They kept a record of it and depended on the flooding.
They did not, it was natural. The River Nile flooded every year between June and September, in a season the Egyptians called akhet - the inundation
The egyptians blocked the River Nile so the banks would flood, providing fertile land for farming.In addition the dams are a source of hydroelectricity.
They did not, it was natural. The River Nile flooded every year between June and September, in a season the Egyptians called akhet - the inundation
it would flood and give the crops nutrients
They needed to predict when the Nile river would flood
They needed to predict when the Nile river would flood
They needed to predict when the Nile river would flood
The Nile's flooding wasn't constant. Sometimes it would flood too much, other times it would flood too little. The Egyptians were taxed based on the flood levels.
The Nile River floods annually, bringing fresh fertilizer to the crops. The floods can not be controlled and would occasionally destroy crops, drown homes, and or overflow the banks to heavily.
The Amazon river floods every year from around february to June.
Every spring all the ice and snow on the mountains would melt, washing nutrient rich soil down the Nile to the low lands in Egypt. When the massive flood subsided they would plant their crops and use the Nile to water them.
Because the torrent of water would carry sediment, as does any flood, and this would be deposited when the Nile overflowed its banks.