ライフサイエンスコーパス: groundwater

1 y associate with the solid phase relative to groundwater.

2 xic metalloid widely distributed in soil and groundwater.

3 abundances reaching 10(8) genes per liter of groundwater.

4 tern subwatersheds with increasing depths to groundwater.

5 ial to save more water in areas with shallow groundwater.

6 diment and suspended in N2-purged artificial groundwater.

7 rees to effectively remove TCE from affected groundwater.

8 er treatment and remediation of contaminated groundwater.

9 metal-complexing capacity of NOM present in groundwater.

10 ence and sources of selected hydrocarbons in groundwater.

11 contaminant behavior in the vadose zone and groundwater.

12 a may be higher than that of the surrounding groundwater.

13 , despite low ammonium concentrations in the groundwater.

14 ks through exposure to contaminated soil and groundwater.

15 the first time in AFFF and/or AFFF-impacted groundwater.

16 ng a great potential risk immigrating to the groundwater.

17 iol, which are widely found as pollutants in groundwater.

18 e groundwater pumping has increased depth to groundwater.

19 lity of this hazardous compound in soils and groundwaters.

20 discovered PFASs found only in AFFF-impacted groundwater, 11 of the 13 classes are ECF-derived, and t

21 of unexploded NH4NO3 blasting agents in oxic groundwater; (2) delayed and reduced breakthrough of syn

22 luding exceedingly high concentrations in AR groundwater (A5w-GW, 2000 mug/L) and elevated concentrat

23 al, crop-specific estimates of non-renewable groundwater abstraction and international food trade dat

24 at chlorinated solvent sites often leads to groundwater acidification due to electron donor fermenta

25 The groundwater age at 40 m depth in the aquifer underlying

26 eas were sampled for chemical, isotopic, and groundwater-age tracers to investigate the occurrence an

27 Eight of nine samples containing benzene had groundwater ages >2500 years, indicating the benzene was

28 e in HSW simulant, pH 3.5 and 9.6 artificial groundwater (AGW), were characterized by a host of spect

29 anged from 10(2) to 10(9) genes per liter of groundwater among the samples with VC reductive dehaloge

30 Test well groundwater analyses demonstrated a marked decrease in c

31 e samples with PCE concentrations in over 50 groundwater and 1000 soil samples collected from a tetra

32 tors and autosamplers of analytes in ambient groundwater and as infrared communication platforms that

33 e plants to function as chemical monitors of groundwater and communication devices to external electr

34 ample, in subsurface environments, mixing of groundwater and injected solutions can induce mineral su

35 fragment stream habitats, increased depth to groundwater and loss of 558 km of stream, and transforma

36 cterize the iron-coagulating fractions of 32 groundwater and seawater DOM samples along a salinity gr

37 stances (PFASs) and trichloroethene (TCE) in groundwater and soil.

38 ansfer of chlorinated ethenes between mobile groundwater and stationary biofilms, and diffusion and b

39 Persistent OWCs in groundwater and surface water can indicate the overall e

40 contact with each other in the same body of groundwater and that they may be reproductively isolated

41 s, many of them being priority pollutants in groundwater and the atmosphere.

42 ter consumption (including fresh surface and groundwater) and main economic activities with (1) impro

43 cannot be expected in low pH (i.e., </= 5.5) groundwater, and organohalide-respiring Sulfurospirillum

44 rganics were characterized in surface water, groundwater, and OSPW using a highly sensitive online so

45 During ozonation of CBDs in a natural groundwater, appreciable abatements (>50% at specific oz

46 hment lowered the water level in the perched groundwater aquifer.

47 Deep groundwater aquifers are poorly characterized but could

48 In anoxic groundwater aquifers, the long-term survival of Dehaloco

49 y migrate upward and potentially contaminate groundwater aquifers.

50 Geogenic contaminants in groundwater are often evaluated individually, but here w

51 Arsenic concentrations in groundwater are well predicted by redox indicators (Eh a

52 ity, and underlying geochemical processes of groundwater arsenic (As) pollution in S/SE Asia.

53 igh water flux and contributes little to the groundwater arsenic concentration.

54 ions in South and Southeast Asia due to high groundwater arsenic concentrations is one of the world's

55 ts implicated denitrification or leaching to groundwater as a likely fate for retained N.

56 The role of groundwater as a resource in sustaining terrestrial vege

57 al to remove aqueous and mobile Tc(VII) from groundwater as insoluble Tc(IV).

58 erious health hazard for those people taking groundwater as their primary source of drinking water.

59 When fed synthetic groundwater at 11-3.6 h HRT, the upflow bioreactor remov

60 Radionuclides are present in groundwater at contaminated nuclear facilities with tech

61 nowledge that As may be present naturally in groundwater at depths >150 m beneath deep paleo-channels

62 d as problematic radioactive contaminants in groundwater at nuclear sites.

63 serpentine soils and exported to surface and groundwaters at levels above health-based drinking water

64 d on the present day landscape, we show that groundwater availability would have been critical to sup

65 ultural Water Productivity Model for Shallow Groundwater (AWPM-SG) for calculating capillary fluxes f

66 robic respiration generally maintains anoxic groundwater below an oxic vadose zone until seasonal sno

67 nd delta(2)H show that the As in Pleistocene groundwater beneath deep paleo-channels is relict and do

68 from nitrogen (N) enriched surface water and groundwater bodies are poorly understood.

69 for quantifying anthropogenic influences on groundwater budget based on normalized human outflow (ho

70 e potential to temporarily store chloride in groundwater, buffer surface water concentrations, and re

71 Groundwater buffers climate variability according to spa

72 parameter for prediction of Hg speciation in groundwater by means of geochemical modeling.

73 results indicate that in situ remediation of groundwater by phosphate addition provides lasting benef

74 Capillary rise from shallow groundwater can decrease the need for irrigation water.

75 ic (As) in soil from irrigating with high-As groundwater can reduce rice yield.

76 ought can send roots many meters down to the groundwater capillary fringe.

77 We compiled groundwater chemical data from three aquifer regions acr

78 This study examined the effects of important groundwater chemical parameters, i.e., alkalinity, pH, a

79 tated transport can be induced by changes in groundwater chemistry that occur, for example, when high

80 at underground gas well blowouts may have on groundwater chemistry, as well as the important role of

81 oxic versus anoxic manipulations on in situ groundwater communities.

82 x community that fluctuated in-step with the groundwater community and responded to DO.

83 Statistically significant decreases in PFAA groundwater concentrations were observed in post-treatme

84 exposure of reduced sediments to artificial groundwater containing O2 or NO3(-) under diffusion-limi

85 gh efficiency process was also used to treat groundwater containing PFOA and several cocontaminants i

86 When challenged with a feed of natural groundwater containing various competing electron accept

87 Biodegradation of the persistent groundwater contaminant 1,4-dioxane is often hindered by

88 To deliver this information for the common groundwater contaminant chloroform (CF), this study inve

89 chromium, Cr(VI), is a widespread and toxic groundwater contaminant.

90 rogen are still lacking for many halogenated groundwater contaminants and degradation pathways.

91 riable in efforts to predict the presence of groundwater contaminants regionally.

92 oethylene and dichloroethylene are notorious groundwater contaminants.

93 as engineered aqueous environments, such as groundwater contaminated by natural leachate and acid mi

94 Globally, 200 million people drink groundwater contaminated with fluoride concentrations ex

95 We investigated groundwater contamination and transport of road salts at

96 We discuss the literature on a) surface and groundwater contamination by oil and gas extraction oper

97 the hydrogeochemical processes causing such groundwater contamination by peak cU(aq), we reanalyzed

98 Uranium groundwater contamination due to U mining and processing

99 Basin (UCRB) exhibit persistent uranium (U) groundwater contamination plumes originating from former

100 n fossil fuel-related and natural sources of groundwater contamination.

101 water mixture (defined as the proportion of groundwater contribution in xylem water) is limited to 2

102 a universe of plant samples reported to have groundwater contribution to xylem water) is 37% (95% con

103 roduction and consumption within the coastal groundwater correspond with a microbial community capabl

104 tion of vinyl chloride (VC) contamination in groundwater could be mediated by three major bacterial g

105 Groundwater data collected by a state-wide groundwater q

106 r, in contrary to the well documented Indian groundwater depletion due to rapid and unmanaged groundw

107 Our quantification of groundwater depletion embedded in the world's food trade

108 ave located and quantified alarming rates of groundwater depletion worldwide.

109 Predicted soil moisture, groundwater depth and leaf area index agreed with the ob

110 Using estimates of groundwater depth and nitrate leaching for 1900-2000, we

111 ays a key role in providing refuges with low groundwater depth and stable soils during variable clima

112 Simulations shows that at groundwater depth of 1 m capillary upward supplied 41% o

113 This reduced to 6% at groundwater depth of 2 m.

114 were run in which the irrigation amount and groundwater depth were varied.

115 over space on the microbiome continuum in a groundwater-derived system.

116 s both act as continuous PFAS sources to the groundwater despite 18 and 20 years of inactivity, respe

117 ted to stream loading, and (3) flood-induced groundwater discharge mobilized soluble constituents sto

118 slope and wave height, and lower terrestrial groundwater discharge) had greater E. coli accumulation

119 affect water quality through surface runoff, groundwater discharge, and damage to municipal water inf

120 rotrophy, which succumbs to autotrophy under groundwater discharge.

121 microorganisms associated with increases in groundwater discharge.

122 ediate vinyl chloride (VC) biodegradation in groundwater discharging into surface waters.

123 S) contamination in soil, surface water, and groundwater due to regular practices with PFAS-containin

124 )) and oxygen (O2), which become elevated in groundwater due to seasonal fluctuations in the water ta

125 Indirect N2O emission factors for groundwater (EF5g) and surface runoff (EF5r) were calcul

126 ncreas (TORT-2), pig kidney (ERM-BB186), and groundwater (ERM-CA615) certified reference materials (C

127 jection, may also pose a potential threat to groundwater, especially USDWs.

128 The evidence of surface water-groundwater exchange on a spatial scale of kilometers an

129 ly, by modifying the extent of surface water/groundwater exchange.

130 er degassing model, a two-stage oil modified groundwater exsolution fractionation model is required t

131 imed at a complete phase-out of nonrenewable groundwater extraction and concurrent policy aimed at ac

132 ting and mitigation, including management of groundwater extraction from coastal aquifers.

133 tial contamination of aquifers; however, the groundwater fate and transport of hydraulic fracturing f

134 ranging from hours to months; the effects of groundwater flow are subordinate.

135 nating organisms be present, but also proper groundwater flow conditions must be maintained or else d

136 Based on analysis of local groundwater flow conditions, this methane is not a remna

137 Brunei Darussalam, we show how rainfall and groundwater flow determine a shape parameter (the Laplac

138 to water table depth, and including lateral groundwater flow in the model increases transpiration pa

139 t insufficient hydrogen production occurs if groundwater flow is too slow to provide adequate flux of

140 cluding frequently cryptic processes such as groundwater flow.

141 ogenic contaminants limit the suitability of groundwater for domestic purposes over large geographic

142 However, water extraction from groundwater, for example, has not been demonstrated usin

143 tihormonal activities present in surface and groundwater from natural and anthropogenic sources; we a

144 in groundwaters from 145 wells across central West Bengal,

145 FFFs, commercial products, and AFFF-impacted groundwaters from 15 U.S. military bases was conducted t

146 characterization of DOM and its relation to groundwater geochemistry across a petroleum hydrocarbon

147 year due to the unsustainable extraction of groundwater (GW).

148 in plants and the contamination of soil and groundwater has been investigated at a fire training sit

149 and climate change on fecal contamination of groundwater has not been well characterized.

150 n at this site as well as a variety of other groundwater/high silicate containing natural and enginee

151 Local groundwater hot spots under city centers and under indus

152 oss East Africa could function as persistent groundwater hydro-refugia through orbital-scale climate

153 he feedbacks that link peat accumulation and groundwater hydrology.

154 t a trending threat to the sustainability of groundwater in northwest Iran and California, and the ne

155 arise from migration downward of As-polluted groundwater in overlying aquifers.

156 orbent for remediating fluoride-contaminated groundwater in resource-constrained areas.

157 Recent data on AFFF-impacted groundwater indicates that approximately 25% of the PFAS

158 Our results suggest that while groundwater influence is globally prevalent, its proport

159 ounty and, to a much greater extent, private groundwater irrigation.

160 Given that groundwater is a major source of drinking water, the mai

161 nking water is a global challenge, for which groundwater is increasingly being used throughout the wo

162 ing areas where arsenic-contaminated shallow groundwater is pervasive and has potential to migrate do

163 valuate multiple contaminants to ensure that groundwater is safe for human consumption and agricultur

164 Groundwater is the major source of drinking water for pe

165 ity is an important control in regions where groundwater is unconfined, with a high N2O yield from hi

166 y locate, monitor, and track contaminants in groundwater, it is harder to perform these tasks in the

167 The groundwater level fluctuations are dominated by the aqui

168 Groundwater-level fluctuations represent hydraulic respo

169 itative identification of loading effects on groundwater levels in the BAS.

170 bolism also has significant implications for groundwater management and contaminant remediation by pr

171 atistical analyses and simulation results of groundwater management policy change effect on groundwat

172 gly heterogeneous regions suggest a need for groundwater management strategies that are adapted to th

173 transport of chlorinated ethenes in flowing groundwater, mass transfer of chlorinated ethenes betwee

174 Pollutants such as fluoride in groundwater may be present in much higher concentration

175 sory of 40 mug/L were found in deeper, older groundwater (mean residence time >300 y).

176 Here we present high-frequency groundwater measurements over a twelve-month period from

177 We identify four distinct characteristics of groundwater-methane attenuation in the Poison Canyon aqu

178 r a range of redox conditions using sediment-groundwater microcosms and flow-through columns.

179 bility of deep, low-arsenic groundwater with groundwater models that incorporate geostatistical simul

180 d comprehensive collection of biogeochemical groundwater monitoring data.

181 Our estimates thus bound the amount of groundwater needed to supplement consumption each year (

182 ted nitrate moving downwards and threatening groundwater nitrate contamination.

183 le and national-scale estimates and observed groundwater nitrate data.

184 s, and mass balance calculations to evaluate groundwater NO3(-) sources and transport in areas surrou

185 bioremediation of chloroethene-contaminated groundwater, not only must the proper dechlorinating org

186 ained reactive toward (99m)Tc under relevant groundwater O2 and NO3(-) concentrations over 55 days.

187 Instead, the As concentration in the groundwater of up to 1 muM is due to equilibrium-control

188 ssary to assess the risk it may represent to groundwater once the new ordnance is routinely produced

189 ulations to mitigate the negative impacts of groundwater overexploitation.

190 t circumneutral pH, but activity declines at groundwater pH values below 6.0.

191 and its derivatives from the tree-associated groundwater plume.

192 widespread environmental pollutant common in groundwater plumes associated with industrial manufactur

193 maintenance and seasonal variability of U in groundwater plumes in the UCRB.

194 whereas N losses additionally contribute to groundwater pollution.

195 Groundwater pumping for agriculture is a major driver ca

196 ains stream fish assemblages associated with groundwater pumping from the United States High Plains A

197 e-stream fishes by small-stream fishes where groundwater pumping has increased depth to groundwater.

198 Groundwater pumping in Dhaka has caused large-scale draw

199 at Plains stream fish assemblages related to groundwater pumping, and we predict similar transformati

200 water losses from ice sheets, glaciers, and groundwater pumping, slowing the rate of sea level rise

201 ently hydraulic fracturing operations impact groundwater quality is of widespread importance to drink

202 Groundwater data collected by a state-wide groundwater quality monitoring study in Mecklenburg-West

203 pact of changes in agricultural practices on groundwater quality.

204 increasingly being recognized as a threat to groundwater quality.

205 rator26PFAS levels were detected in soil and groundwater ranging from 16 to 160 ng g(-1) dry weight (

206 tions support a geogenic source of Mo to the groundwater, rather than CCR-induced contamination.

207 re in the vadose zone is important to assess groundwater recharge and solute transport in unconsolida

208 st of the presently available projections of groundwater recharge because spatially variable storages

209 The modeling results show that groundwater recharge containing (fertilizer-derived) nit

210 use stormwater and recycled water to augment groundwater recharge through spreading basins represent

211 al reactivity, aquifer transport properties, groundwater recharge, groundwater residence time and aqu

212 This notably includes groundwater recharge, which is an important variable for

213 -based materials used in water treatment and groundwater remediation-especially micro- and nanosized

214 transport properties, groundwater recharge, groundwater residence time and aquifer-river exchanges f

215 diagnostic geochemical tracers combined with groundwater residence time indicators to investigate the

216 The isotope signatures combined with mean groundwater residence times of more than 300 years for g

217 sustainability of global food production and groundwater resource management by identifying priority

218 The dwindling groundwater resource of India, supporting almost one fif

219 on provides the most efficient conversion of groundwater resources into economic value (m(3) GW/$) in

220 rtant variable for efficient and sustainable groundwater resources management.

221 but is frequently ignored in assessments of groundwater resources.

222 variability according to spatially variable groundwater response times determined by geology and top

223 Results indicate various groundwater responses to contamination: (1) rapid breakt

224 Acidic CO2-charged groundwater results in a marked decrease (by 2.5-4) in

225 erometric experiments conducted in synthetic groundwater revealed that the presence of Ca(2+) and Mg(

226 res filling before finer pore spaces, unlike groundwater rise in which capillary forces saturate the

227 fied reference material (NIST SRM 1643e) and groundwater sample analysis, indicating the good reliabi

228 We collected 95 groundwater samples across 6 chlorinated ethene-contamin

229 A total of 148 groundwater samples and 4 sediment cores were collected

230 positively related to PCE concentrations in groundwater samples collected at depths less than 20 m (

231 oxidizable precursor assays conducted using groundwater samples collected throughout the plume sugge

232 Soil and groundwater samples were collected before and after an I

233 lene (C2H2) can be generated in contaminated groundwater sites as a consequence of chemical degradati

234 Spatial analysis shows that the magnitude of groundwater source contribution increases with aridity.

235 However, the magnitude of groundwater source contribution to the xylem water mixtu

236 her (MTBE) has caused major contamination of groundwater sources and is a concern due to its taste an

237 een (rainfall-based) and blue (surface water/groundwater) sources.

238 rmance using seawater as well lake water and groundwater spiked with known amounts of UO2(2+).

239 Groundwater springs discharging in this gaining system d

240 for the first time, we report regional-scale groundwater storage (GWS) replenishment through long-ter

241 represent hydraulic responses to changes in groundwater storage due to aquifer recharge and drainage

242 oundwater management policy change effect on groundwater storage in western and southern India, we sh

243 situ and decadal (2003-2014) satellite-based groundwater storage measurements in western and southern

244 could become a limiting factor for megacity groundwater supplies in aquifers worldwide.

245 required to improve the quality of impacted groundwater supplies.

246 The fate of nitrate transported across groundwater-surface water interfaces has been intensivel

247 Subsurface groundwater-surface water mixing zones (hyporheic zones)

248 k is useful for sustainability assessment of groundwater systems and allows investigating the effects

249 ic in hydraulic fracturing operations and in groundwater systems containing shales.

250 e more people have been improving over time, groundwater systems in violation and average duration of

251 died the natural attenuation of HCH in these groundwater systems through a combination of enantiomeri

252 m the top (reflecting climate and soil), and groundwater table depth from below (reflecting topograph

253 ed land surface temperature and interpolated groundwater temperature measurements, we compare the spa

254 d suggest they create contaminated plumes of groundwater that deliver Cl(-) and Na(+) to streams thro

255 ponds, we documented a plume of contaminated groundwater that resulted in Cl(-) loadings to the adjac

256 taple crop imports from partners who deplete groundwater to produce these crops, highlighting risks f

257 Deep roots connect deep soil/groundwater to the atmosphere, thus influencing the hydr

258 organic modulator for the supply of DOM from groundwaters to the sea, and that the STE has the potent

259 ous uranium, nitrate, and sulfate species in groundwater together with their distribution across the

260 of dissolved gases and the implementation of groundwater tracer tests with dissolved (4)He.

261 Groundwater travel times inferred from the age-data indi

262 ron and strontium isotope ratios, along with groundwater tritium-helium and radiogenic (4)He in-growt

263 Groundwater typically has low Mo (<2 mug/L), and elevate

264 re found to be both mobile and persistent in groundwater under a range of redox conditions.

265 ive dechlorination of chlorinated ethenes in groundwater under different flow conditions.

266 As expected, groundwater upwelling had a major influence on nutrient

267 he effects of internal spatial feedbacks and groundwater upwelling were approximately equal in magnit

268 We show that the prevalence of groundwater use by vegetation (defined as the number of

269 But the global prevalence and magnitude of groundwater use by vegetation is unknown.

270 proximately eleven per cent of non-renewable groundwater use for irrigation is embedded in internatio

271 uate the sustainability of surface water and groundwater use over the continental United States.

272 f the global population and also the largest groundwater user, has been of great concern in recent ye

273 Adsorption experiments in synthetic groundwater using bauxites from Guinea, Ghana, U.S., and

274 or calculating capillary fluxes from shallow groundwater using readily available data.

275 e of trace chemicals at natural abundance in groundwater, using a cryogenic probe, demonstrates the v

276 ite in aqueous systems is dependent on major groundwater variables, such as pH and the presence of or

277 nt by 98% (from 500 to 10 ppb) in artificial groundwater via multiple successive extractions with an

278 alt Lake City, Utah, we asked where and when groundwater vs shallow surface water inputs controlled s

279 he concentration of the actinides in the GTS groundwater was determined with AMS over 6 orders of mag

280 oration of aquatic environments (surface and groundwater), we developed a technique for field continu

281 ne recently constructed (2000-2014) domestic groundwater well.

282 re, we analyze the distance between domestic groundwater wells (public and self-supply) constructed b

283 t ([Formula: see text]50%) recorded domestic groundwater wells exist within 2 km of one or more hydra

284 fy 236 counties where most recorded domestic groundwater wells exist within 2 km of one or more recor

285 hydraulic fracturing operations to domestic groundwater wells is unknown.

286 Groundwater wells located closer to hydraulically fractu

287 ells frequently exist near recorded domestic groundwater wells that may be targeted for further water

288 l to contaminate aquifers tapped by domestic groundwater wells.

289 ctive ecotone between the surface stream and groundwater, where exchanges of nutrients and organic ca

290 erformed well at determining testosterone in groundwater with average recoveries of testosterone rang

291 luate the vulnerability of deep, low-arsenic groundwater with groundwater models that incorporate geo

292 ential for remediating AFFF contamination in groundwater with heat-activated persulfate, PFAS oxidati

293 r residence times of more than 300 years for groundwater with high Mo concentrations support a geogen

294 on-site high resolution spatial sampling of groundwater with high resolution molecular characterizat

295 s an analytical solution of upward flux from groundwater with the EPIC crop growth model.

296 ern of pore-filling than wetting from below (groundwater), with larger, well-connected pores filling

297 kely led to elevated summation operatorBT in groundwater, with elevated concentrations observed durin

298 India, we show that paradigm shift in Indian groundwater withdrawal and management policies for susta

299 ndwater depletion due to rapid and unmanaged groundwater withdrawal, here for the first time, we repo

300 85-day reaction, despite rapid diffusion of groundwater within the sediments and the presence of non