Isotopic composition (δ<sup>18</sup>O and δd) of the shallow groundwater in the Poyang Lake basin

Abstract

The article is focused on the identification of evaporation and other natural processes which affect the isotopic composition of shallow groundwater in the Poyang Lake basin, such as water-rock interaction and mixing of the shallow groundwater and surface water. For this purpose the dual isotope approach (δD-H₂O and δ¹⁸O-H₂O) was used. The samples were collected from domestic wells around the Poyang Lake. The value of δD obtained for the shallow groundwater ranges from -21.5 to -42.6^°/_°°. The δ¹⁸O value varies from -3.5 to -7.1^°/_°°. It was found that the shallow groundwater of the Poyang Lake catchment is of meteoric origin. The influence of evaporation on the isotopic composition of shallow groundwater is negligible and observed mainly during the dry season. The deviation from the local meteoric water line, especially during the rainy season, may be explained by the processes in the water-rock system, but this issue is required further research.

Original language	English
Article number	012011
Journal	IOP Conference Series: Earth and Environmental Science
Volume	33
Issue number	1
DOIs	https://doi.org/10.1088/1755-1315/33/1/012011
Publication status	Published - 15 Apr 2016
Event	International Conference on Modern Problems of Hydrogeology, Geology Engineering and Hydrogeoecology of Eurasia, SPGE 2015 - Tomsk, Russian Federation Duration: 23 Nov 2015 → 27 Nov 2015

ASJC Scopus subject areas

Environmental Science(all)
Earth and Planetary Sciences(all)

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@article{2831a219845040b0aa024690a65f3152,

title = "Isotopic composition (δ18O and δd) of the shallow groundwater in the Poyang Lake basin",

abstract = "The article is focused on the identification of evaporation and other natural processes which affect the isotopic composition of shallow groundwater in the Poyang Lake basin, such as water-rock interaction and mixing of the shallow groundwater and surface water. For this purpose the dual isotope approach (δD-H2O and δ18O-H2O) was used. The samples were collected from domestic wells around the Poyang Lake. The value of δD obtained for the shallow groundwater ranges from -21.5 to -42.6°/°°. The δ18O value varies from -3.5 to -7.1°/°°. It was found that the shallow groundwater of the Poyang Lake catchment is of meteoric origin. The influence of evaporation on the isotopic composition of shallow groundwater is negligible and observed mainly during the dry season. The deviation from the local meteoric water line, especially during the rainy season, may be explained by the processes in the water-rock system, but this issue is required further research.",

author = "Soldatova, {E. A.} and Z. Sun and Guseva, {N. V.}",

year = "2016",

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doi = "10.1088/1755-1315/33/1/012011",

language = "English",

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journal = "IOP Conference Series: Earth and Environmental Science",

issn = "1755-1307",

publisher = "IOP Publishing Ltd.",

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note = "International Conference on Modern Problems of Hydrogeology, Geology Engineering and Hydrogeoecology of Eurasia, SPGE 2015 ; Conference date: 23-11-2015 Through 27-11-2015",

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TY - JOUR

T1 - Isotopic composition (δ18O and δd) of the shallow groundwater in the Poyang Lake basin

AU - Soldatova, E. A.

AU - Sun, Z.

AU - Guseva, N. V.

PY - 2016/4/15

Y1 - 2016/4/15

N2 - The article is focused on the identification of evaporation and other natural processes which affect the isotopic composition of shallow groundwater in the Poyang Lake basin, such as water-rock interaction and mixing of the shallow groundwater and surface water. For this purpose the dual isotope approach (δD-H2O and δ18O-H2O) was used. The samples were collected from domestic wells around the Poyang Lake. The value of δD obtained for the shallow groundwater ranges from -21.5 to -42.6°/°°. The δ18O value varies from -3.5 to -7.1°/°°. It was found that the shallow groundwater of the Poyang Lake catchment is of meteoric origin. The influence of evaporation on the isotopic composition of shallow groundwater is negligible and observed mainly during the dry season. The deviation from the local meteoric water line, especially during the rainy season, may be explained by the processes in the water-rock system, but this issue is required further research.

AB - The article is focused on the identification of evaporation and other natural processes which affect the isotopic composition of shallow groundwater in the Poyang Lake basin, such as water-rock interaction and mixing of the shallow groundwater and surface water. For this purpose the dual isotope approach (δD-H2O and δ18O-H2O) was used. The samples were collected from domestic wells around the Poyang Lake. The value of δD obtained for the shallow groundwater ranges from -21.5 to -42.6°/°°. The δ18O value varies from -3.5 to -7.1°/°°. It was found that the shallow groundwater of the Poyang Lake catchment is of meteoric origin. The influence of evaporation on the isotopic composition of shallow groundwater is negligible and observed mainly during the dry season. The deviation from the local meteoric water line, especially during the rainy season, may be explained by the processes in the water-rock system, but this issue is required further research.

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Y2 - 23 November 2015 through 27 November 2015

ER -

Isotopic composition (δ¹⁸O and δd) of the shallow groundwater in the Poyang Lake basin

Abstract

ASJC Scopus subject areas

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