Fig. 5
From: Lake volume variation in the endorheic basin of the Tibetan Plateau from 1989 to 2019
Schematic diagram showing how relative lake water volume can be calculated using a series of frustums. The volume between time t1 to t2 can be divided into a series of frustums (F1 to Fn) with a height of 1 m. For each frustum, its volume can be calculated with its top and bottom area using Eq. 6.
