How could a region have a (semi-) permanent mist/fog?
As close to natural as possible but possible enhancements are an option like:
Technological : can both be chemical or mechanical but should make little to no noise and should work with limited resources.(limited to pre 1900ish era tech)
Mutations: For example mutated flora that could produce something
like this if (heavily) mutated.
- Open For suggestions really.
This mist/fog should be able to hide small nomadic groups( ~20 to 50). With hostile patrols/travelers rarely entering the area.
The environment: Mainly Bogs(And other wetlands)/forests(Spruce, Pine, Beech, Oak, Birch & Ash). Located close to a sea on the northern hemisphere with a colder (but not freezing) climate. Also no Volcanoes above or below ground.
Size of the area around 10,000 to 40,000 KM2 (but not everything would have to be covered at once)
To be clear it's about the (possible) origin of such an event, not the effects it would have on society :)
My first question here so any improvement suggestions are more then welcome :)