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0243 Southern Tibet : vol.2
Southern Tibet : vol.2 / Page 243 (Color Image)

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doi: 10.20676/00000263
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DEPTH AND TEMPERATURE OF THE SACRED LAKE.   165

the comparative shallowness of the lake in this part, where the plain south of Pundi

very slowly continues under the surface of the lake. And still the depth at the

end point of the eastern one of these two lines, or 47m., is nearly the same as the

absolute maximum I found in Panggong-tso, a lake, that one would have expected

to be much deeper as situated like a grave between gigantic and very steep

mountains.

The two following tables may give an idea of the rate at which the tem-

perature of the water at the bottom sinks, together with the depth:

Number of sounding from shore at Camp 220.

I

II .

III .

IV    

V .    

VI .    

VI I

Depth in metres.

Temperature
at bottom.

Temperature
at surface.

Temperature
of air.

,.

3.8

I 3.4c

13.2°

13.3

6.9

12.5

13.1

13.o

I2.3

11.8

13.i

13.4

33.5

8.7

13.Z

14.3

38.6

8.2

13.2

13.7

41.5

8.0

13.I

14.4

47.°

7.8

13.2

1 2.;

Temperature   Temperature   Temperature

at bottom.   at surface.   of air.

`umber of sounding from shore at Camp 222.

Depth in metres.

I   .

7.0

II    

I 7.1

III    

23.o

IV    

26.9

V    

28.o

VI    

29.9

VII    

35_o

VIII    

39.6

Ix    

41.2

I 2.200

12.2°

11.3°

I0.8o

1 2.2

I 2.o

10.70

I2.z

12.5

I0.z5

I2.i

I2.6

I0.zo

I2.z

I2.9

9.95

I I.6

13.o

9.90

II.o

12.4

9.28

I I.2

13.6

9.22

I I.2

13.8

1;7

tl

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