Journal ArticleDOI
Standard for Reporting Concentrations of Deuterium and Oxygen-18 in Natural Waters.
TLDR
A standard, based on the set of ocean water samples used by Epstein and Mayeda to obtain a reference standard for oxygen-18 data, but defined relative to the National Bureau of Standards isotopic reference water sample, is proposed for reporting both deuterium and oxygen- 18 variations in natural watersrelative to the same water.Abstract:
A standard, based on the set of ocean water samples used by Epstein and Mayeda to obtain a reference standard for oxygen-18 data, but defined relative to the National Bureau of Standards isotopic reference water sample, is proposed for reporting both deuterium and oxygen-18 variations in natural waters relative to the same water. The range of absolute concentrations of both isotopes in meteoric-waters is discussed.read more
Citations
More filters
Journal ArticleDOI
A comparative study on hydrochemical evolution and quality of groundwater in coastal areas of Thailand and Bangladesh
Gui-Yao Xiong,Gui-Yao Xiong,Chen Guangquan,Xingyong Xu,Liu Wenquan,Tengfei Fu,Somkiat Khokiattiwong,Narumol Kornkanitnan,Aahraf Ali Seddique,Xuefa Shi,Shengfa Liu,Qiao Su,Xiu-Li Xu +12 more
TL;DR: In this paper, an end-member mixing and Gibbs model is used to study the evolution of groundwater hydrochemistry based on the 74 water samples in Thailand and Bangladesh, and the evolution path of groundwater in Bangkok Bay is Ca/Mg-HCO3→ Na (Mg)-Cl→ Na-Cl, which led to increased Na+, K+, and HCO3 concentrations in groundwater and enrichment of fluorine in groundwater caused fluorine pollution.
OtherDOI
Comparative Hydrology, Water Quality, and Ecology of Selected Natural and Augmented Freshwater Wetlands in West-Central Florida
TL;DR: In this paper, the authors compared the hydrology, water quality, and ecology of 10 isolated freshwater marsh and cypress wetlands in the mantled karst landscape of central Florida.
Journal ArticleDOI
Geochemical evidence of seawater intrusion into a coastal geothermal field of central Greece: example of the Thermopylae system
A. Duriez,A. Duriez,Christelle Marlin,Elissavet Dotsika,Marc Massault,Aurélie Noret,J. L. Morel +6 more
TL;DR: In this paper, the authors used PHREEQC to determine the evolution of the sea water in the Sperchios basin and found that the seawater identified in the thermal mixture is likely to be evolved Aegean seawater (ASW).
Journal ArticleDOI
Molecular hydrogen (H 2 ) emissions and their isotopic signatures (H/D) from a motor vehicle: implications on atmospheric H 2
TL;DR: In this article, molecular hydrogen (H2), its isotope signature (deuterium/hydrogen, δD), carbon monoxide (CO), and other compounds were studied in the exhaust of a passenger car engine fuelled with gasoline or methane and run under variable air-fuel ratios and operating modes.
Journal ArticleDOI
Marine hdrothermal alteration at a Kuroko ore deposit, Kosaka, Japan
TL;DR: Isotopic compositions for quartz, sericite and bulk rock samples surrounding the Uwamuki no. 4 Kuroko ore body, Kosaka, Japan, were determined by.
References
More filters
Journal ArticleDOI
Isotopic Variations in Meteoric Waters
TL;DR: The relationship between deuterium and oxygen-18 concentrations in natural meteoric waters from many parts of the world has been determined with a mass spectrometer and shows a linear correlation over the entire range for waters which have not undergone excessive evaporation.
Journal ArticleDOI
Isotopic standards for carbon and oxygen and correction factors for mass-spectrometric analysis of carbon dioxide
TL;DR: In this paper, Niee's and Solenhofen standards were compared to the Chicago PDB standard for carbon and oxygen isotope ratios, and the correction factors for instrumental effects and for the nature of the mass spectra were derived.
Journal ArticleDOI
Variation of O18 content of waters from natural sources
S Epstein,Toshiko K. Mayeda +1 more
TL;DR: A number of marine water and fresh water samples were examined for the relative O18O16 ratio, and the variation of this ratio was determined to a precision of ± 1% as mentioned in this paper.
Journal ArticleDOI
Effect of Low Concentrations of Carbon Dioxide on Photosynthesis Rates of Two Races of Oxyria.
TL;DR: Alpine plants of Oxyria digyna have higher apparent photosynthesis rates at various carbon dioxide concentrations than arctic, sea-level plants of the same species, which may be involved in the survival of plants at high elevations.