Table T3. Summary of thermal gradients and heat flow.
Site
Water
depth
(m)
N To estimates
(N attempts)
R2 of line fit
to the data
Thermal
gradient
(°C/km)
Seafloor
intercept
(°C)
Apparent
standard
error of data
Average thermal
conductivity
(W/[m·K])
Heat flow
(mW/m2)
204-
1244 895 13 (13) 1 62 ± 1 3.9 ± 0.1 0.12 0.93 ± 0.07 58 ± 5
1245 871 9 (12) 1 54 ± 1 4.1 ± 0.2 0.22 0.98 ± 0.05 54 ± 4
1246 851 5 (5) 0.95 55 ± 7 4.8 ± 0.5 0.46 0.93 ± 0.07 51 ± 10
1247 830 5 (7) 1 53 ± 1 4.2 ± 0.1 0.08 0.96 ± 0.07 51 ± 5
1248 830 4 (6) 1 54 ± 1 4.2 ± 0.1 0.04 0.98 ± 0.07 53 ± 5
1249 780 8 (2) 0.98 59 ± 3 4.3 ± 0.3 0.18 0.93 ± 0.07 55 ± 7
1250 790 12 (13) 0.98 59 ± 2 4.0 ± 0.2 0.27 0.94 ± 0.07 55 ± 6
1251 1212 7 (9) 1 54 ± 1 4.0 ± 0.1 0.2 0.83/0.95 49 ± 5
1252 1040 5 (6) 1 57 ± 1 3.5 ± 0.1 0.07 0.84/0.93 49 ± 4

Notes: Table from Tréhu, this volume. N = number of measurements.