Meihong Ma
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View article: Explainable flash flood susceptibility mapping on the Tibetan Plateau
Explainable flash flood susceptibility mapping on the Tibetan Plateau Open
Flash flood hazards on the Qinghai–Tibet Plateau are surging under rapid warming and humidification, driving glacier retreat, lake outbursts, and extreme precipitation that imperil water security across Asia. To address the limitations of …
View article: The Interannual Cyclicity of Precipitation in Xinjiang During the Past 70 Years and Its Contributing Factors
The Interannual Cyclicity of Precipitation in Xinjiang During the Past 70 Years and Its Contributing Factors Open
Precipitation cyclicity plays a crucial role in regional water supply and climate predictions. In this study, we used observational data from 34 representative meteorological stations in the Xinjiang region, a major part of inland arid Chi…
View article: A novel dynamic flash flood early warning framework based on distributed hydrologic modeling
A novel dynamic flash flood early warning framework based on distributed hydrologic modeling Open
Flash flood disaster prevention urgently requires high-precision hydrological models. However, extreme weather increases the uncertainty of flash flood risks, making it difficult for existing hydrological models to accurately simulate the …
View article: A cooperative search algorithm-based flood forecasting framework: application across diverse Chinese catchments
A cooperative search algorithm-based flood forecasting framework: application across diverse Chinese catchments Open
Flood forecasting is crucial for disaster mitigation, particularly in regions prone to flash floods. This study introduces a novel flood forecasting framework by coupling the Geomorphological Instantaneous Unit Hydrograph (GIUH) with the X…
View article: Flash flood simulation based on distributed hydrological model in future scenarios
Flash flood simulation based on distributed hydrological model in future scenarios Open
Extreme rainfall events are frequent, particularly in economically underdeveloped hilly areas, where conventional hydrological models struggle to accurately simulate the formation of flash floods. Therefore, this study focuses on the Daxi …
View article: Application of Unmanned Aerial Vehicle Remote Sensing System in Low Temperature Rain, Snow and Ice Disaster Monitoring
Application of Unmanned Aerial Vehicle Remote Sensing System in Low Temperature Rain, Snow and Ice Disaster Monitoring Open
The unmanned aerial vehicle (UAV) remote sensing system, as a versatile and efficient monitoring tool, exhibits unique advantages in monitoring low-temperature rain, snow, and freezing disasters. Equipped with a variety of sensors, it is c…
View article: Backward erosion piping mechanism in dike foundations with and without landside blanket layers: numerical simulation of size effects
Backward erosion piping mechanism in dike foundations with and without landside blanket layers: numerical simulation of size effects Open
Introduction This study investigates the backward erosion piping mechanism and its dependency on model size through both experiments and numerical simulations. The objective is to understand how different model dimensions affect the hydrau…
View article: Exploring the Annual Dynamics of China’s Rivers From 2016 to 2023 Based on Sentinel-Derived Datasets
Exploring the Annual Dynamics of China’s Rivers From 2016 to 2023 Based on Sentinel-Derived Datasets Open
Rivers play import roles in ecological biodiversity, shipping trade, and carbon cycle. In our study, we developed an effective, robust, and accurate algorithm for national-scale river mapping, and produced the annual China river extent dat…
View article: Annual river dataset in China: a new product with a 10 m spatial resolution from 2016 to 2023
Annual river dataset in China: a new product with a 10 m spatial resolution from 2016 to 2023 Open
Rivers play important roles in ecological biodiversity, shipping trade and the carbon cycle. Owing to human disturbances and extreme climates in recent decades, river extents have altered frequently and dramatically. The development of seq…
View article: Global-scale ERA5 product precipitation and temperature evaluation
Global-scale ERA5 product precipitation and temperature evaluation Open
ERA5 (European Centre for Medium-Range Weather Forecasts Reanalysis Fifth Generation) is a significant dataset in climate reanalysis. Conducting a global-scale accuracy assessment and spatiotemporal distribution characteristic study of its…
View article: The disaster-causing factors of the flash floods for the July 20th extreme rainstorm in Henan, China
The disaster-causing factors of the flash floods for the July 20th extreme rainstorm in Henan, China Open
Global warming has accelerated the frequency and intensity of extreme rainfall events in mountainous areas. Coupled with their vulnerable environment and the impact of intensive human activities, along with the complex and variable causes …
View article: Time-Transgressive Onset of Holocene Climate Optimum in Arid Central Asia and Its Association with Cultural Exchanges
Time-Transgressive Onset of Holocene Climate Optimum in Arid Central Asia and Its Association with Cultural Exchanges Open
Arid central Asia (ACA) is dominated by mid-latitude westerlies and characterized by a climate optimum (a relatively humid climate that has supported the development of human culture) in clear contrast with the climate of monsoonal Asia du…
View article: Comprehensive Risk Assessment Framework for Flash Floods in China
Comprehensive Risk Assessment Framework for Flash Floods in China Open
Accurately assessing the risk of flash floods is a fundamental prerequisite for defending against flash flood disasters. The existing methods for assessing flash flood risk are constrained by unclear key factors and challenges in elucidati…
View article: County-Level Flash Flood Warning Framework Coupled with Disaster-Causing Mechanism
County-Level Flash Flood Warning Framework Coupled with Disaster-Causing Mechanism Open
Climate change has intensified the risk of extreme precipitation, while mountainous areas are constrained by complex disaster mechanisms and difficulties in data acquisition, making it challenging for existing critical rainfall threshold a…
View article: Spatiotemporal drought characteristics during growing seasons of the winter wheat and summer maize in the North China Plain
Spatiotemporal drought characteristics during growing seasons of the winter wheat and summer maize in the North China Plain Open
The North China plain (NCP) is an important production base for winter wheat and summer maize in China. Severe droughts seriously restrict agricultural production in this region, threatening food security. Based on the standardized precipi…
View article: Simulated research on distributed hydrological models–a case study of the Daxi Water Basin
Simulated research on distributed hydrological models–a case study of the Daxi Water Basin Open
Against the backdrop of global climate warming, the issue of flash flood disasters in small watersheds triggered by heavy rainfall is gradually becoming more prominent. Selecting an appropriate hydrological model is crucial for flash flood…
View article: Improving Spatial Resolution of GRACE-Derived Water Storage Changes Based on Geographically Weighted Regression Downscaled Model
Improving Spatial Resolution of GRACE-Derived Water Storage Changes Based on Geographically Weighted Regression Downscaled Model Open
Obtaining high-resolution products that can accurately estimate the spatiotemporal changes in regional water resources is essential for the rational utilization of water resources. The temporal gravity field model derived from the Gravity …
View article: Can GPM IMERG Capture Extreme Precipitation in North China Plain?
Can GPM IMERG Capture Extreme Precipitation in North China Plain? Open
Extreme precipitation events (EPE) often cause catastrophic floods accompanied by serious economic losses and casualties. The latest version (V06) of the Integrated Multi-satellite Retrievals for Global Precipitation Measurement (GPM IMERG…
View article: Analysis on Temporal and Spatial Pattern Change and Driving Force of Land Use in Agro Pastoral Ecotone in Northern Shanxi
Analysis on Temporal and Spatial Pattern Change and Driving Force of Land Use in Agro Pastoral Ecotone in Northern Shanxi Open
Land use change is a considerable representation of mutual effect between human and natural activities. Northern Shanxi is located in the northern agro pastoral ecotone, which the land use pattern changes violently. This paper focuses on t…
View article: Analysis of Rainstorm Flood Induced Flash Flood in Wende River Basin
Analysis of Rainstorm Flood Induced Flash Flood in Wende River Basin Open
Due to the joint influence of climate and topography, flash flood disasters in the Wende River Basin of Jilin Province occurred repeatedly, causing serious casualties and huge economic losses; in July 2017, three floods with large rainfall…
View article: Estimating Daily Actual Evapotranspiration at a Landsat-Like Scale Utilizing Simulated and Remote Sensing Surface Temperature
Estimating Daily Actual Evapotranspiration at a Landsat-Like Scale Utilizing Simulated and Remote Sensing Surface Temperature Open
Actual evapotranspiration (ET) with high spatiotemporal resolution is very important for the research on agricultural water resource management and the water cycle processes, and it is helpful to realize precision agriculture and smart agr…
View article: Development of a new rainfall‐triggering index of flash flood warning‐case study in Yunnan province, China
Development of a new rainfall‐triggering index of flash flood warning‐case study in Yunnan province, China Open
Flash floods, characterized by rapid, short‐duration, and high‐velocity flows, are the major causes of property damage and casualties worldwide. Flash flood warning is one of the key measures to prevent flash floods. Relying upon rain gage…
View article: Multi-scale update on precipitation characteristics at Jinan, East China
Multi-scale update on precipitation characteristics at Jinan, East China Open
Extreme precipitation triggered by climate change is a hot issue of global concern. This study investigates changes in temporal trends of precipitation at Jinan City, Shandong Province over the last six decades. It first constructs a long …
View article: Application of the GPM-IMERG Products in Flash Flood Warning: A Case Study in Yunnan, China
Application of the GPM-IMERG Products in Flash Flood Warning: A Case Study in Yunnan, China Open
NASA’s Integrated Multi-Satellite Retrievals for Global Precipitation Measurement (IMERG) is a major source of precipitation data, having a larger coverage, higher precision, and a higher spatiotemporal resolution than previous products, s…
View article: Update of Early Warning Indicators of Flash Floods: A Case Study of Hunjiang District, Northeastern China
Update of Early Warning Indicators of Flash Floods: A Case Study of Hunjiang District, Northeastern China Open
The China flash flood investigation and evaluation database (CFFIED) covers important information needed for China’s flash flood warning. This paper uses a statistical induction method, inference formula method and standardized unit hydrog…
View article: Flash Flood Risk Analysis Based on Machine Learning Techniques in the Yunnan Province, China
Flash Flood Risk Analysis Based on Machine Learning Techniques in the Yunnan Province, China Open
Flash flood, one of the most devastating weather-related hazards in the world, has become more and more frequent in past decades. For the purpose of flood mitigation, it is necessary to understand the distribution of flash flood risk. In t…