Both isotope data were within the ranges of the detrital particles derived from the GBM rivers (Ɛ Nd values: À21.3 to À12.5 and 87 Sr/ 86 Sr ratios: 0.720 to 0.802) (Singh and France-Lanord ...Web

The Sr isotopic composition of rivers and groundwaters in the Bengal Plain is a major contributor to the global oceanic Sr inventory. The stable strontium isotope ratios (δ88Sr) provide a new ...Web

The concentrations of Sr and 87 Sr/ 86 Sr isotopic ratios have been measured in the dissolved loads from the main channel of the Yangtze River. The result shows that the Yangtze River mainstream water has considerably higher Sr concentration (202–330 μg kg −1) and slightly lower 87 Sr/ 86 Sr ratio (0.7098–0.7108) than the global average runoff …Web

Strontium isotope (87 Sr/ 86 Sr) is considered as a sensitive tracer to indicate potential groundwater contamination. In this study, strontium (Sr) and 87 Sr/ …Web

Coastal river exports massive terrestrial materials to the adjacent marine environment with information about chemical weathering, providing critical insights on riverine flux and the potential impact on marine ecosystem. In this study, the preliminary data of dissolved strontium (Sr) and 87Sr/86Sr in a typical coastal river in southeastern …Web

The Indus river basin (IRB) is one of the most depleted water basins globally, having significant challenges for its water sector. Monitoring of stable isotope composition (δ 18 O and δ 2 H) across IRB is a critical aspect that can provide deeper insights for investigating complex hydrological processes. This work analyses the spatial pattern of …Web

To improve our knowledge of the migration pathway of a highly threatened fish species along the Mekong River, strontium isotope ratios (87 Sr/ 86 Sr) and 18 trace element concentrations were measured …Web

The Nd and Sr isotopic systematics of river-water dissolved material: implications for the sources of Nd and Sr in seawater. Chemical Geology, 66 (1987), pp. 245-272. View PDF View article View in Scopus Google Scholar. Gorokhov et al., 1995. ... Statistics for strontium isotope stratigraphy: a robust LOWESS fit to the marine …Web

The strontium isotope ratios seem to be strongly influenced by the formation of new ocean crust during the Flood, with the lowest ratios corresponding to the maximum volume of seafloor formation. ... In 1989, the average strontium isotope ratio for rivers was estimated to be ~0.712. See Palmer, M. R. and J. M. Edmond. 1989. The …Web

Multiple isotope systematics incorporating paired carbon isotopes (δ 13 C and ∆ 14 C), strontium isotopes (87 Sr/ 86 Sr) and water isotopes (δ 2 H and δ 18 O) are used to investigate the coherent relationships among flow paths, chemical weathering regimes, and Sr export fluxes from the Lower Mississippi River. Monthly water samples …Web

Therefore, the strontium isotope ratios in river water should originate from the isotopic values of Sr-bearing minerals in the basin rather than the whole rock types. However, due to lack of isotopic data for regional carbonates and sample sites near carbonate outcrop, the Sr-bearing minerals of regional carbonates was not clear. ...Web

Introduction. Over the last two decades strontium isotope (87 Sr/ 86 Sr) data have made an increasingly important contribution to research projects seeking to better understanding the Quaternary history of the Nile basin.As far as the fluvial record is concerned, it has often been stated that the Nile is well suited to such studies because …Web

Strontium isotopic compositions of unfarmed heathland samples show much higher 87 Sr/ 86 Sr ratios, and so are not influenced by carbonates, suggesting that the limestone 87 Sr/ 86 Sr signature seen in …Web

Much attention has been paid to Sr isotopes. Strontium (Sr), the most abundant trace element in rocks, soil, water, and organisms, is an alkaline earth metal …Web

At the lower reaches of the Yellow River, animal remains from the Dinggong site were subjected to strontium isotope analysis to detect their potential provenances (Wu et al., 2018). The data indicated that the …Web

The time evolution of the isotopic composition of seawater strontium (the ratio of strontium-87 to strontium-86) over the last 500 million years has the form of an asymmetric trough. ... WADLEIGH, M.A., STRONTIUM AND ITS ISOTOPES IN CANADIAN RIVERS - FLUXES AND GLOBAL IMPLICATIONS, GEOCHIMICA ET COSMOCHIMICA …Web

To improve our knowledge of the migration pathway of a highly threatened fish species along the Mekong River, strontium isotope ratios (87 Sr/ 86 Sr) and 18 trace element concentrations were ...Web

The strontium isotope ratio (87 Sr/ 86 Sr) has been widely used to trace the migration of ancient humans through bones and teeth, which recorded their bioavailable Sr from the environment. However ...Web

Radiogenic and "stable" strontium isotopes in provenance studies: A review and first results on archaeological wood from shipwrecks ... A geostatistical framework for predicting variations in strontium concentrations and isotope ratios in Alaskan rivers. Chem. Geol. (2014) A.J. Beck et al. Dissolved strontium in the …Web

Provenancing biological materials using strontium isotope ratios requires a map of bioavailable strontium, commonly known as an isoscape, to compare results with. ... 2017), non-local strontium ratios carried in river and stream waters (Sillen et al., 1998), and airborne and atmospheric inputs such as aeolian dust, volcanic ash, rainfall, and ...Web

Strontium isotope identification of water mixing and recharge sources in a river system (Oder River, central Europe): A quantitative approach - Zieliński - 2018 - Hydrological …Web

Establishing strontium isotope (87Sr/86Sr) geographical variability is a key component of any study that seeks to utilize strontium isotopes as tracers of provenance or mobility. Although lithological maps can provide a guideline, estimations of bioavailable 87Sr/86Sr are often necessary, both in qualitative estimates of local strontium isotope …Web

Strontium has four isotopes: 88 Sr, 87 Sr, 86 Sr and 84 Sr, and a number of short-lived nuclides (Faure and Powell, 1972).The isotopic composition of strontium is not constant but depends largely on the radiogenic generation of 87 Sr from 87 Rb with time. The most commonly used parameter of characterizing isotopic strontium is the 87 Sr/ 86 Sr ratio …Web

Inputs to the model are national rainfall precipitation isoscapes, a digital elevation layer, a national river water isotope monitoring dataset (3 years of monthly sampling at 58 sites), and river ...Web

The stable strontium isotope ratios (δ88Sr) provide a new tool to identify chemical weathering reactions in terrestrial water.Web

The strontium isotope ratio of the Arges River, which drains the Southern Carpathians, is therefore, higher: ca. 0.710 (Zitek et al., 2015). In summary, the strontium isotope ratio of the local fresh-water sources draining into the late Miocene Dacian Basin is considered relatively stable around 0.7091 (Zitek et al., 2015).Web

This study presents new information about the factors controlling the distribution of radiogenic strontium isotopes in river sediments. We show that the Sr …Web

1 EditorialBuilding from a session we chaired at the 2019 International Union for Quaternary Research Congress in Dublin, this research topic explores advances and new applications in strontium isotope research across palaeoecology, archaeology, and allied fields. These contributions encompass the range of current research, the latest …Web

@article{Zieliski2017TheSI, title={The strontium isotope budget of the Warta River (Poland): Between silicate and carbonate weathering, and anthropogenic pressure}, author={Mateusz Zieliński and Jolanta Dopieralska and Zdzislaw Belka and Aleksandra Walczak and Marcin Siepak and Michał Jakubowicz}, journal={Applied Geochemistry}, …Web

Strontium (Sr), neodymium (Nd), and hafnium (Hf) isotopic analyses of different size-fractions of sediments collected from the Heihe River in the North Qilian Orogen (NQO) were carried out to ...Web

The Sr isotopic composition of rivers and groundwaters in the Bengal Plain is a major contributor to the global oceanic Sr inventory. The stable strontium isotope ratios (δ 88 Sr) provide a new tool to identify chemical weathering reactions in terrestrial water.

The chapter gives an overview of properties and application of stable and radioactive isotopes of strontium. Natural strontium consists of the following four stable isotopes: 84 Sr (0.56%), 86 Sr (9.86%), 87 Sr (7.00%), and 88 Sr (82.58%). Among them, 87 Sr is a radiogenic isotope being the decay product of the long-lived natural beta …Web

In the mixing zone of the Mississippi River (MR), the seventh largest river in the world with respect to both water and suspended sediment discharges (Meade, 1996), …Web