If the pressure alters as the water tank empties, a discontinuity occurs in the trace when the tank is refilled, and a fictitious element may be introduced into the diurnal variation.
This stream empties into the Humboldt lake, the overflow from which goes into the so-called Carson Sink.
Of these the Sungari, which is the largest, rises on the northern slopes of the Chang pai Shan range, and runs in a north-westerly direction to its junction with the Nonni, from which point it turns north-east until it empties itself into the Amur.
Enters Manchuria in about 43° N., and turning southward empties itself into the Gulf of Liao-tung.
In length but is sometimes as much as 15 or 20 ft., and as its valve-stem projects downwards beyond the bottom, it empties itself when rested upon the bottom of the waste-trough.