ライフサイエンスコーパス: groundwater

1 tions (maximum 448 ng/g in soil, 3.4 mg/L in groundwater).

2 vel application to study the fate of CFCs in groundwater.

3 on recalcitrant contaminants that coexist in groundwater.

4 reconsidered as a means to define and manage groundwater.

5 alized treatment of arsenic(As)-contaminated groundwater.

6 tely account for denitrification dynamics in groundwater.

7 As removal, since the two often co-occur in groundwater.

8 enumeration of faecal indicator bacteria in groundwater.

9 tion and temperature in key areas relying on groundwater.

10 s, including in situ remediation of soil and groundwater.

11 on-juniper stand with root access to bedrock groundwater.

12 r at depth than near the surface in soil and groundwater.

13 raises concerns about methane migration into groundwater.

14 situ analysis of dissolved (noble) gases in groundwater.

15 allow, unconfined wells producing modern-age groundwater.

16 whereas U, V, and Cr occurred mostly in oxic groundwater.

17 es for selecting ECs that may pose a risk in groundwater.

18 a method for removal of U from contaminated groundwater.

19 rily on the relevance to prioritizing ECs in groundwater.

20 actor causing high nitrate concentrations in groundwater.

21 ly reconstructed using Kr and Xe isotopes in groundwater.

22 well depth and the total dissolved solids of groundwater.

23 vironmental diffusion of acidic contaminated groundwater.

24 g and protecting large volumes of deep fresh groundwater.

25 e in situ treatment option for PFAS-impacted groundwater.

26 n New Mexico regions due to the depletion of groundwater.

27 mical conditions cause U to be released into groundwater.

28 ic substrates, and to regional reductions in groundwater.

29 ), and NO(3)(-) at concentrations typical of groundwaters.

30 e likely in the Southwest (61.1%), served by groundwater (94.7%), serving smaller populations (mean 1

31 These biofilms were grown from groundwater (a drinking water source), and this groundwa

32 A simulation with a 20 percent reduction in groundwater abstraction shows spatially varied aquifer r

33 d trees initialized without adequate bedrock groundwater access experienced potentially lethal declin

34 Naturally occurring arsenic in groundwater affects millions of people worldwide.

35 here was no match between bitumen-influenced groundwater and OSPW samples, as expected for different

36 and types of measures put in place to manage groundwater and protect it from contamination.

37 ite of widely recognized differences between groundwater and surface water environments with regard t

38 igh resolution (n = 105 for soil, n = 58 for groundwater) and analyzed for an extensive list of anion

39 ee different water matrixes (tap, river, and groundwater), and thereby validated for repeatability (R

40 Sources included river water, groundwater, and an upland reservoir.

41 ments are often relied upon as indicators of groundwater aquifer contamination with methane.

42 Confining clay layers typically protect groundwater aquifers against downward intrusion of conta

43 thane and other hydrocarbons in domestic-use groundwater aquifers poses significant environmental and

44 deration when assessing the vulnerability of groundwater aquifers to climate change.

45 ntrations of fluoride ions (F(-)) in natural groundwater are a worldwide problem.

46 patiotemporal dynamics of denitrification in groundwater are still not well-understood because of a l

47 an 50,000 aggregated data points of measured groundwater arsenic concentration.

48 We created a global prediction map of groundwater arsenic exceeding 10 micrograms per liter us

49 In the context of groundwater arsenic in Bangladesh, we challenge this not

50 polyfluoroalkyl substances (PFASs) occur in groundwater as mixtures of anionic, cationic, zwitterion

51 These findings can be used to optimize groundwater As treatment to meet relevant drinking water

52 l indicator bacteria and larger pathogens in groundwater, as the predominantly extracellular fluoroph

53 gate potential in situ CFC transformation in groundwater at a field site, where carbon isotope fracti

54 lative proportions of these three sources in groundwater at both study sites.

55 selective sorption of arsenic from simulated groundwaters at pH 8 by a redox-active polyvinylferrocen

56 When groundwater-based drinking water supply becomes contamin

57 uring MAR via injection in the Orange County Groundwater Basin.

58 c moduli of these biofilms, tin biofilms and groundwater biofilms were the stiffest, followed by sili

59 han the thinner and denser biofilms (tin and groundwater biofilms).

60 nd 11 +/- 2.4 mum/month for tin biofilms and groundwater biofilms, respectively.

61 licate biofilms compared to those in tin and groundwater biofilms.

62 s of one main, and two smaller, low salinity groundwater bodies.

63 lly applied for various real samples such as groundwater, bottled mineral water, river water and bore

64 The access of groundwater by the oak savanna may make these ecosystems

65 widespread contamination of both surface and groundwaters by domestic sewage.

66 We find that groundwater calcium, nitrate, and sulfate concentrations

67 rn US warming does not result in significant groundwater changes because this area is already largely

68 The groundwater chemistry affects the properties of both aqu

69 Our results suggest that the groundwater chemistry has a greater influence on the mob

70 rgy source data with aquifer water level and groundwater chemistry information to produce annual esti

71 tify the sources and processes governing the groundwater Chloride concentration in agricultural catch

72 In Berambadi, groundwater composition displayed a large spatial variab

73 particles and its conformation under natural groundwater conditions is needed to further elucidate na

74 itions of Fe EC for As removal under typical groundwater conditions.

75 cids to track a known plume of OSPW-affected groundwater confirmed their diagnostic abilities.

76 r plant water stress; but only where shallow groundwater connections are present, and not indefinitel

77 models represent soil moisture but simplify groundwater connections, a primary control on soil moist

78 ovide a framework for determining why common groundwater constituents affect the E(H)-dependence of r

79 Low-salinity submarine groundwater contained within continental shelves is a gl

80 NAPL-water interfacial tension for synthetic groundwater containing perfluorooctanoic acid (PFOA), pe

81 well users unknowingly consume contaminated groundwater containing unsafe levels of pollutants.

82 on of trichloroethylene (TCE), a hydrophobic groundwater contaminant.

83 oroethene (TCE) are among the most prevalent groundwater contaminants in the United States.

84 g foam (AFFF) are increasingly recognized as groundwater contaminants, though the composition and dis

85 onsible for colloid-facilitated transport of groundwater contaminants.

86 E) and trichloroethene (TCE) are significant groundwater contaminants.

87 how adsorbents can be combined to remediate groundwater contaminated with complex mixtures of differ

88 may allow for more accurate determination of groundwater contamination and improved long-term water q

89 Groundwater contamination by As from natural and anthrop

90 We developed a groundwater contamination index for each country to help

91 tribution to overall emissions and potential groundwater contamination is unknown, and quantification

92 In Uganda, groundwater contamination was associated with high popul

93 ace runoff (p < 0.001; OR = 1.37), while low groundwater contamination was more likely in areas furth

94 The groundwater crisis in northwestern India is the result o

95 analyses using real-world PFAS-contaminated groundwater data for a hypothetical farm showed estimate

96 le is known about the spatial variability of groundwater denitrification, an important process in rem

97 Arsenic toxicity and mobility in groundwater depend on its aqueous speciation.

98 -Trinity salamanders and other codistributed groundwater-dependent organisms are highly vulnerable to

99 Groundwater depletion has been ascribed to groundwater p

100 bial risks than faecal indicator bacteria in groundwater-derived drinking water.

101 and hydrodynamic processes such as river and groundwater discharge, tides, waves, and storms.

102 Additionally, groundwater discharging at hundreds of spring locations

103 We predict major groundwater DOC increases following changes in precipita

104 e explained ~ 31% of observed variability in groundwater DOC, whilst aquifer age explained an additio

105 NTO can be highly mobile in soil and groundwater due to its high solubility and anionic natur

106 ns in length of growing season and access to groundwater explained much of this year-to-year variatio

107 ed to aquifer-system compaction accompanying groundwater extraction contributed as much as 85% of the

108 We investigated the relationships between groundwater fecal contamination and different environmen

109 resource-rich mosaic ecosystem populated by groundwater-fed rivers, aquatic plants, angiosperm shrub

110 ells; however, critics have highlighted that groundwater flow is often complex with mixing of groundw

111 e calibrated and validated three-dimensional groundwater flow model, this article provides the first

112 ydrogeologic features that promote advective groundwater flow.

113 OSPW and bitumen-affected natural background groundwaters for source discrimination.

114 ated, sand-packed, continuous mesocosms with groundwater from a field methane release experiment.

115 Soil and groundwater from an aqueous film-forming foam (AFFF)-imp

116 ns of these elements were measured mostly in groundwater from fractured igneous and metamorphic forma

117 This is the first assessment of groundwater from public-supply wells across the United S

118 Tritium measurements indicate that groundwater from the affected depth interval (40-50 m) w

119 hane), we examined 20 751 methane-containing groundwaters from the Upper Appalachian Basin (AB).

120 23 environmental parameters from a statewide groundwater geochemical database and publicly available

121 Groundwater (GW) overexploitation is a critical issue in

122 Age dating of groundwater has been used to reconstruct contaminant tra

123 Here we apply an integrated surface-groundwater hydrologic model to evaluate the sensitivity

124 the region: (1) OSPW; (2) McMurray Formation groundwater (i.e., naturally occurring bitumen), and; (3

125 Remediation of groundwater impacted by per- and polyfluoroalkyl substan

126 tigated hyperalkaline, sulfur-rich, brackish groundwater in a serpentinizing continental ophiolite to

127 ls predicting flow, storage, and reaction of groundwater in bedrock systems.

128 removing dissolved arsenic from contaminated groundwater in rural California.

129 rked increase in HF water use, and depleting groundwater in some semiarid regions (e.g., by <=58 ft [

130 ization due to the emergent accessibility of groundwater in the 20(th) century.

131 Deeper (55-65 m) groundwater in the same pre-Holocene aquifer was recharg

132 ed water (OSPW) and those found naturally in groundwaters in contact with the bituminous McMurray For

133 (e.g., soil water) versus deep waters (e.g., groundwater), inducing primarily flushing patterns (conc

134 re decades will experience average potential groundwater infiltration less than that of the recent hi

135 cenarios are then used in Soil Water Balance groundwater infiltration simulations to understand the s

136 ted precipitation and temperature changes on groundwater infiltration, simulation results indicate th

137 d PFAS in most OSPW samples, trace levels in groundwaters influenced by general anthropogenic activit

138 epage from the natural bitumen background in groundwaters influenced by the Alberta McMurray formatio

139 pCi/L occurred most frequently where acidic groundwaters inhibited (210)Pb readsorption (felsic-crys

140 frost thaws, yet few studies have quantified groundwater inputs to Arctic coastal waters under contem

141 Our framework incorporates surface water-groundwater interactions by accounting for spatially cum

142 usly by the three flood mechanisms, in which groundwater inundation and direct marine flooding repres

143 This results in alternate sources such as groundwater inundation and storm-drain backflow being ov

144 flooding, (2) storm-drain backflow, and (3) groundwater inundation.

145 mg/L Mn(II) in solutions containing relevant groundwater ions, with the reaction products characteriz

146 Groundwater irrigated areas in the Columbia Plateau tend

147 Groundwater is a critical resource in the Grand Canyon r

148 Effective arsenic (As) removal from groundwater is a pressing need in view of increasingly s

149 Because fresh groundwater is found at depths deeper than the base of f

150 on that occurs as the pH of acidic synthetic groundwater is increased, decreases soluble Mo to low pi

151 ied in many arid and semi-arid regions where groundwater is increasingly used for irrigation, but the

152 Because groundwater is increasingly used to support growing popu

153 to help decision-makers identify areas where groundwater is most prone to fecal contamination and pri

154 Groundwater is projected to become an increasing source

155 In weathered bedrock aquifers, groundwater is stored in pores and fractures that open a

156 Groundwater is the world's largest freshwater resource a

157 While low-salinity groundwater is thought to be abundant, its distribution

158 There has been tritium groundwater leakage to the land side of Fukushima Dai-ic

159 struction of interannual to centennial-scale groundwater level (GWL) fluctuations for south-western G

160 -cover change generally involves lowering of groundwater level (GWL), as well as modification of vege

161 can increase leading to coseismic changes in groundwater level and flow.

162 ng events and, within the last 20 years, for groundwater level declines.

163 In addition, the groundwater level variations at the site close to the ri

164 Here we compile and analyze ~250,000 coastal groundwater-level observations made since the year 2000

165 We show that the majority of observed groundwater levels lie below sea level along more than 1

166 uifers, leading to water release that causes groundwater levels to rise (~11 m) in down-gradient aqui

167 trees initiated with root access to bedrock groundwater matched the hydraulics of the experimental t

168 n at higher pH values and in the presence of groundwater matrix constituents.

169 iably indicate the quantities and sources of groundwater methane.

170 a method to provide ecological insights into groundwater microbial communities by characterizing comm

171 A meteoric origin of the OFG and active groundwater migration from onshore are inferred.

172 to leach organic compounds into streams and groundwater, mineral soil samples were heated at tempera

173 hen applied to a province-wide public health groundwater monitoring program (n = 52,849 samples) prov

174 e on saturation vapor pressure and access to groundwater muted the response of evapotranspiration to

175 Evaluation using in situ groundwater observations from the U.S. and terrestrial w

176 ndwater flow is often complex with mixing of groundwater of different ages.

177 Although offshore freshened groundwater (OFG) systems have been documented in numero

178 -chained hydrocarbons) dissolve into shallow groundwater or pass through groundwater systems to the a

179 e, about 60 percent of the Chloride found in groundwater originates from fertilizer inputs.

180 could be selectively removed from simulated groundwater over 10 cycles at an ultralow energy consump

181 roduction due to denitrification in riparian groundwater over a six-month period.

182 son for subsidence in the interested area is groundwater over-extraction.

183 , intermediate (NaOCl), and strong (KMnO(4)) groundwater oxidants on the fate of As during As(III), F

184 data-driven, causal mechanisms of long-term groundwater patterns have not been assessed.

185 Boreholes accessing deep (>30 m) groundwater performed best during the drought.

186 Groundwater provides critical freshwater supply, particu

187 lie below sea level, but can also arise from groundwater pumping in some coastal aquifers with water

188 17%), and also parts of the West Coast where groundwater pumping is high.

189 However, for many areas, groundwater pumping rates are high and environmental flo

190 Groundwater depletion has been ascribed to groundwater pumping, often ignoring influences of direct

191 ls organic carbon as an indirect response to groundwater pumping, rather than directly accelerated re

192 rination in enrichment cultures derived from groundwater (PW4) and river sediment (TC) impacted with

193 icultural areas to urban areas will decrease groundwater quality and increase water treatment costs,

194 Manganese and arsenic both threaten groundwater quality globally, but their chemical behavio

195 gal professionals with experience working on groundwater quality issues impacting nonpublic water wel

196 one, illustrating the critical dependence of groundwater quality on recharge conditions.

197 ter resources, but little is known about how groundwater quality will change.

198 diment heterogeneities could locally degrade groundwater quality, even in aquifers with unconcerning

199 e a strong predictor for observed changes in groundwater quality, sanitation development and water-bo

200 lowing suspensions is important for soil and groundwater quality.

201 irm earlier findings of OSPW migrations into groundwater reaching the Athabasca River system adjacent

202 both xerification and climate change augment groundwater recharge by increasing channel transmission

203 policy regarding recycled water projects for groundwater recharge through spreading basins and, with

204 , cities are pursuing options for augmenting groundwater recharge with recycled water.

205 ts were negatively correlated with estimated groundwater recharge, suggesting that dissolution and le

206 ls were measured in near-neutral pH and oxic groundwater, reflecting greater sensitivity to redox con

207 elements, which may pose additional risks to groundwater-reliant individuals.

208 ial for CFC biotransformation in surface and groundwaters remains unclear.

209 ale zerovalent iron (nano-ZVI) particles for groundwater remediation has spurred research into the in

210 ural geochemical tracers for the analysis of groundwater remediation was examined in several example

211 ent iron (SNZVI) is a promising material for groundwater remediation.

212 o better understand in situ technologies for groundwater remediation.

213 nduits for liquids and gases to migrate into groundwater reservoirs or the atmosphere.

214 xcellent capacity for in situ remediation of groundwater resources contaminated by a range of organic

215 India is the result of over-exploitation of groundwater resources for irrigation.

216 state-of-the-science on projected changes to groundwater resources in the area.

217 With the increasing global need for groundwater resources to fulfill domestic, agricultural,

218 rial and consumer goods, are widely found in groundwater resources, along with other regulated compou

219 e and urbanization can increase pressures on groundwater resources, but little is known about how gro

220 t costs, compounding existing constraints on groundwater resources.

221 The brackish groundwater resulted in flocculation and immobilization

222 ; spike analyses of collected water samples (groundwater, river water, and seawater) demonstrated the

223 his large range can be attributed in part to groundwater's low frequency (inter-decadal) variability,

224 intrusion into coastal aquifers can increase groundwater salinity beyond potable levels, endangering

225 Incipient groundwater salinization has been identified in many ari

226 rtilization as KCl is an important source of groundwater salinization in semi-arid context, and stres

227 g L(-1)) from naturally arsenic-contaminated groundwater sample.

228 nd 1.5%, respectively, of filtered untreated groundwater samples from 1263 public-supply wells in 19

229 also successfully applied the system to real groundwater samples where trace PFOS was present.

230 Pu concentrations in seawater and groundwater samples, synthetic urine, and dissolver solu

231 ed to nutrient inputs from coastal submarine groundwater seeps.

232 CWSs reliant on groundwater, serving smaller populations, located in the

233 Groundwater solutes originates from various sources such

234 r (filtered at < 0.22 um) TLF and HLF in 140 groundwater sources across a range of urban population d

235 ases in the importance of metal-rich diffuse groundwater sources at low flow could minimize the benef

236 The review revealed the lack of a groundwater specific contaminant prioritization methodol

237 and DON) concentrations in supra-permafrost groundwater (SPGW) near the land-sea interface are up to

238 rily below glaciers, but also snowfields and groundwater springs.

239 ect that low to moderate warming may have on groundwater storage and evapotranspiration.

240 nce between water supply and demand, shallow groundwater storage can buffer plant water stress; but o

241 human drivers and spatiotemporal changes in groundwater storage derived from the Gravity Recovery an

242 The direct response of shallow groundwater storage to warming demonstrates the strong a

243 Climate change impacts on GWS (groundwater storage) could affect the sustainability of

244 l Nino Southern Oscillation (ENSO) on global groundwater storage.

245 context of previous work on both surface and groundwater, suggest that dissolved uranium concentratio

246 The security of groundwater supplies is of critical importance for both

247 ances freshwater security and augments local groundwater supplies.

248 Consequently, our analysis suggests that groundwater sustainability in California may be poorly s

249 mplexity of the multifractal property of the groundwater system.

250 Groundwater systems affected by various factors can exhi

251 awite as a scavenger material for uranium in groundwater systems are discussed.

252 the region and the potential for changes to groundwater systems from projected climate change is a c

253 lve into shallow groundwater or pass through groundwater systems to the atmosphere.

254 sical separation of manganese and arsenic in groundwater systems under changing or stratified redox c

255 key role in the remediation of uranium from groundwater systems.

256 We find that 19 to 56% of the groundwater TDS measurements made at depths deeper than

257 than defined bases of fresh water pump fresh groundwater (TDS < 2,000 mg/L).

258 end to have higher nitrate concentrations in groundwater than surface water irrigated areas, suggesti

259 of this nitrogen is derived as nitrate from groundwater that discharges to streams as base flow.

260 ly exposed to high arsenic concentrations in groundwater, the vast majority (94%) being in Asia.

261 xic, geogenic contaminants from sediments to groundwater, threatening the viability of MAR as a water

262 and widespread in fresh, brackish and marine groundwater throughout the Yucatan Peninsula (Mexico).

263 Zero-valent iron removed REEs from groundwater to below detection levels (2-4 ng/L) and sub

264 The discharge of chloride-laden groundwater to freshwater ecosystems may pose a heighten

265 model to evaluate the sensitivity of shallow groundwater to warming across the majority of the US.

266 ources may triple by 2100 while nonrenewable groundwater trading may at least double.

267 The depth at which groundwaters transition from fresh to more saline-the "b

268 sting on a massive scale with piped water or groundwater treatment only as a last resort.

269 ted rock matrix by exchanging uncontaminated groundwater, unamended or lactate-amended, in a chamber

270 ances previously thought to be persistent in groundwater under most geochemical conditions but more r

271 quifer physicochemical properties to predict groundwater uranium concentrations by random forest regr

272 depths) are the most important predictors of groundwater uranium concentrations.

273 veal the biogeochemical controls on regional groundwater uranium contamination within the Central Val

274 complexation outputs, we show that regional groundwater uranium exceedances of drinking water standa

275 obal arsenic prediction model with household groundwater-usage statistics, we estimate that 94 millio

276 geted a 20 percent improvement in irrigation groundwater use efficiency.

277 osed to toxic levels of dissolved arsenic in groundwater used for drinking.

278 d encroachment on the base of fresh water by groundwater users.

279 trate that aggregation is induced at typical groundwater velocities by comparing the repulsive DLVO f

280 Prioritising access to groundwater via multiple improved sources and a portfoli

281 undwater (a drinking water source), and this groundwater was amended with either tin or silicate corr

282 Groundwater was continuously collected from the end of 2

283 ritical Zone Observatory, South India, where groundwater was sampled in 188 farm tubewells in the sem

284 ch microcosms with a Superfund site soil and groundwater, we showed that the high Fe(0) concentration

285 fresh water with salinity distributions and groundwater well depths.

286 tion (TDS) measurements (n = 216,754) and 2) groundwater well locations and depths (n = 399,454) acro

287 and molecular analyses were performed on 39 groundwater well samples from five aquifers.

288 may have different sources even in a single groundwater well, making these questions complicated to

289 ensitive elements (U, As, V, and Cr) in 1494 groundwater wells across North Carolina.

290 nships between microbiology and chemistry in groundwater wells located in the Denver-Julesburg Basin

291 thermore, we find that nearly 4% of existing groundwater wells penetrate defined bases of fresh water

292 Different bacterial cultures and groundwater were shown to have contrasting isotopic sele

293 ers where old (low percent-modern carbon-14) groundwaters were reducing, with high pH (>7.5) and high

294 y increasing their water uptake from bedrock groundwater when soil layers dried out.

295 equently in suboxic to mixed redox character groundwater, whereas U, V, and Cr occurred mostly in oxi

296 unds are thermodynamically favourable in the groundwater, which indicates they may be vital to sustai

297 degradation intermediates of hydrocarbons in groundwater will be underestimated when protocols that r

298 er quality datasets indicate that metal-rich groundwater will exert a greater control on stream water

299 ve tracers for evaluating the interaction of groundwater with materials placed in the subsurface for

300 epletion caused by surface water and shallow groundwater withdrawals, especially in a high-withdrawal