What effect does the special environment of the ship have on the mood of the crew?

This is a big problem. There are two books about this, you can look them up.

One is edited by Professor Fang Quangen of Shanghai Maritime University.

One is about the mental health of seafarers, which seems to be the name. You can check it.

Mainly because the crew is relatively closed and open. Everyone has a limited number of contacts, and the impact of the marine environment, especially bad weather, work pressure, lack of communication, food impact, long-term work and long-term work. ...

This title is really too big, hehe.