Recharge and spatial distribution of groundwater hydrochemistry in the Geum River basin, South Korea

被引：4

作者：

Choi, Hanna ^{[1
]}

Lee, Chung-Mo ^{[1
]}

Koh, Dong Chan ^{[1
]}

Yoon, Yoon Yeol ^{[1
]}

机构：

[1] Korea Inst Geosci & Mineral Resources, Geol Environm Div, 124 Gwahang No, Daejeon 34132, South Korea

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 330卷 / 02期

关键词：

H-3; Cl; Geum river basin; Large-scale water supply; NO3-N; COASTAL AQUIFERS; NITRATE; WATERS; SALINIZATION; CHLORIDE; TRITIUM;

D O I：

10.1007/s10967-021-07807-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Groundwater in the Geum River basin is a major agricultural and domestic water resource. In the present study, we collected 128 groundwater samples from four candidate regions (KS, KJ, NS, and BO) for hydrochemical analyses to identify large-scale groundwater distribution. Only 5.5% of samples showed natural background levels of NO3-N and Cl, whereas about 65% of samples reflected the influence of external pollutants according to drinking water standards. Levels of tritium (H-3) in groundwater in the BO region indicated rapid recharge over a uniform time span (2.88 +/- 0.43 TU). The hydrochemical properties of water samples collected in this study suggest a sustainable water supply in the Geum River basin.

引用

页码：397 / 412

页数：16

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