Ancient Egypt: Difference between revisions

VisualWikitext

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 *** see Google Earth coordinates for Blue Nile source region >> todo
 ==== Nile Flooding ====
-[[File:Assuan Elephantine Nilometer 14.JPG|thumb|right|Nilometer on Elephantine Island, used to measure the Nile River's coming flood levels]]
 ** length of river = long, slow flooding season in Egypt
 ** the Nile floods slowly:
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 **** stays high September
 **** slowly recedes in October
-* Ancient Egyptians measured coming floods using "Nileometers"
-** structures that were placed in the Upper Nile river to measure its height
-** and thus measured the coming floods
-*** if the measurements were high = disastrous flooding
-*** if low = disastrously low crop production
-** priests used the measurements to make predictions, thus a source of their power
-** Nileometers were used by the ancient Egyptians all the way through to the 20th century building of the Aswan Dam, which collects the flood waters and releases them as needed
 ==== characteristics of the Nile flooding ====
 * Nile floods = predictable