From Google translate
"A wadi is a valley or river that often only temporarily carries water after the winter snow melts (e.g. in the Atlas Mountains) or after heavy or prolonged rainfall."
I am trying to understand what you are saying with that quote, why would astronomical tables be talking about rivers?
"A wadi is a valley or river that often only temporarily carries water after the winter snow melts (e.g. in the Atlas Mountains) or after heavy or prolonged rainfall."
I am trying to understand what you are saying with that quote, why would astronomical tables be talking about rivers?

