Cements, Waters, and Scales: An Integrated Study of the Szeged Geothermal Systems (SE Hungary) to Characterize Natural Environmental Conditions of the Thermal Aquifer
Table 3
Temporal changes of selected hydrochemical parameters in the geothermal system of Újszeged district (well B–748).
Date
Water yield (m3/h)
Temperature (°C)
pH
TDS (mg/l)
HCO3− (mg/l)
Ca2+ (mg/l)
LSI
RSI
19.10.2017
5
34.6
7.75
4272
2501
6.66
0.10
7.55
20.10.2017
25
52.9
8.24
4100
3184
9.25
1.17
5.90
21.10.2017
35
74.5
8.43
4360
2251
8.32
1.53
5.38
22.10.2017
45
79.4
8.15
4340
2135
8.29
1.30
5.55
24.10.2017
55
71.7
8.43
4070
2147
8.02
1.45
5.54
26.10.2017
60
74.8
8.32
3980
2251
7.88
1.40
5.52
23.01.2018
62
91.4
8.21
3417
2561
6.90
1.56
5.09
01.03.2018
70
92.6
8.32
3405
2808
6.80
1.73
4.86
11.04.2018
54
91.6
8.32
3340
2697
6.00
1.64
5.03
Abbreviations: TDS = total dissolved solids; LSI = Langelier Stability Index; RSI = Ryznar Stability Index [41].
