The picture below is a flood gauge that is used to measure how far (in feet) a river's water
level is above or below its normal level.
Describe what the picture
indicates about the river's
current water level.
0.5
0
0.8
-1.0
-1.91
1.5
1.0
What number represents the
opposite of the water level
shown in the picture and where is it located on the
gauge? What would it mean if the river water was
at that level?