Geoscience Reference
In-Depth Information
Plate 8.4
Valley fog beginning to clear by evaporation and warming on a December morning. The frost on the grass in the
foreground indicates the level of nocturnal cooling. Cold air will have drifted downslope and accumulated in the centre of the
valley where it became sufficiently cold for saturation to be reached.
Photo: Peter Smithson
Section from NNE
to middle
Section from the middle
towards WSW
150 m
-1.8
Calm
-1.8
-1.7
Light NNE
-1.9
Calm
100
-1.9
+2.3
Light NNE
-1.8
+2.3
Light NNW
-1.1
-3.7
Quickly
fluctuating S W N
-1.1
-9.4
50
Height of the
saddle
towards
Lechnergraben
-12.4
-15.6
Figure 8.13
Gestettneralm sinkhole near
Lunz, Austria, 21 January
1930.
Source: After Schmidt (1930)
-18.4
-19.1
-21.9
-20.5
-25.4
-25.2
Altitude 1270m
-28.8
