Since the dam's completion, however, this flood cycle has been interrupted.

The drain cycle is a reverse of the flood cycle.

Hydroelectric dams and mega-canal projects are becoming the new standard for countries like Egypt that can no longer depend on rainfall or natural flood cycles.

The depletion of groundwater aquifers, which is caused by the suppression of the seasonal flood cycle, is damaging the forests downstream of the dam.

The three stages of the Egyptian flood cycle were Akhet, the time of the season of emergence, and She mu, the season of drought.

The flood cycle was so consistent that the Egyptians timed its onset using the heliacal rising of Sirius, the key astronomical event used to set their sidereal calendar.

Interrupting natural flood cycles to which fish have adapted over thousands of years.

Al-Maqrīzī describes the Sphinx as the "talisman of the Nile" on which the locals believed the flood cycle depended.

For more than 200 km downstream the annual flood cycle dominates the natural environment and human life, society and culture.

This work will ensure that the washlands fill and empty at the appropriate points in a flood cycle.