Special Issue "Application of Stable Isotopes and Tritium in Hydrology"

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrology".

Deadline for manuscript submissions: 24 May 2020.

Special Issue Editors

Dr. Ines Krajcar Bronić
E-Mail Website
Guest Editor
Laboratory for Low-level Radioactivities, Division of Experimental Physics, Institute Ruđer Bošković, 10000 Zagreb, Croatia
Interests: radiocarbon; radiocarbon dating; tritium; stable isotopes in water; archaeology; ecology; environmental monitoring; LSC measurement techniques; biogenic component in fuels; carbonaceous sediments; radiation protection; palaeoclimatology; karst geochronology
Dr. Jadranka Barešić
E-Mail Website
Guest Editor
Laboratory for Low-level Radioactivities, Division of Experimental Physics, Institute Ruđer Bošković, 10000 Zagreb, Croatia
Interests: radiocarbon; tritium; stable isotopes; radiocarbon dating; marine reservoir effect; hydrology; environmental monitoring; ecology; karst geochronology; AMS-14C technique

Special Issue Information

Dear Colleagues,

Studies of groundwater recharge and infiltration conditions, the mechanisms of mass transfer, and mixing of waters with different compositions and ages are among the basic problems of geology and hydrogeology. Isotope hydrology techniques have proved to be effective tools for solving many critical hydrological problems and processes, and they can provide information that could not be obtained by any other conventional means. Isotopes of hydrogen (3H, 2H) and oxygen (18O) are perfect candidates for groundwater tracers because they are constituent elements of the water molecule. Knowledge on the isotopic composition (δ18O, δ2H and 3H activity) in surface and groundwater has found wide applications in hydrology, such as determination of mean residence time of water in aquifers, the determination of recharge areas, mixing of surface and groundwater, the interconnections between aquifers, and the origin of groundwater. Contributions related to other isotopes (e.g., 15N, 34S, and many others), conceptual model development, water resources management on a local to regional scale, as well as papers on water isotopes applied in palaeoclimatic and palaeoenvironmental studies are highly welcome.

Dr. Ines Krajcar Bronić
Dr. Jadranka Barešić
Guest Editors

Manuscript Submission Information

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Keywords

  • isotope hydrology
  • water stable isotopes
  • Tritium
  • precipitation
  • groundwater
  • surface water
  • drip water
  • karst hydrology
  • anthropogenic releases
  • groundwater age
  • vulnerability of water resources and risks

Published Papers (2 papers)

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Research

Open AccessArticle
Analysis of the Spatial Distribution of Stable Oxygen and Hydrogen Isotopes in Precipitation across the Iberian Peninsula
Water 2020, 12(2), 481; https://doi.org/10.3390/w12020481 - 11 Feb 2020
Cited by 1
Abstract
The isotopic composition of precipitation provides insight into the origin of water vapor, and the conditions attained during condensation and precipitation. Thus, the spatial variation of oxygen and hydrogen stable isotope composition (δp) and d-excess of precipitation was explored across [...] Read more.
The isotopic composition of precipitation provides insight into the origin of water vapor, and the conditions attained during condensation and precipitation. Thus, the spatial variation of oxygen and hydrogen stable isotope composition (δp) and d-excess of precipitation was explored across the Iberian Peninsula for October 2002–September 2003 with 24 monitoring stations of the Global Network of Isotopes in Precipitation (GNIP), and for October 2004–June 2006, in which 13 GNIP stations were merged with 21 monitoring stations from a regional network in NW Iberia. Spatial autocorrelation structure of monthly and amount weighted seasonal/annual mean δp values was modelled, and two isoscapes were derived for stable oxygen and hydrogen isotopes in precipitation with regression kriging. Only using the GNIP sampling network, no spatial autocorrelation structure of δp could have been determined due to the scarcity of the network. However, in the case of the merged GNIP and NW dataset, for δp a spatial sampling range of ~450 km in planar distance (corresponding to ~340 km in geodetic distance) was determined. The range of δp, which also broadly corresponds to the range of the d-excess, probably refers to the spatially variable moisture contribution of the western, Atlantic-dominated, and eastern, Mediterranean-dominated domain of the Iberian Peninsula. The estimation error of the presented Iberian precipitation isoscapes, both for oxygen and hydrogen, is smaller than the ones that were reported for the regional subset of one of the most widely used global model, suggesting that the current regional model provides a higher predictive power. Full article
(This article belongs to the Special Issue Application of Stable Isotopes and Tritium in Hydrology)
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Open AccessArticle
Effects of Farming Activities on the Temporal and Spatial Changes of Hydrogen and Oxygen Isotopes Present in Groundwater in the Hani Rice Terraces, Southwest China
Water 2020, 12(1), 265; https://doi.org/10.3390/w12010265 - 17 Jan 2020
Abstract
Landform changes caused by human activities can directly affect the recharge of groundwater, and are reflected in the temporal and spatial changes in groundwater stable isotope composition. These changes are particularly evident in high-intensity farming areas. In this study, we tested and analyzed [...] Read more.
Landform changes caused by human activities can directly affect the recharge of groundwater, and are reflected in the temporal and spatial changes in groundwater stable isotope composition. These changes are particularly evident in high-intensity farming areas. In this study, we tested and analyzed groundwater stable isotope samples at different elevations of rice terraces in a typical agricultural watershed of the Hani Terraces, a World Heritage Cultural Landscape in southwest China. Thus, we determined the characteristic variations and factors that influence the temporal and spatial effects on groundwater stable isotopes in the Hani Terraces, which are under the influence of high-intensity farming activities. The elevation gradients of δ18O and δ2H in groundwater are significantly increased due to farming activities. The values were 0.88‰ (100 m)−1 and −4.5‰ (100 m)−1, respectively, and they changed with time. The groundwater circulation cycle is approximately three months. We also used the special temporal and spatial variation characteristics of the groundwater isotopes as a way to evaluate the source and periodic changes of groundwater recharge. In addition, high-intensity rice farming activities, such as ploughing every year from October to January can increase the supply of terraced water to groundwater, thus ensuring the sustainability of rice cultivation in the terraces during the dry season. This demonstrates the role of human wisdom in the sustainable and benign transformation of surface cover and the regulation of groundwater circulation. Full article
(This article belongs to the Special Issue Application of Stable Isotopes and Tritium in Hydrology)
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