Results 1 to 10 of about 356,726 (405)

Thousands of microbial genomes shed light on interconnected biogeochemical processes in an aquifer system

open access: yesNature Communications, 2016
The subterranean world hosts up to one-fifth of all biomass, including microbial communities that drive transformations central to Earth’s biogeochemical cycles.
Karthik Anantharaman   +2 more
exaly   +2 more sources

Well Design as a Factor Contributing to Loss of Water from the Floridan Aquifer, Eastern Clay County, Florida [PDF]

open access: bronze, 1962
A number of wells penetrating the Floridan aquifer in eastern Clay County were found to be losing water to permeable zones above this aquifer. A differential in artesian pressure was observed in closely spaced wells of similar depth.
Foster, James B.
openalex   +4 more sources

Sixty years of global progress in managed aquifer recharge

open access: yesHydrogeology Journal, 2018
The last 60 years has seen unprecedented groundwater extraction and overdraft as well as development of new technologies for water treatment that together drive the advance in intentional groundwater replenishment known as managed aquifer recharge (MAR).
Catalin Stefan   +2 more
exaly   +2 more sources

Extraordinary phylogenetic diversity and metabolic versatility in aquifer sediment

open access: yesNature Communications, 2013
Microorganisms in the subsurface represent a substantial but poorly understood component of the Earth’s biosphere. Subsurface environments are complex and difficult to characterize; thus, their microbiota have remained as a ‘dark matter’ of the carbon ...
Cindy J Castelle   +2 more
exaly   +2 more sources

Leveraging Big Data to Preserve the Mississippi River Valley Alluvial Aquifer: A Blueprint for the National Center for Alluvial Aquifer Research

open access: yesLand, 2022
The challenge of a depleting Mississippi River Valley Alluvial Aquifer (MRVAA) requires reducing groundwater withdrawal for irrigation, increasing aquifer recharge, and protecting water quality for sustainable water use.
Amanda M. Nelson   +3 more
doaj   +1 more source

Geostatistical spatial projection of geophysical parameters for practical aquifer mapping

open access: yesScientific Reports, 2022
Dense data acquisition for 3-D high-resolution aquifer mapping through heliborne transient electromagnetic (HTEM) survey is continually not possible due to various technical and administrative constraints.
Jagriti Dabas   +3 more
doaj   +1 more source

Perceptions of Irrigation Water Management Practices in the Mississippi Delta

open access: yesAgronomy, 2022
The Mississippi River Valley Alluvial Aquifer (MRVAA) is being depleted, and practices that improve water stewardship have been developed to reduce drawdown. This study assesses how Mississippi Delta producers changed their perceptions of these practices
Carson Roberts   +6 more
doaj   +1 more source

Positive Mathematical Programming to Model Regional or Basin-Wide Implications of Producer Adoption of Practices Emerging from Plot-Based Research

open access: yesAgronomy, 2021
A method for calibrating models of agricultural production and resource use for policy analysis is proposed to leverage multidisciplinary agricultural research at the National Center for Alluvial Aquifer Research (NCAAR).
Nicolas Quintana-Ashwell   +6 more
doaj   +1 more source

Tidal Response of Groundwater in a Leaky Aquifer—Application to Oklahoma [PDF]

open access: yesWater Resources Research, 2018
Quantitative interpretation of the tidal response of water levels measured in wells has long been made either with a model for perfectly confined aquifers or with a model for purely unconfined aquifers.
Chi‐yuen Wang   +3 more
semanticscholar   +1 more source

Using Analytical Hierarchy Process and Multi-Influencing Factors to Map Groundwater Recharge Zones in a Semi-Arid Mediterranean Coastal Aquifer

open access: yesWater, 2020
Mapping groundwater recharge zones (GWRZs) is essential for planning artificial recharge programs to mitigate groundwater decline and saltwater intrusion into coastal aquifers.
Adel Zghibi   +8 more
semanticscholar   +1 more source

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