depth(m) temp(C
25 5.50
50 5.20
75 5.10
100 5.10
125 5.30
150 5.50
175 5.75
200 6.00
225 6.25
250 6.50
275 6.75
300 7.00
Table 1.18 gives the average temperature, T, at a depth d, in a borehole in Belleterre, Quebec.13 Evaluate ΔT/Δd on the the following intervals, and explain what your answers tell you about borehole temperature.
A25 ≤ d ≤ 150
B25 ≤ d ≤ 75
C100 ≤ d ≤ 200
25 5.50
50 5.20
75 5.10
100 5.10
125 5.30
150 5.50
175 5.75
200 6.00
225 6.25
250 6.50
275 6.75
300 7.00
Table 1.18 gives the average temperature, T, at a depth d, in a borehole in Belleterre, Quebec.13 Evaluate ΔT/Δd on the the following intervals, and explain what your answers tell you about borehole temperature.
A25 ≤ d ≤ 150
B25 ≤ d ≤ 75
C100 ≤ d ≤ 200
