ライフサイエンスコーパス: geochemical

1 al roles on primordial Earth, given its poor geochemical accessibility.

2 ions with their structural relationships and geochemical affinities are comparable to those of supra-

3 Geochemical analyses (delta(11)B and Sr/Ca) are reported

4 Geochemical analyses and thermodynamic modelling reveal

5 ic, metatranscriptomic, genomic binning, and geochemical analyses from Axial Seamount, an active subm

6 he first evidence of palaeopollution through geochemical analyses of heavy metals in four renowned ar

7 Geochemical analyses of sedimentary barites (barium sulf

8 Geochemical analyses of water from one stream with high

9 Their geochemical analyses provide crucial insights of taphono

10 Geochemical analyses show the MD soils, which were expos

11 We applied biomolecular, biochemical and geochemical analyses to reconstruct her mobility and die

12 planning stage, in conjunction with routine geochemical analyses, can be used to identify where more

13 geted metagenome analysis were combined with geochemical analyses.

14 s of stomatal and vascular conductivity with geochemical analysis of fossilized tissues and process-b

15 A geochemical analysis of samples from the spring vent rul

16 Geochemical analysis of the epigenetic coating over the

17 Geochemical analysis of these primitive lower plutonic r

18 tailed shard morphology characterization and geochemical analysis suggest that two tephra layers were

19 freshwater and atmospheric environments and geochemical analytes measured in the snow.

20 In contrast, here we show clear geochemical and biological evidence for methane producti

21 t production were determined with a suite of geochemical and biological measurements.

22 Geochemical and biological proxies reveal that these dyn

23 ghting the ability of the sensor to decouple geochemical and biotic effects on phosphate dynamics in

24 In this study, we examined the geographic, geochemical and ecological factors that influence microb

25 ctrochemical approaches from an applied (bio)geochemical and environmental analytical chemistry persp

26 que for measuring electron-transfer rates in geochemical and environmental systems.

27 erstanding the deep carbon cycle and related geochemical and geophysical processes.

28 king marker), landscape characteristics, and geochemical and hydrologic variables.

29 in objective of this work was to investigate geochemical and hydrological processes governing the sub

30 on demonstrates the validity of the combined geochemical and isotopic approach as a unique and practi

31 arc, which displays one of the most extreme geochemical and isotopic ranges, although the origin of

32 We establish geochemical and isotopic tracers that can identify Bakke

33 ism plays an important role in producing the geochemical and isotopic variations in arc lavas.

34 lyses can be used to further improve coupled geochemical and mechanical models of cement alteration i

35 In the present study, geochemical and microbial data sets collected from 35 we

36 Here we present petrographic, geochemical and microbial DNA evidence preserved in prec

37 Using a suite of geochemical and microbiological analyses, we measured th

38 We synthesize geochemical and mineralogical data from lake-bed mudston

39 as well as independent of location-specific geochemical and mineralogical factors.

40 ucture of Sulfolobus islandicus by comparing geochemical and molecular analysis from seven hot spring

41 points that correlate with well-established geochemical and palaeobiological chronologies during pro

42 proxies obtained from the most comprehensive geochemical and palaeobiological dataset yet collected t

43 We applied independent geochemical and palynological proxies to a sedimentary a

44 rom a deep hot source, inferred to represent geochemical and temperature variations at Solfatara.

45 This study of the geochemical and temporal differences between the NW and

46 We interpret the geochemical and temporal differences between the SE and

47 is applicable to the study of hydrological, geochemical, and biological interactions for a range of

48 ion of early Hadean (>4.5 billion years ago) geochemical anomalies in lavas sampling this reservoir.

49 interpretation for the origin of seismic and geochemical anomalies in the deep lower mantle, as well

50 ed geological disposal conditions by using a geochemical approach.

51 (PGE) to the environment, and their coupled geochemical behavior has been proposed.

52 es plays a crucial role in the catalytic and geochemical behavior of metal oxides.

53 The geochemical behavior of Pu strongly depends on its redox

54 ferent natural and anthropogenic sources and geochemical behaviors, were used to compare streamwater

55 UHPLC-MS/MS) method that is able to quantify geochemical biomarkers in sediment is described.

56 The broader impact of root evolution on the geochemical carbon cycle is a developing area and one in

57 term atmospheric CO2 and climate through the geochemical carbon cycle.

58 m bearing minerals, thus contributing to the geochemical carbon cycle.

59 molecular analyses, we demonstrate that the geochemical changes at Star Carr are contributing to the

60 ears to uncover how global environmental and geochemical changes covary with trait-based extinction s

61 from the site, to assess the effect of these geochemical changes on the remaining archaeological mate

62 ntly limited in our ability to deal with the geochemical changes unfolding in our coastal ocean.

63 d depending on hydrologic regime and general geochemical characteristics of tributaries of the Amazon

64 ictions of Hg speciation obtained from three geochemical codes (WHAM, Visual MINTEQ, PHREEQC) with an

65 ustal heterogeneity has prevented a thorough geochemical comparison of its primary igneous building b

66 wn how the surface expression of the various geochemical components observed in hotspot volcanoes rel

67 Although geography controls regional geochemical composition and population differentiation,

68 al ground truth proxies for studying life in geochemical conditions close to those assumed to be pres

69 of coastal environments may therefore create geochemical conditions favorable for iron-mediated AOM a

70 aptively optimized for unique ecological and geochemical conditions in the late Proterozoic.

71 The geochemical conditions in the vicinity of a nuclear repo

72 e and reciprocally, that gene abundances and geochemical conditions largely determine gene expression

73 erals help establish the hydrogeological and geochemical conditions of redox transition zones because

74 at dissolved U is bioavailable under all the geochemical conditions tested.

75 rmation of metaschoepite was a result of the geochemical conditions under which the penetrators corro

76 This extends our knowledge of the range of geochemical conditions under which there is potential fo

77 ze different electron acceptors depending on geochemical conditions.

78 ile organic carbon and associated changes in geochemical conditions.

79 ity over a range of environmentally relevant geochemical conditions.

80 /community response should occur under known geochemical conditions.

81 ith respect to contamination and fluctuating geochemical conditions.

82 underlying mantle, although geophysical and geochemical constraints on the exact thickness and defin

83 t geological time scales and under different geochemical constraints, with possible implications for

84 l interfaces within a broader structural and geochemical context.

85 The geochemical controls of this facility are largely design

86 However, geochemical controls on V mobility within coke deposits

87 SEIO), through a robust 215-year (1795-2010) geochemical coral proxy sea surface temperature (SST) re

88 e environments is important to elucidate the geochemical cycle of sulphur and the evolution of ocean

89 /y), humans are the predominant force in the geochemical cycle of V at Earth's surface.

90 tion strategies and better understanding the geochemical cycles of these elements.

91 the study of deep biospheres, their role in geochemical cycles, and their potential to inform on the

92 f microbial communities that regulate global geochemical cycles.

93 , and explore the implications for long-term geochemical cycles.

94 slabs and play key roles in controlling the geochemical cycling and physical properties of subductio

95 tributed over the Earth's surface, and their geochemical cycling is globally important.

96 rganisms in the environment but also for the geochemical cycling of elements, ions and organic matter

97 However, the deposition history and geochemical cycling of Hg in the TP is still uncertain.

98 ture, offering new tracers of biological and geochemical cycling.

99 important variable but near-surface-aquifer geochemical data also were significant.

100 ransport modeling to integrate hydraulic and geochemical data and to quantify rates at the grid block

101 ression from the same cruises align with the geochemical data and together indicate that N2fixation i

102 Geological and geochemical data are consistent with mantle input contro

103 We used an archive of geochemical data collected from 1988 to 2014 to determin

104 eochemical variations by using microbial and geochemical data collected in January, June and August o

105 tigated parameters, our palaeontological and geochemical data combined do not support the presence of

106 redox-sensitive trace-metal abundances, iron geochemical data do not show a statistically significant

107 The model was developed using new geochemical data for 204 wells in New York State (NYS),

108 plutonic rocks--in combination with previous geochemical data for shallow-level plutonic rocks, sheet

109 This study presents Sr isotope and geochemical data from a well-constrained site in Greene

110 We present compiled geochemical data of young (mostly Pliocene-present) inte

111 Here we report petrological and geochemical data on magmas erupted 4.7-0.3 Myr ago in ce

112 New geochronological and geochemical data on magmatic activity from the India-Asi

113 The geochemical data show a near-perfect correlation between

114 Petrological modelling and geochemical data suggest the need of interaction between

115 Indeed, the geochemical data suggests this mode of convection could

116 We use multiparameter geophysical and geochemical data to show that the 110-square-kilometer a

117 Correlation of the electrical response and geochemical data, in particular the analysis of recovere

118 Integrating geophysical and geochemical data, we estimate that 1.3 Gt CO2 are curren

119 resent levels by 420-400 Ma, consistent with geochemical data.

120 Global-scale geochemical differences across the upper mantle are know

121 this chain, Loa and Kea, and the systematic geochemical differences between them have remained unexp

122 Loa-track volcanism, yielding the systematic geochemical differences observed between Loa- and Kea-ty

123 zones from the west, and helping to explain geochemical differences with the Valu Fa Ridge to the so

124 nd sediments and play a critical role in the geochemical distribution of trace elements and heavy met

125 ations rising from different geophysical and geochemical dynamics at pore-scale.

126 Understanding kinetic and geochemical effects on toxicant bioavailability is key,

127 s by introducing bubble stripping as a novel geochemical engineering approach to reducing high CO2 in

128 e characterization of water-based corrosion, geochemical, environmental and catalytic processes rely

129 t the speciation of U(IV) in low-temperature geochemical environments, inhibiting the development of

130 of inorganic carbon species together with a geochemical equilibrium model.

131 These data are consistent with marine geochemical evidence and microbial genomic information,

132 the fossiliferous strata at Miaohe there is geochemical evidence for anoxic conditions, but paleonto

133 .31 Gyr ago, concurrent with the most recent geochemical evidence for the Great Oxidation Event.

134 Available observations and geochemical evidence have enabled us to construct a 'Dif

135 Isotopic (delta(34)S and delta(18)O) and geochemical evidence indicate that the source of sulfate

136 hquakes, which are spatially correlated with geochemical evidence of a fluid pathway from the mantle,

137 has important implications for our planet's geochemical evolution and physical history.

138 ry origin represents a key transition in the geochemical evolution of the Earth surface.

139 and hydrogen in Earth's interior dictate the geochemical evolution of the hydrosphere, atmosphere and

140 d nonlocal scales) to potential CAMP-induced geochemical excursions has remained challenging.

141 Investigating the influence of geochemical factors and microbiome structure is a critic

142 robial community responses to alterations in geochemical factors beyond the bulk phase.

143 tween the bacterial community, Hg levels and geochemical factors including pH and the predicted total

144 nd complexity associated with biological and geochemical factors influencing Dhc activity.

145 Accordingly, geochemical factors such as pH and metal cations can mod

146 Geochemical factors that control the structural order of

147 ing framework for developing a quantitative, geochemical fingerprinting tool to distinguish sources o

148 due to their widespread dispersal and unique geochemical fingerprints.

149 fic predictions, model results indicate that geochemical fluxes are robust indicators of microbial co

150 Exceptionally well-preserved organic geochemical fossils--biomarkers--preserved in a soil hor

151 sing Italian alabaster and provides a robust geochemical framework for provenancing, including recogn

152 bservations in a consistent petrological and geochemical framework.

153 on of transient Mn(III) intermediates to the geochemical functioning of phyllomanganates in environme

154 fferent microbes that cooperate to carry out geochemical functions.

155 data provide the clearest picture yet of the geochemical geometry of a mantle plume, and are best exp

156 l vents, microbial communities thrive across geochemical gradients above, at, and below the seafloor.

157 takes place in three steps progressing along geochemical gradients produced through microbial activit

158 Geochemical gradients that developed in the diffusion-li

159 Critically, these four geochemical groups trend towards a common region of Pb-i

160 of the Samoan lavas reveal several distinct geochemical groups, each corresponding to a different ge

161 mical images revealed a pronounced impact of geochemical heterogeneities concerning the reactivity of

162 Variables representing geologic sources, geochemical, hydrologic, and physical features were amon

163 requires new numerical tools that integrate geochemical, hydrological, and biological processes.

164 Geochemical inferences on ancient diet using bone and en

165 only used geochronometer, preserving age and geochemical information through a wide range of geologic

166 High-resolution geochemical, isotopic, and (14)C analyses of a sedimenta

167 olcano north of Toba, Sinabung, shows strong geochemical kinship with Toba, and zircons from recent e

168 Here we report new field observations and geochemical, magnetostratigraphic and radioisotopic resu

169 ents were accompanied by traditional aqueous geochemical measurements (pH, Eh, concentrations) and so

170 onal reactive transport model reproduced the geochemical measurements and confirmed that the decrease

171 Through geochemical measurements of incubation experiments with

172 ity ratio, and (34)S/(32)S (delta(34)S), and geochemical measurements of U ore and groundwater collec

173 propagation of these effects as well as the geochemical mechanisms regulating them remain largely un

174 Transylvanian Basin, Romania) in relation to geochemical milieu and pore water chemistry, while infer

175 The geochemical model confirmed that mobilization of trace m

176 The geochemical model for Mo mineralization in the JEB Taili

177 ments of brine-rock-CO2 interactions and the geochemical model suggest that, in the study area, enhan

178 This study developed a multicomponent geochemical model to interpret responses of water chemis

179 The experimental data combined with geochemical modeling and X-ray diffraction analysis sugg

180 kaline conditions, we combined thermodynamic geochemical modeling with bioreactor experiments using S

181 for a wide range of elements by mechanistic geochemical modeling.

182 of Hg speciation in groundwater by means of geochemical modeling.

183 Geochemical modelling confirmed the complexity of uraniu

184 Geochemical modelling confirmed the complexity of vanadi

185 Geochemical modelling of lead and lead mineral speciatio

186 y combining advanced image segmentation with geochemical models of cement alteration.

187 Geochemical models reproduce observed reaction progress

188 Finally, we utilize geochemical models to fit our real-time experimental Cu(

189 Finally, a late phase of geochemical modification by saline fluids is recognized.

190 ased on genetic (simple sequence repeat) and geochemical (multielement and (87)Sr/(86)Sr ratio) analy

191 distribution of surface nutrients provides a geochemical niche favorable for N2fixation, the primary

192 d in situ on rice roots to demonstrate a new geochemical niche of greatly enhanced As, Pb, and Fe(II)

193 ological adaptations to distinct sedimentary geochemical niches evolved in different MCG subgroups.

194 Apparent imbalances in geochemical nitrogen budgets have spurred numerous studi

195 Previous geochemical observations and modeling at the site sugges

196 Here, using an organic geochemical palaeothermometer (TEX86), we present a reco

197 Considerable geological, geochemical, paleontological, and isotopic evidence exis

198 thesis, based on assessment of phylogenomic, geochemical, paleontological, and stratigraphic evidence

199 ation gene abundance and expression and site geochemical parameters (e.g., VC concentrations).

200 relations bolster earlier ideas that various geochemical parameters can be used to track changes of c

201 gle algal species, metabolites, and specific geochemical parameters can be used to unravel mixed meta

202 We propose that these geochemical parameters can be used, when averaged over t

203 parameters in potable aquifers, selection of geochemical parameters for CO2 leakage detection is site

204 ase tests can provide reliable assessment of geochemical parameters indicative of CO2 leakage.

205 collected over eight weeks and analyzed for geochemical parameters, tHg, MeHg and bacterio-toxic hea

206 s was investigated in seven soils of varying geochemical parameters.

207 sequencing, linking these community data to geochemical parameters.

208 (Hg) is challenging to predict as different geochemical pools of Hg may respond differently to enhan

209 probe designed for solution spectroscopy at geochemical pressures.

210 ented for solution-state NMR spectroscopy at geochemical pressures.

211 This geochemical process is more effective than metal solutio

212 Hg isotopes may have been altered by natural geochemical processes (e.g., Hg(2+) photoreduction and p

213 itan Archaea suggests they are mediating key geochemical processes and are specialized for survival i

214 Accordingly, we examine the geochemical processes controlling As desorption and mobi

215 trations are essential instruments to assess geochemical processes in Earth and environmental science

216 cterize the extent, severity, and underlying geochemical processes of groundwater arsenic (As) pollut

217 ward understanding the extent and underlying geochemical processes of the problem, numerical modeling

218 ers are promising tracers for environmental, geochemical processes such as oceanic mixing.

219 en essential to uncovering the microbial and geochemical processes that drive Earth's sulfur cycle.

220 organisms that correlate spatially with the geochemical processes they carry out.

221 in natural systems controlling redox-related geochemical processes.

222 arine plankton support global biological and geochemical processes.

223 enic, including geomorphological and organic geochemical processes.

224 ration of real observational data, including geochemical profiles and process rate measurements as we

225 Geochemical profiles, archaeal communities, and bacteria

226 on capacity of sediment is a function of its geochemical properties (e.g., the presence of carbonate

227 position of the particles suggest that their geochemical properties may influence the extent of Zn bi

228 Earth's mantle dictates the geophysical and geochemical properties of this region.

229 d for copper-spiked sediments with different geochemical properties.

230 arine redox structure be tracked by means of geochemical proxies and translated into estimates of atm

231 We used geochemical proxies related to global climate, as well a

232 Here we present shell-based geochemical proxies that reflect pH exposure from labora

233 ear from the sulfur isotope record and other geochemical proxies that the production of oxygen or oxi

234 This study utilizes the geochemical proxy and N isotope record of the Ediacaran-

235 tructions as they can considerably alter the geochemical proxy signatures in calcareous skeletal stru

236 er settlement in molluscs allows use of this geochemical proxy to assess ocean acidification effects

237 d successfully captures the evolution of the geochemical reactions and morphology of the fracture.

238 rstanding fracture alteration resulting from geochemical reactions is critical in predicting fluid mi

239 read of dissolved CO2 is enhanced because of geochemical reactions with the host formations (calcite

240 their translation into enzymes that catalyze geochemical reactions.

241 Differences in geochemical reactivity and range of dispersion from thei

242 s about both the possible occurrence and the geochemical reactivity of such As-bearing pyrites in low

243 Here we analyse the geochemical record and timing of the Pacific Ocean Large

244 Much of the geochemical record of recent anthropogenic activity has

245 oint, independently documented in the global geochemical record of rhyolites, at which rhyolitic melt

246 Our equatorial coccolith-derived geochemical record thus highlights an important period o

247 In this study, the geochemical records from two adjacent alpine bogs in the

248 However, current geochemical records lack the temporal resolution to addr

249 Here we present high-resolution geochemical records of surface runoff and vegetation fro

250 Here we present new geochemical records of terrigenous dust accumulating on

251 roduce homogeneous, flux-free glass beads of geochemical reference materials (GRMs), uranium ores, an

252 tween particle microhabitats and surrounding geochemical regimes is a strong selective force shaping

253 markers and proxies that may establish novel geochemical relationships between archaeal ether lipids

254 reliminarily explored in other contexts, the geochemical relevance of these compounds merits further

255 h microbiological heterogeneity between each geochemical replicate.

256 would explain the preservation of long-lived geochemical reservoirs and the lack of seismic anisotrop

257 unity are interconnected through exchange of geochemical resources.

258 This study targeted the geochemical response of siliclastic rock, specifically t

259 stern Washington) was used in a study of the geochemical response to introduction of oxygen or nitrat

260 ial resolution, infrared spectral mapping of geochemical samples at vibrational 'fingerprint' wavelen

261 An integrated approach including geochemical, sedimentological, and historical analyses w

262 iron (oxyhydr)oxides, a model system for the geochemical sequestration of radiotoxic actinides.

263 ogic carbon sequestration produces a complex geochemical setting in which CO2-dominated fluids contai

264 Centimeters of soil depth and corresponding geochemical shifts consistently affected microbial commu

265 rothermal system controlling geophysical and geochemical signals at the caldera.

266 Geochemical signals diagnostic of oxidative weathering,

267 First, we show that geochemical signals indicate superexponential growth of

268 How this biological similarity affects geochemical signals, and their interpretations, has yet

269 A unique geochemical signature overlaps with the southeastern flo

270 imilated crustal material, thus altering the geochemical signatures acquired from their mantle source

271 of Earth's core left behind geophysical and geochemical signatures in both the core and mantle that

272 ts 10 and 19 km upstream of a reservoir left geochemical signatures in sediments and porewaters corre

273 Here we use multiple geochemical signatures of N2 fixation to show that the F

274 In all treatments and geochemical simulations, no other lead vanadate, or vana

275 Both procedures are demonstrated for geochemical soil data sets from Europe, Australia, and t

276 ent that enters the biosphere primarily from geochemical sources, but also through anthropogenic acti

277 rsenic enters the environment primarily from geochemical sources, methylarsenicals either result from

278 dicting the mobility and toxicity of Hg, but geochemical speciation codes have not yet been tested fo

279 es severe constraints on the distribution of geochemical species within the plume.

280 the demise of ferruginous oceans, but recent geochemical studies show that ferruginous conditions per

281 a-dome explosivity based upon a textural and geochemical study (vesicularity, microcrystallinity, cri

282 ution of the primary lunar crust is based on geochemical systematics from the lunar ferroan anorthosi

283 ong-term silicate weathering rates in actual geochemical systems and developing durable silicate mate

284 ty species during the long term evolution of geochemical systems, even in oxygen-limited environments

285 tu experiments for studying fractionation in geochemical systems.

286 the active layer to Toolik Lake based on the geochemical tracer radon (up to 2.9 gm(-2)y(-1)) can acc

287 Oxygen Minimum Zone expansion as revealed by geochemical tracers and the onset of upwelling reflected

288 Here, we use diagnostic geochemical tracers combined with groundwater residence

289 explored and potentially applicable as novel geochemical tracers.

290 Through seasonal geochemical tracing of air in the atmosphere, soil and u

291 identifying functional relations between its geochemical, transport, elastic and fracture properties

292 largest monitored seismic, deformation, and geochemical unrest at the caldera.

293 lakes exhibited fluctuations in pigments and geochemical variables due to peat cutting and upland gra

294 We measured hydrological and geochemical variables in a tidal marsh of the Palo Alto

295 ngs of Yunnan Province, China in response to geochemical variations by using microbial and geochemica

296 The geochemical variations present in these biogenic structu

297 mantle and are a major gateway in the global geochemical water cycle.

298 analysis of palynological (chitinozoan) and geochemical (XRF) data, to evaluate whether the limeston

299 Increasingly, spatial geochemical zonation, present as geographically distinct

300 rate of the degradation process in different geochemical zones remain elusive.