Scholars estimate that the 133-meter- high Shihmen Dam has an actual depth of water today of less than 40 meters, and the effective storage capacity above the dam's outlet is less than half its original size.
學界估計，壩高一百三十三公呎的石門，如今水深已不到四十公呎，出水口以上的所謂「有效蓄水量」剩不到二分之一。