Presently, if you have more than 1 survey, in order to refarm the zone you need to ride away to a random distance and come back for the nodes to respawn. The distance is completely different depending on where the node is, sometimes you don't need to travel far, sometimes you need to travel very far away.
The best QoL surveys could get would be for the survey to direct us to a place that has 1 giant node that your character can strike 6 times (12 without CP passive) that if you have 2 surveys, you get to strike it 12 times, and so on.
This way, you won't need to keep running away and back again, which is probably the most tedious part of survey farming.