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Table 1 Temperature vs. depth equations at gauged well locations by regression analysis

From: Assessment of subsurface temperature distribution from the gauged wells of Puga Valley, Ladakh

Well number

Distribution function T(z)

R 2

PGW 20

40.24 + 0.11 z

0.87

PGW 18

6.99 + 1.46 z

0.87

PGW 1

19.53 + 2.08 z

0.98

PGW 6

\( \frac{a + bz}{{1 + cz + dz^{2} }} \)

a = 24.26; b = 13.71; c = 0.121; d = 0.001

0.94

PGW 3

48.5 + 1.49 z

0.89

PGW 15

3.28 + 1.15 z

0.86

PDGW

45.69 + 1.14 z

0.92

Natural geothermal gradient

10.3 + 0.20 z

0.98

  1. Temperature field is in °C; z is the depth from surface in m