Albert Folch
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View article: Coupling of numerical groundwater–ocean models to improve understanding of the coastal zone
Coupling of numerical groundwater–ocean models to improve understanding of the coastal zone Open
Coastal zones are increasingly acknowledged as dynamic yet fragile components of global ecosystems amidst escalating anthropogenic activities and complex land–ocean interactions. Understanding the interactions between groundwater and the o…
View article: Advancing modular microfluidics: Stereolithographic 3D printing of reconfigurable connectors for bioanalytical applications
Advancing modular microfluidics: Stereolithographic 3D printing of reconfigurable connectors for bioanalytical applications Open
Traditional monolithic microfluidic devices are constrained by their inability to accommodate modifications to circuit elements, necessitating complete redesign and refabrication. To address these limitations, this study introduces modular…
View article: Water Table Fluctuations Control Nitrate and Ammonium Fate in Coastal Aquifers
Water Table Fluctuations Control Nitrate and Ammonium Fate in Coastal Aquifers Open
Coastal aquifers experience water table fluctuations that push and pull water and air through organic‐rich soils. This exchange affects the supply of oxygen, dissolved organic carbon (DOC), and nitrogen (N) to shallow aquifers and influenc…
View article: Coupling of numerical groundwater-ocean models to improve understanding of the coastal zone
Coupling of numerical groundwater-ocean models to improve understanding of the coastal zone Open
Coastal zones are increasingly acknowledged as dynamic yet fragile components of global ecosystems amidst escalating anthropogenic activities and complex land-ocean interactions. Understanding the interactions between groundwater and the o…
View article: Exploring temporal and spatial dynamics of fresh submarine groundwater discharge: amphibious electrical resistivity tomography in the land-ocean transition zone
Exploring temporal and spatial dynamics of fresh submarine groundwater discharge: amphibious electrical resistivity tomography in the land-ocean transition zone Open
Submarine groundwater discharge (SGD) is a complex hydrological process influenced by multiple mechanisms with various spatiotemporal scales. Quantifying SGD is complex because it depends on various driving forces (e.g., waves, tides, hydr…
View article: Tracking biogeochemical processes in a Subterranean Estuary (STE): Application of a multidisciplinary approach integrating isotopes, hydrogeochemistry, and dissolved organic matter (DOM) 
Tracking biogeochemical processes in a Subterranean Estuary (STE): Application of a multidisciplinary approach integrating isotopes, hydrogeochemistry, and dissolved organic matter (DOM)  Open
Subterranean Estuaries (STEs) have been recognized for their role in the transport and fate of chemical compounds that discharge to the coastal ocean. The enrichment of coastal groundwater with nutrients is affected by different sources an…
View article: Sea-land interaction along the Catalan coast (NW Mediterranean): Assessment of Submarine Groundwater Discharge (SGD) based on seawater nutrient concentrations 
Sea-land interaction along the Catalan coast (NW Mediterranean): Assessment of Submarine Groundwater Discharge (SGD) based on seawater nutrient concentrations  Open
Submarine Groundwater Discharge (SGD) has garnered attention in the assessment of sea-land interactions within coastal regions. SGD plays a crucial yet uncertain role in coastal ecosystems, involving the release of nutrient-enriched ground…
View article: Integrating groundwater flow models with physical oceanographic models in coastal regions
Integrating groundwater flow models with physical oceanographic models in coastal regions Open
 Amidst increasing human activities and complex interactions between the ocean and land, coastal zones have emerged as dynamic yet vulnerable regions within global ecosystems. Understanding the interplay between groundwater and the oc…
View article: Combining terrestrial and marine electrical resistivity methods to improve data acquisition in the land-sea transition zone.
Combining terrestrial and marine electrical resistivity methods to improve data acquisition in the land-sea transition zone. Open
In recent decades, there has been a growing interest in accurately characterizing the process of fresh groundwater discharge into the coastal ocean since it represents a significant pathway for solute from land to sea. Although SGD researc…
View article: Effects of groundwater fluctuations on nutrient transformation in riparian sediments in a Mediterranean catchment - Column study
Effects of groundwater fluctuations on nutrient transformation in riparian sediments in a Mediterranean catchment - Column study Open
A clear need exists to understand the role that water table fluctuations play in mobilizing nutrients in soils and shallow groundwater near streams, particularly in dry Mediterranean watersheds, which experience marked wetting and drying s…
View article: Seawater Intrusion and Submarine Groundwater Discharge studies at the Argentona site in Spain
Seawater Intrusion and Submarine Groundwater Discharge studies at the Argentona site in Spain Open
We describe an intermediate scale experimental field site located in a coastal alluvial aquifer at the mouth of the Argentona ephemeral stream on the Maresme coastline (Barcelona, Spain). We have been monitoring Seawater Intrusion (SWI) an…
View article: Temporal variations of groundwater tables and implications forsubmarine groundwater discharge: a case study the Mediterranean Spanish coast
Temporal variations of groundwater tables and implications forsubmarine groundwater discharge: a case study the Mediterranean Spanish coast Open
Submarine groundwater discharge (SGD) has received increasing attention as it has been proven to be a fundamental hydrological process that supports many coastal biogeochemical cycles and, even more, social-ecological systems and their imp…
View article: How are radiotracers shaping the research in submarine groundwater discharge?
How are radiotracers shaping the research in submarine groundwater discharge? Open
The use of radiotracer techniques has been a fundamental tool for characterizing fluxes of solutes and water flows into the coastal ocean driven by submarine groundwater discharge (SGD). Indeed, the scientific interest in the use of radion…
View article: Carbon delivery to floodplain aquifers in response to water table fluctuations: Observations from soil column experiments
Carbon delivery to floodplain aquifers in response to water table fluctuations: Observations from soil column experiments Open
Water tables in floodplain aquifers rise and fall over a variety of timescales in response to changes in recharge, discharge, floods, and water use. To investigate the effects of water table fluctuations on DOC delivery to groundwater, an …
View article: Water table dynamics in coastal aquifer sediments alter nitrogen fate: Observations from soil column experiments
Water table dynamics in coastal aquifer sediments alter nitrogen fate: Observations from soil column experiments Open
Water tables in coastal aquifers respond to a variety of hydrologic forcings, including precipitation, coastal flooding, and tides. The water table response to these forcings has the potential to impact water quality by affecting the fate …
View article: Detailed characterization of biogeochemical processes in coastal aquifers: variations along the subterranean estuary-mixing zone at the MEDISTRAES experimental site
Detailed characterization of biogeochemical processes in coastal aquifers: variations along the subterranean estuary-mixing zone at the MEDISTRAES experimental site Open
Coastal aquifers are characterized by their unique land-sea interaction and the main difficulty in studying these systems is the complexity of their biogeochemical cycles. Important processes in the “mixing zone” of coastal sys…
View article: Innovative downhole geophysical methods, petrophysical characterization and high frequency downhole monitoring of seawater intrusion dynamics in a coastal aquifer. The Me Distraes project, Argentona, Spain. 
Innovative downhole geophysical methods, petrophysical characterization and high frequency downhole monitoring of seawater intrusion dynamics in a coastal aquifer. The Me Distraes project, Argentona, Spain.  Open
<p><span>The detailed hydrogeophysical characterization of coastal aquifers provides a base to study both submarine groundwater discharge and salt water intrusion processes. With the objective to investigate the response of a c…
View article: Extreme precipitation events induce high fluxes of groundwater and associated nutrients to coastal ocean
Extreme precipitation events induce high fluxes of groundwater and associated nutrients to coastal ocean Open
Current studies of submarine groundwater discharge (SGD) are commonly conducted under aquifer baseflow conditions, neglecting the influence of episodic events that can significantly increase the supply of nutrients and water. This limits o…
View article: High spatial heterogeneity and low connectivity of bacterial communities along a Mediterranean subterranean estuary
High spatial heterogeneity and low connectivity of bacterial communities along a Mediterranean subterranean estuary Open
Subterranean estuaries are biogeochemically active coastal sites resulting from the underground mixing of fresh aquifer groundwater and seawater. In these systems, microbial activity can largely transform the chemical elements that may rea…
View article: Continuous monitoring of Eh, pH and CE of a coastal multilayer alluvial aquifer under different dynamic conditions.
Continuous monitoring of Eh, pH and CE of a coastal multilayer alluvial aquifer under different dynamic conditions. Open
<p>Understanding the behavior of the freshwater-seawater interface and its dynamics is a key issue to characterize seawater intrusion (SWI) as well as submarine groundwater discharge (SGD). A new experimental site intensively monitor…
View article: Using continuous resistivity profiling (CRP) method to identify electrical resistivity variations related to FSGD areas.
Using continuous resistivity profiling (CRP) method to identify electrical resistivity variations related to FSGD areas. Open
<p>The characterization of fresh submarine groundwater discharge (FSGD) in coastal aquifers has been the object of study in many investigations due to the importance of water as a strategic resource for populations. However, investig…
View article: Combining groundwater numerical modelling and social sciences to assess water access in developing countries rural environments
Combining groundwater numerical modelling and social sciences to assess water access in developing countries rural environments Open
<p>Shallow groundwater is usually more accessible than surface water in remote and rural areas due to the infrastructure cost to collect and allocate surface water on dispersed communities. However, the absence of a proper hydrogeolo…
View article: Extreme precipitation events induce high fluxes of groundwater and associated nutrients to the coastal ocean
Extreme precipitation events induce high fluxes of groundwater and associated nutrients to the coastal ocean Open
Current Submarine Groundwater Discharge (SGD) studies are commonly conducted under aquifer baseflow conditions, neglecting the influence of episodic events that can significantly increase the supply of nutrients and water. This limits our …