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Table 3 Quantities of environmental parameters (in μGal) determined for the three gravity stations at Þeistareykir; including minima, maxima and standard deviations for global gravity contributions, soil water content variations, snow water equivalent and vertical surface displacement

From: Environmental and anthropogenic gravity contributions at the Þeistareykir geothermal field, North Iceland

Environmental parameters

Station

Min

Max

SD

Global atmosphere

Entire area

−1.76

2.60

0.63

Global hydrology

Entire area

−0.71

1.49

0.55

Nontidal ocean loading

Entire area

−1.35

1.39

0.37

Total global effect

Entire area

−1.62

3.45

0.91

Soil water content variation

SCGW

−1.60

2.05

0.58

SCGC

−2.07

2.27

0.69

SCGE

−1.97

2.21

0.66

Snow water equivalent

SCGW

0.00

1.87

0.47

SCGC

0.00

11.07

1.85

SCGE

0.00

8.52

1.25

Vertical surface displacement

SCGW

0.00

10.92

3.26

SCGC

0.00

1.51

0.45

SCGE

0.00

0.28

0.08