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Hydrogen isotope biogeochemistry is the scientific study of biological, geological, and chemical processes in the environment using the distribution and relative abundance of hydrogen isotopes. There are two stable isotopes of hydrogen, protium 1H and deuterium 2H, which vary in relative abundance on the order of hundreds of permil. The ratio between these two species can be considered the hydrogen isotopic fingerprint of a substance. Understanding isotopic fingerprints and the sources of fractionation that lead to variation between them can be applied to address a diverse array of questions ranging from ecology and hydrology to geochemistry and paleoclimate reconstructions. Since specialized techniques are required to measure natural hydrogen isotope abundance ratios, the field of hydrogen isotope biogeochemistry provides uniquely specialized tools to more traditional fields like ecology and geochemistry.
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Hydrogenisotopebiogeochemistry is the scientific study of biological, geological, and chemical processes in the environment using the distribution and...
Hydrogen (1H) has three naturally occurring isotopes, sometimes denoted 1 H , 2 H , and 3 H . 1 H and 2 H are stable, while 3 H has a half-life of 12.32(2)...
isotopebiogeochemistry is the study of the distribution of sulfur isotopes in biological and geological materials. In addition to its common isotope...
Hydrogen sulfide is a chemical compound with the formula H2S. It is a colorless chalcogen-hydride gas, and is poisonous, corrosive, and flammable, with...
on the isotope in question, the hydrogen cation has different names: Hydron: general name referring to the positive ion of any hydrogenisotope (H+) Proton:...
signature Radiometric dating Isotope-ratio mass spectrometry Sulfur isotopebiogeochemistry Urey–Bigeleisen–Mayer equation Drever, James (2002). The Geochemistry...
5194/hess-21-779-2017. Schlesinger, William H.; Bernhardt, Emily S. (2013). Biogeochemistry: an analysis of global change (3rd ed.). Waltham, MA: Academic Press...
Nitrogen-15 tracing is an important method used in biogeochemistry. The ratio of stable nitrogen isotopes, 15N/14N or δ15N, tends to increase with trophic...
the various phosphates because of their key roles in biochemistry, biogeochemistry, and ecology, and their economic importance for agriculture and industry...
especially those ones in the vicinity of island of stability. Sulfur isotopebiogeochemistry "Standard Atomic Weights: Sulfur". CIAAW. 2009. Prohaska, Thomas;...
concerned with the biochemistry of the Early Earth with a focus on isotope-biogeochemistry and the evidence of the earliest life processes in Precambrian...
Trace metal stable isotopebiogeochemistry is the study of the distribution and relative abundances of trace metal isotopes in order to better understand...
Schidlowski M, Hayes JM, Kaplan IR (1983). "Isotopic inferences of ancient biochemistries-Carbon, sulfur, hydrogen, and nitrogen.". In Schopf JW (ed.). Earth's...
Peter M. H. Kroneck and Martha E. Sosa Torres (ed.). The Metal-Driven Biogeochemistry of Gaseous Compounds in the Environment. Metal Ions in Life Sciences...
Methane clumped isotopes are methane molecules that contain two or more rare isotopes. Methane (CH4) contains two elements, carbon and hydrogen, each of which...
heavy isotope relative to the reactants (low heavy isotope to light isotope ratio), and although this is not always the case, the study of isotope fractionations...
3d9 4s1. The isotopes of nickel range in atomic weight from 48 u (48 Ni) to 82 u (82 Ni). Natural nickel is composed of five stable isotopes, 58 Ni, 60...
elements to the world's oceans, thus contributing to global marine biogeochemistry. Relative to the majority of the deep sea, the areas around hydrothermal...
react with certain stable isotopes of carbon. The selective enrichment of one stable isotope over another creates distinct isotopic fractionations that can...
measurements of the elemental and isotopic composition of a sample. The NanoSIMS is able to create nanoscale maps of elemental or isotopic distribution, parallel...
proxies, including fossil pollen and stable carbon, nitrogen and hydrogenisotopes. Combined with the antiquity of hyrax middens, and the often-continuous...
100. Of these naturally occurring isotopes, only molybdenum-100 is unstable. Molybdenum-98 is the most abundant isotope, comprising 24.14% of all molybdenum...
is element 47 (silver). Heavier isotopes decay mostly through beta emission producing element 49 (indium). One isotope of cadmium, 113Cd, absorbs neutrons...
microbial species transform elements such as carbon, sulfur, nitrogen, and hydrogen, from one species to another. Their activity alters the original chemical...
acids. Isotope ratio analysis (GC-IRMS) measures relative abundance of carbon, hydrogen, and other isotopes with high precision. The carbon isotopic ratio...
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