natural and human systems. The most widely distributed p…
View article: Risk assessment and configuration of water and land resources system network in the Huang-Huai-Hai watershed
Risk assessment and configuration of water and land resources system network in the Huang-Huai-Hai watershed Open
Under the influence of global warming and human activities, the risk sources of land and water resources system networks are complex and uncertain, which has induced a series of ecological and environmental problems. It is of great signifi…
View article: Applicability evaluation of three improved temperature vegetation dryness indices in High Mountain Asia
Applicability evaluation of three improved temperature vegetation dryness indices in High Mountain Asia Open
Study region: High Mountain Asia (Qinghai-Tibet Plateau and surrounding areas) (HMA) Study focus: Soil dryness and wetness in HMA respond dramatically to global climate change. Monitoring soil moisture can provide a scientific foundation f…
View article: Will China's Yellow River basin suffer more serious combined dry and wet abrupt alternation in the future?
Will China's Yellow River basin suffer more serious combined dry and wet abrupt alternation in the future? Open
View article: Evaluation of water-land resources regulation potential in the Yiluo River Basin, China
Evaluation of water-land resources regulation potential in the Yiluo River Basin, China Open
Our study was designed to spatially assess the regulation potential of watershed water-land resources, and determine its regulation objectives for subsequent optimal allocation. We centred around the Yiluo River Basin, being a soil conserv…
View article: Effects of precipitation concentration and human activities on city runoff changes
Effects of precipitation concentration and human activities on city runoff changes Open
Under the dual influence of precipitation and human activity, urban runoff has changed significantly. To evaluate how these two factors may affect city runoff, we used hydro statistical methods to provide a scientific basis for the evoluti…
View article: Simulation of stream flows and climate trend detections using WEAP model in awash river basin
Simulation of stream flows and climate trend detections using WEAP model in awash river basin Open
The shrinking of water resources along with the frequent droughts plays an effective role in intensifying the water crisis. Climate change adversely affects the hydrological cycle at the basin level. These are often reflected in the water …