Pedro Martínez‐Santos
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View article: A surrogate approach to model groundwater level in time and space based on tree regressors
A surrogate approach to model groundwater level in time and space based on tree regressors Open
Groundwater is a crucial resource for humans and the environment. Protection of groundwater supplies requires tools to explore and understand the behavior of aquifers. This research presents a machine learning approach to predict groundwat…
View article: An Automated Method to Assess the Suitability of Existing Boreholes for Solar-Based Pumping Systems: An Application to Southern Madagascar
An Automated Method to Assess the Suitability of Existing Boreholes for Solar-Based Pumping Systems: An Application to Southern Madagascar Open
Groundwater provides a strategic resource in the face of uncertain climate conditions in arid and semi-arid regions. Solar-based groundwater pumping is quickly gaining ground across rural sub-Saharan Africa, promoted by national and intern…
View article: A machine learning approach to site groundwater contamination monitoring wells
A machine learning approach to site groundwater contamination monitoring wells Open
Effective monitoring of groundwater contamination is crucial to protect human livelihoods and ecosystems. This paper presents a machine learning-based approach to improve groundwater monitoring networks by providing predictions of groundwa…
View article: A Machine Learning Approach to Map the Vulnerability of Groundwater Resources to Agricultural Contamination
A Machine Learning Approach to Map the Vulnerability of Groundwater Resources to Agricultural Contamination Open
Groundwater contamination poses a major challenge to water supplies around the world. Assessing groundwater vulnerability is crucial to protecting human livelihoods and the environment. This research explores a machine learning-based varia…
View article: The response of Groundwater-Dependent Ecosystems to drought in central Chile
The response of Groundwater-Dependent Ecosystems to drought in central Chile Open
Drought is considered the main climate limitation that affects the hydrological cycle, agriculture, people, and ecosystems. Since 2010, central Chile has been experiencing an uninterrupted sequence of dry years that has been classified as …
View article: Spatial prediction of borehole yield in southern Mali using machine learning classifiers
Spatial prediction of borehole yield in southern Mali using machine learning classifiers Open
Groundwater plays a vital role in drinking water supply, food security and ecosystem services. Approximately 2.5 billion people worldwide rely exclusively on groundwater to meet their daily needs, while hundreds of millions of farmers depe…
View article: Nitrate spatial predictions by means of machine learning to improve groundwater monitoring networks
Nitrate spatial predictions by means of machine learning to improve groundwater monitoring networks Open
Recently, machine learning approaches are being explored as tools to underpin water management, encompassing applications such as groundwater level prediction and the integration of artificial intelligence combined with classical numerical…
View article: Modelling regional effects of artificial groundwater recharge in a multilayer aquifer characterized by perched water tables
Modelling regional effects of artificial groundwater recharge in a multilayer aquifer characterized by perched water tables Open
This paper presents an approach to estimate the effects of a managed recharge experiment in a multilayer aquifer characterized by the presence of perched water tables in the Medina del Campo groundwater body, Douro basin, central Spain. A …
View article: A Surrogate Approach to Model Groundwater Level in Time and Space Based on Tree Regressors
A Surrogate Approach to Model Groundwater Level in Time and Space Based on Tree Regressors Open
View article: Comprehensive assessment of four volcano-hosted geothermal fields with relation to tectonics and faults in El Salvador
Comprehensive assessment of four volcano-hosted geothermal fields with relation to tectonics and faults in El Salvador Open
Geothermal systems have noteworthy prospects for replacing the reliance on fossil fuels. El Salvador, located in a tectonically active region, supplies 25 percent of the annual electricity demand from two hosted volcanic geothermal fields.…
View article: Identification of non-conventional groundwater resources by means of machine learning in the Aconcagua basin, Chile
Identification of non-conventional groundwater resources by means of machine learning in the Aconcagua basin, Chile Open
Study region: Our study region is the Aconcagua basin, central Chile. The catchment, home to over 500,000 people, currently experiences a multiyear drought that threatens water security. In this context, there is an impending need to explo…
View article: Multiclass spatial predictions of borehole yield in southern Mali by means of machine learning classifiers
Multiclass spatial predictions of borehole yield in southern Mali by means of machine learning classifiers Open
View article: Preprocessing approaches in machine-learning-based groundwater potential mapping: an application to the Koulikoro and Bamako regions, Mali
Preprocessing approaches in machine-learning-based groundwater potential mapping: an application to the Koulikoro and Bamako regions, Mali Open
Groundwater is crucial for domestic supplies in the Sahel, where the strategic importance of aquifers will increase in the coming years due to climate change. Groundwater potential mapping is a valuable tool to underpin water management in…
View article: Delineation of groundwater potential zones by means of ensemble tree supervised classification methods in the Eastern Lake Chad basin
Delineation of groundwater potential zones by means of ensemble tree supervised classification methods in the Eastern Lake Chad basin Open
This paper presents a machine learning method to map groundwater potential in crystalline domains. First, a spatially-distributed set of explanatory variables for groundwater occurrence is compiled into a geographic information system. Twe…
View article: Preprocessing approaches in machine learning-based groundwater potential mapping: an application to the Koulikoro and Bamako regions, Mali
Preprocessing approaches in machine learning-based groundwater potential mapping: an application to the Koulikoro and Bamako regions, Mali Open
Groundwater is crucial for domestic supplies in the Sahel, where the strategic importance of aquifers can only be expected to increase in the coming years due to climate change. Groundwater potential mapping is gaining recognition as a val…
View article: Mapping Ground Water Access in Two Rural Communes of Burkina Faso
Mapping Ground Water Access in Two Rural Communes of Burkina Faso Open
Granting safe water access worldwide is a major objective of the Sustainable Development Goals. Water access is a manifold concept that encompasses collection time, distance from the household, water quality, affordability, and reliability…
View article: An Initial Framework for Understanding the Resilience of Aquifers to Groundwater Pumping
An Initial Framework for Understanding the Resilience of Aquifers to Groundwater Pumping Open
Groundwater stored in aquifers experiences a wide variety of natural, induced and/or anthropogenic disturbances. Among them, groundwater extraction is the main disturbance that affects most of the aquifers in the world. Aquifer’s resilienc…
View article: Integrating current and historical water chemistry data with long-term piezometric records to develop a regional-scale conceptual flow model: Las Salinas spring, Medina del Campo, Spain
Integrating current and historical water chemistry data with long-term piezometric records to develop a regional-scale conceptual flow model: Las Salinas spring, Medina del Campo, Spain Open
View article: From Fresh Itabirites and Carbonates to Weathered Iron Ore: Mineral Composition, Density and Porosity of Different Fresh and Altered Rocks from the Quadrilátero Ferrífero, Brazil
From Fresh Itabirites and Carbonates to Weathered Iron Ore: Mineral Composition, Density and Porosity of Different Fresh and Altered Rocks from the Quadrilátero Ferrífero, Brazil Open
The weathering of Paleoproterozoic itabirites (metamorphic-banded iron formations) and dolomites from the Cauê and Gandarela Formations in the Quadrilátero Ferrífero (QF), Brazil, produces supergene iron ore with different mineralogical, c…
View article: Manual Borehole Drilling as a Cost-Effective Solution for Drinking Water Access in Low-Income Contexts
Manual Borehole Drilling as a Cost-Effective Solution for Drinking Water Access in Low-Income Contexts Open
Water access remains a challenge in rural areas of low-income countries. Manual drilling technologies have the potential to enhance water access by providing a low cost drinking water alternative for communities in low and middle income co…
View article: Modelling the effects of climate change and population growth in four intensively exploited Mediterranean aquifers. The Mijas range, southern Spain
Modelling the effects of climate change and population growth in four intensively exploited Mediterranean aquifers. The Mijas range, southern Spain Open
View article: Long‐term effects of aquifer overdraft and recovery on groundwater quality in a Ramsar wetland: Las Tablas de Daimiel National Park, Spain
Long‐term effects of aquifer overdraft and recovery on groundwater quality in a Ramsar wetland: Las Tablas de Daimiel National Park, Spain Open
Las Tablas de Daimiel National Park is one of Spain's most representative groundwater‐dependent ecosystems. Under natural conditions, water inflows combined brackish surface water from River Gigüela with freshwater inputs from River Guadia…
View article: MANUEL RAMÓN LLAMAS: Pionero de la Hidrogeología y en la gestión del agua
MANUEL RAMÓN LLAMAS: Pionero de la Hidrogeología y en la gestión del agua Open
View article: A Commune-Level Groundwater Potential Map for the Republic of Mali
A Commune-Level Groundwater Potential Map for the Republic of Mali Open
Groundwater represents an essential resource in sub-Saharan Africa, where several hundred million people rely on aquifers for domestic supply. This paper presents a method to map groundwater potential in the Republic of Mali based on a spa…
View article: Water versus Wireless Coverage in Rural Mali: Links and Paradoxes
Water versus Wireless Coverage in Rural Mali: Links and Paradoxes Open
Water and wireless coverage were evaluated in a rural commune of southern Mali. All improved water sources in the area were checked for operability, accessibility, and water quality, while wireless coverage was tested by means of smartphon…
View article: Mapping the Viability, Time, and Cost of Manual Borehole Drilling in Developing Regions
Mapping the Viability, Time, and Cost of Manual Borehole Drilling in Developing Regions Open
While access to water remains an issue in arid and semiarid regions across the world, aquifers have the potential to help millions of people out of poverty by providing a reliable source of drinking and irrigation water. Manual boreholes a…
View article: Water Supply Source Evaluation in Unmanaged Aquifer Recharge Zones: The Mezquital Valley (Mexico) Case Study
Water Supply Source Evaluation in Unmanaged Aquifer Recharge Zones: The Mezquital Valley (Mexico) Case Study Open
The Mezquital Valley (MV) hosts the largest unmanaged aquifer recharge scheme in the world. The metropolitan area of Mexico City discharges ~60 m3/s of raw wastewater into the valley, a substantial share of which infiltrates into the regio…
View article: Professor Ramón Llamas: a founding father of hydrogeology in Spain
Professor Ramón Llamas: a founding father of hydrogeology in Spain Open
View article: Incidencia de la Anisotropía en la detracción de agua de un sistema léntico o lótico por acciones antrópicas, determinada mediante modelación numérica
Incidencia de la Anisotropía en la detracción de agua de un sistema léntico o lótico por acciones antrópicas, determinada mediante modelación numérica Open
Para estimar la cantidad de agua detraída de los humedales y ríos (sistemas léntico y lótico) que produce el aprovechamiento de aguas subterráneas, existen metodologías analíticas que incluyen como hipótesis la isotropía del medio en el pl…
View article: Aplicación de los clorofluorocarbonos y el hexafluoruro de azufre como trazadores hidrogeológicos en los acuíferos carbonatados del Parque Natural del Barranco del Río Dulce (Guadalajara)
Aplicación de los clorofluorocarbonos y el hexafluoruro de azufre como trazadores hidrogeológicos en los acuíferos carbonatados del Parque Natural del Barranco del Río Dulce (Guadalajara) Open
A partir de la información procedente de los puntos de agua de los acuíferos asociados a los materiales carbonatados jurásicos y cretácicos próximos al Parque Natural del Barranco del Río Dulce (PNBRD) y de su estructura geológica, se ha e…