Table 1. Thermal Conductivity (κ) of Water at Ambient and Extreme Conditions as Obtained from SAEMD Simulations Using the DP Potential^a.

Temperature (K)	Density (g/cm3)	Pressure (GPa)	κ (W/mK)	Δκ (W/mK)
300	1.00	10–4	0.81	0.14
1000	1.20	2.6	1.14	0.22
1000	1.57	8.6	1.72	0.27
1000	1.86	17.2	2.09	0.28
2000	1.00	2.9	0.79	0.08
2000	1.20	5.0	1.29	0.15
2000	1.57	12.4	2.23	0.23
2000	1.86	22.1	2.61	0.24

^aWe also report the standard deviation error Δκ.