If you jumped it your hunt would be over all at once, I would have let the birds leave on their own got set up and waited for their return in small groups ( you hope)
That is what has worked best for me over the years.
We do this a lot even on gigantic water , sometimes we just get in the boat and start crusing the river looking for a big wad of birds, gently let them go from the boat disturbance and then get set up quickly.
Here is a picture from a day when that type of hunting worked well.
