Margaret Chen
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View article: Comprehensive river cleaning: PTV analysis of a novel plastic debris removal concept in a large-scale physical model
Comprehensive river cleaning: PTV analysis of a novel plastic debris removal concept in a large-scale physical model Open
Plastic pollution in rivers represents a significant environmental threat, particularly in small- and medium-sized urban rivers, which account for major global riverine plastic emissions. This necessitates developing and optimizing effecti…
View article: AF3Score: A Score-Only Adaptation of AlphaFold3 for Biomolecular Structure Evaluation
AF3Score: A Score-Only Adaptation of AlphaFold3 for Biomolecular Structure Evaluation Open
Scoring biomolecular complexes remains central to structural modeling efforts. Recent studies suggest that AlphaFold (AF) – a revolutionary deep learning model for biomolecular structure prediction - has implicitly learned an approximate b…
View article: Estimation of spatially distributed groundwater recharge in data-scarce regions
Estimation of spatially distributed groundwater recharge in data-scarce regions Open
Study region: Upper Beles Basin, Ethiopia Focus: Data limitations significantly challenge accurate groundwater recharge estimation, especially in regions with sparse gauging stations and highly variable hydro-meteorological conditions, suc…
View article: Velocity field in a groin field: implications for sediment and nutrients transport
Velocity field in a groin field: implications for sediment and nutrients transport Open
Groins are devices used for riverbank protection. These macrostructures change the river flow, which impacts sediment and nutrient transport. Furthermore, in the inter-groin space, flow recirculations are observed. Aiming at characterizing…
View article: Building Coastal Resilience in Europe
Building Coastal Resilience in Europe Open
European coasts face multiple, interacting and cumulative pressures including those resulting from increasing greenhouse gas emissions (e.g. sea-level rise, Ocean warming, Ocean acidification, extreme events) and localised activities such …
View article: Late-Holocene Sediment Storage in Upland Valley Systems in the Gamo Highlands of Southern Ethiopia
Late-Holocene Sediment Storage in Upland Valley Systems in the Gamo Highlands of Southern Ethiopia Open
Part of the eroded soil material from the hillslopes is temporarily stored on hillslopes and in river valleys as colluvial and alluvial storage, respectively. This storage component of a catchment’s sediment budget is an important archive …
View article: W.A.T.E.R. – a structured approach for training on advanced measurement and experimental research
W.A.T.E.R. – a structured approach for training on advanced measurement and experimental research Open
W.A.T.E.R. stands for Workshop on Advanced measurement Techniques and Experimental Research. It is an initiative started in 2016 in association with the Experimental Methods and Instrumentation (EMI) committee of the International Associat…
View article: Assessing Storm Response of Multiple Intertidal Bars Using an Open-Source Automatic Processing Toolbox
Assessing Storm Response of Multiple Intertidal Bars Using an Open-Source Automatic Processing Toolbox Open
Intertidal bars are common features of sandy beaches in meso- and macro-tidal environments, yet their behaviour under storm impact and subsequent recovery remain poorly documented. Intensive surveys provide valuable information; however, i…
View article: Reply on RC2
Reply on RC2 Open
Abstract. W.A.T.E.R. stands for Workshop on Advanced measurement Techniques and Experimental Research. It is an initiative started in 2016 in association with the Experimental Methods and Instrumentation (EMI) committee of the Internationa…
View article: Reply on RC1
Reply on RC1 Open
Abstract. W.A.T.E.R. stands for Workshop on Advanced measurement Techniques and Experimental Research. It is an initiative started in 2016 in association with the Experimental Methods and Instrumentation (EMI) committee of the Internationa…
View article: Comment on gc-2021-47
Comment on gc-2021-47 Open
Abstract. W.A.T.E.R. stands for Workshop on Advanced measurement Techniques and Experimental Research. It is an initiative started in 2016 in association with the Experimental Methods and Instrumentation (EMI) committee of the Internationa…
View article: W.A.T.E.R. – a structured approach for training on advanced measurement and experimental research
W.A.T.E.R. – a structured approach for training on advanced measurement and experimental research Open
W.A.T.E.R. stands for Workshop on Advanced measurement Techniques and Experimental Research. It is an initiative started in 2016, in the scope of the Experimental Methods and Instrumentation (EMI) committee of the International Association…
View article: Estimating Precipitating Energy Flux, Average Energy, and Hall Auroral Conductance From THEMIS All-Sky-Imagers With Focus on Mesoscales
Estimating Precipitating Energy Flux, Average Energy, and Hall Auroral Conductance From THEMIS All-Sky-Imagers With Focus on Mesoscales Open
Recent attention has been given to mesoscale phenomena across geospace (∼10 s km to 500 km in the ionosphere or ∼0.5 R E to several R E in the magnetosphere), as their contributions to the system global response are important yet remain un…
View article: Energy Flux and Conductance from Meso-Scale Auroral Features Observed by All-Sky-Imagers
Energy Flux and Conductance from Meso-Scale Auroral Features Observed by All-Sky-Imagers Open
<p>Earth&#8217;s Magnetosphere-Ionosphere-Thermosphere system is inseparably coupled, with driving from above and below by various terrestrial and space weather phenomena. Global models have done well at capturing large-scale eff…
View article: Spatial and Temporal Variability in Suspended Sediment Yield for two tropical mountain catchments draining into the Southern Ethiopian Rift Valley.
Spatial and Temporal Variability in Suspended Sediment Yield for two tropical mountain catchments draining into the Southern Ethiopian Rift Valley. Open
<p>Complex terrain tropical mountainous catchments are typically characterized by intense rainfall events, flash floods and high erosion rates with large variability over short distances. Whilst these processes are known, little quan…
View article: An Analysis of the Redesigned SAT-I Mathematics: Perceptions of Teachers, English Proficient Students, and English Language Learners
An Analysis of the Redesigned SAT-I Mathematics: Perceptions of Teachers, English Proficient Students, and English Language Learners Open
This study examines how large scale assessments like the Scholastic Aptitude Test (SAT), developed for students proficient in academic English, may not produce reliable and valid outcomes for academically vulnerable students, namely Englis…
View article: Characterization of Intertidal Bar Morphodynamics Using a Bi-Annual LiDAR Dataset
Characterization of Intertidal Bar Morphodynamics Using a Bi-Annual LiDAR Dataset Open
Intertidal bars are common features on meso-and macro-tidal sandy beaches with low to moderate wave energy environments. Understanding their morphodynamics is, hence, crucial for enhancing our knowledge on beach processes which is benefici…
View article: Predicting Morphodynamics for Beach Intertidal Systems in the North Sea: A Space-Time Stochastic Approach
Predicting Morphodynamics for Beach Intertidal Systems in the North Sea: A Space-Time Stochastic Approach Open
The ability to accurately predict beach morphodynamics is of primary interest for coastal scientists and managers. With this goal in mind, a stochastic model of a sandy macrotidal barred beach is developed that is based on cross-shore elev…
View article: Early-Stage Aeolian Dune Development and Dynamics on the Upper-Beach
Early-Stage Aeolian Dune Development and Dynamics on the Upper-Beach Open
Early-stage aeolian protodunes, or ephemeral dunes, are ubiquitous features on the upper-beach, acting as requisite precursors to fully developed dunes. Their formation during high energy aeolian sand transport events plays an important ro…
View article: Relating Hydrodynamic Forcing and Topographic Response for Tide-Dominated Sandy Beaches
Relating Hydrodynamic Forcing and Topographic Response for Tide-Dominated Sandy Beaches Open
To relate hydrodynamic forcing and topographic response for a tide-dominated sandy beach, extensive field measurements were carried out in the intertidal zone. Hydrodynamics and beach topography were monitored during a total of 12 weeks at…
View article: Evaluation and Application of Multi-Source Satellite Rainfall Product CHIRPS to Assess Spatio-Temporal Rainfall Variability on Data-Sparse Western Margins of Ethiopian Highlands
Evaluation and Application of Multi-Source Satellite Rainfall Product CHIRPS to Assess Spatio-Temporal Rainfall Variability on Data-Sparse Western Margins of Ethiopian Highlands Open
The spatio-temporal characteristic of rainfall in the Beles Basin of Ethiopia is poorly understood, mainly due to lack of data. With recent advances in remote sensing, satellite derived rainfall products have become alternative sources of …
View article: PRE- and POST-STORM LiDAR SURVEYS FOR ASSESSMENT OF IMPACT ON COASTAL EROSION
PRE- and POST-STORM LiDAR SURVEYS FOR ASSESSMENT OF IMPACT ON COASTAL EROSION Open
Sustainable management of the coastal resources requires a better understanding of the processes that drive coastline change. The coastline is a highly dynamic sea-terrestrial interface. It is affected by forcing factors such as water leve…
View article: Cross-Shore Suspended Sediment Transport in Relation to Topographic Changes in the Intertidal Zone of a Macro-Tidal Beach (Mariakerke, Belgium)
Cross-Shore Suspended Sediment Transport in Relation to Topographic Changes in the Intertidal Zone of a Macro-Tidal Beach (Mariakerke, Belgium) Open
Sediment transport is a key element in intertidal beach morphodynamics, but measurements of sediment transport are often unreliable. The aim of this study is to quantify and investigate cross-shore sediment transport and the resulting topo…
View article: Dynamics of Surface Moisture Content on a Macro-tidal Beach
Dynamics of Surface Moisture Content on a Macro-tidal Beach Open
Surface moisture content is a significant factor controlling aeolian sand transport. It is influenced by atmospheric, marine and sub-surface processes. Although several studies reported direct links in surface moisture content with the pro…