Geoscience Reference
In-Depth Information
Table 1.
Isotopic characteristics of water samples in the study area.
δ 18 O
δ 18 O
δ D
d-excess
δ D
d-excess
( )
( )
( )
( )
( )
( )
Point
Type
i t
e
R1
R
7 . 84
65 . 9
3 . 18
R13
R
9 . 02
69
3.16
G1
GW
8 . 46
69 . 8
2 . 12
R14
R
8 . 78
64 . 6
5.64
S1
S
7 . 67
65 . 4
4 . 04
R15
R
8 . 65
68 . 2
1
R2
R
7 . 79
64 . 3
3 . 28
S16
S
9 . 8
70 . 1
8.3
R3
R
8 . 47
69 . 6
1 . 84
S17
S
10 . 1
69 . 6
11.2
G3
GW
8 . 96
70 . 1
1.58
S18
S
9 . 22
66 . 8
6.96
S4
S
8 . 64
71 . 2
2 . 08
R19
R
8 . 06
62
2.48
G4
GW
8 . 62
72 . 7
3 . 74
R20
R
8 . 3
62 . 2
4.2
R5
R
9 . 15
74 . 1
0 . 9
21
R 8 . 28
64 . 5
1.74
G5
GW
8 . 48
72 . 1
4 . 26
S22
S
9 . 34
68 . 9
5.82
R6
R
8 . 72
71 . 5
1 . 74
P1
Rain
8 . 79
72 . 5
2 . 18
R7
R
9 . 1
68 . 2
4.6
2
ain
8 . 84
75 . 5
4 . 78
R8
R
8 . 4
62 . 1
5.1
P3
Rain
9 . 57
77 . 1
0 . 54
R9
R
8 . 21
62 . 7
2.98
4
ain
10 . 51
82 . 4
1.68
G9
GW
8 . 6
61 . 4
7.4
P5
Rain
9 . 4
72 . 5
2.7
R10
R
7 . 77
62
0.16
P6
Rain
8 . 72
74 . 4
4 . 64
G10
GW
8 . 67
62
7.36
P7
Rain
8 . 63
71 . 8
2 . 76
S11
S
8 . 98
63 . 7
8.14
8
ain
9 . 01
75 . 2
3 . 12
S12
S
8 . 95
71 . 7
0 . 1
P9
ain
8 . 38
70 . 3
3 . 26
Note : GW: groundwater, R: river water, S: Spring water.
Relations between δ Dand δ 18 O in water samples of the Huaisha River Basin.
Fig. 2.
to
82 . 4 for δ D values in the study area. The precipitation samples plot-
ted to the right of the global meteoric water line (GMWL) of Craig 4 with the
isotopic composition of precipitation undergoing evaporation tends to fall
on lines of lower slopes (Fig. 2). The enriched isotopic values documented
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