The phrase "which is disturbing" is correct and can be used in written English.
You can use it in a context where something is causing someone to feel bothered, surprised, or alarmed. For example, "The news of increasing numbers of coronavirus cases, which is disturbing, has caused alarm in the local community."
He also keeps encountering a sly fox who wants to eat him, which is disturbing.
The status of the various spent fuel stashes is not clear, which is disturbing.
And on tonight's episode he essentially seems to admit to juicing, which is disturbing.
But for the most part the heads are faceless, which is disturbing.
Professor Slingo said other factors may also be affecting the weather, such as the current in the tropical Pacific Ocean, called La Nina, which is disturbing the jetstream over the north Pacific and North America.
But sparks of animosity are more insidious, and it doesn't take long for domestic violence to erupt, which is disturbing given Mr. Stromgren's trite program note: "Leisure time is not good for certain types of relationships".
I like that beautiful harmony which is disturbed by those eyes, the sensuality of the mouth, those hollow cheeks and that very long neck.
To their surprise, the researchers at the University of Chicago and the University of Texas Health Science Center at Houston found the gene is one not known to have anything to do with sugar metabolism, which is disturbed in diabetes.
Based on our results, it may be claimed that normal gait has chaotic nature which is disturbed in PD state.
It can effectively realize the giant magnetostrictive actuator which is disturbed by external force continuously keeping outputting a constant force through adjusting the working current.
In this paper, a constant output force control system for giant magnetostrictive actuator which is disturbed by external force continuously was developed.
