Search Results - "Fram, Miranda S"
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Occurrence and concentrations of pharmaceutical compounds in groundwater used for public drinking-water supply in California
Published in The Science of the total environment (15-08-2011)“…Pharmaceutical compounds were detected at low concentrations in 2.3% of 1231 samples of groundwater (median depth to top of screened interval in wells=61m)…”
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Evaluation of Specific Ultraviolet Absorbance as an Indicator of the Chemical Composition and Reactivity of Dissolved Organic Carbon
Published in Environmental science & technology (15-10-2003)“…Specific UV absorbance (SUVA) is defined as the UV absorbance of a water sample at a given wavelength normalized for dissolved organic carbon (DOC)…”
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Probability of Detecting Perchlorate under Natural Conditions in Deep Groundwater in California and the Southwestern United States
Published in Environmental science & technology (15-02-2011)“…We use data from 1626 groundwater samples collected in California, primarily from public drinking water supply wells, to investigate the distribution of…”
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Effects of Groundwater Development on Uranium: Central Valley, California, USA
Published in Ground water (01-11-2010)“…Uranium (U) concentrations in groundwater in several parts of the eastern San Joaquin Valley, California, have exceeded federal and state drinking water…”
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Quantifying anthropogenic contributions to century-scale groundwater salinity changes, San Joaquin Valley, California, USA
Published in The Science of the total environment (15-11-2018)“…Total dissolved solids (TDS) concentrations in groundwater tapped for beneficial uses (drinking water, irrigation, freshwater industrial) have increased on…”
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Volatile organic compounds in groundwater used for public supply across the United States: Occurrence, explanatory factors, and human-health context
Published in The Science of the total environment (25-06-2022)“…This systematic assessment of occurrence for 85 volatile organic compounds (VOCs) in raw (untreated) groundwater used for public supply across the United…”
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Metrics for Assessing the Quality of Groundwater Used for Public Supply, CA, USA: Equivalent-Population and Area
Published in Environmental science & technology (21-07-2015)“…Data from 11 000 public supply wells in 87 study areas were used to assess the quality of nearly all of the groundwater used for public supply in California…”
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Critical Aquifer Overdraft Accelerates Degradation of Groundwater Quality in California's Central Valley During Drought
Published in Geophysical research letters (16-09-2021)“…Drought‐induced pumpage has precipitated dramatic groundwater‐level declines in California's Central Valley over the past 30 yr, but the impacts of aquifer…”
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Basin‐scale responses of groundwater‐resource quality to drought and recovery, San Joaquin Valley, California
Published in Hydrological processes (01-04-2024)“…Groundwater‐resource quality is assumed to be less responsive to drought compared to that of surface water due to relatively long transit times of recharge to…”
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Predictions of groundwater PFAS occurrence at drinking water supply depths in the United States
Published in Science (American Association for the Advancement of Science) (15-11-2024)“…Per- and polyfluoroalkyl substances (PFAS), known colloquially as “forever chemicals,” have been associated with adverse human health effects and have…”
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Identifying areas of degrading and improving groundwater-quality conditions in the State of California, USA, 1974–2014
Published in Environmental monitoring and assessment (01-04-2020)“…Areas of improving and degrading groundwater-quality conditions in the State of California were assessed using spatial weighting of a new metric for scoring…”
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Estimation of aquifer scale proportion using equal area grids: Assessment of regional scale groundwater quality
Published in Water resources research (01-11-2010)“…The proportion of an aquifer with constituent concentrations above a specified threshold (high concentrations) is taken as a nondimensional measure of regional…”
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Aquifer Storage Recovery (ASR) of chlorinated municipal drinking water in a confined aquifer
Published in Applied geochemistry (01-08-2010)“…About 1.02 × 10 6 m 3 of chlorinated municipal drinking water was injected into a confined aquifer, 94–137 m below Roseville, California, between December 2005…”
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Anthropogenic and geologic causes of anomalously high uranium concentrations in groundwater used for drinking water supply in the southeastern San Joaquin Valley, CA
Published in Journal of hydrology (Amsterdam) (01-10-2019)“…•Geologic and chemical factors control U > 100 µg/L in San Joaquin Valley groundwater.•U in sediments from streams draining glaciated watersheds of the Sierra…”
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Cr(VI) occurrence and geochemistry in water from public-supply wells in California
Published in Applied geochemistry (01-12-2015)“…Hexavalent chromium, Cr(VI), in 918 wells sampled throughout California between 2004 and 2012 by the Groundwater Ambient Monitoring and Assessment-Priority…”
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Effects of montane watershed development on vulnerability of domestic groundwater supply during drought
Published in Journal of hydrology (Amsterdam) (01-04-2020)“…•Recharge to domestic wells in fractured rock is dominated by local precipitation.•Diverted surface water composes 28% ± 13% of recharge to wells at low…”
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Organic Carbon and Disinfection Byproduct Precursor Loads from a Constructed, Non-Tidal Wetland in California's Sacramento-San Joaquin Delta
Published in San Francisco estuary and watershed science (01-05-2007)“…Wetland restoration on peat islands in the Sacramento-San Joaquin Delta will change the quality of island drainage waters entering the Delta, a primary source…”
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Carbon isotopic constraints on the contribution of plant material to the natural precursors of trihalomethanes
Published in Organic geochemistry (01-01-1999)“…The δ 13C values of individual trihalomethanes (THM) formed on reaction of chlorine with dissolved organic carbon (DOC) leached from maize (corn; Zea maize L.)…”
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Predictions of groundwater PFAS occurrence at drinking water supply depths in the United States
Published in Science (American Association for the Advancement of Science) (24-10-2024)“…Per- and polyfluoroalkyl substances (PFAS), known colloquially as "forever chemicals", have been associated with adverse human health effects and have…”
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Quality of Groundwater Used for Public Supply in the Continental United States: A Comprehensive Assessment
Published in ACS ES&T water (09-12-2022)“…The presence of contaminants in a source water can constrain its suitability for drinking. The quality of groundwater used for public supply was assessed in 25…”
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