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Table 1 Parameters used for each geological unit (C: Cenozoic, M: Muschelkalk, BS: Buntsandstein, Z: Zechstein, R: Rotliegend, B: Basement) to calculate the HIP

From: How temperatures derived from fluid flow and heat transport models impact predictions of deep geothermal potentials: the “heat in place” method applied to Hesse (Germany)

Unit

Rock

Fluid

Effective porosity

Density

Specific heat capacity

Specific heat capacity

Salinity

Density

\(\varphi\) [–]

Ref.

\(\rho _{\text{m}}\) [kg m−3]

Ref.

\({c}_{\text{p},\text{m},T_{20}}\) [J/(kg*K)-1]

Ref.

\({c}_{\text{p},\text{f}}\) [J/(kg*K)-1]

Ref.

S [g \(\text {l}^{-1}\)]

Ref.

\(\rho_{\text{f},T_{20}}\) [kg \(\text {m}^{-3}\)]

Ref.

C

0.14

1

2680

1

810

1

3925

1

60

1

1040

7

M

0.04

3

2502

9

675

8

3925

1

75

5

1060

7

BS

0.14

2

2650

2

705

3

3925

1

100

5

1070

7

Z

0.12

3

2365

9

796

8

3925

1

110

10

1080

7

R

0.09

3

2730

4

758

3

3925

1

130

6

1120

7

B

0.04

1

2719

1

695

1

3925

1

150

 

1115

7

  1. References: 1: Bär et al. (2021), 2: Vogel (2020), 3: Bär (2012), 4: Aretz et al. (2016, 2015) , 5: Stober and Bucher (2015b), 6: Hoth et al. (1997), 7: Sharqawy et al. (2010), 8: Bär et al. (2013), 9: Bär and Sass (2014) and 10: Kastner et al. (2015)