Works (7)
Updated: July 5th, 2023 15:44
2021 journal article
Determination of vadose zone and saturated zone nitrate lag times using long-term groundwater monitoring data and statistical machine learning
HYDROLOGY AND EARTH SYSTEM SCIENCES, 25(2), 811–829.
Contributors: M. Wells *, *, N. Nelson n , A. Mittelstet * & J. Böhlke *
TL;DR:
The statistical machine learning model results are consistent with previous observations of relatively high-water fluxes and short transit times for water and nitrate in the aquifer and indicate a sharp threshold where high groundwater nitrate concentrations are mostly associated with total travel times of seven years or less.
(via Semantic Scholar)
hess.copernicus.org (publisher PDF)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 21, 2021
2021 journal article
Per- and Polyfluoroalkyl Substance (PFAS) Transport from Groundwater to Streams near a PFAS Manufacturing Facility in North Carolina, USA
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 55(9), 5848–5856.
MeSH headings : Fluorocarbons / analysis; Groundwater; Manufacturing and Industrial Facilities; North Carolina; Water Pollutants, Chemical / analysis
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 10, 2021
2016 journal article
A Tube Seepage Meter for In Situ Measurement of Seepage Rate and Groundwater Sampling
GROUNDWATER, 54(4), 588–595.
MeSH headings : Environmental Monitoring; Groundwater; Uncertainty; Water Movements
TL;DR:
The primary advantages of the tube seepage meter are its small footprint, concurrent and colocated assessments of q and K, and that it can also be configured as a self-purging groundwater-sampling device.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Gas-Tracer Experiment for Evaluating the Fate of Methane in a Coastal Plain Stream: Degassing versus in-Stream Oxidation
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 50(19), 10504–10511.
MeSH headings : Atmosphere; Gases; Methane; North Carolina; Rivers
TL;DR:
Dissolved gases were injected into a coastal plain stream in North Carolina to quantify stream CH4 losses at the watershed scale and the utility of dissolved-gas tracers for evaluating stream methane fluxes is illustrated.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Quantifying an aquifer nitrate budget and future nitrate discharge using field data from streambeds and well nests
WATER RESOURCES RESEARCH, 52(11), 9046–9065.
Contributors: n, D. Genereux n, D. Solomon *, K. Farrell* & H. Mitasova n
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2015 journal article
Evaluating an unconfined aquifer by analysis of age-dating tracers in stream water
WATER RESOURCES RESEARCH, 51(11), 8883–8899.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2013 journal article
Source and magnitude of error in an inexpensive image-based water level measurement system
Journal of Hydrology, 496, 178–186.
author keywords: Water level; Water stage; Machine vision; Edge detection; Instrument comparison; Uncertainty
TL;DR:
Results suggest that “flat” images with little distortion are preferable in an image-based water level measurement system, and images captured with a camera positioned 4–7 m from the water level edge have the potential to yield water level measurements within ±3 mm when using this technique.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018
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