Peter K. Kitanidis
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View article: Multi-fidelity Hamiltonian Monte Carlo
Multi-fidelity Hamiltonian Monte Carlo Open
Numerous applications in biology, statistics, science, and engineering require generating samples from high-dimensional probability distributions. In recent years, the Hamiltonian Monte Carlo (HMC) method has emerged as a state-of-the-art …
View article: Aquifer conditions, not irradiance determine the potential of photovoltaic energy for groundwater pumping across Africa
Aquifer conditions, not irradiance determine the potential of photovoltaic energy for groundwater pumping across Africa Open
Groundwater pumping using photovoltaic energy has the potential to transform water services in poorly served areas. Here we develop a numerical model that uses openly available data to simulate the abstraction capacities of photovoltaic wa…
View article: Effective approaches to disaster evacuation during a COVID-like pandemic
Effective approaches to disaster evacuation during a COVID-like pandemic Open
Since COVID-19 vaccines became available, no studies have quantified how different disaster evacuation strategies can mitigate pandemic risks in shelters. Therefore, we applied an age-structured epidemiological model, known as the Suscepti…
View article: Improving debris flow evacuation alerts in Taiwan using machine learning
Improving debris flow evacuation alerts in Taiwan using machine learning Open
Taiwan has the highest susceptibility to and fatalities from debris flows worldwide. The existing debris flow warning system in Taiwan, which uses a time-weighted measure of rainfall, leads to alerts when the measure exceeds a predefined t…
View article: Effective approaches to disaster evacuation during a COVID-like pandemic
Effective approaches to disaster evacuation during a COVID-like pandemic Open
Since COVID-19 vaccines became available, no studies have quantified how different disaster evacuation strategies can mitigate pandemic risks in shelters. Therefore, we applied an age-structured epidemiological model, known as the Suscepti…
View article: Improving debris flow evacuation alerts in Taiwan using machine learning
Improving debris flow evacuation alerts in Taiwan using machine learning Open
Taiwan has the highest susceptibility to and fatalities from debris flows worldwide. The existing debris flow warning system in Taiwan, which uses a time-weighted measure of rainfall, leads to alerts when the measure exceeds a predefined t…
View article: Hierarchical Bayesian Inversion of Global Variables and Large‐Scale Spatial Fields
Hierarchical Bayesian Inversion of Global Variables and Large‐Scale Spatial Fields Open
Bayesian inversion is commonly applied to quantify uncertainty of hydrological variables. However, Bayesian inversion is usually focused on spatial hydrological properties instead of hyperparameters or non‐gridded physical global variables…
View article: Research data supporting "A validated model of a photovoltaic water pumping system for off-grid rural communities"
Research data supporting "A validated model of a photovoltaic water pumping system for off-grid rural communities" Open
Research data supporting "A validated model of a photovoltaic water pumping system for off-grid rural communities", Applied Energy, 2019
View article: Research data supporting "A validated model of a photovoltaic water pumping system for off-grid rural communities"
Research data supporting "A validated model of a photovoltaic water pumping system for off-grid rural communities" Open
Research data supporting "A validated model of a photovoltaic water pumping system for off-grid rural communities", Applied Energy, 2019
View article: Deep learning-based fast solver of the shallow water equations
Deep learning-based fast solver of the shallow water equations Open
Fast and reliable prediction of river flow velocities is important in many applications, including flood risk management. The shallow water equations (SWEs) are commonly used for this purpose. However, traditional numerical solvers of the …
View article: Variational encoder geostatistical analysis (VEGAS) with an application to large scale riverine bathymetry
Variational encoder geostatistical analysis (VEGAS) with an application to large scale riverine bathymetry Open
Estimation of riverbed profiles, also known as bathymetry, plays a vital role in many applications, such as safe and efficient inland navigation, prediction of bank erosion, land subsidence, and flood risk management. The high cost and com…
View article: Routing Algorithms as Tools for Integrating Social Distancing with Emergency Evacuation
Routing Algorithms as Tools for Integrating Social Distancing with Emergency Evacuation Open
We explore the implications of integrating social distancing with emergency evacuation, as would be expected when a hurricane approaches a city during the COVID-19 pandemic. Specifically, we compare DNN (Deep Neural Network)-based and non-…
View article: Hydraulic conductivity and dispersion upscaling for high-dimensional groundwater flow and transport
Hydraulic conductivity and dispersion upscaling for high-dimensional groundwater flow and transport Open
Porous geologic formations display complex heterogeneity at various scales. To describe groundwater flow and transport processes more accurately, one must develop models that honor the heterogeneity and anisotropy of porous media as much a…
View article: Application of deep learning to large scale riverine flow velocity\n estimation
Application of deep learning to large scale riverine flow velocity\n estimation Open
Fast and reliable prediction of riverine flow velocities is important in many\napplications, including flood risk management. The shallow water equations\n(SWEs) are commonly used for prediction of the flow velocities. However,\naccurate a…
View article: Turning Sun into Water - Present status and perspectives
Turning Sun into Water - Present status and perspectives Open
International audience
View article: Application of Deep Learning-based Interpolation Methods to Nearshore Bathymetry
Application of Deep Learning-based Interpolation Methods to Nearshore Bathymetry Open
Nearshore bathymetry, the topography of the ocean floor in coastal zones, is vital for predicting the surf zone hydrodynamics and for route planning to avoid subsurface features. Hence, it is increasingly important for a wide variety of ap…
View article: Sensitivity Analysis of Photovoltaic Pumping Systems for Domestic Water Supply
Sensitivity Analysis of Photovoltaic Pumping Systems for Domestic Water Supply Open
International audience
View article: Data from the monitoring of a photovoltaic water pumping system in Burkina Faso - February, May, July, August 2018
Data from the monitoring of a photovoltaic water pumping system in Burkina Faso - February, May, July, August 2018 Open
The data are fully described in the article: S. Meunier, M. Heinrich, L. Queval, J.A. Cherni, L. Vido, A. Darga, Ph. Dessante, B. Multon, P.K. Kitanidis, C. Marchand, "A validated model of a photovoltaic water pumping system for off-grid r…
View article: Development of a Reliable Hydraulic Conductivity Upscaling Tool for High Dimensional Groundwater Flow Models
Development of a Reliable Hydraulic Conductivity Upscaling Tool for High Dimensional Groundwater Flow Models Open
Porous media in nature exhibit complex and irregular geometry, and understanding of the underlying heterogeneity is key to the accurate description of groundwater flow and transport processes. Specifically, the appropriate representation o…
View article: Towards imaging the spatial distribution of geochemical heterogeneities and arsenic sources
Towards imaging the spatial distribution of geochemical heterogeneities and arsenic sources Open
We propose a methodology to image the spatial distribution of reactive minerals in the subsurface based on distributed sensor measurements of water quality parameters coupled with forward and inverse reactive transport modeling. We focus o…
View article: Effect of irradiance data on the optimal sizing of photovoltaic water pumping systems
Effect of irradiance data on the optimal sizing of photovoltaic water pumping systems Open
International audience
View article: Modelling and Optimal Sizing of Photovoltaic Water Pumping Systems – Sensitivity Analysis
Modelling and Optimal Sizing of Photovoltaic Water Pumping Systems – Sensitivity Analysis Open
International audience