Journal of Geographical Sciences, Volume. 30, Issue 6, 935(2020)
Using water isotopes and hydrogeochemical evidences to characterize groundwater age and recharge rate in the Zhangjiakou area, North China
Figures & Tables(10)
Fig. 2. Scatter of plot represented the EC-TDS relationship for all water samples in the Zhangjiakou area
Fig. 3. Triangle diagrams showing cation composition (a) and anion composition (b) of the surface water from the Zhangjiakou area
Fig. 4. Triangle diagrams showing cation composition (a) and anion composition (b) of the groundwater from the Zhangjiakou area
Fig. 5. Relationship between δD and δ18O of precipitation in the Zhangjiakou area. For comparison the Global Meteoric Water Line (GMWL) is presented.
Fig. 6. The δD and δ18O distributions of groundwater samples along with surface water samples in Zhangjiakou area
Fig. 7. Variation of3H concentrations with sampling depths in different river basins
Fig. 8. The relationship between groundwater residence times calculated from the3H concentrations using the exponential piston flow model with depth in the Zhangjiakou area. The lower line with arrow indicates Yanghe river basin and Qingshui river basin, the upper line with arrow indicates Zhangbei and Sanggan river basin.
Table 1.
Hydrochemical parameters of water samples in the Zhangjiakou area
View tableView in ArticleTable 1.
Hydrochemical parameters of water samples in the Zhangjiakou area
Site Sampling Water typea Well depth (m) pH EC (us.cm-1) TDS (mg·L-1) δD (‰) δ18O (‰) d-excess (‰) Zhangbei G n=6, S n=3 GJL G 45 7.41 1014.3 595 -81.80 -11.9 13.8 ZBM G 23 7.37 1800.7 1078.8 -76.28 -11.2 13.1 AGL2 S / 7.43 1134.3 625.5 -73.02 -11.0 15.0 Sanggan river basin G n=9, S n=3 DTW G 181 8.16 816.0 463.2 -94.84 -13.4 12.7 QJSW G 70 8.07 2398.0 1331.5 -93.06 -13.1 11.5 HSY G 41 8.15 394.8 219.6 -81.24 -11.8 12.8 SGH S / 8.16 1019.0 578.0 -73.64 -10.5 10.0 Qingshui river basin G n=18, S n=6 CJ G 80 7.41 483.0 281.3 -88.33 -13.4 18.9 DXZ G 111 7.52 817.7 482.8 -77.84 -11.2 11.7 ST G 120 7.42 1002.3 580 -79.74 -11.9 15.1 QZRL G 90 7.23 1465.7 835 -77.28 -11.6 15.2 GS G 8.55 7.28 658.0 386.7 -80.64 -12.0 15.2 GJY G 70 7.14 693.0 417.2 -83.30 -12.5 16.4 CH S / 7.74 328.7 191.0 -83.69 -11.9 11.5 H1 S / 8.40 471.3 292.0 -73.82 -10.3 8.9 Yanghe river basin G n=21, S n=15 CG G 140 7.89 353.6 198.7 -74.91 -10.8 11.7 DL G 60 7.75 904.7 531.2 -67.97 -9.7 9.6 Y1Z G 103 7.68 585.0 348.2 -74.20 -10.9 12.9 Y2Z G 40 7.75 782.0 460.2 -69.15 -10.0 10.6 XH G 60 8.05 556.0 325.5 -78.33 -11.5 13.7 XHY G 150 7.90 862.4 462.0 -72.60 -10.5 11.6 NG G 100 7.86 761.3 461.5 -76.64 -11.2 13.1 YH S / 8.22 738.3 433.7 -69.48 -9.8 9.0 YX S / 8.20 993.0 606.2 -67.54 -9.3 7.1 YHZ1 S / 8.02 902.7 530.5 -63.83 -8.7 5.6 YHZ2 S / 8.27 710.3 424.5 -71.80 -10.0 8.3 GT S / 8.15 1007.0 609.5 -66.70 -9.2 6.9
Table 2.
The precipitation of δD and δ18O values in 2018 and 2019 in the Zhangjiakou area
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The precipitation of δD and δ18O values in 2018 and 2019 in the Zhangjiakou area
Seasons δD (‰) δ18O (‰) Min Max Mean Min Max Mean Spring (March to May) -89.207 22.058 -41.625 -13.697 -0.479 -7.466 Summer (June to August) -137.578 -9.806 -63.830 -19.120 -1.381 -10.074 Autumn (September to November) -140.370 -30.687 -89.519 -20.393 -5.444 -14.149 Winter (December to February) -124.621 -86.121 -107.781 -18.110 -14.230 -16.251
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Qinghua ZHANG, Zhuanxi LUO, Wen LU, Zepp HARALD, Yufeng ZHAO, Jialiang TANG. Using water isotopes and hydrogeochemical evidences to characterize groundwater age and recharge rate in the Zhangjiakou area, North China[J]. Journal of Geographical Sciences, 2020, 30(6): 935
Paper Information
Received: Sep. 20, 2019
Accepted: Mar. 5, 2020
Published Online: Sep. 30, 2020
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